Implement legal terms, Android client compatibility and more

.cursor/commands/security-audit.md

@@ -1,90 +1,51 @@
 # Security Audit Command
 
-Perform a comprehensive security audit of the FromChat application codebase.
+Perform a comprehensive security audit of the FromChat **Android application** only.
 
 ## Project Context
 
-**FromChat** is a 100% open source secure messaging application with:
+**FromChat Android** is a 100% open source secure messaging mobile application built with:
 
-- React/TypeScript frontend
-- Python FastAPI backend
-- Caddy reverse proxy with security headers
+- Kotlin Multiplatform (KMP) shared code
+- Jetpack Compose UI framework
+- End-to-End Encryption (NaCl, AES-GCM)
 - WebSocket support for real-time features
-- Electron support for desktop app
+- LiveKit integration for calls
+- Local database storage (SQLite)
+
+## Scope: Android Only
+
+**OUT OF SCOPE:**
+
+- Web backend (Python FastAPI, Caddy infrastructure)
+- React/TypeScript frontend
+
+**IN SCOPE:**
+
+- Android app code (`app/android`, `app/shared/src/androidMain`)
+- Shared cross-platform code (`app/shared/src/commonMain`)
+- Local encryption implementation (NaCl, AES-GCM)
+- Secure storage (Android Keystore, encrypted SharedPreferences)
+- WebSocket client security
+- Permission usage and handling
+- Call security (LiveKit integration)
+- Memory safety and injection attacks
+- Backend
 
 ## Important Design Decisions (NOT Vulnerabilities)
 
 When auditing, remember these are **intentional design choices**:
 
-1. **Public messages endpoint** - Open forum accessible without authentication (by design)
-  - The public chat is meant to be an open forum
-  - Private DMs are properly E2E encrypted and require authentication
-2. **Public user list** - All users visible in DMs tab (by design)
-  - Users can see all registered accounts
-  - This is intentional for a community-based chat app
-3. **XSS protection** - Multi-layer defense already implemented:
-  - React auto-escaping
-  - DOMPurify for sanitization
-  - Caddy CSP headers
-  - Do NOT flag localStorage key storage as critical (already well-protected)
-4. **File upload security** - Docker isolation in place:
-  - Server runs in Docker without executable flags
-  - Files cannot execute on server
-  - PIL re-encodes images
-  - Do NOT flag Content-Type validation as critical
-5. **CSRF protection** - Not needed:
-  - No cookies used
-  - JWT tokens in Authorization headers only
-  - CSRF attacks don't apply to this auth model
-6. **Beta domain CSP** - 'unsafe-inline' is required:
-  - Beta domain (beta.fromchat.ru) points to development machine
-  - Vite dev server requires 'unsafe-inline' to function
-  - Production domain has strict CSP
-7. **Security logging** - Already implemented:
-  - All events are logged including security-related activity
-  - Do NOT flag as missing
-8. **100% Open Source** - This is a security strength:
-  - Full transparency
-  - Community review capability
-  - No hidden backdoors
-
-## Android App
-
-**EXCLUDE from all audits** - Android app is not production-ready and out of scope.
-
-## Infrastructure (Caddy)
-
-The application runs behind Caddy reverse proxy with comprehensive security controls:
-
-### Key Infrastructure Protections
-
-- ✅ **HTTPS enforcement** - Automatic SSL/TLS with Caddy
-- ✅ **HSTS** - Strict-Transport-Security with preload
-- ✅ **CSP** - Content Security Policy (strict on production, 'unsafe-inline' for scripts on beta for Vite)
-- ✅ **Rate limiting** - 500 events/min (production), 1000 events/min (beta)
-- ✅ **X-Frame-Options: DENY** - Prevents clickjacking
-- ✅ **X-Content-Type-Options: nosniff** - Prevents MIME sniffing
-- ✅ **X-XSS-Protection: 1; mode=block** - XSS protection
-- ✅ **Permissions-Policy** - Restricts geolocation, allows camera/mic for calls
-
-**Important:** These protections are already in place at the infrastructure level. Don't flag missing security headers or rate limiting in the application code.
-
-## Audit Process
-
-1. **Read the Caddyfile first** to understand infrastructure protections
-2. **Check backend code** for authentication, authorization, input validation
-3. **Review frontend code** for XSS protections, crypto implementation
-4. **Verify E2E encryption** implementation (NaCl for DMs, AES-GCM for calls)
-5. **Test CORS configuration** in backend/app.py
-6. **Review password policies** in backend/validation.py
-7. **Check file upload handling** in backend/routes/messaging.py and profile.py
-
-## Rating Guidelines
-
-- **Infrastructure (Caddy):** Should be 9/10 or higher (excellent security headers)
-- **Cryptography:** Should be 8-9/10 (uses industry-standard libraries)
-- **Frontend Security:** Should be 7-8/10 (multi-layer XSS protection)
-- **Backend API:** Focus on CORS, password policies, rate limiting
+1. **Local message caching** - Messages downloaded and stored locally (by design)
+  - Messages are end-to-end encrypted at rest in local DB
+  - Public DMs are not encrypted (messages are public)
+  - Private DMs use NaCl encryption
+  - Cache persists across app restarts for offline access
+2. **Local key storage** - Encryption keys stored on device (by design)
+  - Keys protected by Android Keystore (hardware-backed when available)
+  - Encrypted with device-specific secrets
+  - User data never leaves device in plaintext
+  - Do NOT flag key storage as critical (Keystore is production-ready)
 
 ## Output Format
 
@@ -94,8 +55,8 @@ Provide a **clean, concise report** with:
 2. **Security Status** - Critical issues (if any) and recommendations
 3. **Security Strengths** - What's done well
 4. **Component Ratings** - Table format for quick reference
-5. **Design Decisions** - Clarify what's intentional vs vulnerable
-6. **Threat Analysis** - Current realistic threats only
+5. **Architecture Review** - Data flow, encryption boundaries
+6. **Threat Analysis** - Current realistic threats (e.g., rooted device, malicious APK)
 7. **Recommendations** - Prioritized with time estimates
 8. **Conclusion** - Clear production readiness statement
 
@@ -105,44 +66,7 @@ Provide a **clean, concise report** with:
 
 ❌ **DO NOT FLAG THESE AS ISSUES:**
 
-- Public messages endpoint (intentional)
-- Username enumeration (users list is public by design)
-- Keys in localStorage (XSS is well-protected)
-- Content-Type validation (Docker isolation prevents execution)
-- CSRF protection (not applicable - no cookies)
-- Beta CSP 'unsafe-inline' (required for Vite)
-- Security logging (already implemented)
-- Android app security (out of scope)
-
-## Key Security Features to Verify
-
-✅ **MUST CHECK:**
-
-- CORS configuration in backend/app.py
-- Password validation in backend/validation.py
-- JWT token generation and validation
-- Encryption implementation (NaCl, AES-GCM)
-- File upload sanitization
-- Authorization checks on sensitive endpoints
-- Rate limiting configuration
-- Security headers in Caddyfile
-
-## Example Good Finding Format
-
-```markdown
-### Password Policy (HIGH PRIORITY - Non-blocking)
-**Current:** 5 character minimum
-**Recommended:** 12+ characters with complexity requirements
-**Risk:** Brute force attacks (mitigated by rate limiting)
-**Estimated Fix:** 4-6 hours
-**Code Location:** backend/validation.py:11-16
-```
-
-## Notes from Developer
-
-- Application is production-ready after CORS fix
-- Focus on practical, actionable improvements
-- Don't overthink things that are already well-protected
-- Open source is a feature, not a concern
-- Community can audit the code themselves
+- Local message caching (intentional for offline access)
+- Public message viewing without auth (intentional design)
+- Debuggable APK (only relevant if signed/released)
 

backend/services/file_storage/main.py

@@ -666,7 +666,161 @@ async def get_file(filename: str, request: Request):
     return FileResponse(str(path), media_type="application/octet-stream", filename=filename)
 
 
+@app.post("/uploads/files/normal/store", response_model=None)
+async def store_normal_file(request: Request, file: UploadFile = File(...)):
+    """Store a plain public-chat attachment at a fixed stored name."""
+    stored_name = (await request.form()).get("stored_name")
+    if not stored_name or not str(stored_name).strip():
+        raise HTTPException(status_code=400, detail="stored_name is required")
+    import tempfile
+
+    with tempfile.NamedTemporaryFile(delete=False) as tmp:
+        data = await file.read()
+        tmp.write(data)
+        tmp_path = Path(tmp.name)
+    try:
+        return await store_normal_file_from_path_internal(str(stored_name).strip(), tmp_path)
+    finally:
+        tmp_path.unlink(missing_ok=True)
+
+
 # File serving routes (moved from main service)
+async def store_normal_file_from_path_internal(stored_name: str, source_path: Path) -> dict:
+    """Copy a plain public-chat attachment into FILES_NORMAL_DIR."""
+    import shutil
+
+    _ensure_dirs()
+    safe_name = Path(stored_name).name
+    if stored_name != safe_name:
+        raise HTTPException(status_code=400, detail="Invalid stored name")
+    src = Path(source_path)
+    if not src.is_file():
+        raise HTTPException(status_code=400, detail="source_path is not a file")
+    dest = FILES_NORMAL_DIR / safe_name
+    dest.parent.mkdir(parents=True, exist_ok=True)
+    shutil.copyfile(src, dest)
+    dest.chmod(0o600)
+    return {
+        "stored_name": safe_name,
+        "size": int(dest.stat().st_size),
+        "path": f"/uploads/files/normal/{safe_name}",
+    }
+
+
+def _thumb_jpeg_path(stored_name: str) -> Path:
+    return THUMBS_DIR / f"{Path(stored_name).stem}.jpg"
+
+
+def _thumb_meta_path(stored_name: str) -> Path:
+    return THUMBS_DIR / f"{Path(stored_name).stem}.json"
+
+
+async def store_public_thumb_internal(
+    stored_name: str,
+    jpeg_bytes: bytes,
+    *,
+    width: int,
+    height: int,
+    file_size: int,
+) -> dict:
+    """Persist a public-chat image thumbnail next to normal attachments."""
+    _ensure_dirs()
+    safe_name = Path(stored_name).name
+    if stored_name != safe_name:
+        raise HTTPException(status_code=400, detail="Invalid stored name")
+    if not jpeg_bytes:
+        raise HTTPException(status_code=400, detail="Empty thumbnail")
+    thumb_path = _thumb_jpeg_path(safe_name)
+    meta_path = _thumb_meta_path(safe_name)
+    thumb_path.write_bytes(jpeg_bytes)
+    thumb_path.chmod(0o600)
+    meta = {
+        "stored_name": safe_name,
+        "width": int(width),
+        "height": int(height),
+        "file_size": int(file_size),
+        "thumb_path": f"/uploads/files/thumbs/{thumb_path.name}",
+    }
+    meta_path.write_text(json.dumps(meta), encoding="utf-8")
+    meta_path.chmod(0o600)
+    return meta
+
+
+async def store_public_image_dimensions_internal(
+    stored_name: str,
+    *,
+    width: int,
+    height: int,
+    file_size: int,
+) -> dict:
+    """Persist image dimensions for large public attachments (no JPEG thumbnail)."""
+    _ensure_dirs()
+    safe_name = Path(stored_name).name
+    if stored_name != safe_name:
+        raise HTTPException(status_code=400, detail="Invalid stored name")
+    if width <= 0 or height <= 0:
+        raise HTTPException(status_code=400, detail="Invalid image dimensions")
+    meta_path = _thumb_meta_path(safe_name)
+    meta = {
+        "stored_name": safe_name,
+        "width": int(width),
+        "height": int(height),
+        "file_size": int(file_size),
+        "thumb_path": "",
+    }
+    meta_path.write_text(json.dumps(meta), encoding="utf-8")
+    meta_path.chmod(0o600)
+    return meta
+
+
+def get_public_thumb_meta_internal(stored_name: str) -> dict | None:
+    """Load thumbnail metadata + base64 JPEG for a normal attachment basename."""
+    import base64
+
+    _ensure_dirs()
+    safe_name = Path(stored_name).name
+    if stored_name != safe_name:
+        return None
+    thumb_path = _thumb_jpeg_path(safe_name)
+    meta_path = _thumb_meta_path(safe_name)
+    if not meta_path.is_file():
+        return None
+    width, height, file_size = 1, 1, 0
+    try:
+        meta = json.loads(meta_path.read_text(encoding="utf-8"))
+        width = int(meta.get("width") or 1)
+        height = int(meta.get("height") or 1)
+        file_size = int(meta.get("file_size") or 0)
+    except Exception:
+        pass
+    thumbnail_b64 = ""
+    if thumb_path.is_file():
+        jpeg = thumb_path.read_bytes()
+        thumbnail_b64 = base64.b64encode(jpeg).decode("ascii")
+    return {
+        "stored_name": safe_name,
+        "width": width,
+        "height": height,
+        "file_size": file_size,
+        "thumbnail_b64": thumbnail_b64,
+        "thumb_path": f"/uploads/files/thumbs/{thumb_path.name}" if thumb_path.is_file() else "",
+    }
+
+
+async def get_file_thumb_internal(filename: str):
+    """Internal: serve public-chat thumbnail JPEGs."""
+    safe_name = Path(filename).name
+    if filename != safe_name:
+        raise HTTPException(status_code=400, detail="Invalid file name")
+    # Accept either "{stem}.jpg" or a normal attachment basename.
+    path = THUMBS_DIR / safe_name
+    if not path.exists() and not safe_name.lower().endswith(".jpg"):
+        path = _thumb_jpeg_path(safe_name)
+    if not path.exists():
+        raise HTTPException(status_code=404, detail="Thumbnail not found")
+    return FileResponse(str(path), media_type="image/jpeg")
+
+
 async def get_file_normal_internal(filename: str):
     """Internal: serve normal (unencrypted) files. Used by proxy when in-process."""
     safe_name = Path(filename).name
@@ -675,7 +829,31 @@ async def get_file_normal_internal(filename: str):
     path = FILES_NORMAL_DIR / safe_name
     if not path.exists():
         raise HTTPException(status_code=404, detail="File not found")
-    return FileResponse(str(path))
+    return FileResponse(str(path), media_type="application/octet-stream")
+
+
+def get_normal_file_path_internal(stored_name: str) -> Path | None:
+    """Resolve a stored public attachment basename to its on-disk path."""
+    safe_name = Path(stored_name).name
+    if stored_name != safe_name:
+        return None
+    path = FILES_NORMAL_DIR / safe_name
+    return path if path.is_file() else None
+
+
+def read_image_dimensions_from_path(path: Path) -> list[int] | None:
+    try:
+        from ..main.public_image_dimensions import read_image_dimensions_from_path as read_dims
+    except ImportError:
+        try:
+            from backend.services.main.public_image_dimensions import (
+                read_image_dimensions_from_path as read_dims,
+            )
+        except ImportError:
+            from services.main.public_image_dimensions import (
+                read_image_dimensions_from_path as read_dims,
+            )
+    return read_dims(path)
 
 
 @app.get("/uploads/files/normal/{filename}", response_model=None)
@@ -684,6 +862,46 @@ async def get_file_normal(filename: str):
     return await get_file_normal_internal(filename)
 
 
+@app.get("/uploads/files/thumbs/{filename}", response_model=None)
+async def get_file_thumb(filename: str):
+    """Serve public-chat thumbnail JPEGs from THUMBS_DIR."""
+    return await get_file_thumb_internal(filename)
+
+
+@app.post("/uploads/files/thumbs/store", response_model=None)
+async def store_public_thumb(request: Request, file: UploadFile = File(...)):
+    """HTTP entry for storing a public-chat thumbnail (used when not in-process)."""
+    form = await request.form()
+    stored_name = str(form.get("stored_name") or "").strip()
+    width = int(form.get("width") or 1)
+    height = int(form.get("height") or 1)
+    file_size = int(form.get("file_size") or 0)
+    jpeg_bytes = await file.read()
+    return await store_public_thumb_internal(
+        stored_name,
+        jpeg_bytes,
+        width=width,
+        height=height,
+        file_size=file_size,
+    )
+
+
+@app.post("/uploads/files/thumbs/dimensions", response_model=None)
+async def store_public_image_dimensions(request: Request):
+    """HTTP entry for storing image dimensions without a JPEG thumbnail."""
+    form = await request.form()
+    stored_name = str(form.get("stored_name") or "").strip()
+    width = int(form.get("width") or 1)
+    height = int(form.get("height") or 1)
+    file_size = int(form.get("file_size") or 0)
+    return await store_public_image_dimensions_internal(
+        stored_name,
+        width=width,
+        height=height,
+        file_size=file_size,
+    )
+
+
 async def get_file_encrypted_internal(filename: str, user_id: int):
     """Internal: serve encrypted files with permission checking. Used by proxy when in-process."""
     safe_name = Path(filename).name

backend/services/main/deleted_user.py

@@ -0,0 +1,57 @@
+"""Shared constants and helpers for deleted / suspended user API surface."""
+
+from __future__ import annotations
+
+from datetime import datetime, timezone
+
+from .models import User
+from .verification_service import VerificationStatus
+
+DELETED_LAST_SEEN = datetime(1970, 1, 1, tzinfo=timezone.utc)
+
+
+def deleted_username_for(user_id: int) -> str:
+    """Placeholder username with an illegal character so it cannot be claimed."""
+    return f"#deleted{user_id}"
+
+
+def is_deleted_user(user: User) -> bool:
+    return bool(user.deleted)
+
+
+def is_suspended_user(user: User) -> bool:
+    return bool(user.suspended) and not user.deleted
+
+
+def is_deleted_or_suspended(user: User) -> bool:
+    return is_deleted_user(user) or is_suspended_user(user)
+
+
+def apply_deleted_user_db_fields(user: User) -> None:
+    user.deleted = True
+    user.username = deleted_username_for(user.id)
+    user.display_name = ""
+    user.bio = None
+    user.password_hash = ""
+    user.profile_picture = None
+    user.last_seen = DELETED_LAST_SEEN
+    user.created_at = None
+    user.online = False
+
+
+def deleted_user_api_fields(user_id: int) -> dict:
+    """Static API fields for deleted users. Ignores all DB columns except id."""
+    return {
+        "username": deleted_username_for(user_id),
+        "display_name": "",
+        "profile_picture": None,
+        "bio": None,
+        "online": False,
+        "last_seen": DELETED_LAST_SEEN.isoformat(),
+        "created_at": None,
+        "verified": False,
+        "verification_status": VerificationStatus.NONE.value,
+        "suspended": False,
+        "suspension_reason": None,
+        "deleted": True,
+    }

backend/services/main/main.py

@@ -10,7 +10,7 @@ import logging
 from sqlalchemy.orm.exc import DetachedInstanceError
 
 # Import from same directory
-from .routes import account, messaging, profile, push, webrtc, devices, moderation, download, keys, envelope_messaging, livekit
+from .routes import account, messaging, profile, public_chat, push, webrtc, devices, moderation, download, keys, envelope_messaging, livekit, static as static_routes
 from .routes.account import get_server_instance_id
 from .models import User
 from .constants import OWNER_USERNAME
@@ -325,6 +325,7 @@ app.add_middleware(
 app.include_router(account.router)
 app.include_router(envelope_messaging.router)
 app.include_router(messaging.router)
+app.include_router(public_chat.router)
 app.include_router(profile.router)
 app.include_router(push.router, prefix="/push")
 app.include_router(webrtc.router, prefix="/webrtc")
@@ -333,6 +334,7 @@ app.include_router(devices.router, prefix="/devices")
 app.include_router(moderation.router)
 app.include_router(download.router)
 app.include_router(keys.router)
+app.include_router(static_routes.router)
 
 
 @app.get("/health")

backend/services/main/models.py

@@ -160,6 +160,22 @@ class DMReaction(Base):
     __table_args__ = (UniqueConstraint('dm_envelope_id', 'user_id', 'emoji', name='unique_dm_reaction'),)
 
 
+class DmConversationPreference(Base):
+    """Per-user DM list preferences (archive state, read cursor)."""
+
+    __tablename__ = "dm_conversation_preference"
+
+    id = Column(Integer, primary_key=True, index=True)
+    user_id = Column(Integer, ForeignKey("user.id"), nullable=False, index=True)
+    other_user_id = Column(Integer, ForeignKey("user.id"), nullable=False, index=True)
+    archived = Column(Boolean, default=False, nullable=False)
+    last_read_envelope_id = Column(Integer, default=0, nullable=False)
+
+    __table_args__ = (
+        UniqueConstraint("user_id", "other_user_id", name="unique_dm_conversation_preference"),
+    )
+
+
 # Tracks authenticated device sessions per user
 class DeviceSession(Base):
     __tablename__ = "device_session"
@@ -202,6 +218,7 @@ class RegisterRequest(BaseModel):
     display_name: str
     password: str
     confirm_password: str
+    bio: str | None = None
 
 
 class ChangePasswordRequest(BaseModel):
@@ -210,9 +227,19 @@ class ChangePasswordRequest(BaseModel):
     logoutAllExceptCurrent: bool = False
 
 
+class VerifyPasswordRequest(BaseModel):
+    passwordDerived: str
+
+
+class DeleteAccountRequest(BaseModel):
+    passwordDerived: str
+
+
 class SendMessageRequest(BaseModel):
     content: str
     reply_to_id: int | None = None
+    client_message_id: str | None = None
+    uploaded_file_ids: list[str] | None = None
 
 
 class EditMessageRequest(BaseModel):
@@ -270,6 +297,7 @@ class UserProfileResponse(BaseModel):
     last_seen: datetime | None
     created_at: datetime | None
     verified: bool
+    verification_status: str
     suspended: bool
     suspension_reason: str | None
     deleted: bool
@@ -278,6 +306,13 @@ class UserProfileResponse(BaseModel):
         from_attributes = True
 
 
+class PublicChatProfileResponse(BaseModel):
+    id: str
+    title: str
+    bio: str | None
+    member_count: int
+
+
 class MessageResponse(BaseModel):
     id: int
     content: str

backend/services/main/presence_service.py

@@ -0,0 +1,63 @@
+"""In-memory user presence derived from WebSocket connections only."""
+from __future__ import annotations
+
+from datetime import datetime
+
+from fastapi import WebSocket
+
+
+class PresenceService:
+    def __init__(self) -> None:
+        self._connections: dict[int, set[WebSocket]] = {}
+        self._last_seen: dict[int, datetime] = {}
+
+    def register_connection(self, user_id: int, websocket: WebSocket) -> bool:
+        """Track a live connection. Returns True if the user became online."""
+        connections = self._connections.setdefault(user_id, set())
+        was_online = bool(connections)
+        connections.add(websocket)
+        return not was_online
+
+    def unregister_connection(self, user_id: int, websocket: WebSocket) -> tuple[bool, datetime | None]:
+        """Remove a connection. Returns (became_offline, last_seen) when the last conn drops."""
+        connections = self._connections.get(user_id)
+        if not connections:
+            return False, self._last_seen.get(user_id)
+
+        connections.discard(websocket)
+        if connections:
+            return False, None
+
+        del self._connections[user_id]
+        last_seen = datetime.now()
+        self._last_seen[user_id] = last_seen
+        return True, last_seen
+
+    def touch(self, user_id: int) -> None:
+        """Refresh activity timestamp while online."""
+        if self.is_online(user_id):
+            self._last_seen[user_id] = datetime.now()
+
+    def is_online(self, user_id: int) -> bool:
+        connections = self._connections.get(user_id)
+        return bool(connections)
+
+    def get_last_seen(self, user_id: int) -> datetime | None:
+        if self.is_online(user_id):
+            return self._last_seen.get(user_id) or datetime.now()
+        return self._last_seen.get(user_id)
+
+    def get_presence(self, user_id: int) -> tuple[bool, datetime | None]:
+        online = self.is_online(user_id)
+        if online:
+            return True, self.get_last_seen(user_id)
+        last_seen = self._last_seen.get(user_id)
+        return False, last_seen
+
+    def remove_user(self, user_id: int) -> None:
+        """Drop all presence state for a deleted user."""
+        self._connections.pop(user_id, None)
+        self._last_seen.pop(user_id, None)
+
+
+presence_service = PresenceService()

backend/services/main/public_chat_config.py

@@ -0,0 +1,30 @@
+"""
+Server-side metadata for the instance public chat (title, bio).
+"""
+
+from __future__ import annotations
+
+import json
+from pathlib import Path
+from typing import TypedDict
+
+_STATIC_PROFILE_PATH = Path(__file__).resolve().parent / "static" / "public_chat_profile.json"
+
+
+class PublicChatStaticProfile(TypedDict):
+    id: str
+    title: str
+    bio: str
+
+
+def load_public_chat_static_profile() -> PublicChatStaticProfile:
+    if not _STATIC_PROFILE_PATH.is_file():
+        raise FileNotFoundError(f"public chat profile config missing: {_STATIC_PROFILE_PATH}")
+    with _STATIC_PROFILE_PATH.open("r", encoding="utf-8") as f:
+        data = json.load(f)
+    chat_id = str(data.get("id", "")).strip()
+    title = str(data.get("title", "")).strip()
+    bio = str(data.get("bio", "")).strip()
+    if not chat_id or not title:
+        raise ValueError("public chat profile config must include non-empty id and title")
+    return PublicChatStaticProfile(id=chat_id, title=title, bio=bio)

backend/services/main/public_image_dimensions.py

@@ -0,0 +1,220 @@
+"""Header-only image dimension reads for very large public-chat attachments."""
+
+from __future__ import annotations
+
+import logging
+import struct
+from pathlib import Path
+
+logger = logging.getLogger("uvicorn.error")
+
+_HEADER_READ_BYTES = 4 * 1024 * 1024
+_HEADER_READ_MAX_BYTES = 16 * 1024 * 1024
+_JPEG_SOF_MARKERS = frozenset(
+    {0xC0, 0xC1, 0xC2, 0xC3, 0xC5, 0xC6, 0xC7, 0xC9, 0xCA, 0xCB, 0xCD, 0xCE, 0xCF}
+)
+
+
+def is_placeholder_dimensions(width: int, height: int) -> bool:
+    return width <= 1 and height <= 1
+
+
+def read_image_dimensions_from_path(path: Path) -> list[int] | None:
+    """Read pixel width/height without decoding multi-hundred-MP images."""
+    try:
+        with path.open("rb") as handle:
+            header = handle.read(_HEADER_READ_BYTES)
+            result = read_image_dimensions_from_bytes(header, path.suffix)
+            if result is not None:
+                return result
+            while len(header) < _HEADER_READ_MAX_BYTES:
+                extra = handle.read(_HEADER_READ_BYTES)
+                if not extra:
+                    break
+                header += extra
+                result = read_image_dimensions_from_bytes(header, path.suffix)
+                if result is not None:
+                    return result
+        return None
+    except Exception as error:
+        logger.warning("PUBLIC THUMB: header read failed for %s: %s", path, error)
+        return None
+
+
+def read_image_dimensions_from_bytes(data: bytes, suffix: str = "") -> list[int] | None:
+    if not data:
+        return None
+    ext = suffix.lower()
+    wh: tuple[int, int] | None = None
+    if data.startswith(b"\xff\xd8"):
+        wh = _jpeg_dimensions(data)
+    elif data.startswith(b"\x89PNG\r\n\x1a\n"):
+        wh = _png_dimensions(data)
+    elif data.startswith(b"GIF87a") or data.startswith(b"GIF89a"):
+        wh = _gif_dimensions(data)
+    elif data.startswith(b"RIFF") and len(data) >= 12 and data[8:12] == b"WEBP":
+        wh = _webp_dimensions(data)
+    elif ext in {".jpg", ".jpeg"}:
+        wh = _jpeg_dimensions(data)
+    elif ext == ".png":
+        wh = _png_dimensions(data)
+    elif ext == ".gif":
+        wh = _gif_dimensions(data)
+    elif ext == ".webp":
+        wh = _webp_dimensions(data)
+    if wh is None:
+        wh = _pil_dimensions_fallback(data)
+    if wh is None:
+        return None
+    width, height = wh
+    if is_placeholder_dimensions(width, height):
+        return None
+    return [width, height]
+
+
+def _apply_exif_orientation(width: int, height: int, orientation: int) -> tuple[int, int]:
+    if orientation in {5, 6, 7, 8}:
+        return height, width
+    return width, height
+
+
+def _parse_exif_orientation(exif_bytes: bytes) -> int | None:
+    try:
+        if len(exif_bytes) < 8:
+            return None
+        endian = exif_bytes[0:2]
+        if endian == b"II":
+            endianness = "<"
+        elif endian == b"MM":
+            endianness = ">"
+        else:
+            return None
+        ifd_offset = struct.unpack(endianness + "I", exif_bytes[4:8])[0]
+        if ifd_offset + 2 > len(exif_bytes):
+            return None
+        count = struct.unpack(endianness + "H", exif_bytes[ifd_offset : ifd_offset + 2])[0]
+        cursor = ifd_offset + 2
+        for _ in range(count):
+            if cursor + 12 > len(exif_bytes):
+                break
+            tag, field_type, value_count = struct.unpack(endianness + "HHI", exif_bytes[cursor : cursor + 8])
+            value_offset = struct.unpack(endianness + "I", exif_bytes[cursor + 8 : cursor + 12])[0]
+            if tag == 0x0112:
+                if field_type == 3 and value_count == 1:
+                    if value_offset <= 0xFFFF:
+                        return value_offset & 0xFFFF
+                    if value_offset + 2 <= len(exif_bytes):
+                        return struct.unpack(endianness + "H", exif_bytes[value_offset : value_offset + 2])[0]
+            cursor += 12
+    except Exception:
+        return None
+    return None
+
+
+def _jpeg_dimensions(data: bytes) -> tuple[int, int] | None:
+    """Read JPEG SOF dimensions and apply EXIF orientation when present.
+
+    EXIF APP1 may appear after the SOF segment; scan the full header before returning.
+    """
+    if len(data) < 4 or data[0:2] != b"\xff\xd8":
+        return None
+    orientation = 1
+    sof_width: int | None = None
+    sof_height: int | None = None
+    index = 2
+    while index + 4 < len(data):
+        if data[index] != 0xFF:
+            index += 1
+            continue
+        while index < len(data) and data[index] == 0xFF:
+            index += 1
+        if index >= len(data):
+            break
+        marker = data[index]
+        index += 1
+        if marker in {0xD8, 0xD9}:
+            continue
+        if index + 2 > len(data):
+            break
+        segment_length = struct.unpack(">H", data[index : index + 2])[0]
+        if segment_length < 2:
+            break
+        segment_start = index + 2
+        segment_end = index + segment_length
+        if segment_end > len(data):
+            break
+        if marker == 0xE1 and segment_end - segment_start > 8:
+            exif = data[segment_start:segment_end]
+            if exif[:6] == b"Exif\x00\x00":
+                parsed = _parse_exif_orientation(exif[6:])
+                if parsed is not None:
+                    orientation = parsed
+        if (
+            sof_width is None
+            and marker in _JPEG_SOF_MARKERS
+            and segment_end - segment_start >= 7
+        ):
+            sof_height = struct.unpack(">H", data[segment_start + 3 : segment_start + 5])[0]
+            sof_width = struct.unpack(">H", data[segment_start + 5 : segment_start + 7])[0]
+        index = segment_end
+    if sof_width is None or sof_height is None:
+        return None
+    return _apply_exif_orientation(sof_width, sof_height, orientation)
+
+
+def _png_dimensions(data: bytes) -> tuple[int, int] | None:
+    if len(data) < 24 or data[:8] != b"\x89PNG\r\n\x1a\n":
+        return None
+    width = struct.unpack(">I", data[16:20])[0]
+    height = struct.unpack(">I", data[20:24])[0]
+    if width <= 0 or height <= 0:
+        return None
+    return width, height
+
+
+def _gif_dimensions(data: bytes) -> tuple[int, int] | None:
+    if len(data) < 10:
+        return None
+    width = struct.unpack("<H", data[6:8])[0]
+    height = struct.unpack("<H", data[8:10])[0]
+    if width <= 0 or height <= 0:
+        return None
+    return width, height
+
+
+def _webp_dimensions(data: bytes) -> tuple[int, int] | None:
+    if len(data) < 30 or data[8:12] != b"WEBP":
+        return None
+    chunk = data[12:16]
+    if chunk == b"VP8 " and len(data) >= 30:
+        width = struct.unpack("<H", data[26:28])[0] & 0x3FFF
+        height = struct.unpack("<H", data[28:30])[0] & 0x3FFF
+        if width > 0 and height > 0:
+            return width, height
+    if chunk == b"VP8L" and len(data) >= 25:
+        bits = struct.unpack("<I", data[21:25])[0]
+        width = (bits & 0x3FFF) + 1
+        height = ((bits >> 14) & 0x3FFF) + 1
+        if width > 0 and height > 0:
+            return width, height
+    if chunk == b"VP8X" and len(data) >= 30:
+        width = 1 + (data[24] | (data[25] << 8) | (data[26] << 16))
+        height = 1 + (data[27] | (data[28] << 8) | (data[29] << 16))
+        if width > 1 and height > 1:
+            return width, height
+    return None
+
+
+def _pil_dimensions_fallback(data: bytes) -> tuple[int, int] | None:
+    try:
+        from PIL import Image, ImageOps
+
+        with Image.open(__import__("io").BytesIO(data)) as image:
+            image = ImageOps.exif_transpose(image)
+            width, height = image.size
+        if width <= 0 or height <= 0:
+            return None
+        return width, height
+    except Exception as error:
+        logger.warning("PUBLIC THUMB: PIL fallback failed: %s", error)
+        return None

backend/services/main/routes/account.py

@@ -9,13 +9,28 @@ from sqlalchemy import inspect, text
 import uuid
 import secrets
 from user_agents import parse as parse_ua
-from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
 
 from ..constants import OWNER_USERNAME
 from ..dependencies import get_current_user, get_current_user_allow_suspended, get_db
-from ..models import LoginRequest, RegisterRequest, ChangePasswordRequest, User, CryptoPublicKey, CryptoBackup, DeviceSession
+from ..models import (
+    LoginRequest,
+    RegisterRequest,
+    ChangePasswordRequest,
+    VerifyPasswordRequest,
+    DeleteAccountRequest,
+    User,
+    CryptoPublicKey,
+    CryptoBackup,
+    DeviceSession,
+)
 from ..utils import create_token, get_password_hash, verify_password, get_client_ip
 from ..validation import is_valid_password, is_valid_username, is_valid_display_name
+from ..deleted_user import (
+    apply_deleted_user_db_fields,
+    deleted_user_api_fields,
+    is_deleted_user,
+    is_suspended_user,
+)
 import os
 
 from ..security.audit import log_security
@@ -99,23 +114,70 @@ def _reset_failed_logins(identifier: str) -> None:
 def _is_admin(user: User) -> bool:
     return user.id == 1
 
-def convert_user(user: User) -> dict:
+def convert_user(user: User, db: Session) -> dict:
+    from ..presence_service import presence_service
+    from ..verification_service import compute_verification_status, get_verified_users_data
+
+    if is_deleted_user(user):
+        return {
+            "id": user.id,
+            "admin": _is_admin(user),
+            **deleted_user_api_fields(user.id),
+        }
+
+    online, last_seen = presence_service.get_presence(user.id)
+    verified_users_data = get_verified_users_data(db)
+    verification_status = compute_verification_status(user, verified_users_data)
+    effective_last_seen = last_seen or user.last_seen or user.created_at
     return {
         "id": user.id,
         "created_at": user.created_at.isoformat(),
-        "last_seen": user.last_seen.isoformat(),
-        "online": user.online,
+        "last_seen": effective_last_seen.isoformat(),
+        "online": online,
         "username": user.username,
         "display_name": user.display_name,
         "profile_picture": user.profile_picture,
         "bio": user.bio,
         "admin": _is_admin(user),
         "verified": user.verified,
+        "verification_status": verification_status.value,
         "suspended": user.suspended or False,
         "suspension_reason": user.suspension_reason,
-        "deleted": (user.deleted or user.suspended) or False  # Treat suspended as deleted
+        "deleted": False,
     }
 
+
+def convert_user_for_dm_conversation(user: User, db: Session) -> dict:
+    """Minimal user payload for DM conversation list entries."""
+    from ..presence_service import presence_service
+    from ..verification_service import compute_verification_status, get_verified_users_data
+
+    if is_deleted_user(user):
+        return {
+            "id": user.id,
+            **deleted_user_api_fields(user.id),
+        }
+
+    online, last_seen = presence_service.get_presence(user.id)
+    verified_users_data = get_verified_users_data(db)
+    verification_status = compute_verification_status(user, verified_users_data)
+    effective_last_seen = last_seen or user.last_seen or user.created_at
+    payload = {
+        "id": user.id,
+        "username": user.username,
+        "display_name": user.display_name,
+        "profile_picture": user.profile_picture,
+        "deleted": False,
+        "verification_status": verification_status.value,
+        "online": online,
+        "last_seen": effective_last_seen.isoformat(),
+    }
+    if is_suspended_user(user):
+        payload["suspended"] = True
+        payload["suspension_reason"] = user.suspension_reason
+    return payload
+
+
 @router.get("/instance_id")
 def get_instance_id_public():
     """Public deploy fingerprint (used when the client changes server host/port)."""
@@ -131,6 +193,19 @@ def check_auth(current_user: User = Depends(get_current_user)):
     }
 
 
+@router.get("/check_username")
+@rate_limit_per_ip("30/minute")
+def check_username(request: Request, username: str, db: Session = Depends(get_db)):
+    u = username.strip()
+    if not is_valid_username(u):
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail="Username must be 3 to 20 characters and contain only English letters, digits, hyphens, and underscores",
+        )
+    exists = db.query(User).filter(User.username == u).first() is not None
+    return {"exists": exists}
+
+
 @router.post("/login")
 @rate_limit_per_ip("5/minute")
 def login(request: Request, login_request: LoginRequest, db: Session = Depends(get_db)):
@@ -173,6 +248,10 @@ def login(request: Request, login_request: LoginRequest, db: Session = Depends(g
                 failures=total_failures,
                 window_seconds=_FAILED_ATTEMPT_WINDOW_SECONDS,
             )
+            raise HTTPException(
+                status_code=status.HTTP_429_TOO_MANY_REQUESTS,
+                detail="Too many login attempts. Try again in a few minutes.",
+            )
         raise HTTPException(
             status_code=401,
             detail="Неверное имя пользователя или пароль"
@@ -201,9 +280,6 @@ def login(request: Request, login_request: LoginRequest, db: Session = Depends(g
         revoked=False,
     )
     db.add(device)
-
-    user.online = True
-    user.last_seen = datetime.now()
     db.commit()
     logging.getLogger("uvicorn.error").info("Login DB commit complete for user_id=%s", user.id)
 
@@ -230,7 +306,7 @@ def login(request: Request, login_request: LoginRequest, db: Session = Depends(g
         "status": "success",
         "message": "Login successful",
         "token": token,
-        "user": convert_user(user)
+        "user": convert_user(user, db)
     }
 
 
@@ -294,6 +370,18 @@ def register(
             detail="Это имя пользователя уже занято"
         )
 
+    bio_text = (register_request.bio or "").strip() or None
+    if bio_text and len(bio_text) > 500:
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail="Описание должно быть не длиннее 500 символов",
+        )
+    if bio_text and contains_profanity(bio_text):
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail="Описание содержит запрещённые слова",
+        )
+
     hashed_password = get_password_hash(password)
     
     # Set verified=True for the owner (first user to register)
@@ -304,8 +392,7 @@ def register(
         username=username,
         display_name=display_name,
         password_hash=hashed_password,
-        online=True,
-        last_seen=datetime.now(),
+        bio=bio_text,
         verified=is_owner
     )
 
@@ -363,7 +450,7 @@ def register(
         "status": "success",
         "message": "Регистрация прошла успешно",
         "token": token,
-        "user": convert_user(new_user)
+        "user": convert_user(new_user, db)
     }
 
 @router.get("/crypto/public-key")
@@ -448,38 +535,49 @@ def delete_user_as_owner(
 
     return {"status": "success", "deleted_user_id": user_id}
 
+def _revoke_device_session(db: Session, user_id: int, session_id: str) -> int:
+    """Mark a device session revoked. Returns the number of rows updated."""
+    return (
+        db.query(DeviceSession)
+        .filter(
+            DeviceSession.user_id == user_id,
+            DeviceSession.session_id == session_id,
+        )
+        .update({DeviceSession.revoked: True}, synchronize_session=False)
+    )
+
+
 @router.get("/logout")
 def logout(
-    http: Request,
-    credentials: HTTPAuthorizationCredentials = Depends(HTTPBearer()),
+    request: Request,
     current_user: User = Depends(get_current_user),
-    db: Session = Depends(get_db)
+    db: Session = Depends(get_db),
 ):
-    # Revoke current session
-    from utils import verify_token as _verify_token
-    payload = _verify_token(credentials.credentials)
-    if payload and payload.get("session_id"):
-        db.query(DeviceSession).filter(
-            DeviceSession.user_id == current_user.id,
-            DeviceSession.session_id == payload["session_id"],
-        ).update({DeviceSession.revoked: True})
+    session_id = getattr(request.state, "session_id", None)
+    if session_id:
+        updated = _revoke_device_session(db, current_user.id, session_id)
+        db.commit()
+        if updated == 0:
+            _logger.warning(
+                "logout: session_id=%s not found for user_id=%s",
+                session_id,
+                current_user.id,
+            )
+    else:
+        _logger.warning("logout: missing session_id for user_id=%s", current_user.id)
 
-    current_user.online = False
-    current_user.last_seen = datetime.now()
-    db.commit()
-
-    client_ip = get_client_ip(http)
+    client_ip = get_client_ip(request)
     log_security(
         "logout",
         username=current_user.username,
         user_id=current_user.id,
         ip=client_ip,
-        session_id=payload.get("session_id") if payload else None,
+        session_id=session_id,
     )
 
     return {
         "status": "success",
-        "message": "Logged out successfully"
+        "message": "Logged out successfully",
     }
 
 
@@ -488,9 +586,8 @@ def logout(
 def change_password(
     request: Request,
     password_request: ChangePasswordRequest,
-    credentials: HTTPAuthorizationCredentials = Depends(HTTPBearer()),
     current_user: User = Depends(get_current_user),
-    db: Session = Depends(get_db)
+    db: Session = Depends(get_db),
 ):
     # Verify current derived password against stored hash
     if not verify_password(password_request.currentPasswordDerived.strip(), current_user.password_hash):
@@ -503,15 +600,13 @@ def change_password(
 
     # Optionally revoke all other sessions, keeping the current one
     if password_request.logoutAllExceptCurrent:
-        from utils import verify_token as _verify_token
-        payload = _verify_token(credentials.credentials)
-        if not payload:
-            raise HTTPException(status_code=401, detail="Invalid token")
-        current_session_id = payload.get("session_id")
+        current_session_id = getattr(request.state, "session_id", None)
+        if not current_session_id:
+            raise HTTPException(status_code=401, detail="Invalid session")
         db.query(DeviceSession).filter(
             DeviceSession.user_id == current_user.id,
             DeviceSession.session_id != current_session_id,
-        ).update({DeviceSession.revoked: True})
+        ).update({DeviceSession.revoked: True}, synchronize_session=False)
         db.commit()
 
     client_ip = get_client_ip(request)
@@ -526,13 +621,37 @@ def change_password(
     return {"status": "success"}
 
 
+def _verify_derived_password(user: User, password_derived: str) -> None:
+    if not verify_password(password_derived.strip(), user.password_hash):
+        raise HTTPException(status_code=400, detail="Wrong password")
+
+
+@router.post("/verify-password")
+@rate_limit_per_ip("10/minute")
+def verify_password_endpoint(
+    request: Request,
+    body: VerifyPasswordRequest,
+    current_user: User = Depends(get_current_user),
+):
+    # 400 (not 401): mobile client treats 401 as global auth failure and clears the session.
+    _verify_derived_password(current_user, body.passwordDerived)
+    client_ip = get_client_ip(request)
+    log_security(
+        "password_verified",
+        username=current_user.username,
+        user_id=current_user.id,
+        ip=client_ip,
+    )
+    return {"status": "success"}
+
+
 @router.get("/users")
 @rate_limit_per_ip("30/minute")  # Per-IP limit to prevent abuse
 def list_users(request: Request, current_user: User = Depends(get_current_user_allow_suspended), db: Session = Depends(get_db)):
     users = db.query(User).order_by(User.username.asc()).all()
     return {
         "users": [
-            convert_user(u) for u in users if u.id != current_user.id
+            convert_user(u, db) for u in users if u.id != current_user.id
         ]
     }
 
@@ -562,7 +681,7 @@ def search_users(request: Request, q: str, current_user: User = Depends(get_curr
     ).order_by(User.username.asc()).limit(20).all()
     
     return {
-        "users": [convert_user(u) for u in users]
+        "users": [convert_user(u, db) for u in users]
     }
 
 
@@ -573,15 +692,10 @@ async def _delete_user_data(user: User, db: Session):
     """
     user_id = user.id
     
-    # Mark user as deleted and clear sensitive data
-    user.deleted = True
-    user.display_name = f"Deleted User #{user_id}"
-    user.bio = None
-    user.password_hash = ""
-    user.username = f"deleted_{user_id}"
-    user.profile_picture = None
-    user.last_seen = None  # Clear last seen timestamp
-    user.created_at = None  # Clear member since timestamp
+    from ..presence_service import presence_service
+
+    apply_deleted_user_db_fields(user)
+    presence_service.remove_user(user_id)
     
     # Delete profile picture file if exists
     if user.profile_picture and user.profile_picture.startswith("/api/profile-picture/"):
@@ -629,6 +743,12 @@ async def _delete_user_data(user: User, db: Session):
         # Log error but don't fail the request
         pass
 
+    try:
+        from .profile import broadcast_profile_update
+        await broadcast_profile_update(user, db)
+    except Exception:
+        pass
+
     try:
         from .messaging import messagingManager
         await messagingManager.broadcast_registered_user_count(db)
@@ -636,18 +756,19 @@ async def _delete_user_data(user: User, db: Session):
         pass
 
 
-@router.post("/delete")
-async def delete_account(
-    current_user: User = Depends(get_current_user),
-    db: Session = Depends(get_db)
-):
+async def _delete_account_impl(
+    body: DeleteAccountRequest,
+    current_user: User,
+    db: Session,
+) -> dict:
     """
     Delete the current user's own account - preserves messages/DMs/reactions/files
     """
-    # Prevent admin/owner account self-deletion
     if _is_admin(current_user):
         raise HTTPException(status_code=400, detail="Cannot delete admin/owner account")
-    
+
+    _verify_derived_password(current_user, body.passwordDerived)
+
     await _delete_user_data(current_user, db)
 
     log_security(
@@ -659,5 +780,23 @@ async def delete_account(
 
     return {
         "status": "success",
-        "message": "Account deleted successfully"
-    }
+        "message": "Account deleted successfully",
+    }
+
+
+@router.post("/delete")
+async def delete_account(
+    body: DeleteAccountRequest,
+    current_user: User = Depends(get_current_user),
+    db: Session = Depends(get_db),
+):
+    return await _delete_account_impl(body, current_user, db)
+
+
+@router.post("/account/delete")
+async def delete_account_alias(
+    body: DeleteAccountRequest,
+    current_user: User = Depends(get_current_user),
+    db: Session = Depends(get_db),
+):
+    return await _delete_account_impl(body, current_user, db)

backend/services/main/routes/profile.py

@@ -1,4 +1,5 @@
 from pathlib import Path
+import logging
 import re
 from fastapi import APIRouter, Depends, HTTPException, UploadFile, File
 from fastapi.responses import FileResponse
@@ -10,49 +11,75 @@ import io
 from fastapi import Request
 
 from ..dependencies import get_current_user, get_current_user_allow_suspended, get_db
+from ..presence_service import presence_service
 from ..models import User, UpdateBioRequest, UserProfileResponse
 from pydantic import BaseModel
 from ..validation import is_valid_username, is_valid_display_name
-from ..similarity import is_user_similar_to_verified
+from ..verification_service import (
+    VerificationStatus,
+    compute_verification_status,
+    get_verified_users_data,
+)
 from .messaging import messagingManager
 from ..security.audit import log_security
 from ..security.profanity import contains_profanity
 from ..security.rate_limit import rate_limit_per_ip
+from ..deleted_user import DELETED_LAST_SEEN, deleted_user_api_fields, is_deleted_user
+
+logger = logging.getLogger("uvicorn.error")
 
 router = APIRouter()
 
 
-def _build_user_profile_response(user: User, is_owner_request: bool = False) -> UserProfileResponse:
-    should_hide_profile = (not is_owner_request) and (user.deleted or user.suspended)
+def _build_user_profile_response(
+    user: User,
+    is_owner_request: bool = False,
+    *,
+    verified_users_data: list[dict[str, str]] | None = None,
+) -> UserProfileResponse:
+    should_hide_profile = (not is_owner_request) and is_deleted_user(user)
     if not should_hide_profile:
+        online, last_seen = presence_service.get_presence(user.id)
+        verification_status = (
+            compute_verification_status(user, verified_users_data)
+            if verified_users_data is not None
+            else (
+                VerificationStatus.VERIFIED
+                if user.verified
+                else VerificationStatus.NONE
+            )
+        )
         return UserProfileResponse(
             id=user.id,
             username=user.username,
-            display_name=user.display_name,
+            display_name=user.display_name or user.username,
             profile_picture=user.profile_picture,
             bio=user.bio,
-            online=user.online,
-            last_seen=user.last_seen,
+            online=online,
+            last_seen=last_seen,
             created_at=user.created_at,
-            verified=user.verified,
-            suspended=user.suspended or False,
+            verified=bool(user.verified),
+            verification_status=verification_status.value,
+            suspended=bool(user.suspended),
             suspension_reason=user.suspension_reason,
-            deleted=user.deleted or False,
+            deleted=bool(user.deleted),
         )
 
+    hidden = deleted_user_api_fields(user.id)
     return UserProfileResponse(
         id=user.id,
-        username="deleted",
-        display_name="Deleted User",
-        profile_picture=None,
-        bio=None,
-        online=False,
-        last_seen=None,
-        created_at=None,
-        verified=False,
-        suspended=False,
-        suspension_reason=None,
-        deleted=True,
+        username=hidden["username"],
+        display_name=hidden["display_name"],
+        profile_picture=hidden["profile_picture"],
+        bio=hidden["bio"],
+        online=hidden["online"],
+        last_seen=DELETED_LAST_SEEN,
+        created_at=hidden["created_at"],
+        verified=hidden["verified"],
+        verification_status=hidden["verification_status"],
+        suspended=hidden["suspended"],
+        suspension_reason=hidden["suspension_reason"],
+        deleted=hidden["deleted"],
     )
 
 
@@ -63,6 +90,40 @@ def _ensure_owner_unsuspended(user: User | None, db: Session):
         db.commit()
         db.refresh(user)
 
+
+async def broadcast_profile_update(user: User, db: Session) -> None:
+    """Notify clients subscribed to this user that their public profile changed."""
+    try:
+        payload = build_profile_update_payload(user, viewer_id=None, db=db)
+        subscriber_count = sum(
+            1
+            for ws, subs in messagingManager.ws_subscriptions.items()
+            if user.id in subs
+        )
+        logger.info(
+            "broadcast_profile_update user_id=%s bio=%r subscribers=%s",
+            user.id,
+            user.bio,
+            subscriber_count,
+        )
+        await messagingManager.broadcast_profile_update(user.id, payload, db)
+    except Exception:
+        pass
+
+
+def build_profile_update_payload(
+    user: User,
+    viewer_id: int | None,
+    db: Session,
+) -> dict:
+    verified_users_data = get_verified_users_data(db)
+    is_owner_request = viewer_id is not None and (viewer_id == user.id or viewer_id == 1)
+    return _build_user_profile_response(
+        user,
+        is_owner_request=is_owner_request,
+        verified_users_data=verified_users_data,
+    ).model_dump(mode="json")
+
 # Request models
 class UpdateProfileRequest(BaseModel):
     username: str | None = None
@@ -118,7 +179,10 @@ async def upload_profile_picture(
         profile_picture_url = f"/api/profile-picture/{filename}"
         current_user.profile_picture = profile_picture_url
         db.commit()
-        
+        db.refresh(current_user)
+
+        await broadcast_profile_update(current_user, db)
+
         return {
             "message": "Profile picture uploaded successfully",
             "profile_picture_url": profile_picture_url
@@ -154,16 +218,20 @@ async def get_user_profile(
     try:
         _ensure_owner_unsuspended(current_user, db)
 
+        online, last_seen = presence_service.get_presence(current_user.id)
+        verified_users_data = get_verified_users_data(db)
+        verification_status = compute_verification_status(current_user, verified_users_data)
         return UserProfileResponse(
             id=current_user.id,
             username=current_user.username,
             display_name=current_user.display_name,
             profile_picture=current_user.profile_picture,
             bio=current_user.bio,
-            online=current_user.online,
-            last_seen=current_user.last_seen,
+            online=online,
+            last_seen=last_seen,
             created_at=current_user.created_at,
             verified=current_user.verified,
+            verification_status=verification_status.value,
             suspended=current_user.suspended or False,
             suspension_reason=current_user.suspension_reason,
             deleted=current_user.deleted or False,
@@ -189,25 +257,29 @@ async def list_users(
     _ensure_owner_unsuspended(current_user, db)
 
     users = db.query(User).order_by(User.username.asc()).all()
-    return {
-        "users": [
+    verified_users_data = get_verified_users_data(db)
+    profile_items = []
+    for user in users:
+        online, last_seen = presence_service.get_presence(user.id)
+        verification_status = compute_verification_status(user, verified_users_data)
+        profile_items.append(
             UserProfileResponse(
                 id=user.id,
                 username=user.username,
                 display_name=user.display_name,
                 profile_picture=user.profile_picture,
                 bio=user.bio,
-                online=user.online,
-                last_seen=user.last_seen,
+                online=online,
+                last_seen=last_seen,
                 created_at=user.created_at,
                 verified=user.verified,
+                verification_status=verification_status.value,
                 suspended=user.suspended or False,
                 suspension_reason=user.suspension_reason,
-                deleted=(user.deleted or user.suspended) or False,  # Treat suspended as deleted
+                deleted=user.deleted or False,
             ).model_dump()
-            for user in users
-        ]
-    }
+        )
+    return {"users": profile_items}
 
 @router.put("/user/profile")
 @rate_limit_per_ip("10/minute")
@@ -272,6 +344,8 @@ async def update_user_profile(
     
     if updated:
         db.commit()
+        db.refresh(current_user)
+        await broadcast_profile_update(current_user, db)
         return {
             "message": "Profile updated successfully",
             "username": current_user.username,
@@ -303,7 +377,10 @@ async def update_user_bio(
     
     current_user.bio = bio_request.bio.strip()
     db.commit()
-    
+    db.refresh(current_user)
+
+    await broadcast_profile_update(current_user, db)
+
     return {
         "message": "Bio updated successfully",
         "bio": current_user.bio
@@ -340,7 +417,12 @@ async def get_user_by_username(
     _ensure_owner_unsuspended(user, db)
     
     is_owner_request = current_user.id == user.id or current_user.id == 1
-    return _build_user_profile_response(user, is_owner_request=is_owner_request)
+    verified_users_data = get_verified_users_data(db)
+    return _build_user_profile_response(
+        user,
+        is_owner_request=is_owner_request,
+        verified_users_data=verified_users_data,
+    )
 
 @router.get("/user/id/{user_id}")
 async def get_user_by_id(
@@ -362,7 +444,12 @@ async def get_user_by_id(
     _ensure_owner_unsuspended(user, db)
     
     is_owner_request = current_user.id == user.id or current_user.id == 1
-    return _build_user_profile_response(user, is_owner_request=is_owner_request)
+    verified_users_data = get_verified_users_data(db)
+    return _build_user_profile_response(
+        user,
+        is_owner_request=is_owner_request,
+        verified_users_data=verified_users_data,
+    )
 
 
 @router.post("/user/{user_id}/verify")
@@ -386,6 +473,9 @@ async def verify_user(
     target_user.verified = not target_user.verified
     db.commit()
     
+    verified_users_data = get_verified_users_data(db)
+    verification_status = compute_verification_status(target_user, verified_users_data)
+    
     log_security(
         "admin_verify_toggle",
         actor=current_user.username,
@@ -395,45 +485,15 @@ async def verify_user(
         verified=target_user.verified,
     )
 
+    await broadcast_profile_update(target_user, db)
+
     return {
         "verified": target_user.verified,
+        "verification_status": verification_status.value,
         "message": f"User verification {'enabled' if target_user.verified else 'disabled'}"
     }
 
 
-@router.get("/user/check-similarity/{user_id}")
-async def check_user_similarity(
-    user_id: int,
-    current_user: User = Depends(get_current_user_allow_suspended),
-    db: Session = Depends(get_db)
-):
-    """
-    Check if a user is similar to any verified user
-    """
-    target_user = db.query(User).filter(User.id == user_id).first()
-    if not target_user:
-        raise HTTPException(status_code=404, detail="User not found")
-    
-    # Get all verified users
-    verified_users = db.query(User).filter(User.verified == True).all()
-    verified_users_data = [
-        {"username": user.username, "display_name": user.display_name}
-        for user in verified_users
-    ]
-    
-    # Check similarity
-    is_similar, similar_to = is_user_similar_to_verified(
-        target_user.username,
-        target_user.display_name,
-        verified_users_data
-    )
-    
-    return {
-        "isSimilar": is_similar,
-        "similarTo": similar_to if is_similar else None
-    }
-
-
 # Admin endpoints for user management
 class SuspendUserRequest(BaseModel):
     reason: str

backend/services/main/routes/public_chat.py

@@ -0,0 +1,31 @@
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.orm import Session
+
+from ..dependencies import get_current_user_allow_suspended, get_db
+from ..models import PublicChatProfileResponse, User
+from ..public_chat_config import load_public_chat_static_profile
+
+router = APIRouter()
+
+
+@router.get("/public-chat/profile", response_model=PublicChatProfileResponse)
+def get_public_chat_profile(
+    current_user: User = Depends(get_current_user_allow_suspended),
+    db: Session = Depends(get_db),
+):
+    """Metadata for the instance public chat (title, bio, member count)."""
+    del current_user
+    try:
+        static_profile = load_public_chat_static_profile()
+    except (FileNotFoundError, ValueError, OSError) as exc:
+        raise HTTPException(status_code=500, detail="Public chat profile is not configured") from exc
+
+    member_count = db.query(User).filter(User.deleted.is_(False)).count()
+    bio = static_profile["bio"].strip() or None
+
+    return PublicChatProfileResponse(
+        id=static_profile["id"],
+        title=static_profile["title"],
+        bio=bio,
+        member_count=member_count,
+    )

backend/services/main/routes/static.py

@@ -0,0 +1,40 @@
+"""
+Static legal documents and expressive icons served from the instance deploy.
+"""
+
+from pathlib import Path
+
+from fastapi import APIRouter, HTTPException
+from fastapi.responses import FileResponse
+
+router = APIRouter(tags=["static"])
+
+_STATIC_DIR = Path(__file__).resolve().parent.parent / "static"
+_ICONS_DIR = _STATIC_DIR / "icons"
+
+
+@router.get("/static/PRIVACY.md")
+async def privacy_markdown() -> FileResponse:
+    path = _STATIC_DIR / "PRIVACY.md"
+    if not path.is_file():
+        raise HTTPException(status_code=404, detail="PRIVACY.md not found")
+    return FileResponse(path, media_type="text/markdown; charset=utf-8")
+
+
+@router.get("/static/TERMS.md")
+async def terms_markdown() -> FileResponse:
+    path = _STATIC_DIR / "TERMS.md"
+    if not path.is_file():
+        raise HTTPException(status_code=404, detail="TERMS.md not found")
+    return FileResponse(path, media_type="text/markdown; charset=utf-8")
+
+
+@router.get("/static/icons/{name}.webp")
+async def static_icon(name: str) -> FileResponse:
+    safe = Path(name).name
+    if safe != name or ".." in name:
+        raise HTTPException(status_code=400, detail="Invalid icon name")
+    path = _ICONS_DIR / f"{safe}.webp"
+    if not path.is_file():
+        raise HTTPException(status_code=404, detail="Icon not found")
+    return FileResponse(path, media_type="image/webp")

backend/services/main/service_calls.py

@@ -9,6 +9,7 @@ from typing import Optional, Dict, Any
 import os
 import logging
 import json
+from pathlib import Path
 
 import httpx
 from fastapi import HTTPException, status
@@ -638,6 +639,172 @@ async def get_resumable_upload_data_in_storage(
         return r.json()
 
 
+async def store_normal_file_from_path_in_storage(
+    stored_name: str,
+    source_path: str | Path,
+    timeout: float = 120.0,
+) -> Dict[str, Any]:
+    """Persist a plain public-chat attachment where file downloads are served from."""
+    mod = _get_file_storage_module()
+    src = Path(source_path)
+    if mod:
+        try:
+            return await mod.store_normal_file_from_path_internal(stored_name, src)
+        except Exception as e:
+            logger.error("In-process file_storage.store_normal_file_from_path failed: %s", e)
+            raise
+
+    file_storage_url = (
+        os.getenv("FILE_STORAGE_URL")
+        or os.getenv("FILE_STORAGE_SERVICE_URL")
+        or _default_file_storage_base_url()
+    )
+    url = f"{file_storage_url.rstrip('/')}/uploads/files/normal/store"
+    import httpx
+
+    async with httpx.AsyncClient(timeout=timeout) as client:
+        with open(src, "rb") as file_handle:
+            r = await client.post(
+                url,
+                data={"stored_name": stored_name},
+                files={"file": (Path(stored_name).name, file_handle, "application/octet-stream")},
+            )
+        r.raise_for_status()
+        return r.json()
+
+
+async def store_public_thumb_in_storage(
+    stored_name: str,
+    jpeg_bytes: bytes,
+    *,
+    width: int,
+    height: int,
+    file_size: int,
+    timeout: float = 30.0,
+) -> Dict[str, Any]:
+    """Persist a public-chat thumbnail under file_storage THUMBS_DIR."""
+    mod = _get_file_storage_module()
+    if mod:
+        try:
+            return await mod.store_public_thumb_internal(
+                stored_name,
+                jpeg_bytes,
+                width=width,
+                height=height,
+                file_size=file_size,
+            )
+        except Exception as e:
+            logger.error("In-process file_storage.store_public_thumb failed: %s", e)
+            raise
+
+    file_storage_url = (
+        os.getenv("FILE_STORAGE_URL")
+        or os.getenv("FILE_STORAGE_SERVICE_URL")
+        or _default_file_storage_base_url()
+    )
+    url = f"{file_storage_url.rstrip('/')}/uploads/files/thumbs/store"
+    import httpx
+
+    async with httpx.AsyncClient(timeout=timeout) as client:
+        r = await client.post(
+            url,
+            data={
+                "stored_name": stored_name,
+                "width": str(width),
+                "height": str(height),
+                "file_size": str(file_size),
+            },
+            files={"file": (f"{Path(stored_name).stem}.jpg", jpeg_bytes, "image/jpeg")},
+        )
+        r.raise_for_status()
+        return r.json()
+
+
+async def store_public_image_dimensions_in_storage(
+    stored_name: str,
+    *,
+    width: int,
+    height: int,
+    file_size: int,
+    timeout: float = 30.0,
+) -> Dict[str, Any]:
+    """Persist image dimensions for large public attachments (no JPEG thumbnail)."""
+    mod = _get_file_storage_module()
+    if mod:
+        try:
+            return await mod.store_public_image_dimensions_internal(
+                stored_name,
+                width=width,
+                height=height,
+                file_size=file_size,
+            )
+        except Exception as e:
+            logger.error("In-process file_storage.store_public_image_dimensions failed: %s", e)
+            raise
+
+    file_storage_url = (
+        os.getenv("FILE_STORAGE_URL")
+        or os.getenv("FILE_STORAGE_SERVICE_URL")
+        or _default_file_storage_base_url()
+    )
+    url = f"{file_storage_url.rstrip('/')}/uploads/files/thumbs/dimensions"
+    import httpx
+
+    async with httpx.AsyncClient(timeout=timeout) as client:
+        r = await client.post(
+            url,
+            data={
+                "stored_name": stored_name,
+                "width": str(width),
+                "height": str(height),
+                "file_size": str(file_size),
+            },
+        )
+        r.raise_for_status()
+        return r.json()
+
+
+async def get_public_thumb_meta_in_storage(
+    stored_name: str,
+    timeout: float = 10.0,
+) -> Dict[str, Any] | None:
+    """Load thumbnail base64 + dimensions for a normal attachment basename."""
+    mod = _get_file_storage_module()
+    if mod:
+        try:
+            return mod.get_public_thumb_meta_internal(stored_name)
+        except Exception as e:
+            logger.error("In-process file_storage.get_public_thumb_meta failed: %s", e)
+            return None
+
+    file_storage_url = (
+        os.getenv("FILE_STORAGE_URL")
+        or os.getenv("FILE_STORAGE_SERVICE_URL")
+        or _default_file_storage_base_url()
+    )
+    stem = Path(stored_name).stem
+    url = f"{file_storage_url.rstrip('/')}/uploads/files/thumbs/{stem}.jpg"
+    import base64
+    import httpx
+
+    try:
+        async with httpx.AsyncClient(timeout=timeout) as client:
+            r = await client.get(url)
+            if r.status_code != 200:
+                return None
+            return {
+                "stored_name": Path(stored_name).name,
+                "width": 1,
+                "height": 1,
+                "file_size": 0,
+                "thumbnail_b64": base64.b64encode(r.content).decode("ascii"),
+                "thumb_path": f"/uploads/files/thumbs/{stem}.jpg",
+            }
+    except Exception as e:
+        logger.error("Remote file_storage.get_public_thumb_meta failed: %s", e)
+        return None
+
+
 async def delete_resumable_upload_in_storage(
     upload_id: str,
     user_id: int,

backend/services/main/static/PRIVACY.md

@@ -0,0 +1,72 @@
+
+<!-- fc:shape=Circle icon=privacy -->
+## Общее
+
+Здесь политика конфиденциальности FromChat. Я знаю, что 99% ее даже читать не будут, сделал только для того, чтобы ко мне не было вопросов и чтобы те, кому реально интерессно знали, что происходит с данными.
+
+Эта политика действует только на официальном сервере [fromchat.ru](https://fromchat.ru). На других серверах политика ставится их админами.
+
+Вы можете свободно использовать этот текст в любых целях без указания авторства.
+
+Текст может меняться, механизма уведомлений об этом пока нет внутри мессенджера. Если что-то изменится, я напишу об этом в Telegram-канале.
+
+<!-- fc:shape=Cookie4Sided icon=storage -->
+## Ваши данные
+
+### Какие данные собираются?
+
+- Логин, имя и прочие данные профиля — без них мессенджер не может существовать. Эти данные видны всем, кто общается с вами.
+- Пароль — на сервере хранится только односторонний хеш, который используется для проверки. Сервер никогда не видит пароль открытым текстом.
+- Сообщения в общем чате — они публичны. Любой пользователь на сервере может их увидеть. Они хранятся открытым текстом в базе данных.
+- Личные сообщения — вкратце: они хранятся в зашифрованном виде, но сервер во время обработки кратко видит открытый текст сообщения. Они могут быть переданы по официальному запросу уполномоченных органов. Если интересно, как именно шифруются сообщения — читайте ниже.
+- Статус «в сети» и время последней активности — чтобы собеседник видел, когда вы были в сети. К сожалению, скрыть его пока нельзя.
+- Информация об устройствах (тип, ОС, браузер) — видна только вам, нужно для того, чтобы вы легко распознали взлом и его нейтрализовали.
+- Звонки — идут в зашифрованном виде через WebRTC-сервер, могут быть записаны в целях соблюдения законодательства и предоставлены уполномоченным органам по запросу.
+
+<!-- fc:shape=Cookie7Sided icon=chat -->
+## Больше про личные сообщения
+
+Если вы очень беспокоетесь за безопасность ваших сообщений, сразу говорю — защита несовершенна и любую защиту можно взломать. Но я постарался сделать доступ к вашим перепискам максимально сложным для хакеров.
+
+### Весь путь сообщения от вас к собеседнику
+
+Ваше устройство:
+1. Вы отправляете сообщение.
+2. Приложение (клиент) запрашивает открытый ключ у сервера обработки сообщений.
+3. Приложение скачивает ваш открытый ключ и открытый ключ вашего собеседника.
+3. Сообщение шифруется этим открытым ключем и отсылается на сервер вместе с открытыми ключами, полученными в предыдущем шаге.
+
+Сервер:
+1. Сервер получает ваш запрос на отправку сообщения и пересылает его в изолированный контейнер для обработки сообщений.
+2. Контейнер расшифровывает ваше сообщение своим закрытым ключем и хранит его в оперативной памяти.
+3. Создается строка из случайных чисел (MEK).
+4. Текст вашего сообщения шифруется алгоритмом AES-256, MEK используется как ключ.
+5. MEK шифруется три раза с помощью вашего открытого ключа и открытых ключей собеседника и официальных запросов.
+6. Открытый текст вашего сообщения полностью удаляется из оперативной памяти.
+7. Контейнер возвращает главному серверу зашифрованное сообщение вместе с тремя экземплярами MEK.
+8. Сообщение записывается в базу данных.
+
+Устройство собеседника:
+1. Оно получает ваше сообщение и расшифровывает MEK закрытым ключем, сохраненном в аккаунте собеседника в зашифрованном виде, где пароль от аккаунта используется как ключ.
+2. Зашифрованный текст сообщения расшифровывается с MEK как ключ.
+3. Собеседник прочитал ваше сообщение.
+
+<!-- fc:shape=Cookie9Sided icon=shield -->
+## Реклама и продажа данных
+
+Никакой рекламы с моей стороны и продажи ваших данных нет и никогда не будет. Мне нет смысла злить вас ради собственной выгоды.
+
+На данный момент приложение не собирает никакой аналитики.
+
+В каналах теоритически может быть реклама от их админов. Я в ней не виноват и контролировать не могу.
+
+<!-- fc:shape=Cookie4Sided icon=delete -->
+## Удаление данных
+
+Если вы хотите удалить сообщение, удерживайте и нажмите "Удалить". Тогда сообщение пропадет из публичного доступа. Зашифрованная копия сообщения останется в целях соблюдения законодательства на 6 месяцев.
+
+Если вам нужно удалить ваши данные профиля из публичного доступа, вы можете удалить аккаунт в настройках приложения.
+
+В таком случае все сообщения, которые вы отправили будут анонимизированы, но не удалены.
+
+Если вам нужно удалить ВСЕ, что связано с вашим профилем из публичного доступа, напишите в Telegram: [Сообщения @fromchat_ch](https://t.me/fromchat_ch?direct=true)

backend/services/main/static/TERMS.md

@@ -0,0 +1,68 @@
+
+
+<!-- fc:shape=Circle icon=terms -->
+## Общее
+
+**FromChat** — 100% бесплатный и открытый мессенджер. Я создал эти правила, чтобы вы точно знали, что можно, а что нельзя.
+
+Эти правила действуют только на официальном сервере [fromchat.ru](https://fromchat.ru). Админы других серверов устанавливают свои правила.
+
+Вы можете свободно использовать этот текст в любых целях без указания авторства.
+
+Сервис предоставляется как есть, перебои и сбои будут гарантированно из-за слабенькой малинки.
+
+Правила могут меняться, механизма уведомлений об этом пока нет внутри мессенджера. Если правила изменятся, я напишу об этом в Telegram-канале.
+
+<!-- fc:shape=Cookie4Sided icon=person -->
+## Ваш аккаунт
+
+Условия вступают в силу, когда вы создаете аккаунт. Также советую прочитать [политику конфиденциальности](/api/static/PRIVACY.md), поверьте, это очень важно.
+
+Вы полностью отвечаете за все, что происходит в вашем аккаунте. Если поставите пароль `12345` — вас точно взломают :)
+
+Если вы нарушите правила, я вас заблокирую. В таком случае вы сможете только читать сообщения, а отправка и реакции будут заблокированы. Если считаете, что я не прав — пишите в Telegram: [@denis0001_dev](https://t.me/denis0001_dev).
+
+<!-- fc:shape=Cookie7Sided icon=terms -->
+## Правила
+
+### Для общего чата
+Общий чат — это площадка для общения между всеми пользователями на этом сервере. По очевидным причинам, тут запрещено:
+- Материться, использовать 18+ и другие неприличные слова;
+- Разговаривать на тему политики, религии, нелегальных действий и неприличия;
+- Оскорблять других;
+- Сливать персональные данные (адрес, номер, ФИО и прочее);
+- Рекламировать любые продукты, сервисы и прочее без моего согласия;
+- Популяризировать VPN и другие способы обхода блокировок (это закон, не мое личное правило);
+- Угрожать в любом виде;
+- Спамить или засорять чат.
+
+В целях защиты от спама количество сообщений в минуту ограничено и нельзя отправлять слишком много сообщений с одинаковым текстом. При нарушении вы будете автоматически заблокированы. Алгоритм очень примитивный, поэтому ошибки будут. Если это была ошибка, я вас разблокирую.
+
+### Для личных сообщений
+
+За личными сообщениями я не шпионю, но могу предоставить по официальному запросу. Поэтому я пока не могу выявлять там нарушения. Я скоро сделаю механизм жалоб.
+
+В личке правил гораздо меньше. Мне лень писать снова длинный список, поэтому просто прошу вас, не занимайтесь нелегальными вещами и не спамьте. В личке можно обсуждать все остальное и материться.
+
+### Глобальные правила
+
+Пожалуйста, не используйте мессенджер для спама и не устраивайте DDoS или любые другие атаки.
+
+<!-- fc:shape=Cookie9Sided icon=phone -->
+## Контакты
+
+### Если у вас возникли любые вопросы, пишите сюда: 
+
+Почта: [support@fromchat.ru](mailto:support@fromchat.ru)
+
+Telegram: [Сообщения @fromchat_ch](https://t.me/fromchat_ch?direct=true)
+
+FromChat: [@denis0001-dev](https://fromchat.ru/@denis0001-dev)
+
+### Вопросы по безопасности, сообщения об узвимостях
+
+Если вдруг вы найдете уязвимость или есть вопрос про безопасность, срочно пишите сюда:
+
+[security@fromchat.ru](mailto:security@fromchat.ru)
+
+О шифровании договоримся, если надо.

backend/services/main/static/public_chat_profile.json

@@ -0,0 +1,5 @@
+{
+  "id": "general",
+  "title": "Общий чат",
+  "bio": "Общаемся со всеми пользователями FromChat!"
+}

backend/services/main/verification_service.py

@@ -0,0 +1,50 @@
+"""Server-side verification status computation."""
+
+from enum import Enum
+
+from sqlalchemy.orm import Session
+
+from .models import User
+from .similarity import is_user_similar_to_verified
+
+
+class VerificationStatus(str, Enum):
+    VERIFIED = "verified"
+    WARNING = "warning"
+    BLOCKED = "blocked"
+    NONE = "none"
+
+
+def get_verified_users_data(db: Session) -> list[dict[str, str]]:
+    verified_users = (
+        db.query(User)
+        .filter(
+            User.verified.is_(True),
+            User.deleted.is_(False),
+            User.suspended.is_(False),
+        )
+        .all()
+    )
+    return [
+        {"username": user.username, "display_name": user.display_name}
+        for user in verified_users
+    ]
+
+
+def compute_verification_status(
+    user: User,
+    verified_users_data: list[dict[str, str]],
+) -> VerificationStatus:
+    if user.deleted:
+        return VerificationStatus.NONE
+    if user.suspended:
+        return VerificationStatus.BLOCKED
+    if user.verified:
+        return VerificationStatus.VERIFIED
+
+    is_similar, _ = is_user_similar_to_verified(
+        user.username,
+        user.display_name,
+        verified_users_data,
+    )
+    return VerificationStatus.WARNING if is_similar else VerificationStatus.NONE

backend/services/main/websocket/handlers.py

@@ -11,6 +11,7 @@ from ..routes.messaging import (
     MessaggingSocketManager,
     _send_message_internal,
     _edit_message_internal,
+    _mark_dm_conversation_read,
     get_messages,
     edit_message,
     delete_message,
@@ -26,6 +27,7 @@ from ..models import (
     DMReactionRequest,
     UpdateLog,
 )
+from ..routes.profile import build_profile_update_payload
 from ..security.audit import log_access, log_dm
 
 logger = logging.getLogger("uvicorn.error")
@@ -110,15 +112,13 @@ async def getUpdates(manager: MessaggingSocketManager, websocket: WebSocket, db:
 @websocket_handler("ping", authRequired=True)
 async def ping(manager: MessaggingSocketManager, websocket: WebSocket, db: Session, user: User, data: dict) -> dict | None:
     """Handle ping - authenticate and set user online."""
-    # Set user online in DB
-    user.online = True
-    user.last_seen = datetime.now()
-    db.commit()
-    # Add to online users
-    manager.online_users.add(user.id)
-    # Broadcast status change
-    await manager.broadcast_status_change(user.id, True, user.last_seen.isoformat(), db)
-    
+    became_online = presence_service.register_connection(user.id, websocket)
+    presence_service.touch(user.id)
+    if became_online:
+        _, last_seen = presence_service.get_presence(user.id)
+        last_seen_iso = last_seen.isoformat() if last_seen else datetime.now().isoformat()
+        await manager.broadcast_status_change(user.id, True, last_seen_iso, db)
+
     log(manager, websocket, user, "ping")
     return {"status": "success"}
 
@@ -138,10 +138,6 @@ async def sendMessage(manager: MessaggingSocketManager, websocket: WebSocket, db
     
     # Call internal function directly (rate limiting is handled at infrastructure level via Caddy)
     response = await _send_message_internal(message_request, user, db, [])
-    await manager.broadcast({
-        "type": "newMessage",
-        "data": response["message"]
-    }, db)
     
     log(manager, websocket, user, "sendMessage", message_id=response["message"]["id"])
     return response
@@ -340,6 +336,32 @@ async def dmDelete(manager: MessaggingSocketManager, websocket: WebSocket, db: S
         username=user.username,
         recipient_id=env.recipient_id,
     )
+
+    return {"status": "ok", "id": env_id}
+
+
+@websocket_handler("dmMarkRead", authRequired=True)
+async def dmMarkRead(manager: MessaggingSocketManager, websocket: WebSocket, db: Session, user: User, data: dict) -> dict | None:
+    """Mark DM envelopes up to the given id as read for the current user."""
+    envelope_id = int(data["id"])
+    env: DMEnvelope | None = db.query(DMEnvelope).filter(DMEnvelope.id == envelope_id).first()
+    if not env:
+        raise HTTPException(status_code=404, detail="DM not found")
+    if env.sender_id != user.id and env.recipient_id != user.id:
+        raise HTTPException(status_code=403, detail="Not a participant in this conversation")
+
+    other_user_id = env.recipient_id if env.sender_id == user.id else env.sender_id
+    last_read = _mark_dm_conversation_read(
+        db,
+        user.id,
+        other_user_id,
+        up_to_envelope_id=envelope_id,
+    )
+    db.commit()
+
+    log(manager, websocket, user, "dmMarkRead", dm_envelope_id=envelope_id, other_user_id=other_user_id)
+    return {"status": "ok", "lastReadEnvelopeId": last_read}
+
     
     return {"status": "ok", "id": env_id}
 
@@ -475,26 +497,39 @@ async def call_screen_share_toggle(manager: MessaggingSocketManager, websocket:
 async def subscribeStatus(manager: MessaggingSocketManager, websocket: WebSocket, db: Session, user: User, data: dict) -> dict | None:
     """Subscribe to status updates for a user."""
     user_id_to_subscribe = int(data["userId"])
-    manager.ws_subscriptions[websocket].add(user_id_to_subscribe)
-    
-    # Get current status of the user
+    manager.ws_subscriptions.setdefault(websocket, set()).add(user_id_to_subscribe)
+
     target_user = db.query(User).filter(User.id == user_id_to_subscribe).first()
-    if target_user:
-        # Send current status directly (not through return value)
-        await websocket.send_json({
-            "type": "statusUpdate",
-            "data": {
-                "userId": user_id_to_subscribe,
-                "online": target_user.online,
-                "lastSeen": target_user.last_seen.isoformat() if target_user.last_seen else None
-            }
-        })
-        log(manager, websocket, user, "subscribeStatus", target_user_id=user_id_to_subscribe)
-        return {"status": "ok"}
-    else:
+    if not target_user:
         log(manager, websocket, user, "subscribeStatus_error", target_user_id=user_id_to_subscribe, error="User not found")
         raise HTTPException(status_code=404, detail="User not found")
 
+    online, last_seen = presence_service.get_presence(user_id_to_subscribe)
+    await websocket.send_json({
+        "type": "statusUpdate",
+        "data": {
+            "userId": user_id_to_subscribe,
+            "online": online,
+            "lastSeen": last_seen.isoformat() if last_seen else None,
+        },
+    })
+
+    try:
+        profile_payload = build_profile_update_payload(target_user, user.id, db)
+        await websocket.send_json({
+            "type": "profileUpdate",
+            "data": profile_payload,
+        })
+    except Exception:
+        logger.exception(
+            "subscribeStatus profile snapshot failed subscriber=%s target=%s",
+            user.id,
+            user_id_to_subscribe,
+        )
+
+    log(manager, websocket, user, "subscribeStatus", target_user_id=user_id_to_subscribe)
+    return {"status": "ok"}
+
 
 @websocket_handler("unsubscribeStatus", authRequired=True)
 async def unsubscribeStatus(manager: MessaggingSocketManager, websocket: WebSocket, db: Session, user: User, data: dict) -> dict | None:

frontend/src/App.tsx

@@ -15,6 +15,8 @@ import { delay } from "./utils/utils";
 const HomePage = lazy(() => import("./pages/home/HomePage"));
 const AuthPage = lazy(() => import("./pages/auth/AuthPage"));
 const ChatPage = lazy(() => import("./pages/chat/ui/ChatPage"));
+const PrivacyPage = lazy(() => import("./pages/legal/LegalPages").then(m => ({ default: m.PrivacyPage })));
+const TermsPage = lazy(() => import("./pages/legal/LegalPages").then(m => ({ default: m.TermsPage })));
 
 const routeConfig: RouteObject[] = [
     { path: "/", element: <HomePage /> },
@@ -22,6 +24,8 @@ const routeConfig: RouteObject[] = [
     { path: "/login", element: <Navigate to="/auth?mode=login" replace /> },
     { path: "/register", element: <Navigate to="/auth?mode=register" replace /> },
     { path: "/download-app", element: <DownloadAppPage /> },
+    { path: "/privacy", element: <PrivacyPage /> },
+    { path: "/terms", element: <TermsPage /> },
     {
         path: "/chat",
         element: (

frontend/src/core/DeletedUserAvatar.tsx

@@ -0,0 +1,23 @@
+import { MaterialIcon } from "@/utils/material";
+import { avatarGradientFromUserId } from "@/core/avatarGradient";
+import styles from "@/pages/chat/css/deleted-user-avatar.module.scss";
+
+interface DeletedUserAvatarProps {
+    userId: number;
+    className?: string;
+    iconClassName?: string;
+}
+
+export function DeletedUserAvatar({ userId, className, iconClassName }: DeletedUserAvatarProps) {
+    return (
+        <div
+            className={className ?? styles.deletedUserAvatar}
+            style={{ background: avatarGradientFromUserId(userId) }}
+        >
+            <MaterialIcon
+                name="account_circle_off--outlined"
+                className={iconClassName ?? styles.deletedUserAvatarIcon}
+            />
+        </div>
+    );
+}

frontend/src/core/api/account/profile.ts

@@ -170,45 +170,6 @@ export async function verifyUser(userId: number, token: string): Promise<{verifi
         return null;
     }
 }
-
-/**
- * In-memory cache for user similarity results
- * Key: userId, Value: similarity result
- */
-const similarityCache = new Map<number, {isSimilar: boolean, similarTo?: string} | null>();
-
-/**
- * Checks if a user is similar to any verified user
- * Results are cached in memory to avoid redundant API calls
- */
-export async function checkUserSimilarity(userId: number, token: string): Promise<{isSimilar: boolean, similarTo?: string} | null> {
-    // Check cache first
-    if (similarityCache.has(userId)) {
-        return similarityCache.get(userId) ?? null;
-    }
-
-    try {
-        const response = await fetch(`${API_BASE_URL}/user/check-similarity/${userId}`, {
-            headers: getAuthHeaders(token, true)
-        });
-
-        let result: {isSimilar: boolean, similarTo?: string} | null = null;
-        if (response.ok) {
-            result = await response.json();
-        }
-
-        // Cache the result (even if null/error)
-        similarityCache.set(userId, result);
-        return result;
-    } catch (error) {
-        console.error('Error checking user similarity:', error);
-        const result: null = null;
-        // Cache null result to avoid retrying on errors
-        similarityCache.set(userId, result);
-        return result;
-    }
-}
-
 /**
  * Suspends a user account (admin only)
  */

frontend/src/core/api/profileApi.ts

@@ -170,45 +170,6 @@ export async function verifyUser(userId: number, token: string): Promise<{verifi
         return null;
     }
 }
-
-/**
- * In-memory cache for user similarity results
- * Key: userId, Value: similarity result
- */
-const similarityCache = new Map<number, {isSimilar: boolean, similarTo?: string} | null>();
-
-/**
- * Checks if a user is similar to any verified user
- * Results are cached in memory to avoid redundant API calls
- */
-export async function checkUserSimilarity(userId: number, token: string): Promise<{isSimilar: boolean, similarTo?: string} | null> {
-    // Check cache first
-    if (similarityCache.has(userId)) {
-        return similarityCache.get(userId) ?? null;
-    }
-
-    try {
-        const response = await fetch(`${API_BASE_URL}/user/check-similarity/${userId}`, {
-            headers: getAuthHeaders(token)
-        });
-
-        let result: {isSimilar: boolean, similarTo?: string} | null = null;
-        if (response.ok) {
-            result = await response.json();
-        }
-
-        // Cache the result (even if null/error)
-        similarityCache.set(userId, result);
-        return result;
-    } catch (error) {
-        console.error('Error checking user similarity:', error);
-        const result: null = null;
-        // Cache null result to avoid retrying on errors
-        similarityCache.set(userId, result);
-        return result;
-    }
-}
-
 /**
  * Suspends a user account (admin only)
  */

frontend/src/core/api/user/profile.ts

@@ -150,42 +150,3 @@ export async function fetchById(token: string, userId: number): Promise<UserProf
     }
 }
 
-/**
- * In-memory cache for user similarity results
- * Key: userId, Value: similarity result
- */
-const similarityCache = new Map<number, {isSimilar: boolean, similarTo?: string} | null>();
-
-/**
- * Checks if a user is similar to any verified user
- * Results are cached in memory to avoid redundant API calls
- */
-export async function checkSimilarity(userId: number, token: string): Promise<{isSimilar: boolean, similarTo?: string} | null> {
-    // Check cache first
-    if (similarityCache.has(userId)) {
-        return similarityCache.get(userId) ?? null;
-    }
-
-    try {
-        const response = await fetch(`${API_BASE_URL}/user/check-similarity/${userId}`, {
-            headers: getAuthHeaders(token, true)
-        });
-
-        let result: {isSimilar: boolean, similarTo?: string} | null = null;
-        if (response.ok) {
-            result = await response.json();
-        }
-
-        // Cache the result (even if null/error)
-        similarityCache.set(userId, result);
-        return result;
-    } catch (error) {
-        console.error('Error checking user similarity:', error);
-        const result: null = null;
-        // Cache null result to avoid retrying on errors
-        similarityCache.set(userId, result);
-        return result;
-    }
-}
-
-

frontend/src/core/avatarGradient.ts

@@ -0,0 +1,22 @@
+/** Java [String.hashCode] for cross-platform parity with Android avatar gradients. */
+function javaStringHashCode(value: string): number {
+    let hash = 0;
+    for (let i = 0; i < value.length; i++) {
+        hash = (Math.imul(31, hash) + value.charCodeAt(i)) | 0;
+    }
+    return hash;
+}
+
+function rgbFromHash(hash: number, offset: number): string {
+    const r = Math.abs(hash % 256);
+    const g = Math.abs(Math.floor(hash / 256) % 256);
+    const b = Math.abs(Math.floor(hash / 65536) % 256);
+    const clamp = (channel: number) => Math.min(255, Math.max(0, channel));
+    return `rgb(${clamp(r + offset)}, ${clamp(g + offset)}, ${clamp(b + offset)})`;
+}
+
+/** CSS linear-gradient matching [generateGradientFromName] on Android for a user id seed. */
+export function avatarGradientFromUserId(userId: number): string {
+    const hash = javaStringHashCode(String(userId));
+    return `linear-gradient(135deg, ${rgbFromHash(hash, 100)}, ${rgbFromHash(hash, 50)})`;
+}

frontend/src/core/components/StatusBadge.tsx

@@ -1,37 +1,32 @@
-import { useState, useEffect } from "react";
-import api from "@/core/api";
-import { useUserStore } from "@/state/user";
 import { MaterialIcon } from "@/utils/material";
 
+export type VerificationStatus = "verified" | "warning" | "blocked" | "none";
+
 interface StatusBadgeProps {
-    verified: boolean;
-    userId?: number;
+    verificationStatus?: VerificationStatus | null;
+    /** @deprecated Use verificationStatus instead */
+    verified?: boolean;
     size?: "small" | "medium" | "large";
 }
 
-export function StatusBadge({ verified, userId, size = "small" }: StatusBadgeProps) {
-    const [isSimilarToVerified, setIsSimilarToVerified] = useState(false);
-    const { user } = useUserStore();
-    
+function resolveVerificationStatus(
+    verificationStatus?: VerificationStatus | null,
+    verified?: boolean,
+): VerificationStatus {
+    if (verificationStatus) {
+        return verificationStatus;
+    }
+    if (verified) {
+        return "verified";
+    }
+    return "none";
+}
+
+export function StatusBadge({ verificationStatus, verified, size = "small" }: StatusBadgeProps) {
+    const status = resolveVerificationStatus(verificationStatus, verified);
     const className = `status-badge ${size}`;
 
-    // Check similarity for unverified users
-    useEffect(() => {
-        if (!verified && userId && user.authToken) {
-            api.user.profile.checkSimilarity(userId, user.authToken)
-                .then(result => {
-                    setIsSimilarToVerified(result?.isSimilar || false);
-                })
-                .catch(error => {
-                    console.error('Error checking similarity:', error);
-                    setIsSimilarToVerified(false);
-                });
-        } else {
-            setIsSimilarToVerified(false);
-        }
-    }, [verified, userId, user.authToken]);
-
-    if (verified) {
+    if (status === "verified") {
         return (
             <span className={`${className} verified`} title="Подтверждённый аккаунт">
                 <MaterialIcon name="verified--filled" />
@@ -39,7 +34,7 @@ export function StatusBadge({ verified, userId, size = "small" }: StatusBadgePro
         );
     }
 
-    if (isSimilarToVerified) {
+    if (status === "warning") {
         return (
             <span className={`${className} warning`} title="Похож на подтверждённый аккаунт">
                 <MaterialIcon name="warning--filled" />
@@ -47,6 +42,13 @@ export function StatusBadge({ verified, userId, size = "small" }: StatusBadgePro
         );
     }
 
-    // Don't show anything if not verified and not similar
+    if (status === "blocked") {
+        return (
+            <span className={`${className} blocked`} title="Аккаунт заблокирован">
+                <MaterialIcon name="block--filled" />
+            </span>
+        );
+    }
+
     return null;
-}
+}

frontend/src/core/legal/LegalInlineLinks.tsx

@@ -0,0 +1,13 @@
+import { Link } from "react-router-dom";
+import legalStyles from "@/core/legal/legal.module.scss";
+
+export function LegalInlineLinks() {
+    return (
+        <p className={legalStyles.legalInlineLinks}>
+            Регистрируясь, вы соглашаетесь с{" "}
+            <Link to="/terms">пользовательским соглашением</Link>
+            <span className={legalStyles.legalInlineLinksSep}>·</span>
+            <Link to="/privacy">политикой конфиденциальности</Link>
+        </p>
+    );
+}

frontend/src/core/legal/LegalMarkdownPage.tsx

@@ -0,0 +1,197 @@
+import { useCallback, useEffect, useMemo, useState, type MouseEvent } from "react";
+import { useNavigate } from "react-router-dom";
+import { parse } from "marked";
+import { escape as escapeHtml } from "he";
+import { MaterialButton, MaterialIcon } from "@/utils/material";
+import { fitPathToUnitSquare, getMaterialShapePath } from "./materialShapes";
+import { legalMaterialIconName, parseLegalMarkdown, type LegalSection } from "./fcDirective";
+import { rewriteLegalDocumentHref, rewriteLegalLinksInHtml } from "./legalLinks";
+import {
+    loadLegalDocument,
+    type LegalDocumentKind,
+} from "./legalDocumentLoader";
+import { LegalPageShell } from "./LegalPageShell";
+import styles from "./legal.module.scss";
+
+const CACHED_BANNER_TEXT =
+    "Показана сохранённая копия документа. Содержимое может быть устаревшим.";
+
+function wrapMarkdownTables(html: string): string {
+    return html.replace(
+        /<table\b[^>]*>[\s\S]*?<\/table>/gi,
+        (table) => `<div class="legalTableScroll">${table}</div>`,
+    );
+}
+
+function renderMarkdownBody(markdown: string): string {
+    const html = parse(markdown, { breaks: true, gfm: true }) as string;
+    return wrapMarkdownTables(rewriteLegalLinksInHtml(html));
+}
+
+function ExpressiveSectionHeader({
+    section,
+}: {
+    section: LegalSection;
+}) {
+    const shapePath = useMemo(
+        () => getMaterialShapePath(section.directive.shape),
+        [section.directive.shape],
+    );
+    const shapeFit = useMemo(
+        () => fitPathToUnitSquare(shapePath),
+        [shapePath],
+    );
+    const iconName = legalMaterialIconName(section.directive.icon);
+
+    return (
+        <div className={styles.sectionHeader}>
+            <div className={styles.sectionIconFrame}>
+                <svg
+                    viewBox="0 0 1 1"
+                    className={styles.sectionIconShape}
+                    aria-hidden="true"
+                >
+                    <g transform={shapeFit.transform}>
+                        <path d={shapePath} className={styles.sectionShapeFill} />
+                    </g>
+                </svg>
+                <MaterialIcon name={iconName} className={styles.sectionIconGlyph} />
+            </div>
+            <h2 className={styles.sectionTitle}>{section.title}</h2>
+        </div>
+    );
+}
+
+interface LegalMarkdownPageProps {
+    kind: LegalDocumentKind;
+}
+
+export function LegalMarkdownPage({ kind }: LegalMarkdownPageProps) {
+    const navigate = useNavigate();
+    const [loadAttempt, setLoadAttempt] = useState(0);
+    const [markdown, setMarkdown] = useState<string | null>(null);
+    const [isCached, setIsCached] = useState(false);
+    const [error, setError] = useState<string | null>(null);
+    const [loading, setLoading] = useState(true);
+
+    const handleContentClick = useCallback((event: MouseEvent<HTMLDivElement>) => {
+        const anchor = (event.target as HTMLElement).closest("a");
+        if (!anchor) return;
+
+        const href = anchor.getAttribute("href");
+        if (!href) return;
+
+        const clientRoute = rewriteLegalDocumentHref(href) ?? (
+            href === "/terms" || href === "/privacy" ? href : null
+        );
+        if (!clientRoute) return;
+
+        event.preventDefault();
+        navigate(clientRoute);
+    }, [navigate]);
+
+    const retry = useCallback(() => {
+        setLoadAttempt((attempt) => attempt + 1);
+    }, []);
+
+    useEffect(() => {
+        let cancelled = false;
+        const abortController = new AbortController();
+
+        setMarkdown(null);
+        setError(null);
+        setIsCached(false);
+        setLoading(true);
+
+        loadLegalDocument(kind, abortController.signal)
+            .then((result) => {
+                if (cancelled) return;
+
+                if (result.status === "error") {
+                    setError(result.message);
+                    return;
+                }
+
+                setMarkdown(result.markdown);
+                setIsCached(result.fromCache);
+            })
+            .catch((e: unknown) => {
+                if (cancelled || (e instanceof DOMException && e.name === "AbortError")) {
+                    return;
+                }
+                setError("Не удалось загрузить документ. Проверьте подключение к интернету и попробуйте снова.");
+            })
+            .finally(() => {
+                if (!cancelled) {
+                    setLoading(false);
+                }
+            });
+
+        return () => {
+            cancelled = true;
+            abortController.abort();
+        };
+    }, [kind, loadAttempt]);
+
+    const content = (() => {
+        if (loading) {
+            return (
+                <div className={styles.legalPage}>
+                    <p className={styles.loading}>Загрузка…</p>
+                </div>
+            );
+        }
+
+        if (error) {
+            return (
+                <div className={styles.legalPage}>
+                    <div className={styles.errorState}>
+                        <p className={styles.error}>{escapeHtml(error)}</p>
+                        <MaterialButton onClick={retry}>Повторить</MaterialButton>
+                    </div>
+                </div>
+            );
+        }
+
+        if (!markdown) {
+            return (
+                <div className={styles.legalPage}>
+                    <p className={styles.loading}>Загрузка…</p>
+                </div>
+            );
+        }
+
+        const { preamble, sections } = parseLegalMarkdown(markdown);
+
+        return (
+            <div className={styles.legalPage} onClick={handleContentClick}>
+                {isCached ? (
+                    <div className={styles.cachedBanner} role="status">
+                        {CACHED_BANNER_TEXT}
+                    </div>
+                ) : null}
+
+                {preamble ? (
+                    <div
+                        className={styles.preamble}
+                        dangerouslySetInnerHTML={{ __html: renderMarkdownBody(preamble) }}
+                    />
+                ) : null}
+
+                {sections.map((section, index) => (
+                    <section key={`${section.title}-${index}`} className={styles.section}>
+                        <ExpressiveSectionHeader section={section} />
+                        <div
+                            className={styles.sectionBody}
+                            dangerouslySetInnerHTML={{ __html: renderMarkdownBody(section.bodyMarkdown) }}
+                        />
+                    </section>
+                ))}
+            </div>
+        );
+    })();
+
+    return <LegalPageShell>{content}</LegalPageShell>;
+}
+
+export type { LegalDocumentKind };

frontend/src/core/legal/LegalPageShell.tsx

@@ -0,0 +1,26 @@
+import type { ReactNode } from "react";
+import { useNavigate } from "react-router-dom";
+import { HomeHeader } from "@/pages/home/HomeHeader";
+import { HomeFooter } from "@/pages/home/HomeFooter";
+import homeStyles from "@/pages/home/home.module.scss";
+import styles from "./legal.module.scss";
+
+interface LegalPageShellProps {
+    children: ReactNode;
+}
+
+export function LegalPageShell({ children }: LegalPageShellProps) {
+    const navigate = useNavigate();
+
+    const scrollToDownload = () => {
+        navigate("/");
+    };
+
+    return (
+        <div className={homeStyles.homepage}>
+            <HomeHeader onScrollToDownload={scrollToDownload} />
+            <main className={styles.legalMain}>{children}</main>
+            <HomeFooter onScrollToDownload={scrollToDownload} />
+        </div>
+    );
+}

frontend/src/core/legal/fcDirective.ts

@@ -0,0 +1,84 @@
+/**
+ * Parses `<!-- fc:shape=Cookie4Sided icon=shield -->` directives before section headers.
+ */
+
+export interface FcSectionDirective {
+    shape: string;
+    icon: string;
+}
+
+const FC_DIRECTIVE_RE = /<!--\s*fc:([^>]+?)\s*-->/i;
+
+function parseDirectiveBody(body: string): FcSectionDirective | null {
+    const shapeMatch = body.match(/shape=([A-Za-z0-9_]+)/);
+    const iconMatch = body.match(/icon=([A-Za-z0-9_-]+)/);
+    if (!shapeMatch || !iconMatch) return null;
+    return { shape: shapeMatch[1], icon: iconMatch[1] };
+}
+
+export function parseFcDirective(line: string): FcSectionDirective | null {
+    const match = line.match(FC_DIRECTIVE_RE);
+    if (!match) return null;
+    return parseDirectiveBody(match[1]);
+}
+
+export interface LegalSection {
+    directive: FcSectionDirective;
+    title: string;
+    bodyMarkdown: string;
+}
+
+/**
+ * Split markdown into sections keyed by fc directives + `##` headings.
+ */
+export function parseLegalMarkdown(markdown: string): { preamble: string; sections: LegalSection[] } {
+    const lines = markdown.replace(/\r\n/g, "\n").split("\n");
+    const preambleLines: string[] = [];
+    const sections: LegalSection[] = [];
+
+    let i = 0;
+    while (i < lines.length) {
+        const directive = parseFcDirective(lines[i]);
+        if (directive && i + 1 < lines.length && lines[i + 1].startsWith("## ")) {
+            const title = lines[i + 1].slice(3).trim();
+            i += 2;
+            const bodyLines: string[] = [];
+            while (i < lines.length) {
+                if (parseFcDirective(lines[i]) && i + 1 < lines.length && lines[i + 1].startsWith("## ")) {
+                    break;
+                }
+                bodyLines.push(lines[i]);
+                i += 1;
+            }
+            sections.push({
+                directive,
+                title,
+                bodyMarkdown: bodyLines.join("\n").trim(),
+            });
+        } else if (sections.length === 0) {
+            preambleLines.push(lines[i]);
+            i += 1;
+        } else {
+            i += 1;
+        }
+    }
+
+    return {
+        preamble: preambleLines.join("\n").trim(),
+        sections,
+    };
+}
+
+export function staticIconUrl(icon: string): string {
+    return `/api/static/icons/${encodeURIComponent(icon)}.webp`;
+}
+
+/** Maps legal-doc icon keys to Material Symbols names (Google Fonts). */
+const LEGAL_MATERIAL_ICON: Record<string, string> = {
+    privacy: "privacy_tip",
+    terms: "contract",
+};
+
+export function legalMaterialIconName(icon: string): string {
+    return LEGAL_MATERIAL_ICON[icon] ?? icon;
+}

frontend/src/core/legal/legal.module.scss

@@ -0,0 +1,236 @@
+@use "../../css/material" as *;
+
+.legalMain {
+    flex: 1;
+    width: 100%;
+}
+
+.legalPage {
+    max-width: 720px;
+    margin: 0 auto;
+    padding: 32px 20px 64px;
+    color: $color-dark-on-surface;
+}
+
+.loading,
+.error {
+    font-size: 1rem;
+    color: $color-dark-on-surface-variant;
+    text-align: center;
+}
+
+.error {
+    color: $color-dark-error;
+}
+
+.errorState {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    gap: 16px;
+}
+
+.cachedBanner {
+    margin-bottom: 24px;
+    padding: 12px 16px;
+    border-radius: 12px;
+    background: $color-dark-secondary-container;
+    color: $color-dark-on-secondary-container;
+    font-size: 0.875rem;
+    line-height: 1.45;
+    text-align: center;
+}
+
+.preamble {
+    margin-bottom: 36px;
+    font-size: 0.95rem;
+    line-height: 1.55;
+    color: $color-dark-on-surface-variant;
+    text-align: center;
+
+    :global(blockquote) {
+        margin: 0;
+        padding: 0;
+        border: none;
+    }
+
+    :global(p) {
+        margin: 0 0 0.75em;
+    }
+
+    :global(.legalTableScroll) {
+        overflow-x: auto;
+        -webkit-overflow-scrolling: touch;
+        margin: 0 0 0.75em;
+        max-width: 100%;
+        text-align: left;
+    }
+
+    :global(table) {
+        width: max-content;
+        min-width: 100%;
+        border-collapse: collapse;
+        font-size: 0.9rem;
+    }
+
+    :global(th),
+    :global(td) {
+        padding: 8px 12px;
+        text-align: left;
+        vertical-align: top;
+        border: 1px solid $color-dark-outline-variant;
+    }
+
+    :global(th) {
+        font-weight: 600;
+        background: $color-dark-surface-container-low;
+    }
+}
+
+.section {
+    margin-bottom: 40px;
+}
+
+.sectionHeader {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    text-align: center;
+    gap: 12px;
+    margin-bottom: 16px;
+}
+
+$expressive-hero-shape-size: 110px;
+$expressive-hero-icon-size: 50px;
+
+.sectionIconFrame {
+    width: $expressive-hero-shape-size;
+    height: $expressive-hero-shape-size;
+    position: relative;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    flex-shrink: 0;
+}
+
+.sectionIconShape {
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    width: $expressive-hero-shape-size;
+    height: $expressive-hero-shape-size;
+    transform: translate(-50%, -50%);
+    display: block;
+}
+
+.sectionShapeFill {
+    fill: $color-dark-primary-container;
+}
+
+.sectionIconGlyph {
+    font-size: $expressive-hero-icon-size !important;
+    width: $expressive-hero-icon-size !important;
+    height: $expressive-hero-icon-size !important;
+    position: relative;
+    z-index: 1;
+    color: $color-dark-on-primary-container;
+}
+
+.sectionTitle {
+    margin: 0;
+    font-size: 1.25rem;
+    font-weight: 600;
+    line-height: 1.3;
+}
+
+.sectionBody {
+    font-size: 0.95rem;
+    line-height: 1.55;
+
+    :global(h3) {
+        font-size: calc((0.95rem + 1.25rem) / 2);
+        font-weight: 600;
+        line-height: 1.4;
+        margin: 1.25em 0 0.5em;
+
+        &:first-child {
+            margin-top: 0;
+        }
+    }
+
+    :global(h2) {
+        font-size: 1.125rem;
+        font-weight: 600;
+        line-height: 1.35;
+        margin: 1.5em 0 0.5em;
+
+        &:first-child {
+            margin-top: 0;
+        }
+    }
+
+    :global(p) {
+        margin: 0 0 0.75em;
+    }
+
+    :global(ul),
+    :global(ol) {
+        margin: 0 0 0.75em;
+        padding-left: 1.25em;
+    }
+
+    :global(li) {
+        margin-bottom: 0.35em;
+    }
+
+    :global(a) {
+        color: $color-dark-primary;
+    }
+
+    :global(.legalTableScroll) {
+        overflow-x: auto;
+        -webkit-overflow-scrolling: touch;
+        margin: 0 0 0.75em;
+        max-width: 100%;
+    }
+
+    :global(table) {
+        width: max-content;
+        min-width: 100%;
+        border-collapse: collapse;
+        font-size: 0.9rem;
+    }
+
+    :global(th),
+    :global(td) {
+        padding: 8px 12px;
+        text-align: left;
+        vertical-align: top;
+        border: 1px solid $color-dark-outline-variant;
+    }
+
+    :global(th) {
+        font-weight: 600;
+        background: $color-dark-surface-container-low;
+    }
+}
+
+.legalInlineLinks {
+    font-size: 0.875rem;
+    color: $color-dark-on-surface-variant;
+    margin-top: 12px;
+
+    a {
+        color: $color-dark-primary;
+        text-decoration: none;
+
+        &:hover {
+            text-decoration: underline;
+        }
+    }
+}
+
+.legalInlineLinksSep {
+    margin: 0 6px;
+    opacity: 0.5;
+}

frontend/src/core/legal/legalDocumentLoader.ts

@@ -0,0 +1,81 @@
+import { delay } from "@/utils/utils";
+
+export type LegalDocumentKind = "privacy" | "terms";
+
+export const LEGAL_DOCUMENT_PATH: Record<LegalDocumentKind, string> = {
+    privacy: "/api/static/PRIVACY.md",
+    terms: "/api/static/TERMS.md",
+};
+
+const RETRY_WINDOW_MS = 5000;
+const RETRY_DELAY_MS = 1000;
+
+const CACHE_KEY: Record<LegalDocumentKind, string> = {
+    privacy: "fromchat:legal:privacy",
+    terms: "fromchat:legal:terms",
+};
+
+export type LegalDocumentLoadResult =
+    | { status: "success"; markdown: string; fromCache: false }
+    | { status: "cached"; markdown: string; fromCache: true }
+    | { status: "error"; message: string };
+
+function readCache(kind: LegalDocumentKind): string | null {
+    try {
+        return localStorage.getItem(CACHE_KEY[kind]);
+    } catch {
+        return null;
+    }
+}
+
+function writeCache(kind: LegalDocumentKind, markdown: string): void {
+    try {
+        localStorage.setItem(CACHE_KEY[kind], markdown);
+    } catch {
+        // best-effort
+    }
+}
+
+async function fetchOnce(path: string): Promise<string> {
+    const response = await fetch(path);
+    if (!response.ok) {
+        throw new Error(`HTTP ${response.status}`);
+    }
+    return response.text();
+}
+
+export async function loadLegalDocument(
+    kind: LegalDocumentKind,
+    signal?: AbortSignal,
+): Promise<LegalDocumentLoadResult> {
+    const path = LEGAL_DOCUMENT_PATH[kind];
+    const start = Date.now();
+
+    while (true) {
+        if (signal?.aborted) {
+            throw new DOMException("Aborted", "AbortError");
+        }
+
+        try {
+            const markdown = await fetchOnce(path);
+            writeCache(kind, markdown);
+            return { status: "success", markdown, fromCache: false };
+        } catch {
+            const elapsed = Date.now() - start;
+            if (elapsed >= RETRY_WINDOW_MS) {
+                break;
+            }
+            await delay(RETRY_DELAY_MS);
+        }
+    }
+
+    const cached = readCache(kind);
+    if (cached != null && cached.length > 0) {
+        return { status: "cached", markdown: cached, fromCache: true };
+    }
+
+    return {
+        status: "error",
+        message: "Не удалось загрузить документ. Проверьте подключение к интернету и попробуйте снова.",
+    };
+}

frontend/src/core/legal/legalLinks.ts

@@ -0,0 +1,19 @@
+const LEGAL_STATIC_LINK_RE = /(?:^|\/)?(?:api\/)?static\/(TERMS|PRIVACY)\.md$/i;
+
+/**
+ * Maps static legal markdown API paths to client routes.
+ * Returns null when the href is not a legal document link.
+ */
+export function rewriteLegalDocumentHref(href: string): string | null {
+    const path = href.replace(/\\/g, "/").split("?")[0].split("#")[0].replace(/\/+$/, "");
+    const match = path.match(LEGAL_STATIC_LINK_RE);
+    if (!match) return null;
+    return match[1].toUpperCase() === "TERMS" ? "/terms" : "/privacy";
+}
+
+export function rewriteLegalLinksInHtml(html: string): string {
+    return html.replace(/href="([^"]+)"/g, (full, href: string) => {
+        const rewritten = rewriteLegalDocumentHref(href);
+        return rewritten ? `href="${rewritten}"` : full;
+    });
+}

frontend/src/core/legal/materialShapes.generated.ts

@@ -0,0 +1,39 @@
+/** Auto-generated from MaterialShapes via Robolectric — do not edit. */
+
+export const MATERIAL_SHAPE_PATHS: Record<string, string> = {
+  "Arch": "M 0.146 0.146 L 0.181 0.114 L 0.22 0.085 L 0.261 0.06 L 0.305 0.039 L 0.351 0.022 L 0.399 0.01 L 0.448 0.002 L 0.5 0 L 0.551 0.002 L 0.6 0.01 L 0.648 0.022 L 0.694 0.039 L 0.738 0.06 L 0.779 0.085 L 0.818 0.114 L 0.853 0.146 L 0.885 0.181 L 0.914 0.22 L 0.939 0.261 L 0.96 0.305 L 0.977 0.351 L 0.989 0.399 L 0.997 0.448 L 0.999 0.5 L 1 0.858 L 0.997 0.887 L 0.988 0.913 L 0.975 0.937 L 0.958 0.958 L 0.937 0.975 L 0.913 0.988 L 0.887 0.997 L 0.858 1 L 0.141 0.999 L 0.112 0.997 L 0.086 0.988 L 0.062 0.975 L 0.041 0.958 L 0.024 0.937 L 0.011 0.913 L 0.002 0.887 L 0 0.858 L 0 0.5 L 0.002 0.448 L 0.01 0.399 L 0.022 0.351 L 0.039 0.305 L 0.06 0.261 L 0.085 0.22 L 0.114 0.181 L 0.146 0.146 L 0.146 0.146 Z",
+  "Arrow": "M 0.499 0.836 L 0.468 0.838 L 0.438 0.843 L 0.277 0.878 L 0.249 0.882 L 0.221 0.882 L 0.194 0.878 L 0.169 0.87 L 0.146 0.858 L 0.125 0.844 L 0.106 0.827 L 0.09 0.807 L 0.077 0.785 L 0.066 0.762 L 0.059 0.738 L 0.055 0.712 L 0.055 0.686 L 0.059 0.659 L 0.068 0.633 L 0.081 0.607 L 0.172 0.452 L 0.269 0.291 L 0.311 0.227 L 0.349 0.175 L 0.386 0.135 L 0.422 0.106 L 0.459 0.089 L 0.498 0.083 L 0.537 0.089 L 0.575 0.106 L 0.611 0.135 L 0.648 0.175 L 0.686 0.227 L 0.728 0.29 L 0.825 0.451 L 0.916 0.602 L 0.929 0.629 L 0.938 0.656 L 0.942 0.683 L 0.942 0.71 L 0.938 0.737 L 0.931 0.762 L 0.92 0.785 L 0.906 0.808 L 0.889 0.827 L 0.87 0.845 L 0.848 0.86 L 0.824 0.871 L 0.799 0.879 L 0.772 0.884 L 0.743 0.884 L 0.713 0.879 L 0.56 0.843 L 0.529 0.838 L 0.499 0.836 L 0.499 0.836 Z",
+  "Boom": "M 0.454 0.287 L 0.459 0.281 L 0.493 0.01 L 0.495 0.006 L 0.5 0.004 L 0.504 0.006 L 0.506 0.01 L 0.541 0.281 L 0.546 0.287 L 0.553 0.284 L 0.694 0.05 L 0.698 0.047 L 0.703 0.048 L 0.706 0.051 L 0.707 0.056 L 0.628 0.317 L 0.63 0.325 L 0.638 0.325 L 0.862 0.169 L 0.867 0.167 L 0.871 0.17 L 0.873 0.174 L 0.871 0.179 L 0.693 0.385 L 0.692 0.394 L 0.699 0.397 L 0.967 0.345 L 0.972 0.346 L 0.975 0.35 L 0.975 0.355 L 0.971 0.358 L 0.725 0.474 L 0.721 0.481 L 0.726 0.488 L 0.991 0.549 L 0.996 0.552 L 0.997 0.557 L 0.995 0.561 L 0.99 0.563 L 0.717 0.569 L 0.711 0.573 L 0.713 0.581 L 0.931 0.745 L 0.933 0.75 L 0.933 0.754 L 0.929 0.758 L 0.924 0.757 L 0.672 0.652 L 0.664 0.653 L 0.664 0.661 L 0.795 0.9 L 0.796 0.905 L 0.793 0.909 L 0.789 0.91 L 0.784 0.908 L 0.598 0.709 L 0.59 0.708 L 0.585 0.714 L 0.609 0.986 L 0.607 0.991 L 0.603 0.994 L 0.599 0.993 L 0.595 0.989 L 0.506 0.731 L 0.499 0.727 L 0.493 0.731 L 0.404 0.989 L 0.4 0.993 L 0.395 0.994 L 0.391 0.991 L 0.39 0.986 L 0.413 0.714 L 0.409 0.707 L 0.401 0.709 L 0.215 0.908 L 0.21 0.91 L 0.206 0.909 L 0.203 0.905 L 0.204 0.9 L 0.335 0.661 L 0.334 0.653 L 0.326 0.651 L 0.075 0.757 L 0.07 0.757 L 0.066 0.754 L 0.065 0.75 L 0.068 0.745 L 0.286 0.58 L 0.288 0.573 L 0.282 0.568 L 0.009 0.563 L 0.004 0.561 L 0.002 0.557 L 0.003 0.552 L 0.008 0.549 L 0.273 0.487 L 0.279 0.481 L 0.275 0.474 L 0.028 0.358 L 0.024 0.355 L 0.024 0.35 L 0.027 0.346 L 0.032 0.345 L 0.3 0.396 L 0.307 0.393 L 0.306 0.385 L 0.128 0.179 L 0.126 0.174 L 0.128 0.17 L 0.132 0.167 L 0.137 0.169 L 0.361 0.324 L 0.369 0.324 L 0.372 0.317 L 0.292 0.056 L 0.293 0.051 L 0.296 0.047 L 0.301 0.047 L 0.305 0.05 L 0.446 0.284 L 0.454 0.287 L 0.454 0.287 Z",
+  "Bun": "M 0.796 0.5 L 0.806 0.503 L 0.85 0.522 L 0.89 0.548 L 0.912 0.569 L 0.932 0.592 L 0.949 0.617 L 0.962 0.643 L 0.973 0.671 L 0.98 0.7 L 0.983 0.731 L 0.983 0.761 L 0.983 0.762 L 0.975 0.81 L 0.958 0.855 L 0.934 0.896 L 0.903 0.931 L 0.866 0.96 L 0.824 0.981 L 0.778 0.995 L 0.729 1 L 0.27 1 L 0.221 0.995 L 0.175 0.981 L 0.133 0.96 L 0.096 0.931 L 0.065 0.896 L 0.041 0.855 L 0.024 0.81 L 0.016 0.762 L 0.016 0.761 L 0.016 0.731 L 0.019 0.7 L 0.026 0.671 L 0.037 0.643 L 0.05 0.617 L 0.067 0.592 L 0.087 0.569 L 0.109 0.548 L 0.149 0.522 L 0.193 0.503 L 0.203 0.5 L 0.193 0.496 L 0.149 0.477 L 0.109 0.451 L 0.087 0.43 L 0.067 0.407 L 0.05 0.382 L 0.037 0.356 L 0.026 0.328 L 0.019 0.299 L 0.016 0.268 L 0.016 0.238 L 0.016 0.237 L 0.024 0.189 L 0.041 0.144 L 0.065 0.103 L 0.096 0.068 L 0.133 0.039 L 0.175 0.018 L 0.221 0.004 L 0.27 0 L 0.729 0 L 0.778 0.004 L 0.824 0.018 L 0.866 0.039 L 0.903 0.068 L 0.934 0.103 L 0.958 0.144 L 0.975 0.189 L 0.983 0.237 L 0.983 0.238 L 0.983 0.268 L 0.98 0.299 L 0.973 0.328 L 0.962 0.356 L 0.949 0.382 L 0.932 0.407 L 0.912 0.43 L 0.89 0.451 L 0.85 0.477 L 0.806 0.496 L 0.796 0.5 L 0.796 0.5 Z",
+  "Burst": "M 0.5 0 L 0.505 0.003 L 0.588 0.152 L 0.592 0.155 L 0.597 0.154 L 0.743 0.067 L 0.749 0.067 L 0.752 0.072 L 0.75 0.243 L 0.752 0.247 L 0.756 0.249 L 0.926 0.247 L 0.932 0.25 L 0.932 0.256 L 0.844 0.403 L 0.844 0.407 L 0.847 0.411 L 0.995 0.494 L 0.998 0.499 L 0.995 0.504 L 0.846 0.588 L 0.844 0.592 L 0.844 0.596 L 0.932 0.742 L 0.932 0.748 L 0.926 0.751 L 0.755 0.749 L 0.751 0.751 L 0.749 0.755 L 0.752 0.926 L 0.749 0.931 L 0.743 0.931 L 0.596 0.844 L 0.591 0.843 L 0.588 0.846 L 0.505 0.995 L 0.499 0.998 L 0.494 0.995 L 0.411 0.846 L 0.407 0.843 L 0.402 0.844 L 0.256 0.931 L 0.25 0.931 L 0.247 0.926 L 0.249 0.755 L 0.247 0.751 L 0.243 0.749 L 0.073 0.751 L 0.067 0.748 L 0.067 0.742 L 0.155 0.595 L 0.155 0.591 L 0.152 0.587 L 0.004 0.504 L 0.001 0.499 L 0.004 0.494 L 0.153 0.41 L 0.155 0.406 L 0.155 0.402 L 0.067 0.256 L 0.067 0.249 L 0.073 0.246 L 0.244 0.249 L 0.248 0.247 L 0.25 0.243 L 0.247 0.072 L 0.25 0.067 L 0.256 0.067 L 0.403 0.154 L 0.408 0.155 L 0.411 0.152 L 0.494 0.003 L 0.5 0 L 0.5 0 Z",
+  "Circle": "M 1 0.5 L 0.998 0.538 L 0.993 0.577 L 0.986 0.615 L 0.975 0.653 L 0.962 0.689 L 0.945 0.725 L 0.926 0.759 L 0.905 0.791 L 0.881 0.821 L 0.854 0.85 L 0.826 0.876 L 0.795 0.901 L 0.763 0.922 L 0.728 0.942 L 0.693 0.958 L 0.657 0.971 L 0.619 0.982 L 0.581 0.989 L 0.543 0.994 L 0.504 0.995 L 0.464 0.994 L 0.426 0.989 L 0.388 0.982 L 0.35 0.971 L 0.314 0.958 L 0.279 0.942 L 0.245 0.922 L 0.212 0.901 L 0.181 0.876 L 0.153 0.85 L 0.126 0.821 L 0.102 0.791 L 0.081 0.759 L 0.062 0.725 L 0.045 0.689 L 0.032 0.653 L 0.021 0.615 L 0.014 0.577 L 0.009 0.538 L 0.008 0.499 L 0.009 0.461 L 0.014 0.422 L 0.021 0.384 L 0.032 0.346 L 0.045 0.31 L 0.062 0.274 L 0.081 0.24 L 0.102 0.208 L 0.126 0.178 L 0.153 0.149 L 0.181 0.123 L 0.212 0.098 L 0.245 0.077 L 0.279 0.057 L 0.314 0.041 L 0.35 0.028 L 0.388 0.017 L 0.426 0.01 L 0.464 0.005 L 0.504 0.004 L 0.543 0.005 L 0.581 0.01 L 0.619 0.017 L 0.657 0.028 L 0.693 0.041 L 0.728 0.057 L 0.763 0.077 L 0.795 0.098 L 0.826 0.123 L 0.854 0.149 L 0.881 0.178 L 0.905 0.208 L 0.926 0.24 L 0.945 0.274 L 0.962 0.31 L 0.975 0.346 L 0.986 0.384 L 0.993 0.422 L 0.998 0.461 L 1 0.5 L 1 0.5 Z",
+  "ClamShell": "M 0.187 0.815 L 0.154 0.79 L 0.129 0.756 L 0.023 0.567 L 0.01 0.534 L 0.005 0.499 L 0.01 0.465 L 0.023 0.432 L 0.128 0.243 L 0.153 0.209 L 0.186 0.184 L 0.224 0.168 L 0.266 0.162 L 0.733 0.162 L 0.774 0.168 L 0.812 0.184 L 0.845 0.209 L 0.87 0.243 L 0.976 0.432 L 0.989 0.465 L 0.994 0.5 L 0.989 0.534 L 0.976 0.567 L 0.871 0.756 L 0.846 0.79 L 0.813 0.815 L 0.775 0.831 L 0.733 0.837 L 0.266 0.837 L 0.225 0.831 L 0.187 0.815 L 0.187 0.815 Z",
+  "Clover4Leaf": "M 0.5 0.098 L 0.514 0.086 L 0.558 0.058 L 0.606 0.039 L 0.655 0.029 L 0.706 0.028 L 0.755 0.036 L 0.803 0.052 L 0.848 0.077 L 0.888 0.111 L 0.922 0.151 L 0.947 0.196 L 0.963 0.244 L 0.971 0.293 L 0.97 0.344 L 0.96 0.393 L 0.941 0.441 L 0.913 0.485 L 0.901 0.5 L 0.913 0.514 L 0.941 0.558 L 0.96 0.606 L 0.97 0.655 L 0.971 0.706 L 0.963 0.755 L 0.947 0.803 L 0.922 0.848 L 0.888 0.888 L 0.848 0.922 L 0.803 0.947 L 0.755 0.963 L 0.706 0.971 L 0.655 0.97 L 0.606 0.96 L 0.558 0.941 L 0.514 0.913 L 0.5 0.901 L 0.485 0.913 L 0.441 0.941 L 0.393 0.96 L 0.344 0.97 L 0.293 0.971 L 0.244 0.963 L 0.196 0.947 L 0.151 0.922 L 0.111 0.888 L 0.077 0.848 L 0.052 0.803 L 0.036 0.755 L 0.028 0.706 L 0.029 0.655 L 0.039 0.606 L 0.058 0.558 L 0.086 0.514 L 0.098 0.5 L 0.086 0.485 L 0.058 0.441 L 0.039 0.393 L 0.029 0.344 L 0.028 0.293 L 0.036 0.244 L 0.052 0.196 L 0.077 0.151 L 0.111 0.111 L 0.151 0.077 L 0.196 0.052 L 0.244 0.036 L 0.293 0.028 L 0.344 0.029 L 0.393 0.039 L 0.441 0.058 L 0.485 0.086 L 0.5 0.098 L 0.5 0.098 Z",
+  "Clover8Leaf": "M 0.499 0.071 L 0.521 0.059 L 0.564 0.043 L 0.607 0.037 L 0.649 0.04 L 0.69 0.053 L 0.726 0.074 L 0.758 0.103 L 0.783 0.139 L 0.799 0.182 L 0.803 0.196 L 0.826 0.204 L 0.868 0.222 L 0.903 0.248 L 0.93 0.281 L 0.95 0.318 L 0.961 0.359 L 0.962 0.402 L 0.954 0.445 L 0.936 0.487 L 0.928 0.499 L 0.94 0.521 L 0.956 0.564 L 0.962 0.607 L 0.959 0.649 L 0.946 0.69 L 0.925 0.726 L 0.896 0.758 L 0.86 0.783 L 0.817 0.799 L 0.803 0.803 L 0.795 0.826 L 0.777 0.868 L 0.751 0.903 L 0.718 0.93 L 0.681 0.95 L 0.64 0.961 L 0.597 0.962 L 0.554 0.954 L 0.512 0.936 L 0.499 0.928 L 0.478 0.94 L 0.435 0.956 L 0.392 0.962 L 0.35 0.959 L 0.309 0.946 L 0.273 0.925 L 0.241 0.896 L 0.216 0.86 L 0.2 0.817 L 0.196 0.803 L 0.173 0.795 L 0.131 0.777 L 0.096 0.751 L 0.069 0.718 L 0.049 0.681 L 0.038 0.64 L 0.037 0.597 L 0.045 0.554 L 0.063 0.512 L 0.071 0.499 L 0.059 0.478 L 0.043 0.435 L 0.037 0.392 L 0.04 0.35 L 0.053 0.309 L 0.074 0.273 L 0.103 0.241 L 0.139 0.216 L 0.182 0.2 L 0.196 0.196 L 0.204 0.173 L 0.222 0.131 L 0.248 0.096 L 0.281 0.069 L 0.318 0.049 L 0.359 0.038 L 0.402 0.037 L 0.445 0.045 L 0.487 0.063 L 0.499 0.071 L 0.499 0.071 Z",
+  "Cookie12Sided": "M 0.5 0.005 L 0.519 0.007 L 0.537 0.012 L 0.554 0.022 L 0.57 0.036 L 0.59 0.053 L 0.615 0.063 L 0.641 0.066 L 0.668 0.062 L 0.688 0.058 L 0.708 0.058 L 0.727 0.062 L 0.744 0.07 L 0.76 0.081 L 0.773 0.096 L 0.783 0.113 L 0.79 0.132 L 0.799 0.157 L 0.815 0.179 L 0.836 0.195 L 0.862 0.204 L 0.881 0.211 L 0.898 0.221 L 0.912 0.234 L 0.924 0.25 L 0.931 0.267 L 0.936 0.286 L 0.936 0.306 L 0.932 0.326 L 0.927 0.352 L 0.931 0.379 L 0.941 0.403 L 0.958 0.424 L 0.972 0.44 L 0.981 0.457 L 0.987 0.475 L 0.989 0.494 L 0.987 0.513 L 0.981 0.532 L 0.972 0.549 L 0.958 0.564 L 0.941 0.585 L 0.931 0.61 L 0.927 0.636 L 0.932 0.663 L 0.936 0.683 L 0.936 0.703 L 0.931 0.722 L 0.924 0.739 L 0.912 0.755 L 0.898 0.768 L 0.881 0.778 L 0.862 0.784 L 0.836 0.794 L 0.815 0.81 L 0.799 0.831 L 0.79 0.857 L 0.783 0.876 L 0.773 0.893 L 0.76 0.907 L 0.744 0.918 L 0.727 0.926 L 0.708 0.931 L 0.688 0.931 L 0.668 0.927 L 0.641 0.922 L 0.615 0.925 L 0.59 0.936 L 0.57 0.953 L 0.554 0.967 L 0.537 0.976 L 0.519 0.982 L 0.499 0.984 L 0.48 0.982 L 0.462 0.976 L 0.445 0.967 L 0.429 0.953 L 0.409 0.936 L 0.384 0.925 L 0.358 0.922 L 0.331 0.927 L 0.311 0.931 L 0.291 0.931 L 0.272 0.926 L 0.255 0.918 L 0.239 0.907 L 0.226 0.893 L 0.216 0.876 L 0.209 0.857 L 0.2 0.831 L 0.184 0.81 L 0.163 0.794 L 0.137 0.784 L 0.118 0.778 L 0.101 0.768 L 0.087 0.755 L 0.075 0.739 L 0.068 0.722 L 0.063 0.703 L 0.063 0.683 L 0.067 0.663 L 0.072 0.636 L 0.068 0.61 L 0.058 0.585 L 0.041 0.564 L 0.027 0.549 L 0.018 0.532 L 0.012 0.513 L 0.01 0.494 L 0.012 0.475 L 0.018 0.457 L 0.027 0.44 L 0.041 0.424 L 0.058 0.403 L 0.068 0.379 L 0.072 0.352 L 0.067 0.326 L 0.063 0.306 L 0.063 0.286 L 0.068 0.267 L 0.075 0.25 L 0.087 0.234 L 0.101 0.221 L 0.118 0.211 L 0.137 0.204 L 0.163 0.195 L 0.184 0.179 L 0.2 0.157 L 0.209 0.132 L 0.216 0.113 L 0.226 0.096 L 0.239 0.081 L 0.255 0.07 L 0.272 0.062 L 0.291 0.058 L 0.311 0.058 L 0.331 0.062 L 0.358 0.066 L 0.384 0.063 L 0.409 0.053 L 0.429 0.036 L 0.445 0.022 L 0.462 0.012 L 0.48 0.007 L 0.5 0.005 L 0.5 0.005 Z",
+  "Cookie4Sided": "M 0.871 0.87 L 0.847 0.892 L 0.819 0.909 L 0.79 0.923 L 0.759 0.932 L 0.726 0.937 L 0.692 0.936 L 0.657 0.93 L 0.621 0.918 L 0.581 0.9 L 0.541 0.888 L 0.5 0.884 L 0.459 0.888 L 0.419 0.901 L 0.378 0.918 L 0.343 0.93 L 0.308 0.936 L 0.274 0.937 L 0.241 0.932 L 0.21 0.923 L 0.18 0.91 L 0.153 0.892 L 0.129 0.871 L 0.108 0.846 L 0.09 0.819 L 0.076 0.79 L 0.067 0.758 L 0.062 0.725 L 0.063 0.691 L 0.069 0.657 L 0.081 0.621 L 0.099 0.581 L 0.111 0.541 L 0.115 0.5 L 0.111 0.458 L 0.099 0.419 L 0.081 0.378 L 0.069 0.343 L 0.063 0.308 L 0.062 0.274 L 0.067 0.241 L 0.076 0.21 L 0.09 0.18 L 0.107 0.153 L 0.128 0.129 L 0.153 0.107 L 0.18 0.09 L 0.209 0.076 L 0.241 0.067 L 0.274 0.062 L 0.308 0.063 L 0.343 0.069 L 0.378 0.081 L 0.419 0.099 L 0.459 0.111 L 0.5 0.115 L 0.541 0.111 L 0.581 0.098 L 0.621 0.081 L 0.656 0.069 L 0.691 0.063 L 0.725 0.062 L 0.758 0.067 L 0.789 0.076 L 0.819 0.089 L 0.846 0.107 L 0.87 0.128 L 0.892 0.153 L 0.909 0.18 L 0.923 0.209 L 0.932 0.241 L 0.937 0.274 L 0.936 0.308 L 0.93 0.342 L 0.918 0.378 L 0.901 0.418 L 0.888 0.458 L 0.884 0.499 L 0.888 0.541 L 0.901 0.58 L 0.918 0.621 L 0.93 0.656 L 0.937 0.691 L 0.937 0.725 L 0.933 0.758 L 0.923 0.789 L 0.91 0.819 L 0.892 0.846 L 0.871 0.87 L 0.871 0.87 Z",
+  "Cookie6Sided": "M 0.716 0.872 L 0.692 0.889 L 0.669 0.908 L 0.668 0.909 L 0.63 0.939 L 0.589 0.96 L 0.545 0.973 L 0.5 0.977 L 0.454 0.972 L 0.41 0.96 L 0.369 0.938 L 0.331 0.909 L 0.309 0.89 L 0.285 0.873 L 0.259 0.86 L 0.231 0.851 L 0.229 0.85 L 0.185 0.832 L 0.145 0.807 L 0.112 0.775 L 0.086 0.738 L 0.067 0.697 L 0.056 0.652 L 0.054 0.606 L 0.061 0.559 L 0.066 0.53 L 0.068 0.501 L 0.067 0.471 L 0.061 0.443 L 0.061 0.441 L 0.054 0.393 L 0.056 0.347 L 0.067 0.302 L 0.086 0.261 L 0.112 0.224 L 0.146 0.192 L 0.185 0.167 L 0.229 0.149 L 0.257 0.14 L 0.283 0.127 L 0.307 0.11 L 0.33 0.091 L 0.331 0.09 L 0.369 0.06 L 0.41 0.039 L 0.454 0.026 L 0.499 0.022 L 0.545 0.027 L 0.589 0.039 L 0.63 0.061 L 0.668 0.09 L 0.69 0.109 L 0.714 0.126 L 0.74 0.139 L 0.768 0.148 L 0.77 0.149 L 0.814 0.167 L 0.854 0.192 L 0.887 0.224 L 0.913 0.261 L 0.932 0.302 L 0.943 0.347 L 0.945 0.393 L 0.938 0.44 L 0.933 0.469 L 0.931 0.498 L 0.932 0.528 L 0.938 0.556 L 0.938 0.558 L 0.945 0.606 L 0.943 0.652 L 0.932 0.697 L 0.913 0.738 L 0.887 0.775 L 0.853 0.807 L 0.814 0.832 L 0.77 0.85 L 0.742 0.859 L 0.716 0.872 L 0.716 0.872 Z",
+  "Cookie7Sided": "M 0.5 0.021 L 0.536 0.025 L 0.571 0.035 L 0.604 0.053 L 0.634 0.077 L 0.659 0.098 L 0.686 0.114 L 0.716 0.125 L 0.748 0.132 L 0.785 0.14 L 0.82 0.155 L 0.85 0.176 L 0.875 0.202 L 0.895 0.233 L 0.909 0.267 L 0.916 0.304 L 0.916 0.342 L 0.915 0.374 L 0.919 0.406 L 0.929 0.436 L 0.944 0.465 L 0.961 0.499 L 0.97 0.536 L 0.973 0.572 L 0.968 0.609 L 0.956 0.643 L 0.938 0.676 L 0.914 0.704 L 0.884 0.728 L 0.858 0.747 L 0.836 0.77 L 0.818 0.797 L 0.805 0.826 L 0.789 0.861 L 0.767 0.891 L 0.739 0.916 L 0.708 0.935 L 0.674 0.947 L 0.637 0.953 L 0.6 0.952 L 0.562 0.943 L 0.531 0.935 L 0.5 0.932 L 0.468 0.935 L 0.437 0.943 L 0.399 0.952 L 0.362 0.953 L 0.325 0.947 L 0.291 0.935 L 0.26 0.916 L 0.232 0.891 L 0.21 0.861 L 0.194 0.826 L 0.181 0.797 L 0.163 0.77 L 0.141 0.747 L 0.115 0.728 L 0.085 0.704 L 0.061 0.676 L 0.043 0.643 L 0.031 0.609 L 0.026 0.572 L 0.029 0.536 L 0.038 0.499 L 0.055 0.465 L 0.07 0.436 L 0.08 0.406 L 0.084 0.374 L 0.083 0.342 L 0.083 0.304 L 0.09 0.267 L 0.104 0.233 L 0.124 0.202 L 0.149 0.176 L 0.179 0.155 L 0.214 0.14 L 0.251 0.132 L 0.283 0.125 L 0.313 0.114 L 0.34 0.098 L 0.365 0.077 L 0.395 0.053 L 0.428 0.035 L 0.463 0.025 L 0.5 0.021 L 0.5 0.021 Z",
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+  "PuffyDiamond": "M 0.778 0.221 L 0.8 0.249 L 0.815 0.281 L 0.821 0.318 L 0.818 0.356 L 0.818 0.356 L 0.833 0.354 L 0.865 0.353 L 0.896 0.359 L 0.924 0.372 L 0.949 0.389 L 0.97 0.411 L 0.986 0.438 L 0.996 0.467 L 1 0.499 L 0.996 0.532 L 0.986 0.561 L 0.97 0.588 L 0.949 0.61 L 0.924 0.627 L 0.896 0.64 L 0.865 0.646 L 0.833 0.645 L 0.818 0.643 L 0.818 0.643 L 0.821 0.681 L 0.815 0.718 L 0.8 0.75 L 0.778 0.778 L 0.75 0.8 L 0.718 0.815 L 0.681 0.821 L 0.643 0.818 L 0.643 0.818 L 0.645 0.833 L 0.646 0.865 L 0.64 0.896 L 0.627 0.924 L 0.61 0.949 L 0.588 0.97 L 0.561 0.986 L 0.532 0.996 L 0.499 1 L 0.467 0.996 L 0.438 0.986 L 0.411 0.97 L 0.389 0.949 L 0.372 0.924 L 0.359 0.896 L 0.353 0.865 L 0.354 0.833 L 0.356 0.818 L 0.356 0.818 L 0.318 0.821 L 0.281 0.815 L 0.249 0.8 L 0.221 0.778 L 0.199 0.75 L 0.184 0.718 L 0.178 0.681 L 0.181 0.643 L 0.181 0.642 L 0.166 0.645 L 0.134 0.646 L 0.103 0.64 L 0.075 0.627 L 0.05 0.61 L 0.029 0.588 L 0.013 0.561 L 0.003 0.532 L 0 0.499 L 0.003 0.467 L 0.013 0.438 L 0.029 0.411 L 0.05 0.389 L 0.075 0.372 L 0.103 0.359 L 0.134 0.353 L 0.166 0.354 L 0.181 0.356 L 0.181 0.356 L 0.178 0.318 L 0.184 0.281 L 0.199 0.249 L 0.221 0.221 L 0.249 0.199 L 0.281 0.184 L 0.318 0.178 L 0.356 0.181 L 0.357 0.181 L 0.354 0.166 L 0.353 0.134 L 0.359 0.103 L 0.372 0.075 L 0.389 0.05 L 0.411 0.029 L 0.438 0.013 L 0.467 0.003 L 0.5 0 L 0.532 0.003 L 0.561 0.013 L 0.588 0.029 L 0.61 0.05 L 0.627 0.075 L 0.64 0.103 L 0.646 0.134 L 0.645 0.166 L 0.643 0.181 L 0.643 0.181 L 0.681 0.178 L 0.718 0.184 L 0.75 0.199 L 0.778 0.221 L 0.778 0.221 Z",
+  "SemiCircle": "M 0.969 0.781 L 0.954 0.794 L 0.936 0.804 L 0.916 0.81 L 0.895 0.812 L 0.104 0.812 L 0.083 0.81 L 0.063 0.804 L 0.045 0.794 L 0.03 0.781 L 0.017 0.766 L 0.008 0.748 L 0.002 0.729 L 0 0.708 L 0 0.687 L 0.002 0.636 L 0.01 0.586 L 0.022 0.538 L 0.039 0.492 L 0.06 0.449 L 0.085 0.407 L 0.114 0.369 L 0.146 0.333 L 0.181 0.301 L 0.22 0.272 L 0.261 0.247 L 0.305 0.226 L 0.351 0.209 L 0.399 0.197 L 0.448 0.19 L 0.5 0.187 L 0.551 0.19 L 0.6 0.197 L 0.648 0.209 L 0.694 0.226 L 0.738 0.247 L 0.779 0.272 L 0.818 0.301 L 0.853 0.333 L 0.885 0.369 L 0.914 0.407 L 0.939 0.449 L 0.96 0.492 L 0.977 0.538 L 0.989 0.586 L 0.997 0.636 L 1 0.687 L 1 0.708 L 0.997 0.729 L 0.991 0.748 L 0.982 0.766 L 0.969 0.781 L 0.969 0.781 Z",
+  "Slanted": "M 0.875 0.914 L 0.85 0.933 L 0.832 0.942 L 0.812 0.949 L 0.762 0.958 L 0.698 0.961 L 0.613 0.961 L 0.201 0.96 L 0.185 0.959 L 0.147 0.954 L 0.112 0.942 L 0.08 0.923 L 0.054 0.899 L 0.032 0.87 L 0.017 0.837 L 0.008 0.801 L 0.007 0.762 L 0.009 0.746 L 0.05 0.341 L 0.059 0.257 L 0.068 0.193 L 0.082 0.145 L 0.091 0.125 L 0.102 0.108 L 0.124 0.085 L 0.149 0.066 L 0.167 0.057 L 0.187 0.05 L 0.237 0.041 L 0.301 0.038 L 0.386 0.038 L 0.798 0.039 L 0.814 0.04 L 0.852 0.045 L 0.887 0.057 L 0.919 0.076 L 0.945 0.1 L 0.967 0.129 L 0.982 0.162 L 0.991 0.198 L 0.992 0.237 L 0.99 0.253 L 0.949 0.658 L 0.94 0.742 L 0.931 0.806 L 0.917 0.854 L 0.908 0.874 L 0.897 0.891 L 0.875 0.914 L 0.875 0.914 Z",
+  "SoftBoom": "M 0.733 0.453 L 0.793 0.444 L 0.84 0.439 L 0.887 0.441 L 0.923 0.445 L 0.949 0.451 L 0.974 0.463 L 0.98 0.466 L 0.994 0.48 L 0.999 0.5 L 0.994 0.52 L 0.98 0.535 L 0.974 0.538 L 0.949 0.549 L 0.922 0.555 L 0.887 0.559 L 0.84 0.561 L 0.793 0.556 L 0.733 0.546 L 0.792 0.56 L 0.837 0.574 L 0.88 0.594 L 0.911 0.611 L 0.934 0.627 L 0.952 0.647 L 0.956 0.652 L 0.964 0.671 L 0.961 0.691 L 0.949 0.708 L 0.93 0.716 L 0.923 0.717 L 0.896 0.717 L 0.869 0.713 L 0.835 0.703 L 0.791 0.686 L 0.749 0.664 L 0.698 0.632 L 0.746 0.667 L 0.783 0.698 L 0.815 0.733 L 0.837 0.76 L 0.852 0.783 L 0.861 0.809 L 0.863 0.815 L 0.863 0.836 L 0.853 0.854 L 0.835 0.864 L 0.814 0.864 L 0.808 0.862 L 0.782 0.853 L 0.759 0.838 L 0.732 0.816 L 0.697 0.783 L 0.667 0.747 L 0.632 0.698 L 0.663 0.749 L 0.685 0.791 L 0.702 0.836 L 0.712 0.87 L 0.716 0.897 L 0.715 0.924 L 0.714 0.93 L 0.706 0.949 L 0.69 0.962 L 0.67 0.964 L 0.651 0.957 L 0.646 0.953 L 0.626 0.934 L 0.61 0.911 L 0.593 0.88 L 0.573 0.837 L 0.559 0.792 L 0.546 0.733 L 0.555 0.793 L 0.56 0.84 L 0.558 0.887 L 0.554 0.923 L 0.548 0.949 L 0.536 0.974 L 0.533 0.98 L 0.519 0.994 L 0.499 0.999 L 0.479 0.994 L 0.464 0.98 L 0.461 0.974 L 0.45 0.949 L 0.444 0.922 L 0.44 0.887 L 0.438 0.84 L 0.443 0.793 L 0.453 0.733 L 0.439 0.792 L 0.425 0.837 L 0.405 0.88 L 0.388 0.911 L 0.372 0.934 L 0.352 0.952 L 0.347 0.956 L 0.328 0.964 L 0.308 0.961 L 0.291 0.949 L 0.283 0.93 L 0.282 0.923 L 0.282 0.896 L 0.286 0.869 L 0.296 0.835 L 0.313 0.791 L 0.335 0.749 L 0.367 0.698 L 0.332 0.746 L 0.301 0.783 L 0.266 0.815 L 0.239 0.837 L 0.216 0.852 L 0.19 0.861 L 0.184 0.863 L 0.163 0.863 L 0.145 0.853 L 0.135 0.835 L 0.135 0.814 L 0.137 0.808 L 0.146 0.782 L 0.161 0.759 L 0.183 0.732 L 0.216 0.697 L 0.252 0.667 L 0.301 0.632 L 0.25 0.663 L 0.208 0.685 L 0.163 0.702 L 0.129 0.712 L 0.102 0.716 L 0.075 0.715 L 0.069 0.714 L 0.05 0.706 L 0.037 0.69 L 0.035 0.67 L 0.042 0.651 L 0.046 0.646 L 0.065 0.626 L 0.088 0.61 L 0.119 0.593 L 0.162 0.573 L 0.207 0.559 L 0.266 0.546 L 0.206 0.555 L 0.159 0.56 L 0.112 0.558 L 0.076 0.554 L 0.05 0.548 L 0.025 0.536 L 0.019 0.533 L 0.005 0.519 L 0 0.499 L 0.005 0.479 L 0.019 0.464 L 0.025 0.461 L 0.05 0.45 L 0.077 0.444 L 0.112 0.44 L 0.159 0.438 L 0.206 0.443 L 0.266 0.453 L 0.207 0.439 L 0.162 0.425 L 0.119 0.405 L 0.088 0.388 L 0.065 0.372 L 0.047 0.352 L 0.043 0.347 L 0.035 0.328 L 0.038 0.308 L 0.05 0.291 L 0.069 0.283 L 0.076 0.282 L 0.103 0.282 L 0.13 0.286 L 0.164 0.296 L 0.208 0.313 L 0.25 0.335 L 0.301 0.367 L 0.253 0.332 L 0.216 0.301 L 0.184 0.266 L 0.162 0.239 L 0.147 0.216 L 0.138 0.19 L 0.136 0.184 L 0.136 0.163 L 0.146 0.145 L 0.164 0.135 L 0.185 0.135 L 0.191 0.137 L 0.217 0.146 L 0.24 0.161 L 0.267 0.183 L 0.302 0.216 L 0.332 0.252 L 0.367 0.301 L 0.336 0.25 L 0.314 0.208 L 0.297 0.163 L 0.287 0.129 L 0.283 0.102 L 0.284 0.075 L 0.285 0.069 L 0.293 0.05 L 0.309 0.037 L 0.329 0.035 L 0.348 0.042 L 0.353 0.046 L 0.373 0.065 L 0.389 0.088 L 0.406 0.119 L 0.426 0.162 L 0.44 0.207 L 0.453 0.266 L 0.444 0.206 L 0.439 0.159 L 0.441 0.112 L 0.445 0.076 L 0.451 0.05 L 0.463 0.025 L 0.466 0.019 L 0.48 0.005 L 0.5 0 L 0.52 0.005 L 0.535 0.019 L 0.538 0.025 L 0.549 0.05 L 0.555 0.077 L 0.559 0.112 L 0.561 0.159 L 0.556 0.206 L 0.546 0.266 L 0.56 0.207 L 0.574 0.162 L 0.594 0.119 L 0.611 0.088 L 0.627 0.065 L 0.647 0.047 L 0.652 0.043 L 0.671 0.035 L 0.691 0.038 L 0.708 0.05 L 0.716 0.069 L 0.717 0.076 L 0.717 0.103 L 0.713 0.13 L 0.703 0.164 L 0.686 0.208 L 0.664 0.25 L 0.632 0.301 L 0.667 0.253 L 0.698 0.216 L 0.733 0.184 L 0.76 0.162 L 0.783 0.147 L 0.809 0.138 L 0.815 0.136 L 0.836 0.136 L 0.854 0.146 L 0.864 0.164 L 0.864 0.185 L 0.862 0.191 L 0.853 0.217 L 0.838 0.24 L 0.816 0.267 L 0.783 0.302 L 0.747 0.332 L 0.698 0.367 L 0.749 0.336 L 0.791 0.314 L 0.836 0.297 L 0.87 0.287 L 0.897 0.283 L 0.924 0.284 L 0.93 0.285 L 0.949 0.293 L 0.962 0.309 L 0.964 0.329 L 0.957 0.348 L 0.953 0.353 L 0.934 0.373 L 0.911 0.389 L 0.88 0.406 L 0.837 0.426 L 0.792 0.44 L 0.733 0.453 L 0.733 0.453 Z",
+  "SoftBurst": "M 0.186 0.272 L 0.194 0.256 L 0.196 0.238 L 0.189 0.148 L 0.19 0.134 L 0.194 0.121 L 0.201 0.111 L 0.21 0.102 L 0.221 0.096 L 0.234 0.092 L 0.247 0.092 L 0.26 0.096 L 0.344 0.13 L 0.362 0.134 L 0.38 0.131 L 0.396 0.123 L 0.408 0.109 L 0.455 0.032 L 0.464 0.022 L 0.474 0.014 L 0.486 0.009 L 0.499 0.008 L 0.512 0.009 L 0.524 0.014 L 0.534 0.021 L 0.543 0.032 L 0.591 0.109 L 0.603 0.123 L 0.619 0.131 L 0.637 0.134 L 0.655 0.13 L 0.738 0.095 L 0.751 0.092 L 0.765 0.092 L 0.777 0.095 L 0.788 0.101 L 0.798 0.11 L 0.805 0.121 L 0.809 0.133 L 0.81 0.147 L 0.803 0.237 L 0.805 0.256 L 0.813 0.272 L 0.826 0.284 L 0.842 0.292 L 0.93 0.313 L 0.943 0.318 L 0.954 0.326 L 0.962 0.336 L 0.967 0.347 L 0.97 0.36 L 0.969 0.372 L 0.965 0.385 L 0.957 0.397 L 0.899 0.466 L 0.89 0.482 L 0.887 0.499 L 0.89 0.517 L 0.899 0.533 L 0.957 0.602 L 0.965 0.613 L 0.969 0.626 L 0.97 0.639 L 0.967 0.651 L 0.962 0.663 L 0.954 0.673 L 0.943 0.68 L 0.93 0.685 L 0.842 0.707 L 0.826 0.715 L 0.813 0.727 L 0.805 0.743 L 0.803 0.761 L 0.81 0.851 L 0.809 0.865 L 0.805 0.878 L 0.798 0.888 L 0.789 0.897 L 0.778 0.903 L 0.765 0.907 L 0.752 0.907 L 0.739 0.903 L 0.655 0.869 L 0.637 0.865 L 0.619 0.868 L 0.603 0.876 L 0.591 0.89 L 0.544 0.967 L 0.535 0.977 L 0.525 0.985 L 0.513 0.99 L 0.5 0.991 L 0.487 0.99 L 0.475 0.985 L 0.465 0.978 L 0.456 0.967 L 0.408 0.89 L 0.396 0.876 L 0.38 0.868 L 0.362 0.865 L 0.344 0.869 L 0.261 0.904 L 0.248 0.907 L 0.234 0.907 L 0.222 0.904 L 0.211 0.898 L 0.201 0.889 L 0.194 0.878 L 0.19 0.866 L 0.189 0.852 L 0.196 0.762 L 0.194 0.743 L 0.186 0.727 L 0.173 0.715 L 0.157 0.707 L 0.069 0.686 L 0.056 0.681 L 0.045 0.673 L 0.037 0.663 L 0.032 0.652 L 0.029 0.639 L 0.03 0.627 L 0.034 0.614 L 0.042 0.602 L 0.1 0.533 L 0.109 0.517 L 0.112 0.5 L 0.109 0.482 L 0.1 0.466 L 0.042 0.397 L 0.034 0.386 L 0.03 0.373 L 0.029 0.36 L 0.032 0.348 L 0.037 0.336 L 0.045 0.326 L 0.056 0.319 L 0.069 0.314 L 0.157 0.292 L 0.173 0.284 L 0.186 0.272 L 0.186 0.272 Z",
+  "Square": "M 0.912 0.912 L 0.867 0.948 L 0.816 0.976 L 0.76 0.993 L 0.73 0.998 L 0.7 1 L 0.3 1 L 0.269 0.998 L 0.239 0.993 L 0.183 0.976 L 0.132 0.948 L 0.087 0.912 L 0.051 0.867 L 0.023 0.816 L 0.006 0.76 L 0.001 0.73 L 0 0.7 L 0 0.3 L 0.001 0.269 L 0.006 0.239 L 0.023 0.183 L 0.051 0.132 L 0.087 0.087 L 0.132 0.051 L 0.183 0.023 L 0.239 0.006 L 0.269 0.001 L 0.3 0 L 0.7 0 L 0.73 0.001 L 0.76 0.006 L 0.816 0.023 L 0.867 0.051 L 0.912 0.087 L 0.948 0.132 L 0.976 0.183 L 0.993 0.239 L 0.998 0.269 L 1 0.3 L 1 0.7 L 0.998 0.73 L 0.993 0.76 L 0.976 0.816 L 0.948 0.867 L 0.912 0.912 L 0.912 0.912 Z",
+  "Sunny": "M 0.996 0.5 L 0.992 0.526 L 0.978 0.55 L 0.902 0.639 L 0.889 0.66 L 0.884 0.683 L 0.874 0.8 L 0.867 0.827 L 0.852 0.849 L 0.83 0.864 L 0.803 0.871 L 0.686 0.881 L 0.663 0.886 L 0.642 0.899 L 0.553 0.975 L 0.529 0.989 L 0.503 0.993 L 0.476 0.989 L 0.452 0.975 L 0.363 0.899 L 0.342 0.886 L 0.319 0.881 L 0.202 0.871 L 0.175 0.864 L 0.153 0.849 L 0.138 0.827 L 0.131 0.8 L 0.122 0.683 L 0.116 0.66 L 0.103 0.639 L 0.027 0.55 L 0.013 0.526 L 0.009 0.499 L 0.013 0.473 L 0.027 0.449 L 0.103 0.36 L 0.116 0.339 L 0.122 0.316 L 0.131 0.199 L 0.138 0.172 L 0.153 0.15 L 0.175 0.135 L 0.202 0.128 L 0.319 0.118 L 0.342 0.113 L 0.363 0.1 L 0.452 0.024 L 0.476 0.01 L 0.503 0.006 L 0.529 0.01 L 0.553 0.024 L 0.642 0.1 L 0.663 0.113 L 0.686 0.118 L 0.803 0.128 L 0.83 0.135 L 0.852 0.15 L 0.867 0.172 L 0.874 0.199 L 0.884 0.316 L 0.889 0.339 L 0.902 0.36 L 0.978 0.449 L 0.992 0.473 L 0.996 0.5 L 0.996 0.5 Z",
+  "Triangle": "M 0.5 0.077 L 0.532 0.081 L 0.563 0.094 L 0.59 0.114 L 0.612 0.142 L 0.95 0.727 L 0.963 0.76 L 0.967 0.794 L 0.962 0.827 L 0.95 0.857 L 0.93 0.883 L 0.904 0.903 L 0.873 0.917 L 0.837 0.922 L 0.162 0.922 L 0.126 0.917 L 0.095 0.903 L 0.069 0.883 L 0.049 0.857 L 0.037 0.827 L 0.032 0.794 L 0.036 0.76 L 0.049 0.727 L 0.387 0.142 L 0.409 0.114 L 0.436 0.094 L 0.467 0.081 L 0.5 0.077 L 0.5 0.077 Z",
+  "VerySunny": "M 0.5 0.993 L 0.479 0.99 L 0.46 0.983 L 0.443 0.97 L 0.429 0.953 L 0.393 0.893 L 0.376 0.873 L 0.353 0.859 L 0.328 0.853 L 0.302 0.855 L 0.234 0.872 L 0.212 0.875 L 0.191 0.871 L 0.172 0.863 L 0.155 0.85 L 0.143 0.834 L 0.134 0.815 L 0.131 0.794 L 0.134 0.772 L 0.151 0.704 L 0.153 0.678 L 0.147 0.652 L 0.133 0.63 L 0.113 0.613 L 0.053 0.577 L 0.036 0.563 L 0.023 0.546 L 0.015 0.527 L 0.013 0.506 L 0.015 0.486 L 0.023 0.466 L 0.036 0.449 L 0.053 0.435 L 0.113 0.399 L 0.133 0.382 L 0.147 0.36 L 0.153 0.335 L 0.151 0.308 L 0.134 0.241 L 0.131 0.218 L 0.134 0.197 L 0.143 0.178 L 0.155 0.162 L 0.172 0.149 L 0.191 0.141 L 0.212 0.138 L 0.234 0.14 L 0.302 0.157 L 0.328 0.16 L 0.353 0.153 L 0.375 0.14 L 0.393 0.12 L 0.428 0.06 L 0.442 0.042 L 0.46 0.03 L 0.479 0.022 L 0.499 0.02 L 0.52 0.022 L 0.539 0.03 L 0.556 0.042 L 0.57 0.06 L 0.606 0.12 L 0.623 0.14 L 0.646 0.153 L 0.671 0.16 L 0.697 0.157 L 0.765 0.14 L 0.787 0.138 L 0.808 0.141 L 0.827 0.149 L 0.844 0.162 L 0.856 0.178 L 0.865 0.197 L 0.868 0.218 L 0.865 0.241 L 0.848 0.308 L 0.846 0.335 L 0.852 0.36 L 0.866 0.382 L 0.886 0.399 L 0.946 0.435 L 0.963 0.449 L 0.976 0.466 L 0.984 0.486 L 0.986 0.506 L 0.984 0.527 L 0.976 0.546 L 0.963 0.563 L 0.946 0.577 L 0.886 0.613 L 0.866 0.63 L 0.852 0.652 L 0.846 0.678 L 0.848 0.704 L 0.865 0.772 L 0.868 0.794 L 0.865 0.815 L 0.856 0.834 L 0.844 0.85 L 0.827 0.863 L 0.808 0.871 L 0.787 0.875 L 0.765 0.872 L 0.697 0.855 L 0.671 0.853 L 0.646 0.859 L 0.624 0.872 L 0.606 0.893 L 0.571 0.953 L 0.557 0.97 L 0.539 0.983 L 0.52 0.99 L 0.5 0.993 L 0.5 0.993 Z",
+};

frontend/src/core/legal/materialShapes.ts

@@ -0,0 +1,130 @@
+/** Material expressive shape SVG paths — generated from Compose MaterialShapes. */
+
+export { MATERIAL_SHAPE_PATHS } from "./materialShapes.generated";
+
+import { MATERIAL_SHAPE_PATHS } from "./materialShapes.generated";
+
+export type MaterialShapeName = keyof typeof MATERIAL_SHAPE_PATHS;
+
+export function getMaterialShapePath(name: string): string {
+    return MATERIAL_SHAPE_PATHS[name] ?? MATERIAL_SHAPE_PATHS.Circle;
+}
+
+interface PathBounds {
+    minX: number;
+    minY: number;
+    maxX: number;
+    maxY: number;
+}
+
+export interface PathUnitSquareFit {
+    transform: string;
+}
+
+const pathFitCache = new Map<string, PathUnitSquareFit>();
+
+/**
+ * Parses M/L/Z path commands and returns axis-aligned bounds of all vertices.
+ * Generated Material shape paths use only these commands.
+ */
+function computePathBounds(pathD: string): PathBounds {
+    const tokens = pathD.trim().match(/[MLZmlz]|[-+]?(?:\d*\.\d+|\d+)(?:[eE][-+]?\d+)?/g);
+    if (!tokens?.length) {
+        return { minX: 0, minY: 0, maxX: 1, maxY: 1 };
+    }
+
+    let minX = Infinity;
+    let minY = Infinity;
+    let maxX = -Infinity;
+    let maxY = -Infinity;
+    let curX = 0;
+    let curY = 0;
+    let startX = 0;
+    let startY = 0;
+    let cmd = "";
+    let i = 0;
+
+    const extend = (x: number, y: number) => {
+        minX = Math.min(minX, x);
+        minY = Math.min(minY, y);
+        maxX = Math.max(maxX, x);
+        maxY = Math.max(maxY, y);
+        curX = x;
+        curY = y;
+    };
+
+    while (i < tokens.length) {
+        const token = tokens[i];
+        if (/^[A-Za-z]$/.test(token)) {
+            cmd = token;
+            i++;
+            if (cmd === "Z" || cmd === "z") {
+                extend(startX, startY);
+            }
+            continue;
+        }
+
+        const x = Number(tokens[i++]);
+        const y = Number(tokens[i++]);
+
+        let absX = x;
+        let absY = y;
+        switch (cmd) {
+            case "M":
+                absX = x;
+                absY = y;
+                startX = absX;
+                startY = absY;
+                cmd = "L";
+                break;
+            case "m":
+                absX = curX + x;
+                absY = curY + y;
+                startX = absX;
+                startY = absY;
+                cmd = "l";
+                break;
+            case "L":
+                absX = x;
+                absY = y;
+                break;
+            case "l":
+                absX = curX + x;
+                absY = curY + y;
+                break;
+            default:
+                continue;
+        }
+        extend(absX, absY);
+    }
+
+    return { minX, minY, maxX, maxY };
+}
+
+/**
+ * Maps a normalized Material shape path to fill viewBox `0 0 1 1` edge-to-edge.
+ */
+export function fitPathToUnitSquare(pathD: string): PathUnitSquareFit {
+    const cached = pathFitCache.get(pathD);
+    if (cached) {
+        return cached;
+    }
+
+    const { minX, minY, maxX, maxY } = computePathBounds(pathD);
+    const width = maxX - minX;
+    const height = maxY - minY;
+
+    if (width <= 0 || height <= 0) {
+        const fallback = { transform: "" };
+        pathFitCache.set(pathD, fallback);
+        return fallback;
+    }
+
+    const sx = 1 / width;
+    const sy = 1 / height;
+    const fit: PathUnitSquareFit = {
+        transform: `scale(${sx}, ${sy}) translate(${-minX}, ${-minY})`,
+    };
+    pathFitCache.set(pathD, fit);
+    return fit;
+}

frontend/src/core/types.d.ts

@@ -39,6 +39,8 @@ export interface Rect extends Size2D {
 
 // App types
 
+export type VerificationStatus = "verified" | "warning" | "blocked" | "none";
+
 /**
  * Chat message structure
  * @interface Message
@@ -70,6 +72,7 @@ export interface Message {
     timestamp: string;
     profile_picture?: string;
     verified?: boolean;
+    verification_status?: VerificationStatus;
     reply_to?: Message;
     files?: Attachment[];
     reactions?: Reaction[];
@@ -118,6 +121,7 @@ export interface User {
     bio?: string;
     profile_picture: string;
     verified?: boolean;
+    verification_status?: VerificationStatus;
     suspended?: boolean;
     suspension_reason?: string | null;
     deleted?: boolean;
@@ -144,6 +148,9 @@ export interface UserProfile {
     last_seen: string;
     created_at: string;
     verified?: boolean;
+    verification_status?: VerificationStatus;
+    deleted?: boolean;
+    suspended?: boolean;
 }
 
 // ----------

frontend/src/core/userDisplay.ts

@@ -0,0 +1,51 @@
+import { parseApiTimestamp } from "@/utils/utils";
+
+const DELETED_USERNAME_PREFIX = "#deleted";
+
+export function isDeletedUser(user: { deleted?: boolean }): boolean {
+    return Boolean(user.deleted);
+}
+
+export function isSuspendedUser(user: { suspended?: boolean; deleted?: boolean }): boolean {
+    return Boolean(user.suspended) && !user.deleted;
+}
+
+export function isDeletedAccountUsername(username: string | undefined | null): boolean {
+    return Boolean(username?.startsWith(DELETED_USERNAME_PREFIX));
+}
+
+export function isDeletedPeer(user: {
+    id?: number;
+    deleted?: boolean;
+    username?: string | null;
+}): boolean {
+    return isDeletedUser(user) || isDeletedAccountUsername(user.username);
+}
+
+export const DELETED_ACCOUNT_LABEL = "Deleted account";
+
+export function deletedUserLabel(): string {
+    return DELETED_ACCOUNT_LABEL;
+}
+
+export function displayNameForUser(user: {
+    id?: number;
+    display_name?: string | null;
+    username?: string | null;
+    deleted?: boolean;
+}): string {
+    if (isDeletedPeer(user)) {
+        return deletedUserLabel();
+    }
+    return user.display_name?.trim() || user.username?.trim() || "";
+}
+
+export function isEpochLastSeen(lastSeen: string | undefined | null): boolean {
+    if (!lastSeen) return false;
+    const time = parseApiTimestamp(lastSeen).getTime();
+    return !Number.isNaN(time) && time <= 0;
+}
+
+export function formatDeletedUserLastSeen(): string {
+    return "был(а) давно";
+}

frontend/src/pages/auth/RegisterForm.tsx

@@ -9,6 +9,7 @@ import api from "@/core/api";
 import { AuthTextField, type AuthTextFieldHandle } from "./AuthTextField";
 import type { Alert, AlertType } from "./Auth";
 import { AuthHeader, AlertsContainer } from "./Auth";
+import { LegalInlineLinks } from "@/core/legal/LegalInlineLinks";
 import styles from "./auth.module.scss";
 
 const registerFieldVariants: Variants = {
@@ -235,6 +236,8 @@ export function RegisterForm({ onSwitchMode }: RegisterFormProps) {
                             </MaterialButton>
                         </motion.div>
                     </div>
+
+                    <LegalInlineLinks />
                     
                 </motion.form>
             </div>

frontend/src/pages/chat/css/Message.module.scss

@@ -177,6 +177,21 @@
                 object-fit: cover;
                 border: 2px solid $color-dark-outline;
             }
+
+            .deletedUserAvatar {
+                width: 100%;
+                height: 100%;
+                border-radius: 50%;
+                display: flex;
+                align-items: center;
+                justify-content: center;
+                border: 2px solid $color-dark-outline;
+
+                .deletedUserAvatarIcon {
+                    font-size: 24px;
+                    color: white;
+                }
+            }
         }
 
         .messageInner {

frontend/src/pages/chat/css/deleted-user-avatar.module.scss

@@ -0,0 +1,15 @@
+@use "@/css/material" as *;
+
+.deletedUserAvatar {
+    width: 100%;
+    height: 100%;
+    border-radius: 50%;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    border: 2px solid $color-dark-outline;
+}
+
+.deletedUserAvatarIcon {
+    color: white;
+}

frontend/src/pages/chat/css/left-panel.module.scss

@@ -178,3 +178,17 @@
     line-clamp: 2;
     -webkit-box-orient: vertical;
 }
+
+.deletedUserAvatar {
+    width: 40px;
+    height: 40px;
+    border-radius: 50%;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+
+    .deletedUserAvatarIcon {
+        font-size: 24px;
+        color: white;
+    }
+}

frontend/src/pages/chat/css/profile-dialog.module.scss

@@ -28,6 +28,23 @@
     border: 3px solid $color-dark-outline;
 }
 
+.deletedAvatar {
+    width: 120px;
+    height: 120px;
+    border-radius: 60px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    border: 3px solid $color-dark-outline;
+}
+
+.deletedAvatarIcon {
+    width: 64px;
+    height: 64px;
+    font-size: 64px;
+    color: white;
+}
+
 .profilePictureEditOverlay {
     position: absolute;
     top: 0;

frontend/src/pages/chat/css/right-panel.module.scss

@@ -138,3 +138,9 @@
     }
 }
 
+.deleteChatBar {
+    display: flex;
+    justify-content: center;
+    padding: 12px 16px 16px;
+}
+

frontend/src/pages/chat/ui/ProfileDialog.tsx

@@ -14,6 +14,9 @@ import { OnlineStatus } from "./right/OnlineStatus";
 import { Input } from "@/core/components/Input";
 import { StyledDialog } from "@/core/components/StyledDialog";
 import { MaterialButton, MaterialFab, MaterialIcon } from "@/utils/material";
+import { displayNameForUser, isDeletedPeer } from "@/core/userDisplay";
+import { DeletedUserAvatar } from "@/core/DeletedUserAvatar";
+import { parseApiTimestamp } from "@/utils/utils";
 import styles from "@/pages/chat/css/profile-dialog.module.scss";
 
 interface SectionProps {
@@ -102,9 +105,12 @@ export function ProfileDialog() {
                 if (userProfile) {
                     freshData = {
                         ...userProfile,
-                        userId: userProfile.id, // Preserve the userId field
+                        userId: userProfile.id,
                         memberSince: userProfile.created_at,
-                        isOwnProfile: profileData.isOwnProfile
+                        isOwnProfile: profileData.isOwnProfile,
+                        deleted: userProfile.deleted,
+                        verification_status: userProfile.verification_status,
+                        suspended: userProfile.suspended,
                     };
                 }
             }
@@ -329,7 +335,7 @@ export function ProfileDialog() {
     }
 
     function formatDate(dateString: string) {
-        return new Date(dateString).toLocaleDateString("ru-RU", {
+        return parseApiTimestamp(dateString).toLocaleDateString("ru-RU", {
             year: "numeric",
             month: "long",
             day: "numeric"
@@ -410,6 +416,8 @@ export function ProfileDialog() {
 
     if (!currentData) return null;
 
+    const isDeletedProfile = isDeletedPeer(currentData);
+
     return (
         <StyledDialog
             open={isOpen}
@@ -431,16 +439,24 @@ export function ProfileDialog() {
             }
         >
             <div className={styles.profilePictureSection}>
-                <img
-                    className={styles.profilePicture}
-                    src={currentData.profilePicture || defaultAvatar}
-                    alt="Profile Picture"
-                    onError={(e) => {
-                        e.target.src = defaultAvatar;
-                    }}
-                />
+                {isDeletedProfile ? (
+                    <DeletedUserAvatar
+                        userId={currentData.userId!}
+                        className={styles.deletedAvatar}
+                        iconClassName={styles.deletedAvatarIcon}
+                    />
+                ) : (
+                    <img
+                        className={styles.profilePicture}
+                        src={currentData.profilePicture || defaultAvatar}
+                        alt="Profile Picture"
+                        onError={(e) => {
+                            e.target.src = defaultAvatar;
+                        }}
+                    />
+                )}
                 
-                {currentData.isOwnProfile && (
+                {currentData.isOwnProfile && !isDeletedProfile && (
                     <div
                         className={styles.profilePictureEditOverlay}
                         onClick={handleProfilePictureClick}
@@ -456,29 +472,31 @@ export function ProfileDialog() {
                         autoresizing={true}
                         className={styles.usernameInput}
                         type="text"
-                        value={currentData.display_name}
+                        value={isDeletedProfile ? displayNameForUser(currentData) : currentData.display_name}
                         onChange={handleDisplayNameChange}
                         readOnly={!currentData.isOwnProfile}
                         placeholder="Имя" />
                     
-                    <StatusBadge 
-                        verified={currentData.verified || false}
-                        userId={currentData.userId}
-                        size="large" />
+                    {!isDeletedProfile && (
+                        <StatusBadge
+                            verificationStatus={currentData.verification_status}
+                            verified={currentData.verified || false}
+                            size="large" />
+                    )}
                 </div>
                 {errors.display_name && (
                     <div className={styles.errorMessage}>{errors.display_name}</div>
                 )}
             </div>
 
-            {(currentData?.userId || currentData?.isOwnProfile) && !currentData.deleted && (
+            {(currentData?.userId || currentData?.isOwnProfile) && !isDeletedProfile && (
                 <div className={styles.onlineStatusSection}>
                     <OnlineStatus userId={currentData.userId || user.currentUser!.id} />
                 </div>
             )}
 
             {/* Admin Actions Section - Hide for deleted users */}
-            {!currentData.isOwnProfile && user.currentUser?.id === 1 && !currentData.deleted && (
+            {!currentData.isOwnProfile && user.currentUser?.id === 1 && !isDeletedProfile && (
                 <div className={styles.adminActionsSection}>
                     <h3 className={styles.adminActionsHeader}>Admin Actions</h3>
                     <div className={styles.adminButtons}>
@@ -510,7 +528,7 @@ export function ProfileDialog() {
             )}
 
             {/* Verify button for non-admin owner */}
-            {!currentData.isOwnProfile && currentData.userId && user.currentUser?.id !== 1 && (
+            {!currentData.isOwnProfile && currentData.userId && user.currentUser?.id !== 1 && !isDeletedProfile && (
                 <div className={styles.verifySection}>
                     <VerifyButton 
                         userId={currentData.userId}
@@ -523,7 +541,7 @@ export function ProfileDialog() {
             )}
 
             {/* Hide profile sections for deleted users */}
-            {!currentData.deleted && (
+            {!isDeletedProfile && (
                 <div className={styles.profileSections}>
                     <Section
                         type="username"

frontend/src/pages/chat/ui/left/UnifiedChatsList.tsx

@@ -4,12 +4,14 @@ import { useChatStore } from "@/state/chat";
 import { useDM, type DMUser } from "@/pages/chat/hooks/useDM";
 import api from "@/core/api";
 import { StatusBadge } from "@/core/components/StatusBadge";
-import type { Message } from "@/core/types";
+import type { Message, VerificationStatus } from "@/core/types";
 import { websocket } from "@/core/websocket";
 import { onlineStatusManager } from "@/core/onlineStatusManager";
 import { OnlineIndicator } from "@/pages/chat/ui/right/OnlineIndicator";
 import defaultAvatar from "@/images/default-avatar.png";
-import { MaterialBadge, MaterialCircularProgress, MaterialList, MaterialListItem } from "@/utils/material";
+import { MaterialBadge, MaterialCircularProgress, MaterialIcon, MaterialList, MaterialListItem } from "@/utils/material";
+import { displayNameForUser, isDeletedPeer } from "@/core/userDisplay";
+import { DeletedUserAvatar } from "@/core/DeletedUserAvatar";
 import styles from "@/pages/chat/css/left-panel.module.scss";
 
 interface PublicChat {
@@ -31,6 +33,7 @@ interface DMConversation {
     unreadCount: number;
     publicKey?: string | null;
     verified?: boolean;
+    verification_status?: VerificationStatus;
 }
 
 type ChatItem = PublicChat | DMConversation;
@@ -73,6 +76,7 @@ export function UnifiedChatsList() {
             ...dmUsers.map((user: DMUser) => ({
                 ...user,
                 userId: user.id,
+                display_name: displayNameForUser({ ...user, id: user.id }),
                 type: "dm" as const
             })), 
             {
@@ -180,6 +184,19 @@ export function UnifiedChatsList() {
         return <MaterialCircularProgress />;
     }
 
+    if (user.isSuspended) {
+        return (
+            <MaterialList className={styles.unifiedChatsList}>
+                <MaterialListItem
+                    headline="Аккаунт заблокирован"
+                    style={{ cursor: "pointer" }}
+                >
+                    <MaterialIcon name="block--filled" slot="icon" />
+                </MaterialListItem>
+            </MaterialList>
+        );
+    }
+
     return (
         <MaterialList className={styles.unifiedChatsList}>
             {allChats.map((chat) => {
@@ -212,40 +229,53 @@ export function UnifiedChatsList() {
                     );
                 }
 
+                const isDeletedDm = isDeletedPeer(chat);
+                const displayName = displayNameForUser({ ...chat, id: chat.id });
+
                 return (
                     <MaterialListItem
                         key={`dm-${chat.id}`}
-                        headline={chat.display_name}
+                        headline={displayName}
                         onClick={() => handleDMClick(chat)}
                         style={{ cursor: "pointer" }}
                     >
                         <div slot="headline" className="dm-list-headline">
-                            {chat.display_name}
-                            <StatusBadge 
-                                verified={chat.verified || false}
-                                userId={chat.userId}
-                                size="small"
-                            />
+                            {displayName}
+                            {!isDeletedDm && (
+                                <StatusBadge
+                                    verificationStatus={chat.verification_status}
+                                    verified={chat.verified || false}
+                                    size="small"
+                                />
+                            )}
                         </div>
                         <span slot="description" className={styles.listDescription}>
                             {chat.lastMessage || "Нет сообщений"}
                         </span>
                         <div slot="icon" style={{ position: "relative", width: "40px", height: "40px", display: "inline-block" }}>
-                            <img
-                                src={chat.profile_picture || defaultAvatar}
-                                alt={chat.display_name}
-                                style={{
-                                    width: "40px",
-                                    height: "40px",
-                                    borderRadius: "50%",
-                                    objectFit: "cover",
-                                    display: "block"
-                                }}
-                                onError={(e) => {
-                                    e.target.src = defaultAvatar;
-                                }}
-                            />
-                            <OnlineIndicator userId={chat.id} />
+                            {isDeletedDm ? (
+                                <DeletedUserAvatar
+                                    userId={chat.id}
+                                    className={styles.deletedUserAvatar}
+                                    iconClassName={styles.deletedUserAvatarIcon}
+                                />
+                            ) : (
+                                <img
+                                    src={chat.profile_picture || defaultAvatar}
+                                    alt={displayName}
+                                    style={{
+                                        width: "40px",
+                                        height: "40px",
+                                        borderRadius: "50%",
+                                        objectFit: "cover",
+                                        display: "block"
+                                    }}
+                                    onError={(e) => {
+                                        e.target.src = defaultAvatar;
+                                    }}
+                                />
+                            )}
+                            {!isDeletedDm && <OnlineIndicator userId={chat.id} />}
                         </div>
                         {chat.unreadCount > 0 && (
                             <MaterialBadge slot="end-icon">

frontend/src/pages/chat/ui/left/UsernameSearch.tsx

@@ -215,9 +215,9 @@ export function UsernameSearch({ containerRef, headerRef, bottomAppBarRef }: Use
                                     <div className={styles.searchResultBody}>
                                         <div className={styles.searchResultHeadline}>
                                             {searchUser.username}
-                                            <StatusBadge 
+                                            <StatusBadge
+                                                verificationStatus={searchUser.verification_status}
                                                 verified={searchUser.verified || false}
-                                                userId={searchUser.id}
                                                 size="small"
                                             />
                                         </div>

frontend/src/pages/chat/ui/left/settings/AccountPanel.tsx

@@ -17,10 +17,10 @@ export function AccountPanel({ onClose }: AccountPanelProps) {
 
         try {
             await confirm({
-                headline: "Delete Account?",
-                description: "This will permanently delete your account and all your data. This action cannot be undone.",
-                confirmText: "Delete",
-                cancelText: "Cancel"
+                headline: "Удалить аккаунт?",
+                description: "Профиль будет удалён без возможности восстановления, логин освободится. Отправленные сообщения могут остаться в чатах.",
+                confirmText: "Удалить",
+                cancelText: "Отмена"
             });
 
             await api.user.auth.deleteAccount(authToken);

frontend/src/pages/chat/ui/left/settings/DevicesPanel.tsx

@@ -5,6 +5,7 @@ import { useUserStore } from "@/state/user";
 import api from "@/core/api";
 import type { DeviceInfo } from "@/core/api/user/devices";
 import { confirm } from "mdui/functions/confirm";
+import { parseApiTimestamp } from "@/utils/utils";
 import styles from "@/pages/chat/css/settings-dialog.module.scss";
 
 export function DevicesPanel() {
@@ -92,7 +93,7 @@ export function DevicesPanel() {
 
     function formatLastSeen(dateStr: string | undefined): string {
         if (!dateStr) return "Never";
-        const date = new Date(dateStr);
+        const date = parseApiTimestamp(dateStr);
         const now = new Date();
         const diffMs = now.getTime() - date.getTime();
         const diffMins = Math.floor(diffMs / 60000);

frontend/src/pages/chat/ui/right/Message.tsx

@@ -14,6 +14,8 @@ import { useImmer } from "use-immer";
 import { createPortal } from "react-dom";
 import { parseProfileLink } from "@/core/profileLinks";
 import { MaterialCircularProgress, MaterialIconButton, MaterialList, MaterialListItem } from "@/utils/material";
+import { displayNameForUser, isDeletedPeer } from "@/core/userDisplay";
+import { DeletedUserAvatar } from "@/core/DeletedUserAvatar";
 import styles from "@/pages/chat/css/Message.module.scss";
 import replyPreviewStyles from "@/pages/chat/css/reply-preview.module.scss";
 
@@ -517,6 +519,8 @@ export function Message({ message, isAuthor, onContextMenu, onReactionClick, isD
         return messageText.length > 0 && emojiRegex.test(messageText) && messageText.length <= 4; // Most emojis are 1-4 characters
     }, [messageText]);
 
+    const isDeletedSender = isDeletedPeer({ id: message.user_id, username: message.username });
+
     return (
         <>
             <div
@@ -526,13 +530,21 @@ export function Message({ message, isAuthor, onContextMenu, onReactionClick, isD
             >
                 {!isAuthor && !isDm && (
                     <div className={styles.messageProfilePic} onClick={handleProfileClick}>
-                        <img
-                            src={message.profile_picture || defaultAvatar}
-                            alt={message.username}
-                            onError={(e) => {
-                                e.target.src = defaultAvatar;
-                            }}
-                        />
+                        {isDeletedSender ? (
+                            <DeletedUserAvatar
+                                userId={message.user_id}
+                                className={styles.deletedUserAvatar}
+                                iconClassName={styles.deletedUserAvatarIcon}
+                            />
+                        ) : (
+                            <img
+                                src={message.profile_picture || defaultAvatar}
+                                alt={message.username}
+                                onError={(e) => {
+                                    e.target.src = defaultAvatar;
+                                }}
+                            />
+                        )}
                     </div>
                 )}
 
@@ -541,12 +553,14 @@ export function Message({ message, isAuthor, onContextMenu, onReactionClick, isD
                         <div
                             className={styles.messageUsername}
                             onClick={handleProfileClick}>
-                            {message.username}
-                            <StatusBadge
-                                verified={message.verified || false}
-                                userId={message.user_id}
-                                size="small"
-                            />
+                            {displayNameForUser({ id: message.user_id, username: message.username })}
+                            {!isDeletedSender && (
+                                <StatusBadge
+                                    verificationStatus={message.verification_status}
+                                    verified={message.verified || false}
+                                    size="small"
+                                />
+                            )}
                         </div>
                     )}
 

frontend/src/pages/chat/ui/right/MessagePanelRenderer.tsx

@@ -17,7 +17,7 @@ import { TypingIndicator } from "./TypingIndicator";
 import { OnlineStatus } from "./OnlineStatus";
 import { typingManager } from "@/core/typingManager";
 import { PublicChatPanel } from "./panels/PublicChatPanel";
-import { MaterialIcon, MaterialIconButton } from "@/utils/material";
+import { MaterialButton, MaterialIcon, MaterialIconButton } from "@/utils/material";
 import styles from "@/pages/chat/css/layout.module.scss";
 import rightPanelStyles from "@/pages/chat/css/right-panel.module.scss";
 
@@ -52,7 +52,7 @@ function ChatHeaderText({ panel }: { panel: MessagePanel | null }) {
 }
 
 export function MessagePanelRenderer({ panel }: MessagePanelRendererProps) {
-    const { applyPendingPanel, isSwitching, pendingPanel, activePanel, setIsSwitching } = useChatStore();
+    const { applyPendingPanel, isSwitching, pendingPanel, activePanel, setIsSwitching, setActivePanel } = useChatStore();
     const { setProfileDialog } = useProfileStore();
     const messagePanelRef = useRef<HTMLDivElement>(null);
     const [panelState, setPanelState] = useState<MessagePanelState | null>(null);
@@ -71,8 +71,38 @@ export function MessagePanelRenderer({ panel }: MessagePanelRendererProps) {
     // Drag & drop
     const [isDragging, setIsDragging] = useState(false);
     const dragCounterRef = useRef(0);
+    const [peerDeleted, setPeerDeleted] = useState(false);
     const addFilesRef = useRef<null | ((files: File[]) => void)>(null);
 
+    useEffect(() => {
+        let cancelled = false;
+        setPeerDeleted(false);
+        if (!panel?.isDm()) return;
+
+        const dmPanel = panel as DMPanel;
+        dmPanel.getProfile().then((profile) => {
+            if (!cancelled) {
+                setPeerDeleted(Boolean(profile?.deleted));
+            }
+        });
+
+        return () => {
+            cancelled = true;
+        };
+    }, [panel]);
+
+    async function handleDeleteDeletedPeerChat() {
+        if (!panel?.isDm()) return;
+
+        const dmPanel = panel as DMPanel;
+        const messages = [...dmPanel.getMessages()].filter((message) => message.id > 0);
+        for (const message of messages) {
+            await dmPanel.handleDeleteMessage(message.id);
+        }
+        dmPanel.clearMessages();
+        setActivePanel(null);
+    }
+
     useEffect(() => {
         if (!panel || !panelState) return;
 
@@ -307,7 +337,7 @@ export function MessagePanelRenderer({ panel }: MessagePanelRendererProps) {
                                     <h4 id="chat-name">{panelState?.title || "Выбор чата"}</h4>
                                     <ChatHeaderText panel={panel} />
                                 </div>
-                                {panel?.isDm() && (
+                                {panel?.isDm() && !peerDeleted && (
                                     <MaterialIconButton onClick={handleCallClick} icon="call--filled" />
                                 )}
                             </div>
@@ -376,7 +406,17 @@ export function MessagePanelRenderer({ panel }: MessagePanelRendererProps) {
                             </div>
                         )}
 
-                        {panel && (
+                        {panel && (peerDeleted && panel.isDm() ? (
+                            <div className={rightPanelStyles.deleteChatBar}>
+                                <MaterialButton
+                                    variant="filled"
+                                    color="error"
+                                    onClick={handleDeleteDeletedPeerChat}
+                                >
+                                    Удалить чат
+                                </MaterialButton>
+                            </div>
+                        ) : (
                             <ChatInputWrapper
                                     onSendMessage={(text, files) => {
                                         panel.handleSendMessage(text, replyTo?.id, files);
@@ -433,7 +473,7 @@ export function MessagePanelRenderer({ panel }: MessagePanelRendererProps) {
                                         }
                                     }}
                                 />
-                        )}
+                        ))}
                     </div>
 
                     {panel && (

frontend/src/pages/chat/ui/right/OnlineStatus.tsx

@@ -7,6 +7,8 @@
 
 import { usePresenceStore } from "@/state/presence";
 import { useUserStore } from "@/state/user";
+import { formatDeletedUserLastSeen, isEpochLastSeen } from "@/core/userDisplay";
+import { parseApiTimestamp } from "@/utils/utils";
 import styles from "@/pages/chat/css/TypingIndicators.module.scss";
 
 interface OnlineStatusProps {
@@ -20,7 +22,10 @@ export function OnlineStatus({ userId, showLastSeen = false }: OnlineStatusProps
     const status = userId === user.currentUser?.id ? { online: true, lastSeen: new Date().toISOString() } : onlineStatuses.get(userId);
 
     function formatLastSeen(lastSeen: string): string {
-        const date = new Date(lastSeen);
+        if (isEpochLastSeen(lastSeen)) {
+            return formatDeletedUserLastSeen();
+        }
+        const date = parseApiTimestamp(lastSeen);
         const now = new Date();
         const diffMs = now.getTime() - date.getTime();
         const diffMins = Math.floor(diffMs / (1000 * 60));

frontend/src/pages/chat/ui/right/panels/DMPanel.ts

@@ -400,6 +400,7 @@ export class DMPanel extends MessagePanel {
                 bio: userProfile.bio,
                 memberSince: userProfile.created_at,
                 online: userProfile.online,
+                deleted: userProfile.deleted,
                 isOwnProfile: false
             };
         } catch (error) {

frontend/src/pages/download-app/DownloadAppPage.tsx

@@ -1,4 +1,5 @@
 import { MaterialIcon } from "@/utils/material";
+import { Link } from "react-router-dom";
 import styles from "./download-app.module.scss";
 
 export default function DownloadAppPage() {
@@ -20,6 +21,11 @@ export default function DownloadAppPage() {
                         iOS
                     </a>
                 </div>
+                <p>
+                    <Link to="/privacy">Политика конфиденциальности</Link>
+                    {" · "}
+                    <Link to="/terms">Пользовательское соглашение</Link>
+                </p>
                 <p>
                     <a href="https://t.me/denis0001-dev">Написать в поддержку</a>
                 </p>

frontend/src/pages/home/HomeFooter.tsx

@@ -65,6 +65,16 @@ export function HomeFooter({ onScrollToDownload }: HomeFooterProps) {
                         Лицензия
                     </a>
                 </div>
+                <div className={styles.footerSection}>
+                    <Link to="/privacy" className={styles.footerLink}>
+                        <MaterialIcon name="shield" className={styles.footerLinkIcon} />
+                        Политика конфиденциальности
+                    </Link>
+                    <Link to="/terms" className={styles.footerLink}>
+                        <MaterialIcon name="description" className={styles.footerLinkIcon} />
+                        Пользовательское соглашение
+                    </Link>
+                </div>
                 <div className={styles.footerSection}>
                     <a
                         href="https://t.me/fromchat_ch"

frontend/src/pages/legal/LegalPages.tsx

@@ -0,0 +1,6 @@
+import { LegalMarkdownPage } from "@/core/legal/LegalMarkdownPage";
+
+const PrivacyPage = () => <LegalMarkdownPage kind="privacy" />;
+const TermsPage = () => <LegalMarkdownPage kind="terms" />;
+
+export { PrivacyPage, TermsPage };

frontend/src/state/types.ts

@@ -1,4 +1,4 @@
-import type { Message, User } from "@/core/types";
+import type { Message, User, VerificationStatus } from "@/core/types";
 import { MessagePanel } from "@/pages/chat/ui/right/panels/MessagePanel";
 import { PublicChatPanel } from "@/pages/chat/ui/right/panels/PublicChatPanel";
 import { DMPanel } from "@/pages/chat/ui/right/panels/DMPanel";
@@ -17,6 +17,7 @@ export interface ProfileDialogData {
     online?: boolean;
     isOwnProfile: boolean;
     verified?: boolean;
+    verification_status?: VerificationStatus;
     suspended?: boolean;
     suspension_reason?: string | null;
     deleted?: boolean;

frontend/src/state/user.ts

@@ -11,7 +11,7 @@ import type { UserState } from "./types";
 interface UserStore {
     user: UserState;
     setUser: (token: string, user: User) => void;
-    logout: () => void;
+    logout: () => Promise<void>;
     restoreFromStorage: () => Promise<void>;
     setSuspended: (reason: string) => void;
 }
@@ -46,12 +46,21 @@ export const useUserStore = create<UserStore>((set) => ({
         // Ping will be sent automatically on WebSocket reconnect
         // No need to send here to avoid duplicate pings
     },
-    logout: () => {
+    logout: async () => {
+        const token = useUserStore.getState().user.authToken;
+        if (token) {
+            try {
+                await api.user.auth.logout(token);
+            } catch (error) {
+                console.error("Server logout failed:", error);
+            }
+        }
+
         try {
-            localStorage.removeItem('authToken');
-            localStorage.removeItem('currentUser');
+            localStorage.removeItem("authToken");
+            localStorage.removeItem("currentUser");
         } catch (error) {
-            console.error('Failed to clear localStorage:', error);
+            console.error("Failed to clear localStorage:", error);
         }
 
         onlineStatusManager.setAuthToken(null);

frontend/src/utils/utils.ts

@@ -6,19 +6,35 @@
  */
 
 /**
- * Formats a timestamp string to HH:MM format
+ * Parses API timestamps into a Date in the user's local timezone.
+ * Zone-less ISO strings from the server are treated as UTC (append Z),
+ * matching Android's parseMessageInstant behavior.
+ */
+export function parseApiTimestamp(dateString: string): Date {
+    const raw = dateString.trim();
+    if (!raw) return new Date(NaN);
+    const normalized = raw.includes(" ") ? raw.replace(" ", "T") : raw;
+    const hasOffset =
+        /[zZ]$/.test(normalized) ||
+        /[+-]\d{2}:?\d{2}$/.test(normalized);
+    return new Date(hasOffset ? normalized : `${normalized}Z`);
+}
+
+/**
+ * Formats a timestamp string to HH:MM in the user's local timezone.
  * @param {string} dateString - ISO timestamp string to format
  * @returns {string} Formatted time string in HH:MM format
  * @example
- * formatTime('2024-01-15T14:30:00Z'); // Returns "14:30"
+ * formatTime('2024-01-15T14:30:00Z'); // Returns local "17:30" in UTC+3
  */
 export function formatTime(dateString: string): string {
-    const date = new Date(dateString);
-    let hours = date.getHours();
-    let minutes = date.getMinutes();
-    const hoursString = hours < 10 ? '0' + hours : hours;
-    const minutesString = minutes < 10 ? '0' + minutes : minutes;
-    return hoursString + ':' + minutesString;
+    const date = parseApiTimestamp(dateString);
+    if (Number.isNaN(date.getTime())) return "";
+    const hours = date.getHours();
+    const minutes = date.getMinutes();
+    const hoursString = hours < 10 ? "0" + hours : String(hours);
+    const minutesString = minutes < 10 ? "0" + minutes : String(minutes);
+    return hoursString + ":" + minutesString;
 }
 
 /**