Cache full Gradle build directories in CI instead of ProGuard export only.

Co-authored-by: Cursor <cursoragent@cursor.com>

.github/actions/cache-desktop-proguard/action.yml

@@ -1,18 +0,0 @@
-name: Cache desktop ProGuard jars
-description: Restore or save the CI ProGuard export directory (speeds up release desktop-proguard job)
-
-outputs:
-  cache-hit:
-    description: Whether ProGuard jars were restored from cache
-    value: ${{ steps.cache.outputs.cache-hit }}
-
-runs:
-  using: composite
-  steps:
-    - uses: actions/cache@v5
-      id: cache
-      with:
-        path: app/desktop/build/ci/proguard
-        key: desktop-proguard-v1-${{ hashFiles('gradle/libs.versions.toml', 'build.gradle.kts', 'settings.gradle.kts', 'app/desktop/build.gradle.kts', 'app/desktop/proguard-rules.pro', 'app/shared/build.gradle.kts') }}
-        restore-keys: |
-          desktop-proguard-v1-

.github/actions/cache-gradle-build/action.yml

@@ -0,0 +1,23 @@
+name: Cache Gradle build directories
+description: Restore or save module build/ trees for faster CI Gradle jobs
+
+outputs:
+  cache-hit:
+    description: Whether build directories were restored from cache
+    value: ${{ steps.cache.outputs.cache-hit }}
+
+runs:
+  using: composite
+  steps:
+    - uses: actions/cache@v5
+      id: cache
+      with:
+        path: |
+          app/desktop/build
+          app/shared/build
+          app/android/build
+          utils/shared/build
+          utils/android/build
+        key: gradle-build-${{ runner.os }}-${{ runner.arch }}-v1-${{ hashFiles('gradle/libs.versions.toml', 'settings.gradle.kts', 'gradle.properties', 'app/desktop/build.gradle.kts', 'app/desktop/proguard-rules.pro', 'app/shared/build.gradle.kts', 'app/android/build.gradle.kts', 'utils/shared/build.gradle.kts', 'utils/android/build.gradle.kts') }}
+        restore-keys: |
+          gradle-build-${{ runner.os }}-${{ runner.arch }}-v1-

.github/workflows/release.yml

@@ -84,10 +84,10 @@ jobs:
       - uses: ./.github/actions/set-version
         with:
           version: ${{ needs.resolve-version.outputs.version }}
-      - uses: ./.github/actions/cache-desktop-proguard
+      - uses: ./.github/actions/cache-gradle-build
-        id: proguard-cache
+        id: gradle-build-cache
       - name: Compile and ProGuard release desktop jars
-        if: steps.proguard-cache.outputs.cache-hit != 'true'
+        if: steps.gradle-build-cache.outputs.cache-hit != 'true'
         run: ./gradlew :app:desktop:exportReleaseProguardForCi --no-daemon --console=plain
       - uses: actions/upload-artifact@v5
         with:
@@ -107,6 +107,7 @@ jobs:
       - uses: ./.github/actions/set-version
         with:
           version: ${{ needs.resolve-version.outputs.version }}
+      - uses: ./.github/actions/cache-gradle-build
       - uses: dtolnay/rust-toolchain@stable
         with:
           targets: x86_64-pc-windows-msvc
@@ -163,6 +164,7 @@ jobs:
       - uses: ./.github/actions/set-version
         with:
           version: ${{ needs.resolve-version.outputs.version }}
+      - uses: ./.github/actions/cache-gradle-build
       - uses: actions/download-artifact@v5
         with:
           name: desktop-proguard
@@ -218,6 +220,7 @@ jobs:
       - uses: ./.github/actions/set-version
         with:
           version: ${{ needs.resolve-version.outputs.version }}
+      - uses: ./.github/actions/cache-gradle-build
       - uses: actions/download-artifact@v5
         with:
           name: desktop-proguard
@@ -273,6 +276,7 @@ jobs:
       - uses: ./.github/actions/set-version
         with:
           version: ${{ needs.resolve-version.outputs.version }}
+      - uses: ./.github/actions/cache-gradle-build
       - uses: actions/download-artifact@v5
         with:
           name: desktop-proguard
@@ -315,6 +319,7 @@ jobs:
       - uses: ./.github/actions/set-version
         with:
           version: ${{ needs.resolve-version.outputs.version }}
+      - uses: ./.github/actions/cache-gradle-build
       - name: Cache Android SDK extras
         uses: actions/cache@v5
         with:

gradle.properties

@@ -35,5 +35,6 @@ android.r8.optimizedResourceShrinking=true
 android.bundle.enableNativeLibraryCompressionInApk=true
 # Configuration cache can surface noisy IDE/sync issues on some setups; turn on when stable.
 org.gradle.configuration-cache=false
+org.gradle.caching=true
 # Windows CI hosts cannot run iOS simulator tests; suppress KMP disabled-target noise.
 kotlin.native.ignoreDisabledTargets=true