Initial release — Ledga M-Pesa spending tracker

Complete Android app (Kotlin/Jetpack Compose) with:
- SMS parser for all 17 M-Pesa transaction types
- Room database with auto-categorization engine
- Real-time SMS capture via BroadcastReceiver
- Onboarding flow with SMS history import
- Home dashboard with balance, spending, donut chart
- Transactions list with search, filters, day grouping
- Trends screen with Vico bar charts, top merchants
- Budget system with progress tracking
- Transaction detail sheet with re-categorization
- Notifications (daily/weekly summaries, budget alerts)
- Google Drive backup & restore
- Manual export/import (CSV + JSON ZIP)
- Self-update system via GitHub Releases API
- Theme system (System/Light/Dark) + font scaling
- Adaptive app icon with splash screen
- GitHub Actions CI/CD for release APK builds

.github/workflows/release.yml

@@ -0,0 +1,67 @@
+name: Build & Release APK
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v4
+
+      - name: Decode keystore
+        run: echo "${{ secrets.KEYSTORE_BASE64 }}" | base64 -d > keystore/ledga-release.jks
+        shell: bash
+
+      - name: Build release APK
+        env:
+          KEYSTORE_PASSWORD: ${{ secrets.KEYSTORE_PASSWORD }}
+          KEY_ALIAS: ${{ secrets.KEY_ALIAS }}
+          KEY_PASSWORD: ${{ secrets.KEY_PASSWORD }}
+        run: |
+          mkdir -p keystore
+          echo "${{ secrets.KEYSTORE_BASE64 }}" | base64 -d > keystore/ledga-release.jks
+          ./gradlew assembleRelease
+
+      - name: Rename APK
+        run: |
+          VERSION=${GITHUB_REF_NAME#v}
+          mv app/build/outputs/apk/release/app-release.apk app/build/outputs/apk/release/ledga-v${VERSION}.apk
+
+      - name: Create GitHub Release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: app/build/outputs/apk/release/ledga-*.apk
+          generate_release_notes: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v4
+
+      - name: Run tests
+        run: ./gradlew testDebugUnitTest