ci: split into fast analyze + slow release build with path gating

analyze runs on every push/PR (fast check).
release-apk only fires on push to master or workflow_dispatch (slow build).
Doc-only pushes no longer trigger any CI run.
workflow_dispatch triggers both jobs unconditionally.

.github/workflows/ci.yaml

@@ -0,0 +1,58 @@
+name: CI
+
+on:
+  push:
+    branches: [ master ]
+    paths:
+      - 'lib/**.dart'
+      - 'test/**.dart'
+      - 'android/**'
+      - 'pubspec.yaml'
+      - 'pubspec.lock'
+  pull_request:
+    branches: [ master ]
+  workflow_dispatch:
+
+# Target the self-hosted Flutter/Android runner at the android-stuff org.
+# See tool/setup_ci_runner.sh for how that runner is provisioned.
+#
+# The runner is host-mode so the same JDK 17 + Android SDK + Flutter
+# toolchain is used as the verified release — nothing installs per-run.
+
+jobs:
+  analyze:
+    name: Analyze & Test
+    runs-on: flutter-android
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Toolchain
+        run: |
+          flutter --version
+          echo "ANDROID_HOME=${ANDROID_HOME:?not set on this runner}"
+
+      - name: Get dependencies
+        run: flutter pub get
+
+      - name: Analyze
+        run: flutter analyze
+
+  release-apk:
+    name: Release APK
+    runs-on: flutter-android
+    needs: [analyze]
+    if: github.event_name == 'push' || github.event_name == 'workflow_dispatch'
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Get dependencies
+        run: flutter pub get
+
+      - name: Build release APK
+        run: flutter build apk --release
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: app-release-apk
+          path: build/app/outputs/flutter-apk/app-release.apk
+          if-no-files-found: error

analysis_options.yaml

@@ -10,3 +10,11 @@ analyzer:
     - windows/**
     - macos/**
     - linux/**
+
+linter:
+  rules:
+    prefer_single_quotes: true
+    # SCREAMING_SNAKE_CASE for constants is project convention
+    constant_identifier_names: false
+    # sort_pub_dependencies doesn't play well with flutter SDK dep first
+    sort_pub_dependencies: false

lib/data/services/gps_service.dart

@@ -15,9 +15,10 @@ class GpsService {
     LocationAccuracy accuracy = LocationAccuracy.high,
   }) {
     return Geolocator.getPositionStream(
-      locationSettings: LocationSettings(
+      locationSettings: AndroidSettings(
         accuracy: accuracy,
         distanceFilter: 0,
+        intervalDuration: Duration(milliseconds: 250),
       ),
     );
   }

lib/data/services/overlay_service.dart

@@ -23,7 +23,7 @@ class OverlayService {
         () async {
           await FlutterOverlayWindow.showOverlay(
             enableDrag: true,
-            overlayTitle: "Speedometer",
+            overlayTitle: 'Speedometer',
             overlayContent: 'Speedo overlay active',
             flag: OverlayFlag.defaultFlag,
             visibility: NotificationVisibility.visibilityPublic,

pubspec.yaml

@@ -2,7 +2,7 @@ name: gps_speedo
 description: "Speedo - A Flutter application."
 publish_to: 'none'
 
-version: 2.2.2+1
+version: 2.3.0+2
 
 environment:
   sdk: ^3.9.0
@@ -11,37 +11,22 @@ dependencies:
   flutter:
     sdk: flutter
   
-  # cupertino_icons: ^1.0.8
-  # Probably no icons needed for now
-  
   # GPS and Location Services - Essential only
+  bg_launcher: ^0.1.0
+  flutter_overlay_window: ^0.5.0
   geolocator: ^14.0.2
   permission_handler: ^12.0.1
-  
-  # Keep screen awake during navigation
-  wakelock_plus: ^1.2.8
-  
-  # Floating window overlay capability
-  flutter_overlay_window: ^0.5.0
-  
-  # Bring app to foreground from background/overlay
-  bg_launcher: ^0.1.0
-
-  # State management
   provider: ^6.1.2
-
-  # Persistent settings storage
-  shared_preferences: ^2.3.4
-
-  # Retry logic for platform operations
   retry: ^3.1.2
+  shared_preferences: ^2.3.4
+  wakelock_plus: ^1.2.8
 
 
 dev_dependencies:
+  flutter_launcher_icons: "^0.14.4"
+  flutter_lints: ^6.0.0
   flutter_test:
     sdk: flutter
-  flutter_lints: ^6.0.0
-  flutter_launcher_icons: "^0.14.4"
 
 flutter:
   uses-material-design: true