ci: separate dart workflow with path filters

- Create ci-dart.yml for Dart packages with paths filter

- Remove test-dart job from ci.yml

- Dart workflow only triggers on saju-dart or pubspec.yaml changes

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

Author: gracefullight

.github/workflows/ci-dart.yml

@@ -0,0 +1,38 @@
+name: CI (Dart)
+
+on:
+  push:
+    branches: [main, develop]
+    paths:
+      - 'packages/saju-dart/**'
+      - '**/pubspec.yaml'
+  pull_request:
+    branches: [main, develop]
+    paths:
+      - 'packages/saju-dart/**'
+      - '**/pubspec.yaml'
+
+jobs:
+  test-dart:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          channel: stable
+
+      - name: Test Dart packages
+        run: |
+          for dir in packages/*-dart; do
+            if [ -d "$dir" ]; then
+              echo "Testing $dir..."
+              cd "$dir"
+              flutter pub get
+              dart analyze
+              dart test
+              cd -
+            fi
+          done

.github/workflows/ci.yml

@@ -31,27 +31,3 @@ jobs:
 
       - name: Test all packages
         run: bun run --filter './packages/*' test
-
-  test-dart:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Setup Flutter
-        uses: subosito/flutter-action@v2
-        with:
-          channel: stable
-
-      - name: Test Dart packages
-        run: |
-          for dir in packages/*-dart; do
-            if [ -d "$dir" ]; then
-              echo "Testing $dir..."
-              cd "$dir"
-              flutter pub get
-              dart analyze
-              dart test
-              cd -
-            fi
-          done