Bump plugin support to 261 and add plugin verifier (#118)

* Bump plugin support to 261 and add plugin verifier

* Remove version specifics

Author: skydoves

.github/workflows/intellij-plugin.yml

@@ -77,10 +77,41 @@ jobs:
           name: plugin-test-results
           path: compose-stability-analyzer-idea/build/reports/tests/
 
+  verify-plugin:
+    name: Verify Plugin Compatibility
+    runs-on: ubuntu-latest
+    needs: build-plugin
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'zulu'
+          java-version: 21
+          cache: 'gradle'
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+      - name: Build stability-runtime (dependency)
+        run: ./gradlew :stability-runtime:build --no-daemon --stacktrace
+
+      - name: Verify plugin compatibility
+        run: ./gradlew :compose-stability-analyzer-idea:verifyPlugin --no-daemon --stacktrace
+
+      - name: Upload verification results
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: plugin-verification-results
+          path: compose-stability-analyzer-idea/build/reports/pluginVerifier/
+
   publish-check:
     name: Plugin Publish Check
     runs-on: ubuntu-latest
-    needs: [build-plugin, test-plugin]
+    needs: [build-plugin, test-plugin, verify-plugin]
     if: github.event_name == 'push' && github.ref == 'refs/heads/main'
     steps:
       - name: Checkout code

compose-stability-analyzer-idea/build.gradle.kts

@@ -55,7 +55,7 @@ intellijPlatform {
   pluginConfiguration {
     ideaVersion {
       sinceBuild = "242"
-      untilBuild = "253.*"
+      untilBuild = "261.*"
     }
 
     description = """
@@ -172,6 +172,13 @@ intellijPlatform {
     ides {
       recommended()
     }
+    // Pre-existing K2 API issues (KaSessionProvider.handleAnalysisException) in 242-251
+    // cause false positives — the plugin gracefully falls back to PSI on older IDEs.
+    // 261 (2026.1 EAP) uses the unified "idea" artifact which the verifier cannot resolve yet.
+    failureLevel = listOf(
+      org.jetbrains.intellij.platform.gradle.tasks.VerifyPluginTask.FailureLevel.INVALID_PLUGIN,
+      org.jetbrains.intellij.platform.gradle.tasks.VerifyPluginTask.FailureLevel.NOT_DYNAMIC,
+    )
   }
 }