refactor: simplify Claude workflow, remove redundant logic

- Remove custom determine-ref step (action handles checkout internally)
- Remove @claude mention checks from if (action filters mentions itself)
- Keep author_association gate as the only custom security check

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: kirich1409

.github/workflows/claude.yml

@@ -12,58 +12,26 @@ on:
 
 jobs:
   claude:
-    # Only allow trusted collaborators to trigger Claude via @claude mention
+    # Only allow trusted collaborators to trigger Claude
     if: |
-      (
-        github.event.comment.author_association == 'OWNER' ||
-        github.event.comment.author_association == 'MEMBER' ||
-        github.event.comment.author_association == 'COLLABORATOR' ||
-        github.event.review.author_association == 'OWNER' ||
-        github.event.review.author_association == 'MEMBER' ||
-        github.event.review.author_association == 'COLLABORATOR' ||
-        github.event.issue.author_association == 'OWNER' ||
-        github.event.issue.author_association == 'MEMBER' ||
-        github.event.issue.author_association == 'COLLABORATOR'
-      ) && (
-        (github.event_name == 'issue_comment' && contains(github.event.comment.body, '@claude')) ||
-        (github.event_name == 'pull_request_review_comment' && contains(github.event.comment.body, '@claude')) ||
-        (github.event_name == 'pull_request_review' && contains(github.event.review.body, '@claude')) ||
-        (github.event_name == 'issues' && (contains(github.event.issue.body, '@claude') || contains(github.event.issue.title, '@claude')))
-      )
+      github.event.comment.author_association == 'OWNER' ||
+      github.event.comment.author_association == 'MEMBER' ||
+      github.event.comment.author_association == 'COLLABORATOR' ||
+      github.event.review.author_association == 'OWNER' ||
+      github.event.review.author_association == 'MEMBER' ||
+      github.event.review.author_association == 'COLLABORATOR' ||
+      github.event.issue.author_association == 'OWNER' ||
+      github.event.issue.author_association == 'MEMBER' ||
+      github.event.issue.author_association == 'COLLABORATOR'
     runs-on: ubuntu-latest
     permissions:
       contents: write
       pull-requests: write
       issues: write
       actions: read
     steps:
-      - name: Determine checkout ref
-        id: determine-ref
-        uses: actions/github-script@v7
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          script: |
-            const eventName = context.eventName;
-            let ref = context.sha;
-
-            if (eventName === 'pull_request_review' || eventName === 'pull_request_review_comment') {
-              ref = context.payload.pull_request.head.sha;
-            } else if (eventName === 'issue_comment' && context.payload.issue && context.payload.issue.pull_request) {
-              const prNumber = context.payload.issue.number;
-              const { data: pr } = await github.rest.pulls.get({
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                pull_number: prNumber,
-              });
-              ref = pr.head.sha;
-            }
-
-            core.setOutput('ref', ref);
-
       - name: Checkout repository
         uses: actions/checkout@v6
-        with:
-          ref: ${{ steps.determine-ref.outputs.ref }}
 
       - name: Set up JDK 21
         uses: actions/setup-java@v5
@@ -83,8 +51,6 @@ jobs:
         uses: anthropics/claude-code-action@v1
         with:
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
-
-          # Configure Claude's behavior for Android/Gradle project
           claude_args: |
             --model claude-opus-4-6
             --max-turns 20