fix(ci): update claude-code-action usage for v1 GA API

- Use `prompt` input instead of removed `prompt_file`
- Move `--allowedTools` and `--max-turns` to `claude_args`
- Add `id-token: write` permission required for OIDC token
- Pass prompt content via GITHUB_ENV to avoid shell escaping issues

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: sfreudenthaler

.github/workflows/cicd_comp_ai-release-notes-phase.yml

@@ -49,6 +49,7 @@ jobs:
     permissions:
       contents: write      # gh release view + gh release edit
       pull-requests: read  # Octokit pulls.get for PR details
+      id-token: write      # Required by claude-code-action for OIDC
     # All run: blocks reference these via $RELEASE_TAG / $REPO instead of
     # direct ${{ }} interpolation to prevent shell injection from crafted tags.
     env:
@@ -130,20 +131,27 @@ jobs:
           echo "- **Skipped**: ${SKIPPED}" >> "$GITHUB_STEP_SUMMARY"
 
       - name: Assemble prompt
+        id: prompt
         run: |
+          # Build the full prompt: template + JSON data
           cat .github/scripts/gather-release-data/prompt-template.md > /tmp/claude-prompt.md
           printf '\n---\n\n## Release Data (JSON)\n\n```json\n' >> /tmp/claude-prompt.md
           cat /tmp/release-data.json >> /tmp/claude-prompt.md
           printf '\n```\n' >> /tmp/claude-prompt.md
 
+          # Pass prompt content via environment file to avoid shell escaping issues
+          {
+            echo 'PROMPT_CONTENT<<PROMPT_EOF'
+            cat /tmp/claude-prompt.md
+            echo 'PROMPT_EOF'
+          } >> "$GITHUB_ENV"
+
       - name: Generate release notes with Claude
         uses: anthropics/claude-code-action@v1
         with:
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
-          prompt_file: /tmp/claude-prompt.md
-          allowed_tools: "Write"
-          max_turns: 3
-          timeout_minutes: 10
+          prompt: ${{ env.PROMPT_CONTENT }}
+          claude_args: "--allowedTools Write --max-turns 3"
 
       - name: Update release description
         env: