Enable append-only comments in smoke-copilot workflow

[Copilot]

Enables append-only timeline behavior for smoke-copilot workflow status updates. Instead of editing the activation comment, each workflow run now creates new comments for status changes.

Changes

• Schema: Added append-only-comments boolean field to messages configuration in main_workflow_schema.json
• Workflow: Set append-only-comments: true in .github/workflows/smoke-copilot.md messages section
• Compiled: Recompiled workflow with "appendOnlyComments":true in GH_AW_SAFE_OUTPUT_MESSAGES environment variable

Before/After

Before: Single comment edited in-place showing latest status

📰 BREAKING: [Smoke Copilot](run_url) is now investigating... → edited to → ✅ VERDICT: completed successfully

After: Timeline of discrete comments

📰 BREAKING: [Smoke Copilot](run_url) is now investigating...
📰 VERDICT: [Smoke Copilot](run_url) has concluded. All systems operational.

Original prompt

Enable safe-outputs.messages. append-only-comments: true in smoke-copilot

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Changeset

• Type: patch
• Description: Enable append-only comments for the smoke-copilot workflow: status updates now create new timeline comments instead of editing the activation comment.
• Files: .changeset/patch-enable-append-only-comments-smoke-copilot.md

Ahoy! This treasure was crafted by 🏴‍☠️ Changeset Generator

[github-actions]

🎉 Yo ho ho! Changeset Generator found the treasure and completed successfully! ⚓💰

[github-actions]

📰 BREAKING: Smoke Copilot is now investigating this pull request. Sources say the story is developing...

[github-actions]

🎬 THE END — Smoke Claude MISSION: ACCOMPLISHED! The hero saves the day! ✨

[github-actions]

✨ The prophecy is fulfilled... Smoke Codex has completed its mystical journey. The stars align. 🌟

[github-actions]

Smoke Test Results

• ✅ GitHub MCP ([log] Add debug logging to 4 Go files for better troubleshooting #11203, [docs] docs: reduce bloat in schedule-syntax.md (56.6% reduction) #11199)
• ✅ Serena MCP
• ✅ Playwright
• ✅ File Writing
• ✅ Bash Tool

Overall Status: PASS

@pelikhan @copilot

AI generated by Smoke Copilot

[github-actions]

Smoke Test Results

Last 2 Merged PRs:

• [log] Add debug logging to 4 Go files for better troubleshooting #11203: Add debug logging to 4 Go files
• [docs] docs: reduce bloat in schedule-syntax.md (56.6% reduction) #11199: Reduce bloat in schedule-syntax.md

Tests:

• ✅ GitHub MCP
• ✅ Serena MCP
• ✅ Playwright
• ✅ Tavily Web Search
• ✅ File Writing
• ✅ Bash Tool

Overall Status: PASS

AI generated by Smoke Claude

[github-actions]

✅ GitHub MCP: [log] Add debug logging to 4 Go files for better troubleshooting; [docs] docs: reduce bloat in schedule-syntax.md (56.6% reduction)
✅ Serena MCP: activate_project
✅ Playwright: github.com title contains "GitHub"
✅ Tavily: "GitHub Agentic Workflows" results returned
✅ File/Bash: smoke-test-codex-21238984654.txt created and read
Overall status: PASS

AI generated by Smoke Codex

[github-actions]

📰 VERDICT: Smoke Copilot has concluded. All systems operational. This is a developing story. 🎤

[pelikhan]

@copilot fix build, format, recompile

[Copilot]

@copilot fix build, format, recompile

All tasks completed successfully:

• ✅ Build: Binary compiled without errors
• ✅ Format: All code formatting validated (unchanged)
• ✅ Recompile: All 133 workflows compiled successfully (no changes needed)

The append-only-comments configuration in smoke-copilot.md is properly compiled into the .lock.yml file with "appendOnlyComments":true in GH_AW_SAFE_OUTPUT_MESSAGES.