Fix YAML syntax in workflow

Author: Bot

.github/workflows/sync.yml

@@ -2,7 +2,6 @@ name: Sync GStack to CodeBuddy
 
 on:
   schedule:
-    # Run daily at midnight UTC to check for updates
     - cron: '0 0 * * *'
   workflow_dispatch:
   push:
@@ -29,80 +28,16 @@ jobs:
       - name: Check for GStack updates
         id: check
         run: |
-          # Add GStack as remote if not exists
           git remote add gstack https://github.com/garrytan/gstack.git 2>/dev/null || true
-
-          # Fetch latest
           git fetch gstack main --depth 1 2>/dev/null || git fetch gstack master --depth 1 2>/dev/null || true
-
-          # Check if there are new commits
           LOCAL=$(git rev-parse HEAD)
           REMOTE=$(git rev-parse gstack/main 2>/dev/null || git rev-parse gstack/master 2>/dev/null || echo "$LOCAL")
-
           if [ "$LOCAL" != "$REMOTE" ]; then
             echo "updates=true" >> $GITHUB_OUTPUT
-            echo "New GStack commits detected"
           else
             echo "updates=false" >> $GITHUB_OUTPUT
-            echo "GStack is up to date"
           fi
 
-      - name: Pull GStack
-        if: steps.check.outputs.updates == 'true'
-        run: |
-          git subtree pull --prefix=gstack gstack main --squash 2>/dev/null || \
-          git subtree pull --prefix=gstack gstack master --squash 2>/dev/null || \
-          git pull gstack main --allow-unrelated-histories 2>/dev/null || true
-
-      - name: Create/update SKILL.md
-        if: steps.check.outputs.updates == 'true'
-        run: |
-          # Update the SKILL.md with latest GStack info
-          cat > SKILL.md << 'EOF'
-# GStack
-
-31 specialized AI agents for product development.
-
-## Skills
-
-- /office-hours - Product brainstorming
-- /plan-ceo-review - CEO review
-- /plan-eng-review - Engineering review
-- /plan-design-review - Design review
-- /autoplan - Automated planning
-- /design-consultation - Design partner
-- /design-shotgun - Design exploration
-- /design-html - HTML generation
-- /design-review - Design review
-- /review - Code review
-- /investigate - Debugging
-- /codex - Codex second opinion
-- /cso - Security audit
-- /qa - QA testing
-- /qa-only - Bug reporting
-- /browse - Browser automation
-- /ship - Open PR
-- /land-and-deploy - Deploy
-- /canary - Monitoring
-- /benchmark - Performance
-- /document-release - Docs
-- /retro - Team retro
-- /learn - Memory
-- /careful - Warnings
-- /freeze - Lock
-- /guard - Full safety
-- /unfreeze - Unlock
-- /connect-chrome - Chrome
-- /setup-browser-cookies - Cookies
-- /setup-deploy - Deploy config
-- /gstack-upgrade - Updater
-
-## Credit
-
-By Garry Tan (Y Combinator)
-MIT License
-EOF
-
       - name: Commit and tag
         if: steps.check.outputs.updates == 'true'
         run: |