Update Dockerfile to use Bun for package management, remove package-lock.json, and adjust .gitignore to include it.

.cursor/skills/implement/templates/batch-report.md

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+# Batch Report Template
+
+Use this template after each implementation batch completes.
+
+---
+
+```markdown
+# Batch Report
+
+**Batch**: [N]
+**Tasks**: [list of task names]
+**Date**: [YYYY-MM-DD]
+
+## Task Results
+
+| Task | Status | Files Modified | Tests | Issues |
+|------|--------|---------------|-------|--------|
+| [JIRA-ID]_[name] | Done/Blocked/Partial | [count] files | [X/Y pass] | [count or None] |
+
+## Code Review Verdict: [PASS / FAIL / PASS_WITH_WARNINGS]
+
+[Link to code review report if FAIL or PASS_WITH_WARNINGS]
+
+## Test Suite
+
+- Total: [N] tests
+- Passed: [N]
+- Failed: [N]
+- Skipped: [N]
+
+## Commit
+
+[Suggested commit message]
+
+## Next Batch: [task list] or "All tasks complete"
+```