remove ephemeral _working_on_ note

_working_on_.md

@@ -1,57 +0,0 @@
-I created a new worktree branch and was stopped even before getting started. Beads is not happy with this setup. I don't know why.
-
-
-```
-main on  main [$] via 🐹 v1.25.4 
-❯ git worktree add ../fix-ci -b fix-ci
-Preparing worktree (new branch 'fix-ci')
-HEAD is now at 4ef5a28a bd sync: 2025-11-28 22:17:18
-🔗 Importing beads issues from JSONL...
-✓ Beads issues imported successfully
-
-main on  main [$] via 🐹 v1.25.4 
-❯ cd ../fix-ci/
-
-fix-ci on  fix-ci [$] via 🐹 v1.25.4 
-❯ bd doctor
-
-Diagnostics
- ├ Installation: .beads/ directory found
- ├ Git Hooks: All recommended hooks installed
- │   Installed: post-merge, pre-push, pre-commit
- ├ Database: Unable to read database version ✗
- │   Storage: SQLite
- ├ Schema Compatibility: All required tables and columns present
- ├ Issue IDs: hash-based ✓
- ├ CLI Version: 0.26.0 (latest)
- ├ Database Files: Single database file
- ├ JSONL Files: Using issues.jsonl
- ├ JSONL Config: Using issues.jsonl
- ├ Database Config: Configuration matches existing files
- ├ Daemon Health: No daemon running (will auto-start on next command)
- ├ DB-JSONL Sync: Database and JSONL are in sync
- ├ Permissions: All permissions OK
- ├ Dependency Cycles: No circular dependencies detected
- ├ Claude Integration: Hooks installed (CLI mode)
- │   Plugin not detected - install for slash commands
- ├ bd in PATH: 'bd' command available
- ├ Documentation bd prime: Documentation references match installed features
- │   Files: AGENTS.md
- ├ Agent Documentation: Documentation found: AGENTS.md
- ├ Documentation: No legacy beads slash commands detected
- ├ Gitignore: Up to date
- ├ Git Merge Driver: Correctly configured
- │   bd merge %A %O %A %B
- ├ Metadata Version Tracking: Version tracking active (version: 0.26.0)
- ├ Sync Branch Config: sync.branch not configured ⚠
- │   Current branch: fix-ci
- ├ Deletions Manifest: Present (2474 entries)
- └ Untracked Files: All .beads/*.jsonl files are tracked
-
-✗ Error: Unable to read database version
-  Fix: Database may be corrupted. Try 'bd migrate'
-
-⚠ Warning: sync.branch not configured
-  Fix: Run 'bd doctor --fix' to auto-configure to 'fix-ci', or manually: bd config set sync.branch <branch-name>
-
-```