Add search command, history browser, install script, and systemd timers

- /search command to search across memory, history, and configuration
- history-browser.py for browsing and analyzing session history
- install.sh for first-time setup with directory creation and validation
- daily-maintenance.sh for scheduled backup, cleanup, and validation
- systemd timer units for automated daily maintenance at 6 AM
- Updated shell completions with 11 aliases
- Test suite now covers 19 tests
- Bump version to 1.1.0

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.gitignore

@@ -33,6 +33,15 @@ projects/
 *.tmp
 *.swp
 
+# Python cache
+__pycache__/
+*.pyc
+*.pyo
+
+# Go test output
+*_test_output.txt
+tmp_unused
+
 # Todos (managed by Claude Code)
 todos/
 repos/homelab