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>

commands/search.md

@@ -0,0 +1,43 @@
+---
+name: search
+description: Search through memory, history, and configuration
+aliases: [find, lookup]
+invokes: skill:search
+---
+
+# Search Command
+
+Search across PA memory, session history, and configuration files.
+
+## Usage
+
+```
+/search <query>                 # Search everywhere
+/search --memory <query>        # Search only memory
+/search --history <query>       # Search only session history
+/search --config <query>        # Search configuration files
+/search --recent [days]         # Show recent items (default 7 days)
+```
+
+## Implementation
+
+Run the search script:
+
+```bash
+python3 ~/.claude/automation/search.py [options] <query>
+```
+
+## Search Locations
+
+| Location | Contents |
+|----------|----------|
+| Memory | preferences, decisions, projects, facts |
+| History | Past session summaries and topics |
+| Config | State files, component registry |
+
+## Output
+
+Returns matching items with:
+- Source location
+- Match context
+- Relevance score (when applicable)