feat: Add AgentAnalyzer for tracking agent usage patterns and analytics

- Introduced AgentAnalyzer class to analyze agent invocation data, usage frequency, and workflow patterns.
- Implemented endpoint for agent usage analytics in ClaudeAnalytics.
- Enhanced session management to account for scheduled reset times instead of fixed durations.
- Updated SessionAnalyzer to reflect new session reset logic and improved warning messages.
- Added functionality to calculate agent efficiency and popular usage hours.
- Created a .nojekyll file for GitHub Pages deployment in Docusaurus configuration.

Author: davila7

CLAUDE.md

@@ -324,7 +324,7 @@ The analytics dashboard has been refactored into a modular architecture in 4 pha
 ### During Development
 1. Use meaningful variable and function names
 2. Run tests frequently to catch issues early: `npm run test:watch`
-3. Test analytics dashboard: `npm run analytics:start`
+3. For frontend changes, let user handle analytics server startup - don't run `npm run analytics:start` automatically
 4. Use meaningful commit messages
 
 ### Before Committing