docs(cortex-cli): add comprehensive code analysis report

[echobt]

Summary

This PR adds a comprehensive code analysis report for the cortex-cli crate.

Analysis Overview

Total Issues Found: 47

• 🔴 Critical: 2
• 🟠 High: 8
• 🟡 Medium: 18
• 🟢 Low: 19

Critical Issues

1. Potential Panic in run_exec - Event loop may panic if session task panics
2. Missing Input Sanitization - CSS selector parameter in scrape_cmd.rs

High Priority Issues

• Missing timeout on stdio MCP connection tests
• Unbounded memory allocation in export_cmd
• Race condition in background update checks
• Insufficient agent name validation (path traversal risk)
• Blocking I/O in async contexts
• Error information leakage
• Insufficient session ID validation
• Clipboard operation error handling

Key Security Concerns

• URL validation bypass potential
• Credential storage review needed
• File path sanitization improvements

Performance Suggestions

• String allocation optimizations
• Lazy session listing
• Caching file system checks

Files Changed

• cortex-cli/ANALYSIS_REPORT.md (new)

Testing

This is a documentation-only change. No code changes.

Next Steps

The team should review this report and prioritize issues for fixing in upcoming sprints.