abel533andCopilot
dd47566cb8
feat: Phase 4C infrastructure services + 4D debug commands
4C Services:
- RateLimiter: sliding window rate limiting, concurrent semaphore, cooldowns
- TokenEstimationService: approximate token counting, cost estimation
- NotificationService: cross-platform desktop notifications
- InternalLogger: structured session logging with export
4D Debug Commands:
- /debug: toggle debug mode, view internal logs
- /heapdump: JVM heap dump and memory pool info (Java advantage)
- /trace: request/response tracing
- /ctx-viz: context window token distribution visualization
- /reset-limits: reset rate limits and cooldowns
- /sandbox: sandbox mode toggle (strict/permissive/none)
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>