feat(logging): add usage logging hooks for AI stack monitoring

- Add usage-logging hook that sends events to log-ingest service
- Track session start/end, tool calls, and token usage
- Integrate with LOG_INGEST_URL environment variable
- Update hooks index to include usage-logging

src/hooks/index.ts

@@ -30,3 +30,4 @@ export { createTaskResumeInfoHook } from "./task-resume-info";
 export { createStartWorkHook } from "./start-work";
 export { createSisyphusOrchestratorHook } from "./sisyphus-orchestrator";
 export { createTodoCodebaseCompactionInjector, createCustomCompactionHook } from "./todo-codebase-compaction";
+export { createUsageLoggingHook } from "./usage-logging";