feat: wire 10 new tools — file_read, file_write, glob, grep, web_fetch, task CRUD, send_message, schedule_cron

- 10 new JS tool classes in src/tools/ (clean, no framework deps)
- tools/index.js: registry-based init with env toggles
- bot/index.js: 16 tool definitions + 16 handlers (was 4)
- Added glob npm dependency
- Tools: bash, file_edit, file_read, file_write, glob, grep, web_search, web_fetch, git, task_create/update/list, send_message, schedule_cron, delegate_agent, run_skill

package.json

@@ -21,6 +21,7 @@
     "execa": "^9.6.1",
     "express": "^4.21.0",
     "fs-extra": "^11.2.0",
+    "glob": "^13.0.6",
     "grammy": "^1.42.0",
     "openai": "^4.77.0",
     "p-queue": "^8.0.1",