Rename Hightower components to Trebuchet

- Rename npm packages: @shannon/api -> @trebuchet/api, @shannon/worker -> @trebuchet/worker, @keygraph/shannon -> @trebuchet/cli
- Update CLI references from shannon/keygraph to trebuchet/trebuchet
- Update Dockerfile and CLAUDE.md to reflect new package names
- Update TypeScript imports in API to use @trebuchet/worker

Co-Authored-By: Paperclip <noreply@paperclip.ing>

apps/cli/package.json

@@ -1,11 +1,11 @@
 {
-  "name": "@keygraph/shannon",
+  "name": "@trebuchet/cli",
   "version": "0.0.0",
-  "description": "Shannon - Autonomous white-box AI pentester for web applications and APIs by Keygraph",
+  "description": "Trebuchet - Autonomous white-box AI pentester for web applications and APIs by Farhood Labs",
   "type": "module",
   "main": "dist/index.mjs",
   "bin": {
-    "shannon": "dist/index.mjs"
+    "trebuchet": "dist/index.mjs"
   },
   "files": [
     "dist",