Merge feat/parakeet-engine: Parakeet TDT 0.6B v3 English engine (spec 001 workstream 7)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

# Conflicts:
#	AGENTS.md
#	bun.lock
#	docs/Decisions.md
#	src/lib/models.ts
#	src/worker/inference.worker.ts
#	src/worker/protocol.ts
#	tests/models.test.ts

package.json

@@ -25,6 +25,7 @@
     "@types/react": "^19",
     "@types/react-dom": "^19",
     "ffmpeg-static": "^5.3.0",
+    "parakeet.js": "1.4.4",
     "typescript": "^7.0.2"
   },
   "trustedDependencies": [