Deploy: migrate k3s → Docker; search logic → master-agents-svc

- deploy/k3s удалён, deploy/docker добавлен (Caddyfile, docker-compose, searxng)
- chat-svc: agents/models/prompts удалены, использует llm-svc (LLMClient, EmbeddingClient)
- master-agents-svc: SearchOrchestrator, classifier, researcher, actions, widgets
- web-svc: ChatModelSelector, Optimization, Sources удалены; InputBarPlus; UnregisterSW
- geo-device-svc, localization-svc: Dockerfiles
- docs: 02-k3s-services-spec.md, RUNBOOK/TELEMETRY/WORKING удалены

Co-authored-by: Cursor <cursoragent@cursor.com>

services/chat-svc/package.json

@@ -10,7 +10,7 @@
   },
   "dependencies": {
     "@fastify/cors": "^9.0.1",
-    "@fastify/multipart": "^9.4.0",
+    "@fastify/multipart": "^8.3.1",
     "@google/genai": "^1.34.0",
     "@toolsycc/json-repair": "^0.1.22",
     "axios": "^1.8.3",