docs: update local agents notes and remove stale image

AGENTS.md

@@ -12,17 +12,23 @@
 - Technical docs live in `doc/` with `doc/README.md` as the index.
 
 ## Working Commands
+
+### Docker
+If required to run the docker image, follow these steps:
+- Init VM:  `multipass shell dcm-dev`
+- Move to VM WD: `cd ~/dcm`
 - Start full stack: `docker compose up --build -d`
 - Stop stack: `docker compose down`
 - Tail logs: `docker compose logs -f`
+
+### Local NPM Build
 - Frontend dev only: `cd frontend && npm run dev`
 - Frontend production build: `cd frontend && npm run build`
 
 ## Validation
 - No automated test suite is currently committed.
-- Manual checks for code changes: `GET /api/v1/health`, upload + processing flow, search, document preview/download, and clean `docker compose logs -f` output for `api` and `worker`.
+- Manual checks for code changes inside VM: `GET /api/v1/health`, upload + processing flow, search, document preview/download, and clean `docker compose logs -f` output for `api` and `worker`.
 
 ## If You Add Tests
 - Backend: place near changed module, use `test_*.py`.
 - Frontend: use `*.test.tsx`.
-- Update `README.md` and `doc/README.md` with test run commands.