refactor: remove portal deployment coupling

AGENTS.md

@@ -11,8 +11,10 @@ detail. Design history lives in `docs/superpowers/specs/` and `docs/superpowers/
 
 ## Commands
 
-The repo has three independently-built layers. Run the **full stack** (real Pi + DWH, needs
-VPN + `harness/.env` + `pi` on PATH) with `./scripts/run-stack.sh` (frontend :5173 → backend :8787).
+The repo has three independently-built layers. Run the local Docker stack with
+`./scripts/run-stack.sh` after creating `deploy/env/local.env`; it starts the base+local Compose
+profile, whose core image contains Pi. DWH, vector DB, embedding, and LLM remain external
+configuration endpoints.
 
 **harness/** (Python `tht` CLI + Pi gate extension)
 - Install: `cd harness && python -m venv .venv && pip install -e ".[dev]"` (puts `tht` on PATH)