Merge MVP startup defaults with memory-db mode + tests

DEVELOPMENT.md

@@ -36,3 +36,36 @@ Examples:
 ## Worker
 - `worker/src/worker.js` is a placeholder loop.
 - Later it will pull from connectors, OCR, classify, and run rule assignment.
+
+## Local runbook
+Preferred path:
+```bash
+cd /root/clawd/mastermind-mvp
+cp .env.example .env
+```
+
+Set at least:
+```bash
+SESSION_SECRET=replace-with-a-long-random-string
+BASE_URL=http://localhost:3005
+BOOTSTRAP_OWNER_EMAIL=owner@local
+BOOTSTRAP_OWNER_PASSWORD=ChangeMe12345
+```
+
+Start the full stack with Postgres:
+```bash
+docker compose up -d --build
+```
+
+Alternative direct Node.js mode with the in-memory DB:
+```bash
+npm ci --prefix web
+npm ci --prefix worker
+DATABASE_URL=memory://local SESSION_SECRET=replace-with-a-long-random-string BASE_URL=http://localhost:3005 BOOTSTRAP_OWNER_EMAIL=owner@local BOOTSTRAP_OWNER_PASSWORD=ChangeMe12345 npm run start:web
+DATABASE_URL=memory://local npm run start:worker
+```
+
+Run tests:
+```bash
+npm test
+```