Merge MVP startup defaults with memory-db mode + tests

INSTALL.md

@@ -1,7 +1,7 @@
 # INSTALL — Mastermind MVP
 
 ## Prerequisites
-- Docker + Docker Compose
+- Docker + Docker Compose (recommended)
 - A stable hostname/IP you can reach (LAN or Tailscale)
 
 ## Configure
@@ -13,13 +13,14 @@ cp .env.example .env
 Edit `.env`:
 - `SESSION_SECRET` — set to a long random value
 - `BASE_URL` — the URL you use to reach the app (Tailscale IP recommended)
-- `BOOTSTRAP_OWNER_EMAIL` / `BOOTSTRAP_OWNER_PASSWORD` — defaults are set for local MVP use (`owner@local` / `owner`)
+- `BOOTSTRAP_OWNER_EMAIL` / `BOOTSTRAP_OWNER_PASSWORD` — one-time local owner login created only when no local identities exist
+  - Defaults in `.env.example` are set for local MVP use: `owner@local` / `owner`
 
 OAuth is optional for now:
 - `GOOGLE_CLIENT_ID/GOOGLE_CLIENT_SECRET`
 - `MICROSOFT_CLIENT_ID/MICROSOFT_CLIENT_SECRET`
 
-## Start
+## Start (Docker Compose)
 ```bash
 docker compose up -d --build
 ```
@@ -29,10 +30,11 @@ App:
 - With the default `.env.example`, that is `http://localhost:3005/login`
 
 ## First login (important)
-On first run, if no local identities exist, the app creates:
-- `owner@local` / `owner` by default from `.env.example`
+On first run, if no local identities exist, the app creates the bootstrap local owner from:
+- `BOOTSTRAP_OWNER_EMAIL`
+- `BOOTSTRAP_OWNER_PASSWORD`
 
-Immediately change it:
+Immediately change that password:
 - http://<host>:3005/account/password
 
 ## Create your first project
@@ -58,3 +60,28 @@ Set `BASE_URL` correctly before authorizing.
 ```bash
 npm test
 ```
+
+## Direct Node.js run (no Docker, memory DB)
+Install dependencies:
+```bash
+npm ci --prefix web
+npm ci --prefix worker
+```
+
+Terminal 1:
+```bash
+cd /path/to/mastermind-mvp
+export DATABASE_URL=memory://local
+export SESSION_SECRET='replace-with-a-long-random-string'
+export BASE_URL='http://localhost:3005'
+export BOOTSTRAP_OWNER_EMAIL='owner@local'
+export BOOTSTRAP_OWNER_PASSWORD='ChangeMe12345'
+npm run start:web
+```
+
+Terminal 2:
+```bash
+cd /path/to/mastermind-mvp
+export DATABASE_URL=memory://local
+npm run start:worker
+```