fix: redirect authenticated users to planner

feat: allow initial admin setup from landing page
chore: format auth code and update runtime
2026-07-29 22:56:06 -04:00 · 2026-07-29 22:12:37 -04:00 · 2026-07-29 22:11:08 -04:00 · 2026-07-29 22:04:40 -04:00 · 2026-07-29 21:52:22 -04:00
24 changed files with 4586 additions and 1443 deletions
@@ -5,3 +5,4 @@ node_modules
 npm-debug.log*
 Dockerfile
 README.md
+appdata/
@@ -0,0 +1,8 @@
+# Generate each with: openssl rand -base64 48
+POSTGRES_PASSWORD=
+# One-use secret to create [email protected]; leave blank/remove after bootstrap.
+BOOTSTRAP_SETUP_TOKEN=
+# Optional host path mounted read-only at /home/node/.pi/agent (never commit it).
+PI_AGENT_CONFIG_DIR=./appdata/pi-agent
+# Optional explicit reverse-proxy IP/CIDR; leave blank if no trusted proxy is present.
+TRUST_PROXY=
@@ -1,4 +1,5 @@
-node_modules/
+node_modules
+appdata//
 data/
 *.log
 .DS_Store
@@ -0,0 +1,5 @@
+# Development and tests
+
+Run `npm test` before every commit and whenever changing authentication, API authorization, service-worker behavior, or persistence. Add a regression test under `test/` for every new route and for every security/ownership bug. Tests use an in-memory PostgreSQL-compatible database; production migration is run automatically at startup against `DATABASE_URL`.
+
+For local development, copy `.env.example`, start `docker compose up --build`, then visit `http://localhost:8090`. Production must set `APP_ORIGIN=https://roast.srmr.xyz`, `COOKIE_SECURE=true`, a strong `POSTGRES_PASSWORD`, and a random `BOOTSTRAP_SETUP_TOKEN`. Bootstrap `[email protected]` exactly once at `POST /api/auth/bootstrap`, then remove `BOOTSTRAP_SETUP_TOKEN` from deployment configuration. Never commit credentials or a bootstrap password/token.
@@ -9,7 +9,11 @@ RUN npm ci --omit=dev
 COPY public ./public
 COPY server ./server
 COPY shared ./shared
+COPY db/migrations ./db/migrations

+# The optional Pi agent configuration is mounted read-only here at runtime.
+ENV HOME=/home/node
+RUN mkdir -p /home/node/.pi/agent && chown -R node:node /home/node/.pi
 USER node
 EXPOSE 8090
 CMD ["node", "server/index.js"]
@@ -21,10 +21,33 @@ A fillable, live-computing web version of the manual coffee roast plan worksheet
 ## Run it

 ```bash
+cp .env.example .env # set strong secrets
 npm install
-npm start        # http://localhost:8090 (set PORT to override)
+npm test
+# local PostgreSQL stack (database is not published to the host)
+docker compose --env-file .env up --build
 ```

+The public landing page is at `/`; plans require an account at `/app`. Production is configured for `https://roast.srmr.xyz`: retain `APP_ORIGIN=https://roast.srmr.xyz` and `COOKIE_SECURE=true` behind its HTTPS proxy. Database migrations in `db/migrations/` run at application startup exactly once.
+
+### First administrator
+
+Generate `BOOTSTRAP_SETUP_TOKEN` with `openssl rand -base64 48`, keep it only in the deployment environment, then call `POST /api/auth/bootstrap` with that token, `[email protected]`, and a 12+ character password. The endpoint can create that account only once. Remove the setup token after success; it is optional thereafter and no administrator password is stored in source control.
+
+### Pi agent configuration in Docker
+
+The `app` service mounts `PI_AGENT_CONFIG_DIR` (default `./appdata/pi-agent`) read-only at `/home/node/.pi/agent`, the non-root Node user's Pi configuration directory. This lets `/api/prefill` use the same configured model at runtime without baking credentials into the image. The directory is ignored by Git and Docker build context; do not commit its contents.
+
+Before bringing up the stack, sync only the local Pi agent configuration you intend to make available to the container:
+
+```bash
+mkdir -p appdata/pi-agent
+rsync -a --delete ~/.pi/agent/ appdata/pi-agent/
+docker compose --env-file .env up --build
+```
+
+Set `PI_AGENT_CONFIG_DIR` to another protected host directory instead if preferred. Restrict access to that directory because it can contain provider credentials. The mount is read-only, so Pi cannot alter the host configuration. If deployed behind a reverse proxy, set `TRUST_PROXY` only to that proxy's specific IP/CIDR (or keep it blank when the app is directly exposed).
+
 ## Mobile and PWA use

 The planner is responsive and caches its app shell for offline use after the first visit. Browser installation and service-worker caching require HTTPS in production (localhost is exempt). Put the Docker container behind an HTTPS reverse proxy before using it as an installable PWA on a phone.
@@ -52,8 +75,7 @@ If those tables change in the paper worksheet, port the change here too.

 ## Known gaps (v1)

- No automated test suite yet (the ledger math and `.alog` parser were verified manually
-  against the worksheet's worked examples and all 14 logs in `ref/roasts/`, respectively).
+- Offline drafts are intentionally scoped to the authenticated browser account and are cleared on logout; account-backed plans remain the authoritative copy.
 - Roastetta (roastetta.com) integration is intentionally out of scope — it needs a headed,
  Cloudflare-clearing browser and the operator's own credentials. Use the `.alog` file picker,
  or point `ALOG_DIR` at wherever the `roastetta` skill already downloaded files.
@@ -0,0 +1,7 @@
+CREATE EXTENSION IF NOT EXISTS pgcrypto;
+CREATE TABLE users (id uuid PRIMARY KEY DEFAULT gen_random_uuid(), email text UNIQUE NOT NULL, password_hash text NOT NULL, role text NOT NULL DEFAULT 'user' CHECK (role IN ('user','admin')), created_at timestamptz NOT NULL DEFAULT now());
+CREATE TABLE sessions (token_hash text PRIMARY KEY, user_id uuid NOT NULL REFERENCES users(id) ON DELETE CASCADE, csrf_hash text NOT NULL, expires_at timestamptz NOT NULL, created_at timestamptz NOT NULL DEFAULT now());
+CREATE TABLE roast_plans (id uuid PRIMARY KEY DEFAULT gen_random_uuid(), user_id uuid NOT NULL REFERENCES users(id) ON DELETE CASCADE, plan jsonb NOT NULL, created_at timestamptz NOT NULL DEFAULT now(), updated_at timestamptz NOT NULL DEFAULT now());
+CREATE TABLE app_settings (key text PRIMARY KEY, value text NOT NULL);
+INSERT INTO app_settings(key,value) VALUES ('signup_enabled','true');
+CREATE INDEX roast_plans_user_updated ON roast_plans(user_id, updated_at DESC);
@@ -0,0 +1,36 @@
+services:
+  app:
+    build: .
+    environment:
+      NODE_ENV: production
+      DATABASE_URL: postgresql://roast:${POSTGRES_PASSWORD:?set POSTGRES_PASSWORD}@db:5432/roast
+      APP_ORIGIN: https://roast.srmr.xyz
+      COOKIE_SECURE: "true"
+      # Optional after the one-time administrator bootstrap has completed.
+      BOOTSTRAP_SETUP_TOKEN: ${BOOTSTRAP_SETUP_TOKEN:-}
+      # Leave unset unless a known reverse-proxy address/CIDR is configured.
+      TRUST_PROXY: ${TRUST_PROXY:-}
+    volumes:
+      # Mount only non-secret Pi agent model/auth configuration; keep it read-only.
+      - ${PI_AGENT_CONFIG_DIR:-./appdata/pi-agent}:/home/node/.pi/agent:ro
+    depends_on:
+      db:
+        condition: service_healthy
+    # Nginx Proxy Manager routes https://roast.srmr.xyz to this host port.
+    ports: ["8090:8090"]
+    restart: unless-stopped
+  db:
+    image: postgres:16-alpine
+    environment:
+      POSTGRES_DB: roast
+      POSTGRES_USER: roast
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:?set POSTGRES_PASSWORD}
+    volumes: [postgres-data:/var/lib/postgresql/data]
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U roast -d roast"]
+      interval: 5s
+      timeout: 3s
+      retries: 12
+    restart: unless-stopped
+volumes:
+  postgres-data:
@@ -8,20 +8,26 @@
      "name": "roast-planner-webapp",
      "version": "0.1.0",
      "dependencies": {
-        "@earendil-works/pi-coding-agent": "^0.82.1",
-        "express": "^5.0.1"
+        "@earendil-works/pi-coding-agent": "^0.83.0",
+        "bcryptjs": "^3.0.3",
+        "express": "^5.0.1",
+        "pg": "^8.22.0"
+      },
+      "devDependencies": {
+        "pg-mem": "^3.0.14",
+        "supertest": "^7.2.2"
      }
    },
    "node_modules/@earendil-works/pi-coding-agent": {
-      "version": "0.82.1",
-      "resolved": "https://registry.npmjs.org/@earendil-works/pi-coding-agent/-/pi-coding-agent-0.82.1.tgz",
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+      "version": "0.83.0",
+      "resolved": "https://registry.npmjs.org/@earendil-works/pi-coding-agent/-/pi-coding-agent-0.83.0.tgz",
+      "integrity": "sha512-uYhF+FsZxogoSX/AxBcUdiY+ZklubwaXyAoEGA2eQwsHcyEAhUYIKh/WLXe/a8+k8eTCmxb+ZN2Zo9mzQtzbWw==",
      "hasShrinkwrap": true,
      "license": "MIT",
      "dependencies": {
-        "@earendil-works/pi-agent-core": "^0.82.1",
-        "@earendil-works/pi-ai": "^0.82.1",
-        "@earendil-works/pi-tui": "^0.82.1",
+        "@earendil-works/pi-agent-core": "^0.83.0",
+        "@earendil-works/pi-ai": "^0.83.0",
+        "@earendil-works/pi-tui": "^0.83.0",
        "@silvia-odwyer/photon-node": "0.3.4",
        "chalk": "5.6.2",
        "cross-spawn": "7.0.6",
@@ -34,7 +40,7 @@
        "minimatch": "10.2.5",
        "proper-lockfile": "4.1.2",
        "semver": "7.8.0",
-        "typebox": "1.1.38",
+        "typebox": "1.3.7",
        "undici": "8.5.0",
        "yaml": "2.9.0"
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@@ -484,14 +490,14 @@
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    },
    "node_modules/@earendil-works/pi-coding-agent/node_modules/@earendil-works/pi-agent-core": {
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-      "resolved": "https://registry.npmjs.org/@earendil-works/pi-agent-core/-/pi-agent-core-0.82.1.tgz",
+      "version": "0.83.0",
+      "resolved": "https://registry.npmjs.org/@earendil-works/pi-agent-core/-/pi-agent-core-0.83.0.tgz",
      "license": "MIT",
      "dependencies": {
-        "@earendil-works/pi-ai": "^0.82.1",
+        "@earendil-works/pi-ai": "^0.83.0",
        "diff": "8.0.4",
        "ignore": "7.0.5",
-        "typebox": "1.1.38",
+        "typebox": "1.3.7",
        "yaml": "2.9.0"
      },
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@@ -499,8 +505,8 @@
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-      "resolved": "https://registry.npmjs.org/@earendil-works/pi-ai/-/pi-ai-0.82.1.tgz",
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+      "resolved": "https://registry.npmjs.org/@earendil-works/pi-ai/-/pi-ai-0.83.0.tgz",
      "license": "MIT",
      "dependencies": {
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@@ -513,7 +519,7 @@
        "https-proxy-agent": "7.0.6",
        "openai": "6.26.0",
        "partial-json": "0.1.7",
-        "typebox": "1.1.38"
+        "typebox": "1.3.7"
      },
      "bin": {
        "pi-ai": "dist/cli.js"
@@ -523,8 +529,8 @@
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-      "resolved": "https://registry.npmjs.org/@earendil-works/pi-tui/-/pi-tui-0.82.1.tgz",
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+      "resolved": "https://registry.npmjs.org/@earendil-works/pi-tui/-/pi-tui-0.83.0.tgz",
      "license": "MIT",
      "dependencies": {
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@@ -1718,9 +1724,9 @@
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      "license": "MIT"
    },
    "node_modules/@earendil-works/pi-coding-agent/node_modules/undici": {
@@ -1831,6 +1837,29 @@
        "zod": "^3.25.28 || ^4"
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+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "^14.21.3 || >=16"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
+    "node_modules/@paralleldrive/cuid2": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/@paralleldrive/cuid2/-/cuid2-2.3.1.tgz",
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@@ -1844,6 +1873,29 @@
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+      "dev": true,
+      "license": "MIT"
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+      "version": "0.4.0",
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+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/bcryptjs": {
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+      "license": "BSD-3-Clause",
+      "bin": {
+        "bcrypt": "bin/bcrypt"
+      }
+    },
    "node_modules/body-parser": {
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@@ -1890,6 +1942,25 @@
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+      "license": "MIT",
+      "dependencies": {
+        "call-bind-apply-helpers": "^1.0.2",
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+        "set-function-length": "^1.2.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
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@@ -1919,6 +1990,36 @@
        "url": "https://github.com/sponsors/ljharb"
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+      "dependencies": {
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+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
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@@ -1959,6 +2060,13 @@
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@@ -1976,6 +2084,34 @@
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+        "es-errors": "^1.3.0",
+        "gopd": "^1.0.1"
+      },
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+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
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@@ -1985,6 +2121,24 @@
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+      "license": "ISC",
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+      "integrity": "sha512-FdW9r/jQZhSeohs1Z3sI1yxFQNFvMcnmfuj4WBMUTxOrAyLMaTcE1aAMBiTlbMNaXvBCQuVi0R7hd8udDSP7ug==",
+      "license": "MIT",
+      "dependencies": {
+        "split2": "^4.1.0"
+      }
+    },
+    "node_modules/pgsql-ast-parser": {
+      "version": "12.0.2",
+      "resolved": "https://registry.npmjs.org/pgsql-ast-parser/-/pgsql-ast-parser-12.0.2.tgz",
+      "integrity": "sha512-1WWa96Sw6h4uv9GLw98EzH/+xoBTC8j2TwV/AMW3E+Ir/fHOu/jLLbj6kPiz3y2bGISTKNYvKWwHoqvQ5FLuAw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "moo": "^0.5.1",
+        "nearley": "^2.19.5"
+      }
+    },
+    "node_modules/postgres-array": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/postgres-array/-/postgres-array-2.0.0.tgz",
+      "integrity": "sha512-VpZrUqU5A69eQyW2c5CA1jtLecCsN2U/bD6VilrFDWq5+5UIEVO7nazS3TEcHf1zuPYO/sqGvUvW62g86RXZuA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/postgres-bytea": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/postgres-bytea/-/postgres-bytea-1.0.1.tgz",
+      "integrity": "sha512-5+5HqXnsZPE65IJZSMkZtURARZelel2oXUEO8rH83VS/hxH5vv1uHquPg5wZs8yMAfdv971IU+kcPUczi7NVBQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/postgres-date": {
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/postgres-date/-/postgres-date-1.0.7.tgz",
+      "integrity": "sha512-suDmjLVQg78nMK2UZ454hAG+OAW+HQPZ6n++TNDUX+L0+uUlLywnoxJKDou51Zm+zTCjrCl0Nq6J9C5hP9vK/Q==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/postgres-interval": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/postgres-interval/-/postgres-interval-1.2.0.tgz",
+      "integrity": "sha512-9ZhXKM/rw350N1ovuWHbGxnGh/SNJ4cnxHiM0rxE4VN41wsg8P8zWn9hv/buK00RP4WvlOyr/RBDiptyxVbkZQ==",
+      "license": "MIT",
+      "dependencies": {
+        "xtend": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
    "node_modules/proxy-addr": {
      "version": "2.0.7",
      "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz",
@@ -2435,6 +3044,27 @@
        "url": "https://github.com/sponsors/ljharb"
      }
    },
+    "node_modules/railroad-diagrams": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/railroad-diagrams/-/railroad-diagrams-1.0.0.tgz",
+      "integrity": "sha512-cz93DjNeLY0idrCNOH6PviZGRN9GJhsdm9hpn1YCS879fj4W+x5IFJhhkRZcwVgMmFF7R82UA/7Oh+R8lLZg6A==",
+      "dev": true,
+      "license": "CC0-1.0"
+    },
+    "node_modules/randexp": {
+      "version": "0.4.6",
+      "resolved": "https://registry.npmjs.org/randexp/-/randexp-0.4.6.tgz",
+      "integrity": "sha512-80WNmd9DA0tmZrw9qQa62GPPWfuXJknrmVmLcxvq4uZBdYqb1wYoKTmnlGUchvVWe0XiLupYkBoXVOxz3C8DYQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "discontinuous-range": "1.0.0",
+        "ret": "~0.1.10"
+      },
+      "engines": {
+        "node": ">=0.12"
+      }
+    },
    "node_modules/range-parser": {
      "version": "1.3.0",
      "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.3.0.tgz",
@@ -2463,6 +3093,16 @@
        "node": ">= 0.10"
      }
    },
+    "node_modules/ret": {
+      "version": "0.1.15",
+      "resolved": "https://registry.npmjs.org/ret/-/ret-0.1.15.tgz",
+      "integrity": "sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.12"
+      }
+    },
    "node_modules/router": {
      "version": "2.2.0",
      "resolved": "https://registry.npmjs.org/router/-/router-2.2.0.tgz",
@@ -2530,6 +3170,24 @@
        "url": "https://opencollective.com/express"
      }
    },
+    "node_modules/set-function-length": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/set-function-length/-/set-function-length-1.2.2.tgz",
+      "integrity": "sha512-pgRc4hJ4/sNjWCSS9AmnS40x3bNMDTknHgL5UaMBTMyJnU90EgWh1Rz+MC9eFu4BuN/UwZjKQuY/1v3rM7HMfg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "define-data-property": "^1.1.4",
+        "es-errors": "^1.3.0",
+        "function-bind": "^1.1.2",
+        "get-intrinsic": "^1.2.4",
+        "gopd": "^1.0.1",
+        "has-property-descriptors": "^1.0.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
    "node_modules/setprototypeof": {
      "version": "1.2.0",
      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.2.0.tgz",
@@ -2608,6 +3266,15 @@
        "url": "https://github.com/sponsors/ljharb"
      }
    },
+    "node_modules/split2": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/split2/-/split2-4.2.0.tgz",
+      "integrity": "sha512-UcjcJOWknrNkF6PLX83qcHM6KHgVKNkV62Y8a5uYDVv9ydGQVwAHMKqHdJje1VTWpljG0WYpCDhrCdAOYH4TWg==",
+      "license": "ISC",
+      "engines": {
+        "node": ">= 10.x"
+      }
+    },
    "node_modules/statuses": {
      "version": "2.0.2",
      "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.2.tgz",
@@ -2617,6 +3284,42 @@
        "node": ">= 0.8"
      }
    },
+    "node_modules/superagent": {
+      "version": "10.3.0",
+      "resolved": "https://registry.npmjs.org/superagent/-/superagent-10.3.0.tgz",
+      "integrity": "sha512-B+4Ik7ROgVKrQsXTV0Jwp2u+PXYLSlqtDAhYnkkD+zn3yg8s/zjA2MeGayPoY/KICrbitwneDHrjSotxKL+0XQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "component-emitter": "^1.3.1",
+        "cookiejar": "^2.1.4",
+        "debug": "^4.3.7",
+        "fast-safe-stringify": "^2.1.1",
+        "form-data": "^4.0.5",
+        "formidable": "^3.5.4",
+        "methods": "^1.1.2",
+        "mime": "2.6.0",
+        "qs": "^6.14.1"
+      },
+      "engines": {
+        "node": ">=14.18.0"
+      }
+    },
+    "node_modules/supertest": {
+      "version": "7.2.2",
+      "resolved": "https://registry.npmjs.org/supertest/-/supertest-7.2.2.tgz",
+      "integrity": "sha512-oK8WG9diS3DlhdUkcFn4tkNIiIbBx9lI2ClF8K+b2/m8Eyv47LSawxUzZQSNKUrVb2KsqeTDCcjAAVPYaSLVTA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "cookie-signature": "^1.2.2",
+        "methods": "^1.1.2",
+        "superagent": "^10.3.0"
+      },
+      "engines": {
+        "node": ">=14.18.0"
+      }
+    },
    "node_modules/toidentifier": {
      "version": "1.0.1",
      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
@@ -2680,6 +3383,22 @@
      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==",
      "license": "ISC"
+    },
+    "node_modules/xtend": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
+      "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.4"
+      }
+    },
+    "node_modules/yallist": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==",
+      "dev": true,
+      "license": "ISC"
    }
  }
 }
@@ -6,10 +6,17 @@
  "description": "Fillable web version of the manual roast plan worksheet, with URL prefill and .alog reference curves.",
  "scripts": {
    "start": "node server/index.js",
-    "dev": "node --watch server/index.js"
+    "dev": "node --watch server/index.js",
+    "test": "node --test"
  },
  "dependencies": {
+    "@earendil-works/pi-coding-agent": "^0.83.0",
+    "bcryptjs": "^3.0.3",
    "express": "^5.0.1",
-    "@earendil-works/pi-coding-agent": "^0.82.1"
+    "pg": "^8.22.0"
+  },
+  "devDependencies": {
+    "pg-mem": "^3.0.14",
+    "supertest": "^7.2.2"
  }
 }
@@ -0,0 +1,24 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width,initial-scale=1" />
+    <title>Roast Planner Admin</title>
+    <link rel="stylesheet" href="/app.css" />
+  </head>
+  <body>
+    <main class="auth-page">
+      <section class="panel-card auth-card">
+        <a href="/app">← Plans</a>
+        <h1>Administration</h1>
+        <label><input id="signup" type="checkbox" /> Allow new signups</label
+        ><button id="save" class="primary-btn">Save setting</button>
+        <h2>Users</h2>
+        <ul id="users"></ul>
+        <h2>Recent roast plans</h2>
+        <ul id="plans"></ul>
+      </section>
+    </main>
+    <script type="module" src="/js/admin.js"></script>
+  </body>
+</html>
@@ -0,0 +1,47 @@
+const csrf = () =>
+	document.cookie
+		.split("; ")
+		.find((value) => value.startsWith("rp_csrf="))
+		?.split("=")[1] || "";
+const users = document.querySelector("#users");
+const plans = document.querySelector("#plans");
+
+async function load() {
+	const usersResponse = await fetch("/api/admin/users");
+	if (!usersResponse.ok) return;
+	const body = await usersResponse.json();
+	document.querySelector("#signup").checked = body.signupEnabled;
+	users.replaceChildren(
+		...body.users.map((user) =>
+			Object.assign(document.createElement("li"), {
+				textContent: `${user.email} (${user.role}) — ${user.plan_count} plans`,
+			}),
+		),
+	);
+	const plansResponse = await fetch("/api/admin/plans");
+	if (!plansResponse.ok) return;
+	const plansBody = await plansResponse.json();
+	plans.replaceChildren(
+		...plansBody.plans.map((plan) =>
+			Object.assign(document.createElement("li"), {
+				textContent: `${plan.email}: ${plan.plan?.fields?.["0.1"] || "Untitled plan"}`,
+			}),
+		),
+	);
+}
+
+document.querySelector("#save").addEventListener("click", async () => {
+	await fetch("/api/admin/signup-enabled", {
+		method: "PUT",
+		headers: {
+			"content-type": "application/json",
+			"x-csrf-token": csrf(),
+		},
+		body: JSON.stringify({
+			enabled: document.querySelector("#signup").checked,
+		}),
+	});
+	await load();
+});
+
+load();
@@ -1,79 +1,92 @@
-// Wires the ".alog reference curve" panel: local file upload, and browsing a server-side
-// library directory (e.g. wherever the roastetta skill already downloaded logs).
-
+const csrf = () =>
+	document.cookie
+		.split("; ")
+		.find((v) => v.startsWith("rp_csrf="))
+		?.split("=")[1] || "";
+const setText = (el, text, error = false) => {
+	const node = document.createElement("p");
+	node.textContent = text;
+	if (error) node.style.color = "#a8371a";
+	el.replaceChildren(node);
+};
 export function initAlogPanel({ state, recompute }) {
-  const fileInput = document.getElementById("alog-file");
-  const libraryBtn = document.getElementById("alog-library-refresh");
-  const libraryList = document.getElementById("alog-library-list");
-  const resultEl = document.getElementById("alog-result");
-
+	const fileInput = document.getElementById("alog-file"),
+		libraryBtn = document.getElementById("alog-library-refresh"),
+		libraryList = document.getElementById("alog-library-list"),
+		resultEl = document.getElementById("alog-result");
 	fileInput.addEventListener("change", async (e) => {
 		const file = e.target.files?.[0];
 		if (!file) return;
-    resultEl.innerHTML = "<p>Parsing…</p>";
+		setText(resultEl, "Parsing…");
 		try {
-      const content = await file.text();
 			const res = await fetch("/api/alog", {
 				method: "POST",
-        headers: { "content-type": "application/json" },
-        body: JSON.stringify({ filename: file.name, content }),
+				headers: { "content-type": "application/json", "x-csrf-token": csrf() },
+				body: JSON.stringify({
+					filename: file.name,
+					content: await file.text(),
+				}),
 			});
-      const body = await res.json();
-      applyResult(body);
+			applyResult(await res.json());
 		} catch (err) {
-      resultEl.innerHTML = `<p style="color:#a8371a">${escapeHtml(err.message)}</p>`;
+			setText(resultEl, err.message, true);
 		}
 	});
-
 	libraryBtn.addEventListener("click", async () => {
 		libraryList.classList.remove("hidden");
-    libraryList.innerHTML = "<li>Loading…</li>";
+		libraryList.replaceChildren(
+			Object.assign(document.createElement("li"), { textContent: "Loading…" }),
+		);
 		try {
-      const res = await fetch("/api/alog/library");
-      const body = await res.json();
-      if (!body.ok || body.files.length === 0) {
-        libraryList.innerHTML = "<li>No .alog files found. Set ALOG_DIR or drop files in ~/Roastetta.</li>";
+			const body = await (await fetch("/api/alog/library")).json();
+			if (!body.ok || !body.files.length) {
+				libraryList.replaceChildren(
+					Object.assign(document.createElement("li"), {
+						textContent:
+							"No .alog files found. Set ALOG_DIR or drop files in ~/Roastetta.",
+					}),
+				);
 				return;
 			}
-      libraryList.innerHTML = "";
-      for (const f of body.files) {
+			libraryList.replaceChildren(
+				...body.files.map((f) => {
 					const li = document.createElement("li");
 					li.textContent = `${f.filename} (${Math.round(f.sizeBytes / 1024)} KB)`;
-        li.addEventListener("click", async () => {
-          resultEl.innerHTML = "<p>Loading…</p>";
-          const r = await fetch(`/api/alog/library/${encodeURIComponent(f.filename)}`);
-          applyResult(await r.json());
-        });
-        libraryList.appendChild(li);
-      }
+					li.onclick = async () => {
+						setText(resultEl, "Loading…");
+						applyResult(
+							await (
+								await fetch(
+									`/api/alog/library/${encodeURIComponent(f.filename)}`,
+								)
+							).json(),
+						);
+					};
+					return li;
+				}),
+			);
 		} catch (err) {
-      libraryList.innerHTML = `<li style="color:#a8371a">${escapeHtml(err.message)}</li>`;
+			const li = document.createElement("li");
+			li.textContent = err.message;
+			li.style.color = "#a8371a";
+			libraryList.replaceChildren(li);
 		}
 	});
-
 	function applyResult(body) {
 		if (!body.ok) {
-      resultEl.innerHTML = `<p style="color:#a8371a">${escapeHtml(body.error ?? body.code)}</p>`;
+			setText(resultEl, body.error ?? body.code, true);
 			return;
 		}
 		state.plan.reference = body;
 		recompute();
-    const warnings = (body.warnings ?? []).map((w) => `<li>${escapeHtml(w)}</li>`).join("");
-    resultEl.innerHTML = `
-      <p><strong>${escapeHtml(body.roast.title)}</strong> — ${body.roast.roastDate || "no date"} ·
-      first crack ${fmt(body.derived?.firstCrackS)} · development ${fmt(body.derived?.developmentS)} ·
-      drop ${fmt(body.derived?.dropS)} · DTR ${body.derived?.dtrPct ?? "—"}%</p>
-      ${warnings ? `<ul class="warnings">${warnings}</ul>` : ""}
-    `;
+		setText(
+			resultEl,
+			`${body.roast.title} — ${body.roast.roastDate || "no date"}; first crack ${fmt(body.derived?.firstCrackS)}; development ${fmt(body.derived?.developmentS)}; drop ${fmt(body.derived?.dropS)}; DTR ${body.derived?.dtrPct ?? "—"}%.`,
+		);
 	}
 }
-
 function fmt(seconds) {
-  if (seconds === null || seconds === undefined) return "—";
+	if (seconds == null) return "—";
 	const s = Math.round(seconds);
 	return `${Math.floor(s / 60)}:${String(s % 60).padStart(2, "0")}`;
 }
-
-function escapeHtml(s) {
-  return String(s ?? "").replace(/[&<>"']/g, (c) => ({ "&": "&amp;", "<": "&lt;", ">": "&gt;", '"': "&quot;", "'": "&#39;" }[c]));
-}
@@ -0,0 +1,25 @@
+const form = document.querySelector("#auth-form");
+const message = document.querySelector("#message");
+
+async function submit(url) {
+	const response = await fetch(url, {
+		method: "POST",
+		headers: { "content-type": "application/json" },
+		body: JSON.stringify(Object.fromEntries(new FormData(form))),
+	});
+	const body = await response.json();
+	if (!response.ok) {
+		message.textContent = body.error || body.code;
+		return;
+	}
+	location.assign("/app");
+}
+
+form.addEventListener("submit", (event) => {
+	event.preventDefault();
+	submit("/api/auth/login");
+});
+document.querySelector("#signup").addEventListener("click", () => {
+	const setupToken = form.elements.setupToken.value;
+	submit(setupToken ? "/api/auth/bootstrap" : "/api/auth/signup");
+});
@@ -1,6 +1,10 @@
 import { FIELD_IDS, blankPlan } from "/shared/fields.js";
 import { computeLedger } from "/shared/ledger.js";
-import { formatDuration, formatSigned, parseRangeMidpoint } from "/shared/time.js";
+import {
+	formatDuration,
+	formatSigned,
+	parseRangeMidpoint,
+} from "/shared/time.js";
 import { CULTIVARS, findCultivar } from "/shared/reference-data.js";
 import { buildPlanCurve, pointsToPathD, tToX, tempToY } from "/shared/curve.js";
 import { initPrefillPanel } from "./prefill-ui.js";
@@ -8,10 +12,22 @@ import { initAlogPanel } from "./alog-ui.js";
 import { initPrint } from "./print.js";

 const FIELD_ID_SET = new Set(FIELD_IDS);
-const STORAGE_KEY = "roastPlannerPlan.v1";
+const STORAGE_PREFIX = "roastPlannerPlan.v2";
+let storageKey = null;
+let remotePlanId = null;
+const csrfToken = () =>
+	document.cookie
+		.split("; ")
+		.find((v) => v.startsWith("rp_csrf="))
+		?.split("=")[1] || "";
+export const protectedFetch = (url, options = {}) =>
+	fetch(url, {
+		...options,
+		headers: { ...options.headers, "x-csrf-token": csrfToken() },
+	});
 const BAND_DOMAIN = [60, 220]; // shared °C domain for every band-track in the Machine Plan section

-export const state = { plan: loadFromStorage() ?? blankPlan() };
+export const state = { plan: blankPlan() };

 const form = document.getElementById("plan-form");

@@ -33,7 +49,8 @@ function setPath(obj, path, value) {
 	const parts = path.split(".");
 	let node = obj;
 	for (let i = 0; i < parts.length - 1; i++) {
-    if (node[parts[i]] === undefined || node[parts[i]] === null) node[parts[i]] = {};
+		if (node[parts[i]] === undefined || node[parts[i]] === null)
+			node[parts[i]] = {};
 		node = node[parts[i]];
 	}
 	node[parts[parts.length - 1]] = value;
@@ -59,34 +76,38 @@ function setValueForName(name, value) {
 // which is kept in sync by renderFormFromPlan() and only needs to look right on paper.
 function renderBlendPrintRows() {
 	const tbody = document.getElementById("blend-rows");
-  tbody.innerHTML = "";
+	tbody.replaceChildren();
 	state.plan.blendComponents.forEach((_, i) => {
 		const tr = document.createElement("tr");
-    tr.innerHTML = `
+		tr.append(
+			document.createRange().createContextualFragment(`
      <td><input class="f w ws-input" name="blendComponents.${i}.cultivar"><span class="pv"></span></td>
      <td><input class="f ws-input" style="min-width:18mm" name="blendComponents.${i}.group"><span class="pv"></span></td>
      <td><input class="f ws-input" style="min-width:20mm" name="blendComponents.${i}.process"><span class="pv"></span></td>
      <td class="num"><input class="f n ws-input" name="blendComponents.${i}.sharePct"><span class="pv"></span></td>
      <td class="num"><input class="f n ws-input" name="blendComponents.${i}.fcAnchor"><span class="pv"></span></td>
-    `;
+    `),
+		);
 		tbody.appendChild(tr);
 	});
 }

 function renderBlendCards() {
 	const wrap = document.getElementById("blend-cards");
-  wrap.innerHTML = "";
+	wrap.replaceChildren();
 	state.plan.blendComponents.forEach((_, i) => {
 		const card = document.createElement("div");
 		card.className = "blend-card";
-    card.innerHTML = `
+		card.append(
+			document.createRange().createContextualFragment(`
      <label class="field"><span class="field-label">Cultivar</span><input class="field-input" name="blendComponents.${i}.cultivar" placeholder="e.g. Caturra"></label>
      <label class="field"><span class="field-label">Group</span><input class="field-input" name="blendComponents.${i}.group"></label>
      <label class="field"><span class="field-label">Process</span><input class="field-input" name="blendComponents.${i}.process"></label>
      <label class="field"><span class="field-label">Share %</span><input class="field-input sm" name="blendComponents.${i}.sharePct"></label>
      <label class="field"><span class="field-label">FC anchor</span><input class="field-input sm" name="blendComponents.${i}.fcAnchor"></label>
      <button type="button" class="blend-remove" data-remove-blend="${i}" aria-label="Remove component" ${state.plan.blendComponents.length <= 1 ? "disabled" : ""}>✕</button>
-    `;
+    `),
+		);
 		wrap.appendChild(card);
 	});
 	for (const btn of wrap.querySelectorAll("[data-remove-blend]")) {
@@ -102,7 +123,10 @@ function renderBlendCards() {
 }

 function updateBlendTotal() {
-  const total = state.plan.blendComponents.reduce((sum, c) => sum + (Number.parseFloat(c.sharePct) || 0), 0);
+	const total = state.plan.blendComponents.reduce(
+		(sum, c) => sum + (Number.parseFloat(c.sharePct) || 0),
+		0,
+	);
 	const fill = document.getElementById("blend-total-fill");
 	const label = document.getElementById("blend-total-label");
 	if (!fill || !label) return;
@@ -113,7 +137,9 @@ function updateBlendTotal() {
 }

 function updateBlendVisibility(mode) {
-  document.getElementById("blend-body").classList.toggle("collapsed", mode !== "blend");
+	document
+		.getElementById("blend-body")
+		.classList.toggle("collapsed", mode !== "blend");
 }

 function renderBlend() {
@@ -124,27 +150,30 @@ function renderBlend() {

 function renderActuatorPrintRows() {
 	const tbody = document.getElementById("actuator-rows");
-  tbody.innerHTML = "";
+	tbody.replaceChildren();
 	state.plan.actuators.forEach((_, i) => {
 		const tr = document.createElement("tr");
-    tr.innerHTML = `
+		tr.append(
+			document.createRange().createContextualFragment(`
      <td class="num"><input class="f n ws-input" name="actuators.${i}.time"><span class="pv"></span></td>
      <td class="num"><input class="f n ws-input" name="actuators.${i}.heatPct"><span class="pv"></span></td>
      <td class="num"><input class="f n ws-input" name="actuators.${i}.fanPct"><span class="pv"></span></td>
      <td class="num"><input class="f n ws-input" name="actuators.${i}.expectedBt"><span class="pv"></span></td>
      <td><input class="f ws-input" style="min-width:78mm" name="actuators.${i}.why"><span class="pv"></span></td>
-    `;
+    `),
+		);
 		tbody.appendChild(tr);
 	});
 }

 function renderActuatorTimeline() {
 	const wrap = document.getElementById("actuator-timeline");
-  wrap.innerHTML = "";
+	wrap.replaceChildren();
 	state.plan.actuators.forEach((_, i) => {
 		const step = document.createElement("div");
 		step.className = "actuator-step";
-    step.innerHTML = `
+		step.append(
+			document.createRange().createContextualFragment(`
      <div class="actuator-rail"><div class="actuator-dot"></div><div class="actuator-line"></div></div>
      <div class="actuator-card">
        <label class="field"><span class="field-label">Time</span><input class="field-input sm" name="actuators.${i}.time" placeholder="m:ss"></label>
@@ -154,7 +183,8 @@ function renderActuatorTimeline() {
        <label class="field"><span class="field-label">Expected BT</span><input class="field-input sm" name="actuators.${i}.expectedBt"></label>
        <label class="field actuator-why"><span class="field-label">Why this change</span><input class="field-input" name="actuators.${i}.why" placeholder="What you're watching for"></label>
      </div>
-    `;
+    `),
+		);
 		wrap.appendChild(step);
 	});
 	for (const btn of wrap.querySelectorAll("[data-remove-actuator]")) {
@@ -189,11 +219,13 @@ export function renderFormFromPlan() {
 		}
 	}
 	updateBlendVisibility(state.plan.fields["2.1"]);
-  document.getElementById("header-coffee-name").textContent = state.plan.fields["0.1"] || "New plan";
+	document.getElementById("header-coffee-name").textContent =
+		state.plan.fields["0.1"] || "New plan";
 }

 function fmtOut(id, text) {
-  for (const el of document.querySelectorAll(`[data-out="${id}"]`)) el.textContent = text ?? "—";
+	for (const el of document.querySelectorAll(`[data-out="${id}"]`))
+		el.textContent = text ?? "—";
 }

 function renderLedger() {
@@ -222,7 +254,9 @@ function renderLedger() {
 	for (const [key, check] of Object.entries(ledger.checks)) {
 		for (const cell of document.querySelectorAll(`[data-pass="${key}"]`)) {
 			cell.classList.remove("pass", "fail", "unknown");
-      cell.classList.add(check.pass === null ? "unknown" : check.pass ? "pass" : "fail");
+			cell.classList.add(
+				check.pass === null ? "unknown" : check.pass ? "pass" : "fail",
+			);
 		}
 	}

@@ -237,8 +271,10 @@ function renderLedger() {
 	fmtOut("pa-fc", d(ledger.A));
 	fmtOut("pa-drop", d(ledger.D));

-  document.getElementById("back-coffee-name").textContent = state.plan.fields["0.1"] || "";
-  document.getElementById("header-coffee-name").textContent = state.plan.fields["0.1"] || "New plan";
+	document.getElementById("back-coffee-name").textContent =
+		state.plan.fields["0.1"] || "";
+	document.getElementById("header-coffee-name").textContent =
+		state.plan.fields["0.1"] || "New plan";

 	return ledger;
 }
@@ -279,7 +315,7 @@ function renderBandMarkers() {
 }

 function paintCurveInto(planGroup, refGroup, planPoints, ref) {
-  planGroup.innerHTML = "";
+	planGroup.replaceChildren();
 	if (planPoints.length > 0) {
 		const path = document.createElementNS("http://www.w3.org/2000/svg", "path");
 		path.setAttribute("d", pointsToPathD(planPoints));
@@ -289,7 +325,10 @@ function paintCurveInto(planGroup, refGroup, planPoints, ref) {
 		path.style.color = "var(--ink, #1a1512)";
 		planGroup.appendChild(path);
 		for (const p of planPoints) {
-      const c = document.createElementNS("http://www.w3.org/2000/svg", "circle");
+			const c = document.createElementNS(
+				"http://www.w3.org/2000/svg",
+				"circle",
+			);
 			c.setAttribute("cx", tToX(p.timeS).toFixed(1));
 			c.setAttribute("cy", tempToY(p.tempC).toFixed(1));
 			c.setAttribute("r", "3.2");
@@ -299,11 +338,14 @@ function paintCurveInto(planGroup, refGroup, planPoints, ref) {
 		}
 	}

-  refGroup.innerHTML = "";
+	refGroup.replaceChildren();
 	if (ref?.curve?.length) {
 		const path = document.createElementNS("http://www.w3.org/2000/svg", "path");
 		const d = ref.curve
-      .map((p, i) => `${i === 0 ? "M" : "L"}${tToX(p.t).toFixed(1)},${tempToY(p.bt).toFixed(1)}`)
+			.map(
+				(p, i) =>
+					`${i === 0 ? "M" : "L"}${tToX(p.t).toFixed(1)},${tempToY(p.bt).toFixed(1)}`,
+			)
 			.join(" ");
 		path.setAttribute("d", d);
 		path.setAttribute("fill", "none");
@@ -315,7 +357,10 @@ function paintCurveInto(planGroup, refGroup, planPoints, ref) {
 		refGroup.appendChild(path);
 		for (const m of ref.milestones ?? []) {
 			if (m.tempC === null) continue;
-      const c = document.createElementNS("http://www.w3.org/2000/svg", "circle");
+			const c = document.createElementNS(
+				"http://www.w3.org/2000/svg",
+				"circle",
+			);
 			c.setAttribute("cx", tToX(m.timeS).toFixed(1));
 			c.setAttribute("cy", tempToY(m.tempC).toFixed(1));
 			c.setAttribute("r", "2.6");
@@ -364,13 +409,36 @@ function autosave() {
 	clearTimeout(autosave._t);
 	autosave._t = setTimeout(() => {
 		try {
-      localStorage.setItem(STORAGE_KEY, JSON.stringify(state.plan));
+			if (storageKey)
+				localStorage.setItem(storageKey, JSON.stringify(state.plan));
+			// Local storage is namespaced per authenticated account; the account copy is authoritative when online.
+			if (navigator.onLine && csrfToken()) {
+				const method = remotePlanId ? "PUT" : "POST";
+				const url = remotePlanId ? `/api/plans/${remotePlanId}` : "/api/plans";
+				protectedFetch(url, {
+					method,
+					headers: { "content-type": "application/json" },
+					body: JSON.stringify({ plan: state.plan }),
+				})
+					.then((r) => (r.ok ? r.json() : null))
+					.then((body) => {
+						if (body?.plan?.id) remotePlanId = body.plan.id;
+					})
+					.catch(() => {
+						/* local copy remains available */
+					});
+			}
 			const savedAt = Date.now();
 			chip.classList.remove("saving");
 			chip.classList.add("saved");
 			const tick = () => {
 				const secs = Math.round((Date.now() - savedAt) / 1000);
-        text.textContent = secs < 8 ? "Saved just now" : secs < 60 ? `Saved ${secs}s ago` : `Saved ${Math.round(secs / 60)}m ago`;
+				text.textContent =
+					secs < 8
+						? "Saved just now"
+						: secs < 60
+							? `Saved ${secs}s ago`
+							: `Saved ${Math.round(secs / 60)}m ago`;
 			};
 			tick();
 			clearInterval(autosaveAgeTimer);
@@ -382,15 +450,31 @@ function autosave() {
 	}, 400);
 }

-function loadFromStorage() {
+function loadFromStorage(userId) {
 	try {
-    const raw = localStorage.getItem(STORAGE_KEY);
+		storageKey = `${STORAGE_PREFIX}:${userId}`;
+		// A shared browser must never retain a previous account's local-only draft.
+		for (let i = localStorage.length - 1; i >= 0; i--) {
+			const key = localStorage.key(i);
+			if (
+				(key?.startsWith(`${STORAGE_PREFIX}:`) && key !== storageKey) ||
+				key === "roastPlannerPlan.v1"
+			)
+				localStorage.removeItem(key);
+		}
+		const raw = localStorage.getItem(storageKey);
 		return raw ? JSON.parse(raw) : null;
 	} catch {
 		return null;
 	}
 }

+function clearDraft() {
+	if (storageKey) localStorage.removeItem(storageKey);
+	storageKey = null;
+	remotePlanId = null;
+}
+
 function cultivarAutofill(name) {
 	const row = findCultivar(name);
 	if (!row) return;
@@ -403,7 +487,13 @@ function cultivarAutofill(name) {

 function wireCultivarDatalist() {
 	const list = document.getElementById("cultivar-list");
-  list.innerHTML = CULTIVARS.map((c) => `<option value="${c.name}">`).join("");
+	list.replaceChildren(
+		...CULTIVARS.map((c) => {
+			const option = document.createElement("option");
+			option.value = c.name;
+			return option;
+		}),
+	);
 }

 function wireForm() {
@@ -438,7 +528,9 @@ function wireDrawers() {
 		overlay.classList.add("hidden");
 	}

-  document.getElementById("btn-toggle-prefill").addEventListener("click", () => {
+	document
+		.getElementById("btn-toggle-prefill")
+		.addEventListener("click", () => {
 			prefill.classList.contains("hidden") ? open(prefill) : closeAll();
 		});
 	document.getElementById("btn-toggle-alog").addEventListener("click", () => {
@@ -457,14 +549,20 @@ function wireToolbar() {
 	});

 	document.getElementById("btn-save").addEventListener("click", () => {
-    const blob = new Blob([JSON.stringify(state.plan, null, 2)], { type: "application/json" });
+		const blob = new Blob([JSON.stringify(state.plan, null, 2)], {
+			type: "application/json",
+		});
 		const a = document.createElement("a");
 		a.href = URL.createObjectURL(blob);
 		a.download = `${(state.plan.fields["0.1"] || "roast-plan").replace(/[^\w-]+/g, "_")}.json`;
 		a.click();
 		URL.revokeObjectURL(a.href);
 	});
-  document.getElementById("btn-load").addEventListener("click", () => document.getElementById("file-load").click());
+	document
+		.getElementById("btn-load")
+		.addEventListener("click", () =>
+			document.getElementById("file-load").click(),
+		);
 	document.getElementById("file-load").addEventListener("change", async (e) => {
 		const file = e.target.files?.[0];
 		if (!file) return;
@@ -481,13 +579,33 @@ function wireToolbar() {
 	});

 	document.getElementById("btn-add-blend").addEventListener("click", () => {
-    state.plan.blendComponents.push({ cultivar: "", group: "", process: "", sharePct: "", fcAnchor: "" });
+		state.plan.blendComponents.push({
+			cultivar: "",
+			group: "",
+			process: "",
+			sharePct: "",
+			fcAnchor: "",
+		});
 		renderBlend();
 		renderFormFromPlan();
 		recompute();
 	});
+	document.getElementById("btn-logout").addEventListener("click", async () => {
+		try {
+			await protectedFetch("/api/auth/logout", { method: "POST" });
+		} finally {
+			clearDraft();
+			location.assign("/");
+		}
+	});
 	document.getElementById("btn-add-actuator").addEventListener("click", () => {
-    state.plan.actuators.push({ time: "", heatPct: "", fanPct: "", expectedBt: "", why: "" });
+		state.plan.actuators.push({
+			time: "",
+			heatPct: "",
+			fanPct: "",
+			expectedBt: "",
+			why: "",
+		});
 		renderActuators();
 		renderFormFromPlan();
 		recompute();
@@ -499,7 +617,9 @@ function wirePwa() {
 	const renderConnection = () => {
 		const offline = !navigator.onLine;
 		status.classList.toggle("hidden", !offline);
-    status.textContent = offline ? "Offline — changes continue saving on this device." : "";
+		status.textContent = offline
+			? "Offline — changes continue saving on this device."
+			: "";
 	};

 	window.addEventListener("online", renderConnection);
@@ -527,7 +647,8 @@ function wireSectionNav() {
 			for (const entry of entries) {
 				if (!entry.isIntersecting) continue;
 				const id = `#${entry.target.id}`;
-        for (const a of links) a.classList.toggle("active", a.getAttribute("href") === id);
+				for (const a of links)
+					a.classList.toggle("active", a.getAttribute("href") === id);
 			}
 		},
 		{ rootMargin: "-20% 0px -70% 0px" },
@@ -535,7 +656,27 @@ function wireSectionNav() {
 	for (const s of sections) observer.observe(s);
 }

-function init() {
+async function init() {
+	try {
+		const meResponse = await fetch("/api/auth/me");
+		if (!meResponse.ok) {
+			location.replace("/");
+			return;
+		}
+		const { user } = await meResponse.json();
+		state.plan = loadFromStorage(user.id) ?? blankPlan();
+		const response = await fetch("/api/plans");
+		if (response.ok) {
+			const body = await response.json();
+			const latest = body.plans?.[0];
+			if (latest) {
+				state.plan = latest.plan;
+				remotePlanId = latest.id;
+			}
+		}
+	} catch {
+		// An authenticated user can still use their own namespaced local draft offline.
+	}
 	renderBlend();
 	renderActuators();
 	wireCultivarDatalist();
@@ -546,7 +687,25 @@ function init() {
 	wireToolbar();
 	wirePwa();
 	wireSectionNav();
-  initPrefillPanel({ state, renderBlendRows: renderBlend, renderActuatorRows: renderActuators, renderFormFromPlan, recompute });
+	fetch("/api/auth/me")
+		.then((r) => (r.ok ? r.json() : null))
+		.then((body) => {
+			if (body?.user?.role === "admin") {
+				const button = document.getElementById("btn-admin");
+				button.classList.remove("hidden");
+				button.onclick = () => {
+					location.href = "/admin";
+				};
+			}
+		})
+		.catch(() => {});
+	initPrefillPanel({
+		state,
+		renderBlendRows: renderBlend,
+		renderActuatorRows: renderActuators,
+		renderFormFromPlan,
+		recompute,
+	});
 	initAlogPanel({ state, recompute });
 	initPrint({ beforePrint: renderFormFromPlan });
 	recompute();
@@ -1,89 +1,100 @@
-// Wires the "Prefill from URL" panel. Applies the returned field patch only into empty
-// fields by default (checkbox to overwrite), tracks a snapshot for undo, and never touches
-// the form on any error.
+// URL prefill UI; output is always built with DOM nodes so remote text never becomes markup.
+const csrf = () =>
+	document.cookie
+		.split("; ")
+		.find((v) => v.startsWith("rp_csrf="))
+		?.split("=")[1] || "";
+function message(target, text, error = false) {
+	const p = document.createElement("p");
+	p.textContent = text;
+	if (error) p.style.color = "#a8371a";
+	target.replaceChildren(p);
+}

 export function initPrefillPanel({ state, renderFormFromPlan, recompute }) {
-  const urlInput = document.getElementById("prefill-url");
-  const overwriteBox = document.getElementById("prefill-overwrite");
-  const goBtn = document.getElementById("prefill-go");
-  const undoBtn = document.getElementById("prefill-undo");
-  const resultEl = document.getElementById("prefill-result");
-
+	const urlInput = document.getElementById("prefill-url"),
+		overwriteBox = document.getElementById("prefill-overwrite"),
+		goBtn = document.getElementById("prefill-go"),
+		undoBtn = document.getElementById("prefill-undo"),
+		resultEl = document.getElementById("prefill-result");
 	let snapshot = null;
-
 	goBtn.addEventListener("click", async () => {
 		const url = urlInput.value.trim();
 		if (!url) return;
 		goBtn.disabled = true;
-    resultEl.innerHTML = `<p>Fetching…</p>`;
-
+		message(resultEl, "Fetching…");
 		try {
 			const res = await fetch("/api/prefill", {
 				method: "POST",
-        headers: { "content-type": "application/json" },
+				headers: { "content-type": "application/json", "x-csrf-token": csrf() },
 				body: JSON.stringify({ url }),
 			});
 			const body = await res.json();
 			if (!body.ok) {
-        resultEl.innerHTML = `<p style="color:#a8371a">${escapeHtml(body.error ?? body.code)}</p>`;
+				message(resultEl, body.error ?? body.code, true);
 				return;
 			}
-
-      snapshot = JSON.parse(JSON.stringify(state.plan));
-      const overwrite = overwriteBox.checked;
+			snapshot = structuredClone(state.plan);
 			let applied = 0;
 			for (const [id, value] of Object.entries(body.fields ?? {})) {
-        const current = state.plan.fields[id] ?? "";
-        if (!overwrite && current !== "") continue;
+				if (!overwriteBox.checked && (state.plan.fields[id] ?? "") !== "")
+					continue;
 				state.plan.fields[id] = value;
 				applied++;
 			}
-
 			renderFormFromPlan();
 			markPrefilled(Object.keys(body.fields ?? {}), body.provenance ?? {});
 			recompute();
 			undoBtn.disabled = false;
-
-      const warnings = (body.warnings ?? []).map((w) => `<li>${escapeHtml(w)}</li>`).join("");
-      resultEl.innerHTML = `
-        <p>Applied ${applied} field${applied === 1 ? "" : "s"} from <a href="${escapeHtml(body.source.finalUrl)}" target="_blank" rel="noopener">${escapeHtml(body.source.finalUrl)}</a>.</p>
-        ${warnings ? `<ul class="warnings">${warnings}</ul>` : ""}
-      `;
+			const p = document.createElement("p"),
+				link = document.createElement("a");
+			link.href = body.source.finalUrl;
+			link.target = "_blank";
+			link.rel = "noopener";
+			link.textContent = body.source.finalUrl;
+			p.append(
+				`Applied ${applied} field${applied === 1 ? "" : "s"} from `,
+				link,
+				".",
+			);
+			const children = [p];
+			if (body.warnings?.length) {
+				const ul = document.createElement("ul");
+				ul.className = "warnings";
+				for (const warning of body.warnings) {
+					const li = document.createElement("li");
+					li.textContent = warning;
+					ul.append(li);
+				}
+				children.push(ul);
+			}
+			resultEl.replaceChildren(...children);
 		} catch (err) {
-      resultEl.innerHTML = `<p style="color:#a8371a">${escapeHtml(err.message)}</p>`;
+			message(resultEl, err.message, true);
 		} finally {
 			goBtn.disabled = false;
 		}
 	});
-
 	undoBtn.addEventListener("click", () => {
 		if (!snapshot) return;
 		state.plan = snapshot;
 		snapshot = null;
 		undoBtn.disabled = true;
 		renderFormFromPlan();
-    clearPrefilledMarks();
-    recompute();
-    resultEl.innerHTML = "<p>Prefill undone.</p>";
-  });
-
-  function markPrefilled(ids, provenance) {
-    for (const id of ids) {
-      const el = document.querySelector(`[name="${CSS.escape(id)}"]`);
-      if (!el) continue;
-      el.classList.add("prefilled");
-      const prov = provenance[id];
-      if (prov) el.title = `from: ${prov}`;
-    }
-  }
-  function clearPrefilledMarks() {
 		for (const el of document.querySelectorAll(".prefilled")) {
 			el.classList.remove("prefilled");
 			el.removeAttribute("title");
 		}
+		recompute();
+		message(resultEl, "Prefill undone.");
+	});
+	function markPrefilled(ids, provenance) {
+		for (const id of ids) {
+			const el = document.querySelector(`[name="${CSS.escape(id)}"]`);
+			if (el) {
+				el.classList.add("prefilled");
+				if (provenance[id]) el.title = `from: ${provenance[id]}`;
+			}
+		}
 	}
 }
-
-function escapeHtml(s) {
-  return String(s ?? "").replace(/[&<>"']/g, (c) => ({ "&": "&amp;", "<": "&lt;", ">": "&gt;", '"': "&quot;", "'": "&#39;" }[c]));
-}
@@ -0,0 +1,53 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width,initial-scale=1" />
+    <title>Roast Planner</title>
+    <link rel="stylesheet" href="/app.css" />
+    <meta name="theme-color" content="#A8481A" />
+  </head>
+  <body>
+    <main class="auth-page">
+      <section class="panel-card auth-card">
+        <h1>Roast Planner</h1>
+        <p>Build, save, and revisit your coffee roast plans.</p>
+        <div id="message" role="status"></div>
+        <form id="auth-form">
+          <label
+            >Email
+            <input
+              class="field-input"
+              required
+              type="email"
+              name="email"
+              autocomplete="email" /></label
+          ><label
+            >Password
+            <input
+              class="field-input"
+              required
+              type="password"
+              minlength="12"
+              name="password"
+              autocomplete="current-password" /></label
+          ><label
+            >Initial admin setup token (first account only)
+            <input
+              class="field-input"
+              type="password"
+              name="setupToken"
+              autocomplete="off" /></label
+          ><button class="primary-btn" type="submit">Log in</button
+          ><button class="ghost-btn" type="button" id="signup">
+            Create account
+          </button>
+        </form>
+        <p class="muted">
+          Accounts require a password of at least 12 characters.
+        </p>
+      </section>
+    </main>
+    <script type="module" src="/js/landing.js"></script>
+  </body>
+</html>
@@ -1,12 +1,14 @@
-const CACHE_NAME = "roast-planner-static-v1";
+const CACHE_NAME = "roast-planner-static-v2";
 const APP_SHELL = [
 	"/",
-  "/index.html",
+	"/landing.html",
 	"/app.css",
 	"/worksheet.css",
 	"/manifest.webmanifest",
 	"/icon.svg",
 	"/js/main.js",
+	"/js/landing.js",
+	"/js/admin.js",
 	"/js/prefill-ui.js",
 	"/js/alog-ui.js",
 	"/js/print.js",
@@ -18,13 +20,23 @@ const APP_SHELL = [
 ];

 self.addEventListener("install", (event) => {
-  event.waitUntil(caches.open(CACHE_NAME).then((cache) => cache.addAll(APP_SHELL)));
+	event.waitUntil(
+		caches.open(CACHE_NAME).then((cache) => cache.addAll(APP_SHELL)),
+	);
 	self.skipWaiting();
 });

 self.addEventListener("activate", (event) => {
 	event.waitUntil(
-    caches.keys().then((keys) => Promise.all(keys.filter((key) => key !== CACHE_NAME).map((key) => caches.delete(key)))),
+		caches
+			.keys()
+			.then((keys) =>
+				Promise.all(
+					keys
+						.filter((key) => key !== CACHE_NAME)
+						.map((key) => caches.delete(key)),
+				),
+			),
 	);
 	self.clients.claim();
 });
@@ -37,10 +49,18 @@ self.addEventListener("fetch", (event) => {
 	} catch {
 		return;
 	}
-  if (request.method !== "GET" || url.origin !== self.location.origin || url.pathname.startsWith("/api/")) return;
+	if (
+		request.method !== "GET" ||
+		url.origin !== self.location.origin ||
+		url.pathname.startsWith("/api/")
+	)
+		return;

 	if (request.mode === "navigate") {
-    event.respondWith(fetch(request).catch(() => caches.match("/index.html")));
+		// Never serve authenticated application HTML from cache after logout.
+		event.respondWith(
+			fetch(request).catch(() => caches.match("/landing.html")),
+		);
 		return;
 	}

@@ -48,7 +68,10 @@ self.addEventListener("fetch", (event) => {
 		caches.match(request).then((cached) => {
 			const update = fetch(request)
 				.then((response) => {
-          if (response.ok) caches.open(CACHE_NAME).then((cache) => cache.put(request, response.clone()));
+					if (response.ok)
+						caches
+							.open(CACHE_NAME)
+							.then((cache) => cache.put(request, response.clone()));
 					return response;
 				})
 				.catch(() => cached);
@@ -0,0 +1,467 @@
+import express from "express";
+import path from "node:path";
+import crypto from "node:crypto";
+import bcrypt from "bcryptjs";
+import { fetchPageText } from "./fetch-page.js";
+import { runPrefill } from "./prefill.js";
+import { parseAlog } from "./alog.js";
+import { listAlogLibrary, readAlogFromLibrary } from "./alog-library.js";
+
+const hash = (value) => crypto.createHash("sha256").update(value).digest("hex");
+const token = () => crypto.randomBytes(32).toString("base64url");
+const ADMIN_EMAIL = "[email protected]";
+const emailOf = (value) =>
+	String(value || "")
+		.trim()
+		.toLowerCase();
+const PASSWORD_OK = (value) =>
+	typeof value === "string" && value.length >= 12 && value.length <= 256;
+
+/** Creates the HTTP app separately from listening, so tests can use an isolated database. */
+export function createApp({ db, root, env = process.env } = {}) {
+	const app = express();
+	const production = env.NODE_ENV === "production";
+	const cookieSecure = env.COOKIE_SECURE
+		? env.COOKIE_SECURE === "true"
+		: production;
+	const origin = env.APP_ORIGIN || (production ? "https://roast.srmr.xyz" : "");
+	const buckets = new Map();
+	const MAX_RATE_BUCKETS = 10_000;
+	const rateLimit = (name, max, windowMs) => {
+		if (
+			!Number.isInteger(max) ||
+			max < 1 ||
+			max > 1_000 ||
+			!Number.isInteger(windowMs) ||
+			windowMs < 1_000 ||
+			windowMs > 3_600_000
+		)
+			throw new Error("Invalid rate-limit configuration");
+		return (req, res, next) => {
+			const key = `${name}:${req.ip}`;
+			const now = Date.now();
+			for (const [bucketKey, bucket] of buckets) {
+				if (bucket.reset <= now) buckets.delete(bucketKey);
+			}
+			if (buckets.size >= MAX_RATE_BUCKETS && !buckets.has(key))
+				return res.status(429).json({ ok: false, code: "rate_limited" });
+			const bucket = buckets.get(key) || { count: 0, reset: now + windowMs };
+			bucket.count++;
+			buckets.set(key, bucket);
+			res.set("RateLimit-Limit", String(max));
+			res.set("RateLimit-Reset", String(Math.ceil(bucket.reset / 1_000)));
+			if (bucket.count > max)
+				return res.status(429).json({ ok: false, code: "rate_limited" });
+			next();
+		};
+	};
+	app.disable("x-powered-by");
+	// Do not accept client-supplied forwarding headers unless the deployment explicitly
+	// identifies its proxy. A numeric hop count is unsafe when the topology changes.
+	app.set("trust proxy", env.TRUST_PROXY || false);
+	app.use((req, res, next) => {
+		if (
+			req.path.startsWith("/api/") ||
+			req.path === "/app" ||
+			req.path === "/admin"
+		)
+			res.set("Cache-Control", "no-store, private");
+		res.set({
+			"X-Content-Type-Options": "nosniff",
+			"X-Frame-Options": "DENY",
+			"Referrer-Policy": "strict-origin-when-cross-origin",
+			"Permissions-Policy": "camera=(), microphone=(), geolocation=()",
+			"Cross-Origin-Opener-Policy": "same-origin",
+			"Content-Security-Policy":
+				"default-src 'self'; base-uri 'self'; form-action 'self'; frame-ancestors 'none'; object-src 'none'; connect-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data:",
+		});
+		next();
+	});
+	app.use(express.json({ limit: "1mb" }));
+	const cookie = (req, name) =>
+		Object.fromEntries(
+			(req.headers.cookie || "")
+				.split(";")
+				.map((x) => x.trim().split("="))
+				.filter((x) => x[0]),
+		)[name];
+	const setSessionCookie = (res, value, maxAge, csrfToken = "") => {
+		res.cookie("rp_session", value, {
+			httpOnly: true,
+			secure: cookieSecure,
+			sameSite: "lax",
+			path: "/",
+			maxAge,
+		});
+		res.cookie("rp_csrf", csrfToken, {
+			httpOnly: false,
+			secure: cookieSecure,
+			sameSite: "lax",
+			path: "/",
+			maxAge,
+		});
+	};
+	async function session(req) {
+		const raw = cookie(req, "rp_session");
+		if (!raw) return null;
+		const r = await db.query(
+			"SELECT s.csrf_hash,u.id,u.email,u.role FROM sessions s JOIN users u ON u.id=s.user_id WHERE s.token_hash=$1 AND s.expires_at>now()",
+			[hash(raw)],
+		);
+		return r.rows[0] || null;
+	}
+	async function requireAuth(req, res, next) {
+		try {
+			req.user = await session(req);
+			if (!req.user)
+				return res.status(401).json({ ok: false, code: "unauthorized" });
+			next();
+		} catch (e) {
+			next(e);
+		}
+	}
+	const csrf = (req, res, next) => {
+		if (origin && req.get("origin") && req.get("origin") !== origin)
+			return res.status(403).json({ ok: false, code: "bad_origin" });
+		const value = req.get("x-csrf-token");
+		if (
+			!value ||
+			value !== cookie(req, "rp_csrf") ||
+			!req.user ||
+			!crypto.timingSafeEqual(
+				Buffer.from(hash(value)),
+				Buffer.from(req.user.csrf_hash),
+			)
+		)
+			return res.status(403).json({ ok: false, code: "csrf_failed" });
+		next();
+	};
+	const admin = (req, res, next) =>
+		req.user.role === "admin"
+			? next()
+			: res.status(403).json({ ok: false, code: "forbidden" });
+	const createSession = async (user) => {
+		const raw = token(),
+			csrfToken = token();
+		await db.query(
+			"INSERT INTO sessions(token_hash,user_id,csrf_hash,expires_at) VALUES($1,$2,$3,now()+interval '14 days')",
+			[hash(raw), user.id, hash(csrfToken)],
+		);
+		return { raw, csrfToken };
+	};
+	app.post(
+		"/api/auth/signup",
+		rateLimit("signup", 8, 60_000),
+		async (req, res, next) => {
+			try {
+				const email = emailOf(req.body.email),
+					password = req.body.password;
+				if (!/^\S+@\S+\.\S+$/.test(email) || !PASSWORD_OK(password))
+					return res.status(400).json({
+						ok: false,
+						code: "invalid_credentials",
+						error:
+							"Use a valid email and a password of at least 12 characters.",
+					});
+				const setting = await db.query(
+					"SELECT value FROM app_settings WHERE key='signup_enabled'",
+				);
+				if (setting.rows[0]?.value !== "true")
+					return res.status(403).json({ ok: false, code: "signup_disabled" });
+				const password_hash = await bcrypt.hash(password, 12);
+				const user = (
+					await db.query(
+						"INSERT INTO users(email,password_hash) VALUES($1,$2) RETURNING id,email,role",
+						[email, password_hash],
+					)
+				).rows[0];
+				const s = await createSession(user);
+				setSessionCookie(res, s.raw, 14 * 864e5, s.csrfToken);
+				res.status(201).json({
+					ok: true,
+					user: { email: user.email, role: user.role },
+					csrfToken: s.csrfToken,
+				});
+			} catch (e) {
+				if (e.code === "23505")
+					return res.status(409).json({ ok: false, code: "email_exists" });
+				next(e);
+			}
+		},
+	);
+	app.post(
+		"/api/auth/bootstrap",
+		rateLimit("bootstrap", 4, 60_000),
+		async (req, res, next) => {
+			try {
+				const exists = await db.query("SELECT 1 FROM users WHERE email=$1", [
+					ADMIN_EMAIL,
+				]);
+				// Once the administrator exists, the deployment no longer needs to retain
+				// the bootstrap secret. Do not reveal whether a supplied token was valid.
+				if (exists.rowCount)
+					return res.status(409).json({ ok: false, code: "bootstrap_used" });
+				const bootstrap = String(req.body.setupToken || "");
+				if (!env.BOOTSTRAP_SETUP_TOKEN)
+					return res
+						.status(503)
+						.json({ ok: false, code: "bootstrap_unavailable" });
+				if (
+					bootstrap.length !== env.BOOTSTRAP_SETUP_TOKEN.length ||
+					!crypto.timingSafeEqual(
+						Buffer.from(bootstrap),
+						Buffer.from(env.BOOTSTRAP_SETUP_TOKEN),
+					)
+				)
+					return res
+						.status(403)
+						.json({ ok: false, code: "invalid_setup_token" });
+				if (
+					emailOf(req.body.email) !== ADMIN_EMAIL ||
+					!PASSWORD_OK(req.body.password)
+				)
+					return res
+						.status(400)
+						.json({ ok: false, code: "invalid_credentials" });
+				const user = (
+					await db.query(
+						"INSERT INTO users(email,password_hash,role) VALUES($1,$2,'admin') RETURNING id,email,role",
+						[ADMIN_EMAIL, await bcrypt.hash(req.body.password, 12)],
+					)
+				).rows[0];
+				const s = await createSession(user);
+				setSessionCookie(res, s.raw, 14 * 864e5, s.csrfToken);
+				res.status(201).json({
+					ok: true,
+					user: { email: user.email, role: user.role },
+					csrfToken: s.csrfToken,
+				});
+			} catch (e) {
+				next(e);
+			}
+		},
+	);
+	app.post(
+		"/api/auth/login",
+		rateLimit("login", 10, 60_000),
+		async (req, res, next) => {
+			try {
+				const user = (
+					await db.query(
+						"SELECT id,email,role,password_hash FROM users WHERE email=$1",
+						[emailOf(req.body.email)],
+					)
+				).rows[0];
+				if (
+					!user ||
+					!(await bcrypt.compare(
+						String(req.body.password || ""),
+						user.password_hash,
+					))
+				)
+					return res
+						.status(401)
+						.json({ ok: false, code: "invalid_credentials" });
+				const s = await createSession(user);
+				setSessionCookie(res, s.raw, 14 * 864e5, s.csrfToken);
+				res.json({
+					ok: true,
+					user: { email: user.email, role: user.role },
+					csrfToken: s.csrfToken,
+				});
+			} catch (e) {
+				next(e);
+			}
+		},
+	);
+	app.get("/api/auth/me", requireAuth, (req, res) =>
+		res.json({
+			ok: true,
+			user: { id: req.user.id, email: req.user.email, role: req.user.role },
+		}),
+	);
+	app.post("/api/auth/logout", requireAuth, csrf, async (req, res, next) => {
+		try {
+			await db.query("DELETE FROM sessions WHERE token_hash=$1", [
+				hash(cookie(req, "rp_session")),
+			]);
+			setSessionCookie(res, "", 0, "");
+			res.json({ ok: true });
+		} catch (e) {
+			next(e);
+		}
+	});
+	app.get("/api/plans", requireAuth, async (req, res, next) => {
+		try {
+			res.json({
+				ok: true,
+				plans: (
+					await db.query(
+						"SELECT id,plan,created_at,updated_at FROM roast_plans WHERE user_id=$1 ORDER BY updated_at DESC",
+						[req.user.id],
+					)
+				).rows,
+			});
+		} catch (e) {
+			next(e);
+		}
+	});
+	app.post("/api/plans", requireAuth, csrf, async (req, res, next) => {
+		try {
+			if (!req.body.plan || typeof req.body.plan !== "object")
+				return res.status(400).json({ ok: false, code: "bad_plan" });
+			const p = (
+				await db.query(
+					"INSERT INTO roast_plans(user_id,plan) VALUES($1,$2) RETURNING id,plan,created_at,updated_at",
+					[req.user.id, req.body.plan],
+				)
+			).rows[0];
+			res.status(201).json({ ok: true, plan: p });
+		} catch (e) {
+			next(e);
+		}
+	});
+	app.put("/api/plans/:id", requireAuth, csrf, async (req, res, next) => {
+		try {
+			const r = await db.query(
+				"UPDATE roast_plans SET plan=$1,updated_at=now() WHERE id=$2 AND user_id=$3 RETURNING id,plan,updated_at",
+				[req.body.plan, req.params.id, req.user.id],
+			);
+			if (!r.rowCount)
+				return res.status(404).json({ ok: false, code: "not_found" });
+			res.json({ ok: true, plan: r.rows[0] });
+		} catch (e) {
+			next(e);
+		}
+	});
+	app.get("/api/admin/users", requireAuth, admin, async (req, res, next) => {
+		try {
+			res.json({
+				ok: true,
+				signupEnabled:
+					(
+						await db.query(
+							"SELECT value FROM app_settings WHERE key='signup_enabled'",
+						)
+					).rows[0]?.value === "true",
+				users: (
+					await db.query(
+						"SELECT u.id,u.email,u.role,u.created_at,count(p.id)::int AS plan_count FROM users u LEFT JOIN roast_plans p ON p.user_id=u.id GROUP BY u.id ORDER BY u.created_at",
+					)
+				).rows,
+			});
+		} catch (e) {
+			next(e);
+		}
+	});
+	app.get("/api/admin/plans", requireAuth, admin, async (req, res, next) => {
+		try {
+			res.json({
+				ok: true,
+				plans: (
+					await db.query(
+						"SELECT p.id,p.plan,p.updated_at,u.email FROM roast_plans p JOIN users u ON u.id=p.user_id ORDER BY p.updated_at DESC",
+					)
+				).rows,
+			});
+		} catch (e) {
+			next(e);
+		}
+	});
+	app.put(
+		"/api/admin/signup-enabled",
+		requireAuth,
+		csrf,
+		admin,
+		async (req, res, next) => {
+			try {
+				if (typeof req.body.enabled !== "boolean")
+					return res.status(400).json({ ok: false, code: "bad_request" });
+				await db.query(
+					"UPDATE app_settings SET value=$1 WHERE key='signup_enabled'",
+					[String(req.body.enabled)],
+				);
+				res.json({ ok: true });
+			} catch (e) {
+				next(e);
+			}
+		},
+	);
+	// Existing integrations remain authenticated but CSRF-protected for writes.
+	app.post("/api/prefill", requireAuth, csrf, async (req, res) => {
+		const url = typeof req.body?.url === "string" ? req.body.url.trim() : "";
+		if (!url)
+			return res
+				.status(400)
+				.json({ ok: false, code: "bad_url", error: "Missing url." });
+		try {
+			const result = await runPrefill(await fetchPageText(url));
+			res.json({ ok: true, ...result });
+		} catch (err) {
+			const code = err.code ?? "prefill_failed";
+			res
+				.status(
+					code === "fetch_timeout"
+						? 504
+						: code === "bad_url"
+							? 400
+							: code === "no_model"
+								? 503
+								: 422,
+				)
+				.json({ ok: false, code, error: err.message });
+		}
+	});
+	app.post("/api/alog", requireAuth, csrf, (req, res) => {
+		try {
+			if (typeof req.body?.content !== "string" || !req.body.content.trim())
+				return res.status(400).json({ ok: false, code: "bad_request" });
+			res.json({
+				ok: true,
+				...parseAlog(req.body.content, req.body.filename ?? "upload.alog"),
+			});
+		} catch (err) {
+			res
+				.status(422)
+				.json({ ok: false, code: "unparseable_alog", error: err.message });
+		}
+	});
+	app.get("/api/alog/library", requireAuth, async (_q, res) =>
+		res.json({ ok: true, files: await listAlogLibrary() }),
+	);
+	app.get("/api/alog/library/:filename", requireAuth, async (req, res) => {
+		try {
+			res.json({
+				ok: true,
+				...(await readAlogFromLibrary(req.params.filename)),
+			});
+		} catch (e) {
+			res
+				.status(e.code === "not_found" ? 404 : 400)
+				.json({ ok: false, code: e.code, error: e.message });
+		}
+	});
+	app.get("/", async (req, res, next) => {
+		try {
+			// Returning users should not be left on the sign-in page after a successful login.
+			if (await session(req)) return res.status(302).location("/app").end();
+			res.set("Cache-Control", "no-store, private");
+			res.sendFile(path.join(root, "public", "landing.html"));
+		} catch (error) {
+			next(error);
+		}
+	});
+	app.get("/app", requireAuth, (_q, res) =>
+		res.sendFile(path.join(root, "public", "index.html")),
+	);
+	app.get("/admin", requireAuth, admin, (_q, res) =>
+		res.sendFile(path.join(root, "public", "admin.html")),
+	);
+	app.use(express.static(path.join(root, "public")));
+	app.use("/shared", express.static(path.join(root, "shared")));
+	app.use((err, _req, res, _next) => {
+		console.error(err);
+		res.status(500).json({ ok: false, code: "internal_error" });
+	});
+	return app;
+}
@@ -0,0 +1,55 @@
+import pg from "pg";
+import fs from "node:fs/promises";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+
+export function createDb(connectionString = process.env.DATABASE_URL) {
+	if (!connectionString) throw new Error("DATABASE_URL is required");
+	const pool = new pg.Pool({
+		connectionString,
+		max: 10,
+		ssl:
+			process.env.DATABASE_SSL === "true"
+				? { rejectUnauthorized: true }
+				: undefined,
+	});
+	return { query: (...args) => pool.query(...args), close: () => pool.end() };
+}
+
+/** Apply each versioned SQL file once; failed migrations are not recorded. */
+export async function migrate(db) {
+	await db.query(
+		"CREATE TABLE IF NOT EXISTS schema_migrations (filename text PRIMARY KEY, applied_at timestamptz NOT NULL DEFAULT now())",
+	);
+	const directory = path.join(
+		path.dirname(fileURLToPath(import.meta.url)),
+		"..",
+		"db",
+		"migrations",
+	);
+	const files = (await fs.readdir(directory))
+		.filter((file) => file.endsWith(".sql"))
+		.sort();
+	for (const filename of files) {
+		if (
+			(
+				await db.query("SELECT 1 FROM schema_migrations WHERE filename=$1", [
+					filename,
+				])
+			).rowCount
+		)
+			continue;
+		const sql = await fs.readFile(path.join(directory, filename), "utf8");
+		await db.query("BEGIN");
+		try {
+			await db.query(sql);
+			await db.query("INSERT INTO schema_migrations(filename) VALUES($1)", [
+				filename,
+			]);
+			await db.query("COMMIT");
+		} catch (error) {
+			await db.query("ROLLBACK");
+			throw error;
+		}
+	}
+}
@@ -1,77 +1,12 @@
-import express from "express";
 import path from "node:path";
 import { fileURLToPath } from "node:url";
-import { fetchPageText } from "./fetch-page.js";
-import { runPrefill } from "./prefill.js";
-import { parseAlog } from "./alog.js";
-import { listAlogLibrary, readAlogFromLibrary } from "./alog-library.js";
+import { createDb, migrate } from "./db.js";
+import { createApp } from "./app.js";

-const __dirname = path.dirname(fileURLToPath(import.meta.url));
-const ROOT = path.join(__dirname, "..");
-const PORT = Number(process.env.PORT) || 8090;
-
-const app = express();
-app.use(express.json({ limit: "2mb" }));
-
-app.use(express.static(path.join(ROOT, "public")));
-app.use("/shared", express.static(path.join(ROOT, "shared")));
-
-app.post("/api/prefill", async (req, res) => {
-  const url = typeof req.body?.url === "string" ? req.body.url.trim() : "";
-  if (!url) return res.status(400).json({ ok: false, code: "bad_url", error: "Missing url." });
-
-  let page;
-  try {
-    page = await fetchPageText(url);
-  } catch (err) {
-    const code = err.code ?? "fetch_failed";
-    const status = code === "fetch_timeout" ? 504 : code === "bad_url" ? 400 : 502;
-    return res.status(status).json({ ok: false, code, error: err.message });
-  }
-
-  try {
-    const result = await runPrefill(page);
-    res.json({ ok: true, ...result });
-  } catch (err) {
-    console.error("prefill failed:", err);
-    const code = err.code ?? "prefill_failed";
-    const status = code === "no_model" ? 503 : code === "unparseable_model_output" ? 422 : 500;
-    res.status(status).json({ ok: false, code, error: err.message });
-  }
-});
-
-app.post("/api/alog", (req, res) => {
-  const content = req.body?.content;
-  if (typeof content !== "string" || content.trim() === "") {
-    return res.status(400).json({ ok: false, code: "bad_request", error: "Missing .alog file content." });
-  }
-  try {
-    const result = parseAlog(content, req.body?.filename ?? "upload.alog");
-    res.json({ ok: true, ...result });
-  } catch (err) {
-    console.error("alog parse failed:", err);
-    res.status(422).json({ ok: false, code: "unparseable_alog", error: err.message });
-  }
-});
-
-app.get("/api/alog/library", async (_req, res) => {
-  try {
-    res.json({ ok: true, files: await listAlogLibrary() });
-  } catch (err) {
-    res.status(500).json({ ok: false, code: "library_failed", error: err.message });
-  }
-});
-
-app.get("/api/alog/library/:filename", async (req, res) => {
-  try {
-    const result = await readAlogFromLibrary(req.params.filename);
-    res.json({ ok: true, ...result });
-  } catch (err) {
-    const status = err.code === "not_found" ? 404 : err.code === "bad_filename" ? 400 : 422;
-    res.status(status).json({ ok: false, code: err.code ?? "library_read_failed", error: err.message });
-  }
-});
-
-app.listen(PORT, () => {
-  console.log(`Roast planner webapp listening on http://localhost:${PORT}`);
-});
+const root = path.join(path.dirname(fileURLToPath(import.meta.url)), "..");
+const port = Number(process.env.PORT) || 8090;
+const db = createDb();
+await migrate(db);
+createApp({ db, root }).listen(port, () =>
+	console.log(`Roast planner listening on ${port}`),
+);
@@ -0,0 +1,197 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import crypto from "node:crypto";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import request from "supertest";
+import { newDb } from "pg-mem";
+import { createApp } from "../server/app.js";
+
+const root = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "..");
+const password = "this is a long password";
+
+async function setup() {
+	const mem = newDb();
+	mem.public.registerFunction({
+		name: "gen_random_uuid",
+		returns: "uuid",
+		implementation: () => crypto.randomUUID(),
+		impure: true,
+	});
+	const pg = mem.adapters.createPg();
+	const db = new pg.Pool();
+	await db.query(
+		`CREATE TABLE users(id uuid PRIMARY KEY DEFAULT gen_random_uuid(),email text UNIQUE NOT NULL,password_hash text NOT NULL,role text NOT NULL DEFAULT 'user',created_at timestamptz DEFAULT now()); CREATE TABLE sessions(token_hash text PRIMARY KEY,user_id uuid NOT NULL REFERENCES users(id),csrf_hash text NOT NULL,expires_at timestamptz NOT NULL,created_at timestamptz DEFAULT now()); CREATE TABLE roast_plans(id uuid PRIMARY KEY DEFAULT gen_random_uuid(),user_id uuid NOT NULL REFERENCES users(id),plan jsonb NOT NULL,created_at timestamptz DEFAULT now(),updated_at timestamptz DEFAULT now()); CREATE TABLE app_settings(key text PRIMARY KEY,value text NOT NULL); INSERT INTO app_settings VALUES('signup_enabled','true')`,
+	);
+	const app = createApp({
+		db,
+		root,
+		env: {
+			NODE_ENV: "test",
+			BOOTSTRAP_SETUP_TOKEN: "a-secure-bootstrap-token",
+		},
+	});
+	return { db, app, agent: request.agent(app) };
+}
+
+async function signup(agent, email) {
+	const response = await agent
+		.post("/api/auth/signup")
+		.send({ email, password });
+	return { response, csrf: response.body.csrfToken };
+}
+
+test("strict CSP/static modules, no-store data, auth lifecycle, and ownership share one database", async () => {
+	const { db, app, agent: first } = await setup();
+	const second = request.agent(app);
+	const anonymous = request.agent(app);
+
+	const landing = await anonymous.get("/");
+	assert.equal(landing.status, 200);
+	assert.match(
+		landing.headers["content-security-policy"],
+		/default-src 'self'/,
+	);
+	assert.doesNotMatch(
+		landing.headers["content-security-policy"],
+		/(?:default-src|script-src)[^;]*unsafe-inline/,
+	);
+	assert.match(
+		landing.text,
+		/<script type="module" src="\/js\/landing\.js"><\/script>/,
+	);
+	assert.doesNotMatch(landing.text, /<script type="module">/);
+	const adminHtml = await anonymous.get("/admin");
+	assert.equal(adminHtml.status, 401);
+	assert.equal(adminHtml.headers["cache-control"], "no-store, private");
+	assert.equal((await anonymous.get("/api/plans")).status, 401);
+	assert.equal(
+		(await anonymous.get("/api/plans")).headers["cache-control"],
+		"no-store, private",
+	);
+	assert.match(
+		(await anonymous.get("/js/admin.js")).text,
+		/async function load/,
+	);
+	const mainScript = await anonymous.get("/js/main.js");
+	assert.match(mainScript.text, /roastPlannerPlan\.v2/);
+	assert.match(mainScript.text, /localStorage\.removeItem\(key\)/);
+	assert.match(
+		(await anonymous.get("/sw.js")).text,
+		/Never serve authenticated/,
+	);
+
+	const one = await signup(first, "[email protected]");
+	const two = await signup(second, "[email protected]");
+	assert.equal(one.response.status, 201);
+	assert.equal(two.response.status, 201);
+	const plan = await first
+		.post("/api/plans")
+		.set("x-csrf-token", one.csrf)
+		.send({ plan: { fields: { 0.1: "Private" } } });
+	assert.equal(plan.status, 201);
+	assert.equal(
+		(await first.get("/api/plans")).headers["cache-control"],
+		"no-store, private",
+	);
+	assert.equal(
+		(
+			await second
+				.put(`/api/plans/${plan.body.plan.id}`)
+				.set("x-csrf-token", two.csrf)
+				.send({ plan: {} })
+		).status,
+		404,
+	);
+	assert.equal((await second.get("/api/plans")).body.plans.length, 0);
+
+	const login = request.agent(app);
+	assert.equal(
+		(
+			await login
+				.post("/api/auth/login")
+				.send({ email: "[email protected]", password })
+		).status,
+		200,
+	);
+	assert.equal((await login.get("/api/auth/me")).status, 200);
+	const loginCsrf = (
+		await login
+			.post("/api/auth/login")
+			.send({ email: "[email protected]", password })
+	).body.csrfToken;
+	assert.equal(
+		(await login.post("/api/auth/logout").set("x-csrf-token", loginCsrf))
+			.status,
+		200,
+	);
+	assert.equal((await login.get("/api/auth/me")).status, 401);
+
+	const admin = await first.post("/api/auth/bootstrap").send({
+		email: "[email protected]",
+		password,
+		setupToken: "a-secure-bootstrap-token",
+	});
+	assert.equal(admin.status, 201);
+	assert.equal((await first.get("/api/admin/users")).status, 200);
+	assert.equal((await second.get("/api/admin/users")).status, 403);
+	assert.equal(
+		(
+			await first
+				.put("/api/admin/signup-enabled")
+				.set("x-csrf-token", admin.body.csrfToken)
+				.send({ enabled: false })
+		).status,
+		200,
+	);
+	assert.equal(
+		(
+			await anonymous
+				.post("/api/auth/signup")
+				.send({ email: "[email protected]", password })
+		).status,
+		403,
+	);
+	assert.equal(
+		(await db.query("SELECT count(*)::int AS count FROM users")).rows[0].count,
+		3,
+	);
+});
+
+test("bootstrap token is optional after first setup and unavailable before setup without one", async () => {
+	const { app, db } = await setup();
+	const agent = request.agent(app);
+	assert.equal(
+		(
+			await agent.post("/api/auth/bootstrap").send({
+				email: "[email protected]",
+				password,
+				setupToken: "wrong",
+			})
+		).status,
+		403,
+	);
+	const noTokenApp = createApp({ db, root, env: { NODE_ENV: "test" } });
+	assert.equal(
+		(
+			await request(noTokenApp).post("/api/auth/bootstrap").send({
+				email: "[email protected]",
+				password,
+			})
+		).status,
+		503,
+	);
+	await db.query(
+		"INSERT INTO users(email,password_hash,role) VALUES($1,$2,'admin')",
+		["[email protected]", "not-used-in-this-test"],
+	);
+	assert.equal(
+		(
+			await request(noTokenApp).post("/api/auth/bootstrap").send({
+				email: "[email protected]",
+				password,
+			})
+		).status,
+		409,
+	);
+});
@@ -0,0 +1,89 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import { execFile } from "node:child_process";
+import { mkdtemp, mkdir, writeFile } from "node:fs/promises";
+import os from "node:os";
+import path from "node:path";
+import { promisify } from "node:util";
+
+const execFileAsync = promisify(execFile);
+const root = path.resolve(import.meta.dirname, "..");
+
+async function dockerAvailable() {
+	try {
+		await execFileAsync("docker", ["info"], { timeout: 15_000 });
+		return true;
+	} catch {
+		return false;
+	}
+}
+
+test("Docker image starts against PostgreSQL and applies migrations", async (t) => {
+	if (!(await dockerAvailable())) {
+		t.skip("Docker daemon is unavailable");
+		return;
+	}
+	const temp = await mkdtemp(
+		path.join(os.tmpdir(), "roast-planner-container-"),
+	);
+	const agentDir = path.join(temp, "pi-agent");
+	await mkdir(agentDir);
+	const envFile = path.join(temp, "compose.env");
+	await writeFile(
+		envFile,
+		`POSTGRES_PASSWORD=container-test-password\nBOOTSTRAP_SETUP_TOKEN=\nPI_AGENT_CONFIG_DIR=${agentDir}\n`,
+	);
+	const project = `roastplanner${Date.now()}`;
+	const compose = (args, options = {}) =>
+		execFileAsync(
+			"docker",
+			["compose", "--project-name", project, "--env-file", envFile, ...args],
+			{ cwd: root, timeout: 120_000, ...options },
+		);
+	t.after(async () => {
+		try {
+			await compose(["down", "--volumes", "--remove-orphans"]);
+		} catch {
+			// Preserve the startup failure rather than masking it with cleanup.
+		}
+	});
+	await compose(["up", "--build", "--detach"]);
+
+	let lastError;
+	for (let attempt = 0; attempt < 30; attempt++) {
+		try {
+			await compose([
+				"exec",
+				"-T",
+				"app",
+				"node",
+				"--input-type=module",
+				"-e",
+				"const response = await fetch('http://127.0.0.1:8090/'); process.exit(response.ok ? 0 : 1)",
+			]);
+			lastError = null;
+			break;
+		} catch (error) {
+			lastError = error;
+			await new Promise((resolve) => setTimeout(resolve, 1_000));
+		}
+	}
+	assert.equal(
+		lastError,
+		null,
+		"application never became ready in its container",
+	);
+	const migration = await compose([
+		"exec",
+		"-T",
+		"db",
+		"psql",
+		"-U",
+		"roast",
+		"-d",
+		"roast",
+		"-tAc",
+		"SELECT count(*) FROM schema_migrations WHERE filename = '001_auth.sql'",
+	]);
+	assert.equal(migration.stdout.trim(), "1");
+});
Author	SHA1	Message	Date
snowspeeder	122427d30d	fix: redirect authenticated users to planner	2026-07-29 22:56:06 -04:00
snowspeeder	f56dc8efa9	feat: allow initial admin setup from landing page	2026-07-29 22:12:37 -04:00
snowspeeder	22e6e721a7	chore: format auth code and update runtime	2026-07-29 22:11:08 -04:00
snowspeeder	892479dceb	feat: harden authenticated deployment	2026-07-29 22:04:40 -04:00
snowspeeder	432dd2176f	feat: add secure auth, admin and postgres persistence	2026-07-29 21:52:22 -04:00