feat: implement Ollama cloud usage server

Add a lightweight Node.js server that scrapes Ollama cloud usage data from ollama.com/settings and exposes it as a JSON API. - Support for email/password and cookie-based authentication - Automated polling and Home Assistant integration - Endpoints for usage data, manual refresh, and cookie management - Comprehensive README and environment configuration
2026-05-07 14:46:36 +01:00 · 2026-05-07 14:46:36 +01:00 · 87a3844255
commit 87a3844255
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--- a/.env.example
+++ b/.env.example
@ -0,0 +1,18 @@
+# Auth mode: "email" for automated login, "cookies" to use exported browser cookies
+# For Google accounts without a password, use "cookies" mode
+# Default: "email" if OLLAMA_PASSWORD is set, otherwise "cookies"
+AUTH_MODE=email
+
+# For email auth mode
+OLLAMA_EMAIL=you@example.com
+OLLAMA_PASSWORD=your-password
+
+# Server port (default: 3214)
+PORT=3214
+
+# Polling interval in minutes (default: 10)
+POLL_MINUTES=30
+
+# Optional: Home Assistant push
+HA_URL=http://homeassistant.local:8123
+HA_TOKEN=eyJhbGciOi...
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,3 @@
+.env
+.cookies.json
+node_modules/
--- a/README.md
+++ b/README.md
@ -0,0 +1,148 @@
+# Ollama Cloud Usage Server
+
+A lightweight Node.js server that scrapes your Ollama cloud usage from `ollama.com/settings` and exposes it as a JSON API. Works on headless servers. Optionally pushes to Home Assistant.
+
+**No browser on the server needed** — uses pure HTTP requests with cookie management.
+
+## Setup
+
+```bash
+cp .env.example .env   # Edit with your settings
+npm install
+npm start
+```
+
+## Authentication
+
+You have two options:
+
+### Option 1: Email/Password (for accounts with a password)
+
+Set in `.env`:
+```
+AUTH_MODE=email
+OLLAMA_EMAIL=you@example.com
+OLLAMA_PASSWORD=your-password
+```
+
+If your account was created via Google OAuth and has no password set, use Option 2.
+
+### Option 2: Export cookies from your browser (works with Google/GitHub accounts)
+
+Use this if you sign in with Google/GitHub and don't have a password on your Ollama account.
+
+**Using a cookie export extension** (e.g. [EditThisCookie](https://editthiscookie.com/) or [Cookie-Editor](https://cookie-editor.com/)):
+1. Install the extension, sign into ollama.com
+2. Export cookies for ollama.com as JSON
+3. POST the JSON array to the server:
+
+```bash
+curl -X POST http://localhost:3214/api/cookies \
+  -H "Content-Type: application/json" \
+  -d @cookies.json
+```
+
+**Using DevTools directly:**
+1. Sign into ollama.com in your browser
+2. Open DevTools → Application → Cookies → `https://ollama.com`
+3. Copy each cookie's name/value and POST as JSON
+
+Cookies are saved to `.cookies.json` and reused across polls. They eventually expire, at which point you'll need to re-export them.
+
+**Set in `.env`:**
+```
+AUTH_MODE=cookies
+```
+
+## API Endpoints
+
+| Endpoint | Method | Description |
+|---|---|---|
+| `/api/usage` | GET | Latest polled usage data |
+| `/api/usage/refresh` | GET | Force a fresh poll right now |
+| `/api/health` | GET | Server status and config |
+| `/api/cookies` | POST | Upload/replace cookies (JSON array) |
+
+### Example response (`/api/usage`)
+
+```json
+{
+  "session": {
+    "percent": 9.2,
+    "resetsIn": "2 hours"
+  },
+  "weekly": {
+    "percent": 32.9,
+    "resetsIn": "3 days"
+  },
+  "fetchedAt": "2026-05-07T13:08:44.194Z"
+}
+```
+
+## Home Assistant Integration
+
+### Option A: Automatic push
+
+Set `HA_URL` and `HA_TOKEN` in `.env`. The server pushes to `sensor.ollama_session_usage` and `sensor.ollama_weekly_usage` after every poll. Sensors are created automatically in HA — no need to define them manually.
+
+### Option B: REST sensor (pull from HA)
+
+Add to `configuration.yaml`:
+
+```yaml
+sensor:
+  - platform: rest
+    name: Ollama Session Usage
+    resource: http://localhost:3214/api/usage
+    value_template: "{{ value_json.session.percent | default('unavailable') }}"
+    unit_of_measurement: "%"
+    state_class: measurement
+    json_attributes:
+      - session
+      - weekly
+      - fetchedAt
+    scan_interval: 1800
+
+  - platform: rest
+    name: Ollama Weekly Usage
+    resource: http://localhost:3214/api/usage
+    value_template: "{{ value_json.weekly.percent | default('unavailable') }}"
+    unit_of_measurement: "%"
+    state_class: measurement
+    scan_interval: 1800
+```
+
+## Environment Variables
+
+| Variable | Default | Description |
+|---|---|---|
+| `AUTH_MODE` | `email` if password set, else `cookies` | `email` or `cookies` |
+| `OLLAMA_EMAIL` | — | Email for email auth mode |
+| `OLLAMA_PASSWORD` | — | Password for email auth mode |
+| `PORT` | 3214 | Server port |
+| `POLL_MINUTES` | 30 | Poll interval in minutes |
+| `HA_URL` | — | Home Assistant URL (no trailing slash) |
+| `HA_TOKEN` | — | HA long-lived access token |
+| `COOKIE_FILE` | `.cookies.json` | Path to persist cookies |
+
+## Updating Cookies
+
+When cookies expire, re-export from your browser and POST again — it overwrites the old ones:
+
+```bash
+curl -X POST http://localhost:3214/api/cookies \
+  -H "Content-Type: application/json" \
+  -d @fresh-cookies.json
+```
+
+The server logs will show `needsLogin` when cookies have expired.
+
+## Running as a Service
+
+```bash
+# Using pm2
+npm install -g pm2
+pm2 start server.js --name ollama-usage
+pm2 save
+pm2 startup
+```
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+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/statuses": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.2.tgz",
+      "integrity": "sha512-DvEy55V3DB7uknRo+4iOGT5fP1slR8wQohVdknigZPMpMstaKJQWhwiYBACJE3Ul2pTnATihhBYnRhZQHGBiRw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/toidentifier": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
+      "integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.6"
+      }
+    },
+    "node_modules/type-is": {
+      "version": "1.6.18",
+      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
+      "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
+      "license": "MIT",
+      "dependencies": {
+        "media-typer": "0.3.0",
+        "mime-types": "~2.1.24"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/unpipe": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
+      "integrity": "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/utils-merge": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
+      "integrity": "sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4.0"
+      }
+    },
+    "node_modules/vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    }
+  }
+}
--- a/package.json
+++ b/package.json
@ -0,0 +1,13 @@
+{
+  "name": "ollama-usage-server",
+  "version": "1.0.0",
+  "description": "Polls ollama.com/settings for cloud usage data and exposes it as a JSON API. Optionally pushes to Home Assistant.",
+  "main": "server.js",
+  "scripts": {
+    "start": "node server.js"
+  },
+  "dependencies": {
+    "dotenv": "^16.4.5",
+    "express": "^4.21.0"
+  }
+}
--- a/server.js
+++ b/server.js
@ -0,0 +1,439 @@
+require("dotenv").config();
+
+const express = require("express");
+const fs = require("fs");
+const path = require("path");
+
+const SETTINGS_URL = "https://ollama.com/settings";
+const SIGNIN_URL = "https://ollama.com/signin";
+const POLL_MINUTES = parseInt(process.env.POLL_MINUTES || "30", 10);
+const PORT = parseInt(process.env.PORT || "3214", 10);
+
+const OLLAMA_EMAIL = process.env.OLLAMA_EMAIL || "";
+const OLLAMA_PASSWORD = process.env.OLLAMA_PASSWORD || "";
+const AUTH_MODE = (process.env.AUTH_MODE || "").toLowerCase();
+const HA_URL = (process.env.HA_URL || "").replace(/\/+$/, "");
+const HA_TOKEN = process.env.HA_TOKEN || "";
+const COOKIE_FILE = process.env.COOKIE_FILE || path.join(__dirname, ".cookies.json");
+
+let latestState = null;
+let authCookies = null;
+
+function loadCookies() {
+  try {
+    const data = fs.readFileSync(COOKIE_FILE, "utf-8");
+    authCookies = JSON.parse(data);
+    console.log("[auth] Loaded cookies from file");
+    return true;
+  } catch {
+    return false;
+  }
+}
+
+function saveCookies(cookies) {
+  authCookies = cookies;
+  try {
+    fs.writeFileSync(COOKIE_FILE, JSON.stringify(cookies, null, 2));
+  } catch (err) {
+    console.error("[auth] Failed to save cookies:", err.message);
+  }
+}
+
+function cookieString(cookies) {
+  return cookies.map((c) => `${c.name}=${c.value}`).join("; ");
+}
+
+function parseSetCookies(setCookieHeaders) {
+  if (!setCookieHeaders) return [];
+  const arr = Array.isArray(setCookieHeaders) ? setCookieHeaders : [setCookieHeaders];
+  return arr.map((header) => {
+    const parts = header.split(";")[0].split("=");
+    const name = parts[0].trim();
+    const value = parts.slice(1).join("=").trim();
+    return { name, value };
+  });
+}
+
+function mergeCookies(existing, incoming) {
+  const map = new Map();
+  for (const c of existing) map.set(c.name, c);
+  for (const c of incoming) map.set(c.name, c);
+  return [...map.values()];
+}
+
+async function httpRequest(url, options = {}) {
+  const headers = { ...options.headers };
+  if (authCookies && authCookies.length > 0) {
+    headers["Cookie"] = cookieString(authCookies);
+  }
+  headers["User-Agent"] = headers["User-Agent"] || "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36";
+
+  const res = await fetch(url, {
+    ...options,
+    headers,
+    redirect: "manual",
+  });
+
+  const setCookies = res.headers.getSetCookie?.() || [];
+  if (setCookies.length > 0 && authCookies) {
+    const parsed = parseSetCookies(setCookies);
+    authCookies = mergeCookies(authCookies, parsed);
+    saveCookies(authCookies);
+  }
+
+  return res;
+}
+
+async function fetchWithCookies(url, options = {}) {
+  let res = await httpRequest(url, options);
+
+  const location = res.headers.get("location");
+  if (location && (res.status === 301 || res.status === 302 || res.status === 303 || res.status === 307 || res.status === 308)) {
+    const nextUrl = new URL(location, url).href;
+    return fetchWithCookies(nextUrl, options);
+  }
+
+  return res;
+}
+
+function findUsage(html, label) {
+  const idx = html.indexOf(label);
+  if (idx === -1) return null;
+  const slice = html.slice(idx, idx + 3000);
+  const pct = slice.match(/(\d+(?:\.\d+)?)\s*%/);
+  const reset = slice.match(/Resets?\s+in\s+([^<\n.]+?)(?:<|\n|$)/i);
+  if (!pct) return null;
+  return {
+    percent: parseFloat(pct[1]),
+    resetsIn: reset ? reset[1].trim().replace(/\s+/g, " ") : null,
+  };
+}
+
+async function loginWithEmail() {
+  console.log("[auth] Logging in with email/password...");
+
+  authCookies = [];
+
+  const getRes = await fetch(SIGNIN_URL, {
+    headers: { "User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36" },
+    redirect: "manual",
+  });
+
+  const setCookies = getRes.headers.getSetCookie?.() || [];
+  authCookies = mergeCookies(authCookies, parseSetCookies(setCookies));
+
+  let csrfToken = null;
+  if (getRes.status >= 200 && getRes.status < 400) {
+    const html = await getRes.text();
+    const csrfMatch = html.match(/name="csrf[_-]token"\s+(?:value|content)="([^"]+)"/i) ||
+      html.match(/<meta\s+name="csrf[_-]token"\s+content="([^"]+)"/i) ||
+      html.match(/name="_csrf"\s+value="([^"]+)"/i) ||
+      html.match(/name="csrf"\s+value="([^"]+)"/i);
+    if (csrfMatch) csrfToken = csrfMatch[1];
+  }
+
+  const formHeaders = {
+    "Content-Type": "application/x-www-form-urlencoded",
+    "User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36",
+    "Referer": SIGNIN_URL,
+    "Origin": "https://ollama.com",
+  };
+  if (authCookies.length > 0) formHeaders["Cookie"] = cookieString(authCookies);
+
+  let body = `email=${encodeURIComponent(OLLAMA_EMAIL)}&password=${encodeURIComponent(OLLAMA_PASSWORD)}`;
+  if (csrfToken) body += `&csrf_token=${encodeURIComponent(csrfToken)}&_csrf=${encodeURIComponent(csrfToken)}`;
+
+  const loginRes = await fetch(SIGNIN_URL, {
+    method: "POST",
+    headers: formHeaders,
+    body,
+    redirect: "manual",
+  });
+
+  const loginCookies = loginRes.headers.getSetCookie?.() || [];
+  authCookies = mergeCookies(authCookies, parseSetCookies(loginCookies));
+
+  const location = loginRes.headers.get("location");
+
+  if (loginRes.status === 303 || loginRes.status === 302 || loginRes.status === 301) {
+    if (location && !location.includes("/signin")) {
+      console.log("[auth] Login successful (redirected to", location, ")");
+      saveCookies(authCookies);
+      return true;
+    }
+  }
+
+  if (loginRes.status === 200) {
+    const text = await loginRes.text();
+    if (text.includes("/settings") || text.includes("dashboard")) {
+      console.log("[auth] Login appears successful (200 with settings link)");
+      saveCookies(authCookies);
+      return true;
+    }
+    if (text.includes("invalid") || text.includes("wrong") || text.includes("error")) {
+      throw new Error("Login failed: invalid credentials");
+    }
+  }
+
+  if (location && location.includes("/signin")) {
+    throw new Error("Login failed: redirected back to signin. Check your credentials.");
+  }
+
+  saveCookies(authCookies);
+
+  const verifyRes = await fetchWithCookies(SETTINGS_URL);
+  if (verifyRes.url?.includes("/settings") || verifyRes.status === 200) {
+    const html = await verifyRes.text();
+    if (!html.includes("/signin") || html.includes("Session usage") || html.includes("Weekly usage")) {
+      console.log("[auth] Login verified via settings page");
+      return true;
+    }
+  }
+
+  throw new Error("Login failed: could not authenticate with email/password");
+}
+
+async function tryWithSavedCookies() {
+  console.log("[auth] Trying with saved cookies...");
+  const res = await fetchWithCookies(SETTINGS_URL);
+
+  if (res.status !== 200) {
+    console.log("[auth] Settings page returned", res.status);
+    return false;
+  }
+
+  const html = await res.text();
+
+  if (html.includes("Session usage") || html.includes("Weekly usage")) {
+    console.log("[auth] Saved cookies are valid!");
+    return true;
+  }
+
+  if (html.includes("/signin") || html.includes("sign in") || html.length < 2000) {
+    console.log("[auth] Cookies expired or invalid, need to re-authenticate");
+    return false;
+  }
+
+  console.log("[auth] Page doesn't contain usage data, might need re-auth");
+  return false;
+}
+
+async function pollUsage() {
+  let state;
+
+  try {
+    if (!authCookies || authCookies.length === 0) {
+      if (!loadCookies()) {
+        const mode = AUTH_MODE || (OLLAMA_PASSWORD ? "email" : "cookies");
+        if (mode === "email") {
+          await loginWithEmail();
+        } else {
+          console.error("[auth] No cookies file found. Export cookies from your browser first (see README).");
+          console.error("[auth] Or set OLLAMA_EMAIL + OLLAMA_PASSWORD for email auth.");
+          state = { needsLogin: true, error: "No authentication available. Export cookies or set credentials.", fetchedAt: new Date().toISOString() };
+          latestState = state;
+          return state;
+        }
+      }
+    }
+
+    if (!(await tryWithSavedCookies())) {
+      const mode = AUTH_MODE || (OLLAMA_PASSWORD ? "email" : "cookies");
+      if (mode === "email") {
+        await loginWithEmail();
+      } else {
+        console.error("[auth] Cookies expired and no email/password configured.");
+        state = { needsLogin: true, error: "Session expired. Re-export cookies or set OLLAMA_EMAIL/OLLAMA_PASSWORD.", fetchedAt: new Date().toISOString() };
+        latestState = state;
+        return state;
+      }
+    }
+
+    const res = await fetchWithCookies(SETTINGS_URL);
+    const html = await res.text();
+
+    const session = findUsage(html, "Session usage");
+    const weekly = findUsage(html, "Weekly usage");
+
+    if (session || weekly) {
+      state = { session, weekly, fetchedAt: new Date().toISOString() };
+    } else {
+      if (html.includes("/signin") || html.includes('href="/signin"') || html.length < 2000) {
+        console.log("[auth] Session expired, re-authenticating...");
+        const mode = AUTH_MODE || (OLLAMA_PASSWORD ? "email" : "cookies");
+        if (mode === "email") {
+          await loginWithEmail();
+          const retryRes = await fetchWithCookies(SETTINGS_URL);
+          const retryHtml = await retryRes.text();
+          const retrySession = findUsage(retryHtml, "Session usage");
+          const retryWeekly = findUsage(retryHtml, "Weekly usage");
+          if (retrySession || retryWeekly) {
+            state = { session: retrySession, weekly: retryWeekly, fetchedAt: new Date().toISOString() };
+          } else {
+            state = { needsLogin: true, error: "Re-authentication succeeded but couldn't find usage data.", fetchedAt: new Date().toISOString() };
+          }
+        } else {
+          state = { needsLogin: true, error: "Session expired. Re-export cookies or set OLLAMA_EMAIL/OLLAMA_PASSWORD.", fetchedAt: new Date().toISOString() };
+        }
+      } else {
+        const titleMatch = html.match(/<title>([^<]+)<\/title>/i);
+        state = {
+          scrapeFailed: true,
+          fetchedAt: new Date().toISOString(),
+          debug: {
+            length: html.length,
+            title: titleMatch ? titleMatch[1] : null,
+            hasSessionUsage: html.includes("Session usage"),
+            hasWeeklyUsage: html.includes("Weekly usage"),
+            hasCloudUsage: html.includes("Cloud Usage"),
+            sample: html.slice(0, 600),
+          },
+        };
+      }
+    }
+  } catch (err) {
+    state = { error: String(err), fetchedAt: new Date().toISOString() };
+  }
+
+  latestState = state;
+  console.log("[poll]", JSON.stringify(state, null, 2));
+
+  if (state.session || state.weekly) {
+    pushToHA(state).catch((err) => console.error("[ha] push failed:", err.message));
+  }
+
+  return state;
+}
+
+async function pushToHA(state) {
+  if (!HA_URL || !HA_TOKEN) return;
+
+  const sensors = [];
+  if (state.session) {
+    sensors.push({
+      entity_id: "sensor.ollama_session_usage",
+      body: stateBody("Ollama Session Usage", "mdi:chart-arc", state.session, state.fetchedAt),
+    });
+  }
+  if (state.weekly) {
+    sensors.push({
+      entity_id: "sensor.ollama_weekly_usage",
+      body: stateBody("Ollama Weekly Usage", "mdi:chart-donut", state.weekly, state.fetchedAt),
+    });
+  }
+
+  const haHeaders = {
+    Authorization: `Bearer ${HA_TOKEN}`,
+    "Content-Type": "application/json",
+  };
+
+  for (const s of sensors) {
+    const url = `${HA_URL}/api/states/${s.entity_id}`;
+    console.log(`[ha] POST ${url}`);
+
+    const res = await fetch(url, {
+      method: "POST",
+      headers: haHeaders,
+      body: JSON.stringify(s.body),
+    });
+
+    if (res.ok) {
+      console.log(`[ha] Updated ${s.entity_id}`);
+    } else {
+      const text = await res.text();
+      console.error(`[ha] Failed ${s.entity_id}: HTTP ${res.status} - ${text}`);
+
+      if (res.status === 404) {
+        console.error(`[ha] Hint: 404 usually means the HA URL is wrong or missing /api/states path.`);
+        console.error(`[ha] Current HA_URL: ${HA_URL}`);
+        console.error(`[ha] Full URL attempted: ${url}`);
+        const checkRes = await fetch(`${HA_URL}/api/`, { headers: haHeaders }).catch(() => null);
+        if (checkRes) {
+          const checkText = await checkRes.text().catch(() => "");
+          console.error(`[ha] HA /api/ check: HTTP ${checkRes.status} - ${checkText.slice(0, 200)}`);
+        }
+      }
+    }
+  }
+}
+
+function stateBody(friendlyName, icon, usage, fetchedAt) {
+  return {
+    state: usage.percent.toString(),
+    attributes: {
+      unit_of_measurement: "%",
+      state_class: "measurement",
+      friendly_name: friendlyName,
+      icon,
+      resets_in: usage.resetsIn || null,
+      last_fetched: fetchedAt,
+    },
+  };
+}
+
+const app = express();
+app.set("json spaces", 2);
+
+app.get("/api/usage", (_req, res) => {
+  if (!latestState) {
+    return res.json({ status: "no_data", message: "No data yet. Wait for first poll." });
+  }
+  res.json(latestState);
+});
+
+app.get("/api/usage/refresh", async (_req, res) => {
+  try {
+    const state = await pollUsage();
+    res.json(state);
+  } catch (err) {
+    res.status(500).json({ error: String(err) });
+  }
+});
+
+app.get("/api/health", (_req, res) => {
+  res.json({
+    status: "running",
+    authMode: AUTH_MODE || (OLLAMA_PASSWORD ? "email" : "cookies"),
+    pollInterval: POLL_MINUTES,
+    haConfigured: !!(HA_URL && HA_TOKEN),
+    lastFetch: latestState?.fetchedAt || null,
+  });
+});
+
+app.post("/api/cookies", express.json(), (req, res) => {
+  const cookies = req.body;
+  if (!Array.isArray(cookies)) {
+    return res.status(400).json({ error: "Expected JSON array of cookie objects: [{name, value, ...}]" });
+  }
+  saveCookies(cookies);
+  console.log(`[auth] Received ${cookies.length} cookies via API`);
+  res.json({ ok: true, count: cookies.length });
+});
+
+async function main() {
+  const mode = AUTH_MODE || (OLLAMA_PASSWORD ? "email" : "cookies");
+
+  if (mode === "email" && (!OLLAMA_EMAIL || !OLLAMA_PASSWORD)) {
+    console.error("ERROR: OLLAMA_EMAIL and OLLAMA_PASSWORD required for email auth.");
+    console.error("For cookie mode: export cookies from your browser (see README) and POST to /api/cookies.");
+    process.exit(1);
+  }
+
+  console.log(`[start] Auth: ${mode} | Poll: ${POLL_MINUTES} min | API: :${PORT} | HA: ${HA_URL ? "configured" : "off"}`);
+  loadCookies();
+
+  await pollUsage();
+
+  setInterval(() => {
+    pollUsage().catch((err) => console.error("[poll] error:", err.message));
+  }, POLL_MINUTES * 60 * 1000);
+
+  app.listen(PORT, () => {
+    console.log(`[start] API listening on http://0.0.0.0:${PORT}`);
+  });
+}
+
+main().catch((err) => {
+  console.error("[fatal]", err);
+  process.exit(1);
+});