Initial commit: restructure to flat layout with ui/ and web/ at root

web/server/lib/quota/providers/google/api.js

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+/**
+ * Google Provider - API
+ *
+ * API calls for Google quota providers.
+ * @module quota/providers/google/api
+ */
+
+const GOOGLE_PRIMARY_ENDPOINT = 'https://cloudcode-pa.googleapis.com';
+
+const GOOGLE_ENDPOINTS = [
+  'https://daily-cloudcode-pa.sandbox.googleapis.com',
+  'https://autopush-cloudcode-pa.sandbox.googleapis.com',
+  GOOGLE_PRIMARY_ENDPOINT
+];
+
+const GOOGLE_HEADERS = {
+  'User-Agent': 'antigravity/1.11.5 windows/amd64',
+  'X-Goog-Api-Client': 'google-cloud-sdk vscode_cloudshelleditor/0.1',
+  'Client-Metadata':
+    '{"ideType":"IDE_UNSPECIFIED","platform":"PLATFORM_UNSPECIFIED","pluginType":"GEMINI"}'
+};
+
+export const refreshGoogleAccessToken = async (refreshToken, clientId, clientSecret) => {
+  const response = await fetch('https://oauth2.googleapis.com/token', {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
+    body: new URLSearchParams({
+      client_id: clientId,
+      client_secret: clientSecret,
+      refresh_token: refreshToken,
+      grant_type: 'refresh_token'
+    })
+  });
+
+  if (!response.ok) {
+    return null;
+  }
+
+  const data = await response.json();
+  return typeof data?.access_token === 'string' ? data.access_token : null;
+};
+
+export const fetchGoogleQuotaBuckets = async (accessToken, projectId) => {
+  const body = projectId ? { project: projectId } : {};
+
+  try {
+    const response = await fetch(`${GOOGLE_PRIMARY_ENDPOINT}/v1internal:retrieveUserQuota`, {
+      method: 'POST',
+      headers: {
+        Authorization: `Bearer ${accessToken}`,
+        'Content-Type': 'application/json'
+      },
+      body: JSON.stringify(body),
+      signal: AbortSignal.timeout(15000)
+    });
+
+    if (!response.ok) {
+      return null;
+    }
+
+    return await response.json();
+  } catch {
+    return null;
+  }
+};
+
+export const fetchGoogleModels = async (accessToken, projectId) => {
+  const body = projectId ? { project: projectId } : {};
+
+  for (const endpoint of GOOGLE_ENDPOINTS) {
+    try {
+      const response = await fetch(`${endpoint}/v1internal:fetchAvailableModels`, {
+        method: 'POST',
+        headers: {
+          Authorization: `Bearer ${accessToken}`,
+          'Content-Type': 'application/json',
+          ...GOOGLE_HEADERS
+        },
+        body: JSON.stringify(body),
+        signal: AbortSignal.timeout(15000)
+      });
+
+      if (response.ok) {
+        return await response.json();
+      }
+    } catch {
+      continue;
+    }
+  }
+
+  return null;
+};

web/server/lib/quota/providers/google/auth.js

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+/**
+ * Google Provider - Auth
+ *
+ * Authentication resolution logic for Google quota providers.
+ * @module quota/providers/google/auth
+ */
+
+import {
+  ANTIGRAVITY_ACCOUNTS_PATHS,
+  readJsonFile,
+  getAuthEntry,
+  normalizeAuthEntry,
+  asObject,
+  asNonEmptyString,
+  toTimestamp
+} from '../../utils/index.js';
+import { readAuthFile } from '../../../opencode/auth.js';
+import { parseGoogleRefreshToken } from './transforms.js';
+
+const ANTIGRAVITY_GOOGLE_CLIENT_ID =
+  '1071006060591-tmhssin2h21lcre235vtolojh4g403ep.apps.googleusercontent.com';
+const ANTIGRAVITY_GOOGLE_CLIENT_SECRET = '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';
+const GEMINI_GOOGLE_CLIENT_ID =
+  '681255809395-oo8ft2oprdrnp9e3aqf6av3hmdib135j.apps.googleusercontent.com';
+const GEMINI_GOOGLE_CLIENT_SECRET = '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';
+export const DEFAULT_PROJECT_ID = 'rising-fact-p41fc';
+
+export const resolveGoogleOAuthClient = (sourceId) => {
+  if (sourceId === 'gemini') {
+    return {
+      clientId: GEMINI_GOOGLE_CLIENT_ID,
+      clientSecret: GEMINI_GOOGLE_CLIENT_SECRET
+    };
+  }
+
+  return {
+    clientId: ANTIGRAVITY_GOOGLE_CLIENT_ID,
+    clientSecret: ANTIGRAVITY_GOOGLE_CLIENT_SECRET
+  };
+};
+
+export const resolveGeminiCliAuth = (auth) => {
+  const entry = normalizeAuthEntry(getAuthEntry(auth, ['google', 'google.oauth']));
+  const entryObject = asObject(entry);
+  if (!entryObject) {
+    return null;
+  }
+
+  const oauthObject = asObject(entryObject.oauth) ?? entryObject;
+  const accessToken = asNonEmptyString(oauthObject.access) ?? asNonEmptyString(oauthObject.token);
+  const refreshParts = parseGoogleRefreshToken(oauthObject.refresh);
+
+  if (!accessToken && !refreshParts.refreshToken) {
+    return null;
+  }
+
+  return {
+    sourceId: 'gemini',
+    sourceLabel: 'Gemini',
+    accessToken,
+    refreshToken: refreshParts.refreshToken,
+    projectId: refreshParts.projectId ?? refreshParts.managedProjectId,
+    expires: toTimestamp(oauthObject.expires)
+  };
+};
+
+export const resolveAntigravityAuth = () => {
+  for (const filePath of ANTIGRAVITY_ACCOUNTS_PATHS) {
+    const data = readJsonFile(filePath);
+    const accounts = data?.accounts;
+    if (Array.isArray(accounts) && accounts.length > 0) {
+      const index = typeof data.activeIndex === 'number' ? data.activeIndex : 0;
+      const account = accounts[index] ?? accounts[0];
+      if (account?.refreshToken) {
+        const refreshParts = parseGoogleRefreshToken(account.refreshToken);
+        return {
+          sourceId: 'antigravity',
+          sourceLabel: 'Antigravity',
+          refreshToken: refreshParts.refreshToken,
+          projectId: asNonEmptyString(account.projectId)
+            ?? asNonEmptyString(account.managedProjectId)
+            ?? refreshParts.projectId
+            ?? refreshParts.managedProjectId,
+          email: account.email
+        };
+      }
+    }
+  }
+
+  return null;
+};
+
+export const resolveGoogleAuthSources = () => {
+  const auth = readAuthFile();
+  const sources = [];
+
+  const geminiAuth = resolveGeminiCliAuth(auth);
+  if (geminiAuth) {
+    sources.push(geminiAuth);
+  }
+
+  const antigravityAuth = resolveAntigravityAuth();
+  if (antigravityAuth) {
+    sources.push(antigravityAuth);
+  }
+
+  return sources;
+};

web/server/lib/quota/providers/google/index.js

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+/**
+ * Google Provider
+ *
+ * Google quota provider implementation.
+ * @module quota/providers/google
+ */
+
+export {
+  resolveGoogleOAuthClient,
+  resolveGeminiCliAuth,
+  resolveAntigravityAuth,
+  resolveGoogleAuthSources,
+  DEFAULT_PROJECT_ID
+} from './auth.js';
+
+export {
+  resolveGoogleWindow,
+  transformQuotaBucket,
+  transformModelData
+} from './transforms.js';
+
+export {
+  refreshGoogleAccessToken,
+  fetchGoogleQuotaBuckets,
+  fetchGoogleModels
+} from './api.js';
+
+import { buildResult } from '../../utils/index.js';
+import {
+  resolveGoogleAuthSources,
+  resolveGoogleOAuthClient,
+  DEFAULT_PROJECT_ID
+} from './auth.js';
+import { transformQuotaBucket, transformModelData } from './transforms.js';
+import {
+  refreshGoogleAccessToken,
+  fetchGoogleQuotaBuckets,
+  fetchGoogleModels
+} from './api.js';
+
+export const fetchGoogleQuota = async () => {
+  const authSources = resolveGoogleAuthSources();
+  if (!authSources.length) {
+    return buildResult({
+      providerId: 'google',
+      providerName: 'Google',
+      ok: false,
+      configured: false,
+      error: 'Not configured'
+    });
+  }
+
+  const models = {};
+  const sourceErrors = [];
+
+  for (const source of authSources) {
+    const now = Date.now();
+    let accessToken = source.accessToken;
+
+    if (!accessToken || (typeof source.expires === 'number' && source.expires <= now)) {
+      if (!source.refreshToken) {
+        sourceErrors.push(`${source.sourceLabel}: Missing refresh token`);
+        continue;
+      }
+      const { clientId, clientSecret } = resolveGoogleOAuthClient(source.sourceId);
+      accessToken = await refreshGoogleAccessToken(source.refreshToken, clientId, clientSecret);
+    }
+
+    if (!accessToken) {
+      sourceErrors.push(`${source.sourceLabel}: Failed to refresh OAuth token`);
+      continue;
+    }
+
+    const projectId = source.projectId ?? DEFAULT_PROJECT_ID;
+    let mergedAnyModel = false;
+
+    if (source.sourceId === 'gemini') {
+      const quotaPayload = await fetchGoogleQuotaBuckets(accessToken, projectId);
+      const buckets = Array.isArray(quotaPayload?.buckets) ? quotaPayload.buckets : [];
+
+      for (const bucket of buckets) {
+        const transformed = transformQuotaBucket(bucket, source.sourceId);
+        if (transformed) {
+          Object.assign(models, transformed);
+          mergedAnyModel = true;
+        }
+      }
+    }
+
+    const payload = await fetchGoogleModels(accessToken, projectId);
+    if (payload) {
+      for (const [modelName, modelData] of Object.entries(payload.models ?? {})) {
+        const transformed = transformModelData(modelName, modelData, source.sourceId);
+        Object.assign(models, transformed);
+        mergedAnyModel = true;
+      }
+    }
+
+    if (!mergedAnyModel) {
+      sourceErrors.push(`${source.sourceLabel}: Failed to fetch models`);
+    }
+  }
+
+  if (!Object.keys(models).length) {
+    return buildResult({
+      providerId: 'google',
+      providerName: 'Google',
+      ok: false,
+      configured: true,
+      error: sourceErrors[0] ?? 'Failed to fetch models'
+    });
+  }
+
+  return buildResult({
+    providerId: 'google',
+    providerName: 'Google',
+    ok: true,
+    configured: true,
+    usage: {
+      windows: {},
+      models: Object.keys(models).length ? models : undefined
+    }
+  });
+};

web/server/lib/quota/providers/google/transforms.js

@@ -0,0 +1,109 @@
+/**
+ * Google Provider - Transforms
+ *
+ * Data transformation functions for Google quota responses.
+ * @module quota/providers/google/transforms
+ */
+
+import {
+  asNonEmptyString,
+  toNumber,
+  toTimestamp,
+  toUsageWindow
+} from '../../utils/index.js';
+
+const GOOGLE_FIVE_HOUR_WINDOW_SECONDS = 5 * 60 * 60;
+const GOOGLE_DAILY_WINDOW_SECONDS = 24 * 60 * 60;
+
+export const parseGoogleRefreshToken = (rawRefreshToken) => {
+  const refreshToken = asNonEmptyString(rawRefreshToken);
+  if (!refreshToken) {
+    return { refreshToken: null, projectId: null, managedProjectId: null };
+  }
+
+  const [rawToken = '', rawProject = '', rawManagedProject = ''] = refreshToken.split('|');
+  return {
+    refreshToken: asNonEmptyString(rawToken),
+    projectId: asNonEmptyString(rawProject),
+    managedProjectId: asNonEmptyString(rawManagedProject)
+  };
+};
+
+export const resolveGoogleWindow = (sourceId, resetAt) => {
+  if (sourceId === 'gemini') {
+    return { label: 'daily', seconds: GOOGLE_DAILY_WINDOW_SECONDS };
+  }
+
+  if (sourceId === 'antigravity') {
+    const remainingSeconds = typeof resetAt === 'number'
+      ? Math.max(0, Math.round((resetAt - Date.now()) / 1000))
+      : null;
+
+    if (remainingSeconds !== null && remainingSeconds > 10 * 60 * 60) {
+      return { label: 'daily', seconds: GOOGLE_DAILY_WINDOW_SECONDS };
+    }
+
+    return { label: '5h', seconds: GOOGLE_FIVE_HOUR_WINDOW_SECONDS };
+  }
+
+  return { label: 'daily', seconds: GOOGLE_DAILY_WINDOW_SECONDS };
+};
+
+export const transformQuotaBucket = (bucket, sourceId) => {
+  const modelId = asNonEmptyString(bucket?.modelId);
+  if (!modelId) {
+    return null;
+  }
+
+  const scopedName = modelId.startsWith(`${sourceId}/`)
+    ? modelId
+    : `${sourceId}/${modelId}`;
+
+  const remainingFraction = toNumber(bucket?.remainingFraction);
+  const remainingPercent = remainingFraction !== null
+    ? Math.round(remainingFraction * 100)
+    : null;
+  const usedPercent = remainingPercent !== null ? Math.max(0, 100 - remainingPercent) : null;
+  const resetAt = toTimestamp(bucket?.resetTime);
+  const window = resolveGoogleWindow(sourceId, resetAt);
+
+  return {
+    [scopedName]: {
+      windows: {
+        [window.label]: toUsageWindow({
+          usedPercent,
+          windowSeconds: window.seconds,
+          resetAt
+        })
+      }
+    }
+  };
+};
+
+export const transformModelData = (modelName, modelData, sourceId) => {
+  const scopedName = modelName.startsWith(`${sourceId}/`)
+    ? modelName
+    : `${sourceId}/${modelName}`;
+
+  const remainingFraction = modelData?.quotaInfo?.remainingFraction;
+  const remainingPercent = typeof remainingFraction === 'number'
+    ? Math.round(remainingFraction * 100)
+    : null;
+  const usedPercent = remainingPercent !== null ? Math.max(0, 100 - remainingPercent) : null;
+  const resetAt = modelData?.quotaInfo?.resetTime
+    ? new Date(modelData.quotaInfo.resetTime).getTime()
+    : null;
+  const window = resolveGoogleWindow(sourceId, resetAt);
+
+  return {
+    [scopedName]: {
+      windows: {
+        [window.label]: toUsageWindow({
+          usedPercent,
+          windowSeconds: window.seconds,
+          resetAt
+        })
+      }
+    }
+  };
+};