added pi

pi/.pi/agent/extensions/usage-bars/core.ts

@@ -0,0 +1,731 @@
+import * as fs from "node:fs";
+import * as path from "node:path";
+import * as os from "node:os";
+
+// ---------------------------------------------------------------------------
+// Shared disk cache — lets multiple concurrent pi sessions coordinate so only
+// one actually hits the API per cache window, regardless of how many sessions
+// are open.  Modelled after claude-pulse's cache.json approach.
+// ---------------------------------------------------------------------------
+
+export interface UsageCache {
+  timestamp: number;
+  data: Partial<Record<ProviderKey, UsageData>>;
+  /** ISO timestamp until which a provider is rate-limited (429 backoff). */
+  rateLimitedUntil?: Partial<Record<ProviderKey, number>>;
+}
+
+const USAGE_CACHE_FILE = path.join(os.homedir(), ".pi", "agent", "usage-cache.json");
+
+export function readUsageCache(): UsageCache | null {
+  try {
+    const raw = fs.readFileSync(USAGE_CACHE_FILE, "utf-8");
+    const parsed = JSON.parse(raw);
+    if (typeof parsed?.timestamp === "number") return parsed as UsageCache;
+  } catch {}
+  return null;
+}
+
+export function writeUsageCache(cache: UsageCache): void {
+  try {
+    const dir = path.dirname(USAGE_CACHE_FILE);
+    if (!fs.existsSync(dir)) fs.mkdirSync(dir, { recursive: true });
+    const tmp = `${USAGE_CACHE_FILE}.tmp-${process.pid}-${Date.now()}`;
+    fs.writeFileSync(tmp, JSON.stringify(cache, null, 2));
+    fs.renameSync(tmp, USAGE_CACHE_FILE);
+  } catch {}
+}
+
+export type ProviderKey = "codex" | "claude" | "zai" | "gemini" | "antigravity";
+export type OAuthProviderId = "openai-codex" | "anthropic" | "google-gemini-cli" | "google-antigravity";
+
+export interface AuthData {
+  "openai-codex"?: { access?: string; refresh?: string; expires?: number };
+  anthropic?: { access?: string; refresh?: string; expires?: number };
+  zai?: { key?: string; access?: string; refresh?: string; expires?: number };
+  "google-gemini-cli"?: { access?: string; refresh?: string; projectId?: string; expires?: number };
+  "google-antigravity"?: { access?: string; refresh?: string; projectId?: string; expires?: number };
+}
+
+export interface UsageData {
+  session: number;
+  weekly: number;
+  sessionResetsIn?: string;
+  weeklyResetsIn?: string;
+  extraSpend?: number;
+  extraLimit?: number;
+  error?: string;
+}
+
+export type UsageByProvider = Record<ProviderKey, UsageData | null>;
+
+export interface UsageEndpoints {
+  zai: string;
+  gemini: string;
+  antigravity: string;
+  googleLoadCodeAssistEndpoints: string[];
+}
+
+export interface FetchResponseLike {
+  ok: boolean;
+  status: number;
+  json(): Promise<any>;
+}
+
+export type FetchLike = (input: string, init?: RequestInit) => Promise<FetchResponseLike>;
+
+export interface RequestConfig {
+  fetchFn?: FetchLike;
+  timeoutMs?: number;
+}
+
+export interface FetchConfig extends RequestConfig {
+  endpoints?: UsageEndpoints;
+  env?: NodeJS.ProcessEnv;
+}
+
+export interface OAuthApiKeyResult {
+  newCredentials: Record<string, any>;
+  apiKey: string;
+}
+
+export type OAuthApiKeyResolver = (
+  providerId: OAuthProviderId,
+  credentials: Record<string, Record<string, any>>,
+) => Promise<OAuthApiKeyResult | null>;
+
+export interface EnsureFreshAuthConfig {
+  auth?: AuthData | null;
+  authFile?: string;
+  oauthResolver?: OAuthApiKeyResolver;
+  nowMs?: number;
+  persist?: boolean;
+}
+
+export interface FreshAuthResult {
+  auth: AuthData | null;
+  changed: boolean;
+  refreshErrors: Partial<Record<OAuthProviderId, string>>;
+}
+
+export interface FetchAllUsagesConfig extends FetchConfig, EnsureFreshAuthConfig {
+  auth?: AuthData | null;
+  authFile?: string;
+}
+
+const DEFAULT_FETCH_TIMEOUT_MS = 12_000;
+const TOKEN_REFRESH_SKEW_MS = 60_000;
+
+export const DEFAULT_AUTH_FILE = path.join(os.homedir(), ".pi", "agent", "auth.json");
+export const DEFAULT_ZAI_USAGE_ENDPOINT = "https://api.z.ai/api/monitor/usage/quota/limit";
+export const GOOGLE_QUOTA_ENDPOINT = "https://cloudcode-pa.googleapis.com/v1internal:retrieveUserQuota";
+export const GOOGLE_LOAD_CODE_ASSIST_ENDPOINTS = [
+  "https://cloudcode-pa.googleapis.com/v1internal:loadCodeAssist",
+  "https://daily-cloudcode-pa.sandbox.googleapis.com/v1internal:loadCodeAssist",
+];
+
+export function resolveUsageEndpoints(): UsageEndpoints {
+  return {
+    zai: DEFAULT_ZAI_USAGE_ENDPOINT,
+    gemini: GOOGLE_QUOTA_ENDPOINT,
+    antigravity: GOOGLE_QUOTA_ENDPOINT,
+    googleLoadCodeAssistEndpoints: GOOGLE_LOAD_CODE_ASSIST_ENDPOINTS,
+  };
+}
+
+function toErrorMessage(error: unknown): string {
+  if (error instanceof Error) {
+    if (error.name === "AbortError") return "request timeout";
+    return error.message || String(error);
+  }
+  return String(error);
+}
+
+function asObject(value: unknown): Record<string, any> | null {
+  if (!value || typeof value !== "object") return null;
+  return value as Record<string, any>;
+}
+
+function normalizeUsagePair(session: number, weekly: number): { session: number; weekly: number } {
+  const clean = (v: number) => {
+    if (!Number.isFinite(v)) return 0;
+    return Number(v.toFixed(2));
+  };
+  return { session: clean(session), weekly: clean(weekly) };
+}
+
+async function requestJson(url: string, init: RequestInit, config: RequestConfig = {}): Promise<{ ok: true; data: any } | { ok: false; error: string }> {
+  const fetchFn = config.fetchFn ?? ((fetch as unknown) as FetchLike);
+  const timeoutMs = config.timeoutMs ?? DEFAULT_FETCH_TIMEOUT_MS;
+  const controller = new AbortController();
+  const timeout = timeoutMs > 0 ? setTimeout(() => controller.abort(), timeoutMs) : null;
+
+  try {
+    const response = await fetchFn(url, { ...init, signal: controller.signal });
+    if (!response.ok) return { ok: false, error: `HTTP ${response.status}` };
+
+    try {
+      const data = await response.json();
+      return { ok: true, data };
+    } catch {
+      return { ok: false, error: "invalid JSON response" };
+    }
+  } catch (error) {
+    return { ok: false, error: toErrorMessage(error) };
+  } finally {
+    if (timeout) clearTimeout(timeout);
+  }
+}
+
+export function formatDuration(seconds: number): string {
+  if (!Number.isFinite(seconds) || seconds <= 0) return "now";
+  const d = Math.floor(seconds / 86400);
+  const h = Math.floor((seconds % 86400) / 3600);
+  const m = Math.floor((seconds % 3600) / 60);
+  if (d > 0 && h > 0) return `${d}d ${h}h`;
+  if (d > 0) return `${d}d`;
+  if (h > 0 && m > 0) return `${h}h ${m}m`;
+  if (h > 0) return `${h}h`;
+  if (m > 0) return `${m}m`;
+  return "<1m";
+}
+
+export function formatResetsAt(isoDate: string, nowMs = Date.now()): string {
+  const resetTime = new Date(isoDate).getTime();
+  if (!Number.isFinite(resetTime)) return "";
+  const diffSeconds = Math.max(0, (resetTime - nowMs) / 1000);
+  return formatDuration(diffSeconds);
+}
+
+export function readAuth(authFile = DEFAULT_AUTH_FILE): AuthData | null {
+  try {
+    const parsed = JSON.parse(fs.readFileSync(authFile, "utf-8"));
+    return asObject(parsed) as AuthData;
+  } catch {
+    return null;
+  }
+}
+
+export function writeAuth(auth: AuthData, authFile = DEFAULT_AUTH_FILE): boolean {
+  try {
+    const dir = path.dirname(authFile);
+    if (!fs.existsSync(dir)) fs.mkdirSync(dir, { recursive: true });
+
+    const tmpPath = `${authFile}.tmp-${process.pid}-${Date.now()}`;
+    fs.writeFileSync(tmpPath, JSON.stringify(auth, null, 2));
+    fs.renameSync(tmpPath, authFile);
+    return true;
+  } catch {
+    return false;
+  }
+}
+
+let cachedOAuthResolver: OAuthApiKeyResolver | null = null;
+
+async function getDefaultOAuthResolver(): Promise<OAuthApiKeyResolver> {
+  if (cachedOAuthResolver) return cachedOAuthResolver;
+
+  const mod = await import("@mariozechner/pi-ai");
+  if (typeof (mod as any).getOAuthApiKey !== "function") {
+    throw new Error("oauth resolver unavailable");
+  }
+
+  cachedOAuthResolver = (providerId, credentials) =>
+    (mod as any).getOAuthApiKey(providerId, credentials) as Promise<OAuthApiKeyResult | null>;
+
+  return cachedOAuthResolver;
+}
+
+function isCredentialExpired(creds: { expires?: number } | undefined, nowMs: number): boolean {
+  if (!creds) return false;
+  if (typeof creds.expires !== "number") return false;
+  return nowMs + TOKEN_REFRESH_SKEW_MS >= creds.expires;
+}
+
+export async function ensureFreshAuthForProviders(
+  providerIds: OAuthProviderId[],
+  config: EnsureFreshAuthConfig = {},
+): Promise<FreshAuthResult> {
+  const authFile = config.authFile ?? DEFAULT_AUTH_FILE;
+  const auth = config.auth ?? readAuth(authFile);
+  if (!auth) {
+    return { auth: null, changed: false, refreshErrors: {} };
+  }
+
+  const nowMs = config.nowMs ?? Date.now();
+  const uniqueProviders = Array.from(new Set(providerIds));
+  const nextAuth: AuthData = { ...auth };
+  const refreshErrors: Partial<Record<OAuthProviderId, string>> = {};
+
+  let changed = false;
+
+  for (const providerId of uniqueProviders) {
+    const creds = (nextAuth as any)[providerId] as { access?: string; refresh?: string; expires?: number } | undefined;
+    if (!creds?.refresh) continue;
+
+    const needsRefresh = !creds.access || isCredentialExpired(creds, nowMs);
+    if (!needsRefresh) continue;
+
+    try {
+      const resolver = config.oauthResolver ?? (await getDefaultOAuthResolver());
+      const resolved = await resolver(providerId, nextAuth as any);
+      if (!resolved?.newCredentials) {
+        refreshErrors[providerId] = "missing OAuth credentials";
+        continue;
+      }
+
+      (nextAuth as any)[providerId] = {
+        ...(nextAuth as any)[providerId],
+        ...resolved.newCredentials,
+      };
+      changed = true;
+    } catch (error) {
+      refreshErrors[providerId] = toErrorMessage(error);
+    }
+  }
+
+  if (changed && config.persist !== false) {
+    writeAuth(nextAuth, authFile);
+  }
+
+  return { auth: nextAuth, changed, refreshErrors };
+}
+
+export function readPercentCandidate(value: unknown): number | null {
+  if (typeof value !== "number" || !Number.isFinite(value)) return null;
+
+  if (value >= 0 && value <= 1) {
+    if (Number.isInteger(value)) return value;
+    return value * 100;
+  }
+
+  if (value >= 0 && value <= 100) return value;
+  return null;
+}
+
+export function readLimitPercent(limit: any): number | null {
+  const direct = [
+    limit?.percentage,
+    limit?.utilization,
+    limit?.used_percent,
+    limit?.usedPercent,
+    limit?.usagePercent,
+    limit?.usage_percent,
+  ]
+    .map(readPercentCandidate)
+    .find((v) => v != null);
+
+  if (direct != null) return direct;
+
+  const current = typeof limit?.currentValue === "number" ? limit.currentValue : null;
+  const remaining = typeof limit?.remaining === "number" ? limit.remaining : null;
+
+  if (current != null && remaining != null && current + remaining > 0) {
+    return (current / (current + remaining)) * 100;
+  }
+
+  return null;
+}
+
+export function extractUsageFromPayload(data: any): { session: number; weekly: number } | null {
+  const limitArrays = [data?.data?.limits, data?.limits, data?.quota?.limits, data?.data?.quota?.limits];
+  const limits = limitArrays.find((arr) => Array.isArray(arr)) as any[] | undefined;
+
+  if (limits) {
+    const byType = (types: string[]) =>
+      limits.find((l) => {
+        const t = String(l?.type || "").toUpperCase();
+        return types.some((x) => t === x);
+      });
+
+    const sessionLimit = byType(["TIME_LIMIT", "SESSION_LIMIT", "REQUEST_LIMIT", "RPM_LIMIT", "RPD_LIMIT"]);
+    const weeklyLimit = byType(["TOKENS_LIMIT", "TOKEN_LIMIT", "WEEK_LIMIT", "WEEKLY_LIMIT", "TPM_LIMIT", "DAILY_LIMIT"]);
+
+    const s = readLimitPercent(sessionLimit);
+    const w = readLimitPercent(weeklyLimit);
+    if (s != null && w != null) return normalizeUsagePair(s, w);
+  }
+
+  const sessionCandidates = [
+    data?.session,
+    data?.sessionPercent,
+    data?.session_percent,
+    data?.five_hour?.utilization,
+    data?.rate_limit?.primary_window?.used_percent,
+    data?.limits?.session?.utilization,
+    data?.usage?.session,
+    data?.data?.session,
+    data?.data?.sessionPercent,
+    data?.data?.session_percent,
+    data?.data?.usage?.session,
+    data?.quota?.session?.percentage,
+    data?.data?.quota?.session?.percentage,
+  ];
+
+  const weeklyCandidates = [
+    data?.weekly,
+    data?.weeklyPercent,
+    data?.weekly_percent,
+    data?.seven_day?.utilization,
+    data?.rate_limit?.secondary_window?.used_percent,
+    data?.limits?.weekly?.utilization,
+    data?.usage?.weekly,
+    data?.data?.weekly,
+    data?.data?.weeklyPercent,
+    data?.data?.weekly_percent,
+    data?.data?.usage?.weekly,
+    data?.quota?.weekly?.percentage,
+    data?.data?.quota?.weekly?.percentage,
+    data?.quota?.daily?.percentage,
+    data?.data?.quota?.daily?.percentage,
+  ];
+
+  const session = sessionCandidates.map(readPercentCandidate).find((v) => v != null);
+  const weekly = weeklyCandidates.map(readPercentCandidate).find((v) => v != null);
+
+  if (session == null || weekly == null) return null;
+  return normalizeUsagePair(session, weekly);
+}
+
+export function googleMetadata(projectId?: string) {
+  return {
+    ideType: "IDE_UNSPECIFIED",
+    platform: "PLATFORM_UNSPECIFIED",
+    pluginType: "GEMINI",
+    ...(projectId ? { duetProject: projectId } : {}),
+  };
+}
+
+export function googleHeaders(token: string, projectId?: string) {
+  return {
+    Authorization: `Bearer ${token}`,
+    "Content-Type": "application/json",
+    "User-Agent": "google-cloud-sdk vscode_cloudshelleditor/0.1",
+    "X-Goog-Api-Client": "gl-node/22.17.0",
+    "Client-Metadata": JSON.stringify(googleMetadata(projectId)),
+  };
+}
+
+export async function discoverGoogleProjectId(token: string, config: FetchConfig = {}): Promise<string | undefined> {
+  const env = config.env ?? process.env;
+  const envProjectId = env.GOOGLE_CLOUD_PROJECT || env.GOOGLE_CLOUD_PROJECT_ID;
+  if (envProjectId) return envProjectId;
+
+  const endpoints = config.endpoints ?? resolveUsageEndpoints();
+
+  for (const endpoint of endpoints.googleLoadCodeAssistEndpoints) {
+    const result = await requestJson(
+      endpoint,
+      {
+        method: "POST",
+        headers: googleHeaders(token),
+        body: JSON.stringify({ metadata: googleMetadata() }),
+      },
+      config,
+    );
+
+    if (!result.ok) continue;
+
+    const data = result.data;
+    if (typeof data?.cloudaicompanionProject === "string" && data.cloudaicompanionProject) {
+      return data.cloudaicompanionProject;
+    }
+    if (data?.cloudaicompanionProject && typeof data.cloudaicompanionProject === "object") {
+      const id = data.cloudaicompanionProject.id;
+      if (typeof id === "string" && id) return id;
+    }
+  }
+
+  return undefined;
+}
+
+export function usedPercentFromRemainingFraction(value: unknown): number | null {
+  if (typeof value !== "number" || !Number.isFinite(value)) return null;
+  const remaining = Math.max(0, Math.min(1, value));
+  return (1 - remaining) * 100;
+}
+
+export function pickMostUsedBucket(buckets: any[]): any | null {
+  let best: any | null = null;
+  let bestUsed = -1;
+  for (const bucket of buckets) {
+    const used = usedPercentFromRemainingFraction(bucket?.remainingFraction);
+    if (used == null) continue;
+    if (used > bestUsed) {
+      bestUsed = used;
+      best = bucket;
+    }
+  }
+  return best;
+}
+
+export function parseGoogleQuotaBuckets(data: any, provider: "gemini" | "antigravity"): { session: number; weekly: number } | null {
+  const allBuckets = Array.isArray(data?.buckets) ? data.buckets : [];
+  if (!allBuckets.length) return null;
+
+  const requestBuckets = allBuckets.filter((b: any) => String(b?.tokenType || "").toUpperCase() === "REQUESTS");
+  const buckets = requestBuckets.length ? requestBuckets : allBuckets;
+
+  const modelId = (b: any) => String(b?.modelId || "").toLowerCase();
+  const claudeNonThinking = buckets.filter((b: any) => modelId(b).includes("claude") && !modelId(b).includes("thinking"));
+  const geminiPro = buckets.filter((b: any) => modelId(b).includes("gemini") && modelId(b).includes("pro"));
+  const geminiFlash = buckets.filter((b: any) => modelId(b).includes("gemini") && modelId(b).includes("flash"));
+
+  const primaryBucket =
+    provider === "antigravity"
+      ? pickMostUsedBucket(claudeNonThinking) || pickMostUsedBucket(geminiPro) || pickMostUsedBucket(geminiFlash) || pickMostUsedBucket(buckets)
+      : pickMostUsedBucket(geminiPro) || pickMostUsedBucket(geminiFlash) || pickMostUsedBucket(buckets);
+
+  const secondaryBucket = pickMostUsedBucket(geminiFlash) || pickMostUsedBucket(geminiPro) || pickMostUsedBucket(buckets);
+
+  const session = usedPercentFromRemainingFraction(primaryBucket?.remainingFraction);
+  const weekly = usedPercentFromRemainingFraction(secondaryBucket?.remainingFraction);
+
+  if (session == null || weekly == null) return null;
+  return normalizeUsagePair(session, weekly);
+}
+
+export async function fetchCodexUsage(token: string, config: RequestConfig = {}): Promise<UsageData> {
+  const result = await requestJson(
+    "https://chatgpt.com/backend-api/wham/usage",
+    { headers: { Authorization: `Bearer ${token}` } },
+    config,
+  );
+
+  if (!result.ok) return { session: 0, weekly: 0, error: result.error };
+
+  const primary = result.data?.rate_limit?.primary_window;
+  const secondary = result.data?.rate_limit?.secondary_window;
+
+  return {
+    session: readPercentCandidate(primary?.used_percent) ?? 0,
+    weekly: readPercentCandidate(secondary?.used_percent) ?? 0,
+    sessionResetsIn: typeof primary?.reset_after_seconds === "number" ? formatDuration(primary.reset_after_seconds) : undefined,
+    weeklyResetsIn: typeof secondary?.reset_after_seconds === "number" ? formatDuration(secondary.reset_after_seconds) : undefined,
+  };
+}
+
+export async function fetchClaudeUsage(token: string, config: RequestConfig = {}): Promise<UsageData> {
+  const result = await requestJson(
+    "https://api.anthropic.com/api/oauth/usage",
+    {
+      headers: {
+        Authorization: `Bearer ${token}`,
+        "anthropic-beta": "oauth-2025-04-20",
+      },
+    },
+    config,
+  );
+
+  if (!result.ok) return { session: 0, weekly: 0, error: result.error };
+
+  const data = result.data;
+  const usage: UsageData = {
+    session: readPercentCandidate(data?.five_hour?.utilization) ?? 0,
+    weekly: readPercentCandidate(data?.seven_day?.utilization) ?? 0,
+    sessionResetsIn: data?.five_hour?.resets_at ? formatResetsAt(data.five_hour.resets_at) : undefined,
+    weeklyResetsIn: data?.seven_day?.resets_at ? formatResetsAt(data.seven_day.resets_at) : undefined,
+  };
+
+  if (data?.extra_usage?.is_enabled) {
+    usage.extraSpend = typeof data.extra_usage.used_credits === "number" ? data.extra_usage.used_credits : undefined;
+    usage.extraLimit = typeof data.extra_usage.monthly_limit === "number" ? data.extra_usage.monthly_limit : undefined;
+  }
+
+  return usage;
+}
+
+export async function fetchZaiUsage(token: string, config: FetchConfig = {}): Promise<UsageData> {
+  const endpoint = (config.endpoints ?? resolveUsageEndpoints()).zai;
+  if (!endpoint) return { session: 0, weekly: 0, error: "usage endpoint unavailable" };
+
+  const result = await requestJson(
+    endpoint,
+    { headers: { Authorization: `Bearer ${token}` } },
+    config,
+  );
+
+  if (!result.ok) return { session: 0, weekly: 0, error: result.error };
+
+  const parsed = extractUsageFromPayload(result.data);
+  if (!parsed) return { session: 0, weekly: 0, error: "unrecognized response shape" };
+  return parsed;
+}
+
+export async function fetchGoogleUsage(
+  token: string,
+  endpoint: string,
+  projectId: string | undefined,
+  provider: "gemini" | "antigravity",
+  config: FetchConfig = {},
+): Promise<UsageData> {
+  if (!endpoint) return { session: 0, weekly: 0, error: "configure endpoint" };
+
+  const discoveredProjectId = projectId || (await discoverGoogleProjectId(token, config));
+  if (!discoveredProjectId) {
+    return { session: 0, weekly: 0, error: "missing projectId (try /login again)" };
+  }
+
+  const result = await requestJson(
+    endpoint,
+    {
+      method: "POST",
+      headers: googleHeaders(token, discoveredProjectId),
+      body: JSON.stringify({ project: discoveredProjectId }),
+    },
+    config,
+  );
+
+  if (!result.ok) return { session: 0, weekly: 0, error: result.error };
+
+  const quota = parseGoogleQuotaBuckets(result.data, provider);
+  if (quota) return quota;
+
+  const parsed = extractUsageFromPayload(result.data);
+  if (!parsed) return { session: 0, weekly: 0, error: "unrecognized response shape" };
+  return parsed;
+}
+
+export function detectProvider(
+  model: { provider?: string; id?: string; name?: string; api?: string } | string | undefined | null,
+): ProviderKey | null {
+  if (!model) return null;
+  if (typeof model === "string") return null;
+
+  const provider = (model.provider || "").toLowerCase();
+
+  if (provider === "openai-codex") return "codex";
+  if (provider === "anthropic") return "claude";
+  if (provider === "zai") return "zai";
+  if (provider === "google-gemini-cli") return "gemini";
+  if (provider === "google-antigravity") return "antigravity";
+
+  return null;
+}
+
+export function providerToOAuthProviderId(active: ProviderKey | null): OAuthProviderId | null {
+  if (active === "codex") return "openai-codex";
+  if (active === "claude") return "anthropic";
+  if (active === "gemini") return "google-gemini-cli";
+  if (active === "antigravity") return "google-antigravity";
+  return null;
+}
+
+export function canShowForProvider(active: ProviderKey | null, auth: AuthData | null, endpoints: UsageEndpoints): boolean {
+  if (!active || !auth) return false;
+  if (active === "codex") return !!(auth["openai-codex"]?.access || auth["openai-codex"]?.refresh);
+  if (active === "claude") return !!(auth.anthropic?.access || auth.anthropic?.refresh);
+  if (active === "zai") return !!(auth.zai?.access || auth.zai?.key) && !!endpoints.zai;
+  if (active === "gemini") {
+    return !!(auth["google-gemini-cli"]?.access || auth["google-gemini-cli"]?.refresh) && !!endpoints.gemini;
+  }
+  if (active === "antigravity") {
+    return !!(auth["google-antigravity"]?.access || auth["google-antigravity"]?.refresh) && !!endpoints.antigravity;
+  }
+  return false;
+}
+
+export function clampPercent(value: number): number {
+  if (!Number.isFinite(value)) return 0;
+  return Math.max(0, Math.min(100, Math.round(value)));
+}
+
+export function colorForPercent(value: number): "success" | "warning" | "error" {
+  if (value >= 90) return "error";
+  if (value >= 70) return "warning";
+  return "success";
+}
+
+export async function fetchAllUsages(config: FetchAllUsagesConfig = {}): Promise<UsageByProvider> {
+  const authFile = config.authFile ?? DEFAULT_AUTH_FILE;
+  const auth = config.auth ?? readAuth(authFile);
+  const endpoints = config.endpoints ?? resolveUsageEndpoints();
+
+  const results: UsageByProvider = {
+    codex: null,
+    claude: null,
+    zai: null,
+    gemini: null,
+    antigravity: null,
+  };
+
+  if (!auth) return results;
+
+  const oauthProviders: OAuthProviderId[] = [
+    "openai-codex",
+    "anthropic",
+    "google-gemini-cli",
+    "google-antigravity",
+  ];
+
+  const refreshed = await ensureFreshAuthForProviders(oauthProviders, {
+    ...config,
+    auth,
+    authFile,
+  });
+
+  const authData = refreshed.auth ?? auth;
+
+  const refreshError = (providerId: OAuthProviderId): string | null => {
+    const error = refreshed.refreshErrors[providerId];
+    return error ? `auth refresh failed (${error})` : null;
+  };
+
+  const tasks: Promise<void>[] = [];
+  const assign = (provider: ProviderKey, task: Promise<UsageData>) => {
+    tasks.push(
+      task
+        .then((usage) => {
+          results[provider] = usage;
+        })
+        .catch((error) => {
+          results[provider] = { session: 0, weekly: 0, error: toErrorMessage(error) };
+        }),
+    );
+  };
+
+  if (authData["openai-codex"]?.access) {
+    const err = refreshError("openai-codex");
+    if (err) results.codex = { session: 0, weekly: 0, error: err };
+    else assign("codex", fetchCodexUsage(authData["openai-codex"].access, config));
+  }
+
+  if (authData.anthropic?.access) {
+    const err = refreshError("anthropic");
+    if (err) results.claude = { session: 0, weekly: 0, error: err };
+    else assign("claude", fetchClaudeUsage(authData.anthropic.access, config));
+  }
+
+  if (authData.zai?.access || authData.zai?.key) {
+    assign("zai", fetchZaiUsage(authData.zai.access || authData.zai.key!, { ...config, endpoints }));
+  }
+
+  if (authData["google-gemini-cli"]?.access) {
+    const err = refreshError("google-gemini-cli");
+    if (err) {
+      results.gemini = { session: 0, weekly: 0, error: err };
+    } else {
+      const creds = authData["google-gemini-cli"];
+      assign(
+        "gemini",
+        fetchGoogleUsage(creds.access!, endpoints.gemini, creds.projectId, "gemini", { ...config, endpoints }),
+      );
+    }
+  }
+
+  if (authData["google-antigravity"]?.access) {
+    const err = refreshError("google-antigravity");
+    if (err) {
+      results.antigravity = { session: 0, weekly: 0, error: err };
+    } else {
+      const creds = authData["google-antigravity"];
+      assign(
+        "antigravity",
+        fetchGoogleUsage(creds.access!, endpoints.antigravity, creds.projectId, "antigravity", { ...config, endpoints }),
+      );
+    }
+  }
+
+  await Promise.all(tasks);
+  return results;
+}