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

web/server/lib/quota/providers/zai.js

@@ -0,0 +1,91 @@
+import { readAuthFile } from '../../opencode/auth.js';
+import {
+  getAuthEntry,
+  normalizeAuthEntry,
+  buildResult,
+  toUsageWindow,
+  toNumber,
+  toTimestamp,
+  resolveWindowSeconds,
+  resolveWindowLabel,
+  normalizeTimestamp
+} from '../utils/index.js';
+
+export const providerId = 'zai-coding-plan';
+export const providerName = 'z.ai';
+export const aliases = ['zai-coding-plan', 'zai', 'z.ai'];
+
+export const isConfigured = () => {
+  const auth = readAuthFile();
+  const entry = normalizeAuthEntry(getAuthEntry(auth, aliases));
+  return Boolean(entry?.key || entry?.token);
+};
+
+export const fetchQuota = async () => {
+  const auth = readAuthFile();
+  const entry = normalizeAuthEntry(getAuthEntry(auth, aliases));
+  const apiKey = entry?.key ?? entry?.token;
+
+  if (!apiKey) {
+    return buildResult({
+      providerId,
+      providerName,
+      ok: false,
+      configured: false,
+      error: 'Not configured'
+    });
+  }
+
+  try {
+    const response = await fetch('https://api.z.ai/api/monitor/usage/quota/limit', {
+      method: 'GET',
+      headers: {
+        Authorization: `Bearer ${apiKey}`,
+        'Content-Type': 'application/json'
+      }
+    });
+
+    if (!response.ok) {
+      return buildResult({
+        providerId,
+        providerName,
+        ok: false,
+        configured: true,
+        error: `API error: ${response.status}`
+      });
+    }
+
+    const payload = await response.json();
+    const limits = Array.isArray(payload?.data?.limits) ? payload.data.limits : [];
+    const tokensLimit = limits.find((limit) => limit?.type === 'TOKENS_LIMIT');
+    const windowSeconds = resolveWindowSeconds(tokensLimit);
+    const windowLabel = resolveWindowLabel(windowSeconds);
+    const resetAt = tokensLimit?.nextResetTime ? normalizeTimestamp(tokensLimit.nextResetTime) : null;
+    const usedPercent = typeof tokensLimit?.percentage === 'number' ? tokensLimit.percentage : null;
+
+    const windows = {};
+    if (tokensLimit) {
+      windows[windowLabel] = toUsageWindow({
+        usedPercent,
+        windowSeconds,
+        resetAt
+      });
+    }
+
+    return buildResult({
+      providerId,
+      providerName,
+      ok: true,
+      configured: true,
+      usage: { windows }
+    });
+  } catch (error) {
+    return buildResult({
+      providerId,
+      providerName,
+      ok: false,
+      configured: true,
+      error: error instanceof Error ? error.message : 'Request failed'
+    });
+  }
+};