diff --git a/package-lock.json b/package-lock.json
index 54afbe5ad1..b8f0baedcc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28,6 +28,7 @@
         "csv-stringify": "^6.7.0",
         "express": "^5.2.1",
         "fetch-socks": "^1.3.3",
+        "fflate": "^0.8.3",
         "fuse.js": "^7.3.0",
         "gray-matter": "^4.0.3",
         "http-proxy-middleware": "^4.0.0",
@@ -9177,6 +9178,12 @@
         "undici": ">=7"
       }
     },
+    "node_modules/fflate": {
+      "version": "0.8.3",
+      "resolved": "https://registry.npmjs.org/fflate/-/fflate-0.8.3.tgz",
+      "integrity": "sha512-tbZNuJrLwGUp3zshBtdy4W+ORxZuIh8a5ilyIEQDC5rY1f3U20JMry0Ll3WBzU58EZKsEuJFXhb5gwv8CsPvgA==",
+      "license": "MIT"
+    },
     "node_modules/file-entry-cache": {
       "version": "8.0.0",
       "resolved": "https://registry.npmjs.org/file-entry-cache/-/file-entry-cache-8.0.0.tgz",
diff --git a/package.json b/package.json
index 2587a07474..ac929b393a 100644
--- a/package.json
+++ b/package.json
@@ -145,6 +145,7 @@
     "csv-stringify": "^6.7.0",
     "express": "^5.2.1",
     "fetch-socks": "^1.3.3",
+    "fflate": "^0.8.3",
     "fuse.js": "^7.3.0",
     "gray-matter": "^4.0.3",
     "http-proxy-middleware": "^4.0.0",
diff --git a/src/app/(dashboard)/dashboard/providers/[id]/page.tsx b/src/app/(dashboard)/dashboard/providers/[id]/page.tsx
index a850433439..997b8931d9 100644
--- a/src/app/(dashboard)/dashboard/providers/[id]/page.tsx
+++ b/src/app/(dashboard)/dashboard/providers/[id]/page.tsx
@@ -3815,7 +3815,7 @@ export default function ProviderDetailPage() {
       {/* Codex Import Auth Modal */}
       {providerId === "codex" && importCodexModalOpen && (
         <ImportCodexAuthModal
-          key={importCodexModalOpen ? "open" : "closed"}
+          key="import-codex-modal"
           onClose={() => setImportCodexModalOpen(false)}
           onSuccess={() => {
             setImportCodexModalOpen(false);
@@ -7008,135 +7008,313 @@ function AddApiKeyModal({
   );
 }
 
+// ──── ImportCodexAuthModal ────────────────────────────────────────────────────
+
 interface ImportCodexAuthModalProps {
   onClose: () => void;
   onSuccess: () => void;
 }
 
+type ImportTopTab = "single" | "bulk";
+type BulkSubMode = "upload" | "paste" | "zip";
+
+interface BulkEntry {
+  name: string;
+  json: unknown;
+  parseError: string | null;
+  email: string | null;
+}
+
+function extractEmailFromJwtLocal(idToken: string): string | null {
+  try {
+    const parts = idToken.split(".");
+    if (parts.length !== 3) return null;
+    const payload = JSON.parse(Buffer.from(parts[1], "base64url").toString("utf8"));
+    return typeof payload.email === "string" ? payload.email : null;
+  } catch {
+    return null;
+  }
+}
+
+function previewCodexJson(json: unknown): { valid: boolean; email: string | null } {
+  try {
+    const doc = json && typeof json === "object" ? (json as Record<string, unknown>) : null;
+    if (!doc || doc.auth_mode !== "chatgpt") return { valid: false, email: null };
+    const tokens =
+      doc.tokens && typeof doc.tokens === "object" ? (doc.tokens as Record<string, unknown>) : null;
+    if (!tokens?.id_token || typeof tokens.id_token !== "string")
+      return { valid: false, email: null };
+    return { valid: true, email: extractEmailFromJwtLocal(tokens.id_token as string) };
+  } catch {
+    return { valid: false, email: null };
+  }
+}
+
+function parseBulkPasteText(text: string): BulkEntry[] {
+  const trimmed = text.trim();
+  if (!trimmed) return [];
+
+  const tryParse = (s: string): BulkEntry => {
+    try {
+      const json = JSON.parse(s);
+      const { email } = previewCodexJson(json);
+      return { name: email || "unknown", json, parseError: null, email };
+    } catch {
+      return { name: "parse error", json: null, parseError: "Invalid JSON", email: null };
+    }
+  };
+
+  try {
+    const arr = JSON.parse(trimmed);
+    if (Array.isArray(arr))
+      return arr.map((item) => {
+        const { email } = previewCodexJson(item);
+        return { name: email || "unknown", json: item, parseError: null, email };
+      });
+    const { email } = previewCodexJson(arr);
+    return [{ name: email || "unknown", json: arr, parseError: null, email }];
+  } catch {
+    return trimmed
+      .split(/^---$/m)
+      .map((s) => tryParse(s.trim()))
+      .filter((e) => e.json !== null || e.parseError !== null);
+  }
+}
+
 function ImportCodexAuthModal({ onClose, onSuccess }: ImportCodexAuthModalProps) {
   const t = useTranslations("providers");
   const notify = useNotificationStore();
-  const [tab, setTab] = useState<"upload" | "paste">("upload");
-  const [pasteText, setPasteText] = useState("");
-  const [parsedJson, setParsedJson] = useState<unknown>(null);
-  const [parseError, setParseError] = useState<string | null>(null);
-  const [detectedEmail, setDetectedEmail] = useState<string | null>(null);
-  const [name, setName] = useState("");
-  const [email, setEmail] = useState("");
-  const [overwriteExisting, setOverwriteExisting] = useState(false);
-  const [loading, setLoading] = useState(false);
-  const [resultError, setResultError] = useState<string | null>(null);
 
-  function extractEmailFromJwt(idToken: string): string | null {
-    try {
-      const parts = idToken.split(".");
-      if (parts.length !== 3) return null;
-      const payload = JSON.parse(Buffer.from(parts[1], "base64url").toString("utf8"));
-      return typeof payload.email === "string" ? payload.email : null;
-    } catch {
-      return null;
+  // Top-level tab: Single / Bulk
+  const [topTab, setTopTab] = useState<ImportTopTab>("single");
+
+  // ── Single mode state ──
+  const [singleTab, setSingleTab] = useState<"upload" | "paste">("upload");
+  const [singleParsedJson, setSingleParsedJson] = useState<unknown>(null);
+  const [singleParseError, setSingleParseError] = useState<string | null>(null);
+  const [singleDetectedEmail, setSingleDetectedEmail] = useState<string | null>(null);
+  const [singlePasteText, setSinglePasteText] = useState("");
+  const [singleName, setSingleName] = useState("");
+  const [singleEmail, setSingleEmail] = useState("");
+  const [singleOverwrite, setSingleOverwrite] = useState(false);
+  const [singleLoading, setSingleLoading] = useState(false);
+  const [singleError, setSingleError] = useState<string | null>(null);
+
+  // ── Bulk mode state ──
+  const [bulkMode, setBulkMode] = useState<BulkSubMode>("upload");
+  const [bulkEntries, setBulkEntries] = useState<BulkEntry[]>([]);
+  const [bulkPasteText, setBulkPasteText] = useState("");
+  const [bulkZipExtracting, setBulkZipExtracting] = useState(false);
+  const [bulkZipError, setBulkZipError] = useState<string | null>(null);
+  const [bulkOverwrite, setBulkOverwrite] = useState(false);
+  const [bulkLoading, setBulkLoading] = useState(false);
+  const [bulkResult, setBulkResult] = useState<{
+    success: number;
+    failed: number;
+    errors: { index: number; name: string; message: string }[];
+  } | null>(null);
+
+  // ── Single helpers ──
+
+  function handleSinglePreview(json: unknown) {
+    setSingleParseError(null);
+    setSingleDetectedEmail(null);
+    setSingleParsedJson(null);
+    const { valid, email } = previewCodexJson(json);
+    if (!valid) {
+      setSingleParseError(t("codexImportInvalidShape") || "Not a valid Codex auth.json");
+      return;
     }
+    setSingleDetectedEmail(email);
+    if (email && !singleEmail) setSingleEmail(email);
+    setSingleParsedJson(json);
   }
 
-  function tryParseAndPreview(json: unknown) {
-    setParseError(null);
-    setDetectedEmail(null);
-    setParsedJson(null);
-    try {
-      const doc = json && typeof json === "object" ? (json as Record<string, unknown>) : null;
-      if (!doc || doc.auth_mode !== "chatgpt") {
-        setParseError(t("codexImportInvalidShape") || "Not a valid Codex auth.json");
-        return;
-      }
-      const tokens =
-        doc.tokens && typeof doc.tokens === "object"
-          ? (doc.tokens as Record<string, unknown>)
-          : null;
-      if (!tokens?.id_token || typeof tokens.id_token !== "string") {
-        setParseError(t("codexImportInvalidShape") || "Not a valid Codex auth.json");
-        return;
-      }
-      const detected = extractEmailFromJwt(tokens.id_token as string);
-      setDetectedEmail(detected);
-      if (detected && !email) setEmail(detected);
-      setParsedJson(doc);
-    } catch {
-      setParseError(t("codexImportInvalidJson") || "Could not parse JSON");
-    }
-  }
-
-  function handleFileChange(e: React.ChangeEvent<HTMLInputElement>) {
+  function handleSingleFileChange(e: React.ChangeEvent<HTMLInputElement>) {
     const file = e.target.files?.[0];
     if (!file) return;
     const reader = new FileReader();
     reader.onload = (ev) => {
-      const text = ev.target?.result as string;
       try {
-        const json = JSON.parse(text);
-        tryParseAndPreview(json);
-        setParsedJson(json);
+        handleSinglePreview(JSON.parse(ev.target?.result as string));
       } catch {
-        setParseError(t("codexImportInvalidJson") || "Could not parse JSON");
-        setParsedJson(null);
+        setSingleParseError(t("codexImportInvalidJson") || "Could not parse JSON");
       }
     };
     reader.readAsText(file);
   }
 
-  function handlePasteChange(text: string) {
-    setPasteText(text);
+  function handleSinglePasteChange(text: string) {
+    setSinglePasteText(text);
     if (!text.trim()) {
-      setParsedJson(null);
-      setParseError(null);
-      setDetectedEmail(null);
+      setSingleParsedJson(null);
+      setSingleParseError(null);
+      setSingleDetectedEmail(null);
       return;
     }
     try {
-      const json = JSON.parse(text);
-      tryParseAndPreview(json);
+      handleSinglePreview(JSON.parse(text));
     } catch {
-      setParseError(t("codexImportInvalidJson") || "Could not parse JSON");
-      setParsedJson(null);
+      setSingleParseError(t("codexImportInvalidJson") || "Could not parse JSON");
+      setSingleParsedJson(null);
     }
   }
 
-  async function handleSubmit() {
-    if (!parsedJson) return;
-    setLoading(true);
-    setResultError(null);
+  async function handleSingleSubmit() {
+    if (!singleParsedJson) return;
+    setSingleLoading(true);
+    setSingleError(null);
     try {
       const res = await fetch("/api/providers/codex-auth/import", {
         method: "POST",
         headers: { "Content-Type": "application/json" },
         body: JSON.stringify({
-          source: { kind: "json", json: parsedJson },
-          name: name.trim() || undefined,
-          email: email.trim() || undefined,
-          overwriteExisting,
+          source: { kind: "json", json: singleParsedJson },
+          name: singleName.trim() || undefined,
+          email: singleEmail.trim() || undefined,
+          overwriteExisting: singleOverwrite,
         }),
       });
       const data = await res.json().catch(() => ({}));
       if (!res.ok) {
-        if (data.code === "duplicate_account") {
-          setResultError(
-            t("codexImportDuplicate") ||
-              "Account already exists — enable Replace existing to overwrite"
-          );
-        } else {
-          setResultError(data.error || t("codexImportFailed") || "Failed to import Codex auth");
-        }
+        setSingleError(
+          data.code === "duplicate_account"
+            ? t("codexImportDuplicate") ||
+                "Account already exists — enable Replace existing to overwrite"
+            : data.error || t("codexImportFailed") || "Failed to import"
+        );
         return;
       }
       notify.success(t("codexImportSuccess") || "Codex connection imported successfully");
       onSuccess();
     } catch {
-      setResultError(t("codexImportFailed") || "Failed to import Codex auth");
+      setSingleError(t("codexImportFailed") || "Failed to import Codex auth");
     } finally {
-      setLoading(false);
+      setSingleLoading(false);
     }
   }
 
-  const canSubmit = !!parsedJson && !parseError && !loading;
+  // ── Bulk helpers ──
+
+  function handleBulkFilesChange(e: React.ChangeEvent<HTMLInputElement>) {
+    const files = Array.from(e.target.files || []);
+    const entries: BulkEntry[] = [];
+    let pending = files.length;
+    if (pending === 0) return;
+    files.forEach((file) => {
+      const reader = new FileReader();
+      reader.onload = (ev) => {
+        try {
+          const json = JSON.parse(ev.target?.result as string);
+          const { email } = previewCodexJson(json);
+          entries.push({
+            name: email || file.name.replace(".json", ""),
+            json,
+            parseError: null,
+            email,
+          });
+        } catch {
+          entries.push({ name: file.name, json: null, parseError: "Invalid JSON", email: null });
+        }
+        if (--pending === 0) setBulkEntries([...entries]);
+      };
+      reader.readAsText(file);
+    });
+  }
+
+  function handleBulkPasteChange(text: string) {
+    setBulkPasteText(text);
+    if (!text.trim()) {
+      setBulkEntries([]);
+      return;
+    }
+    setBulkEntries(parseBulkPasteText(text));
+  }
+
+  async function handleZipUpload(e: React.ChangeEvent<HTMLInputElement>) {
+    const file = e.target.files?.[0];
+    if (!file) return;
+    setBulkZipExtracting(true);
+    setBulkZipError(null);
+    setBulkEntries([]);
+    try {
+      const res = await fetch("/api/providers/codex-auth/zip-extract", {
+        method: "POST",
+        headers: { "Content-Type": "application/octet-stream" },
+        body: file,
+      });
+      const data = await res.json().catch(() => ({}));
+      if (!res.ok) {
+        setBulkZipError(data.error || t("codexImportBulkZipError") || "Failed to extract ZIP");
+        return;
+      }
+      const extracted: BulkEntry[] = (data.entries || []).map(
+        (entry: { name: string; json: unknown; parseError: string | null }) => {
+          if (entry.parseError)
+            return { name: entry.name, json: null, parseError: entry.parseError, email: null };
+          const { email } = previewCodexJson(entry.json);
+          return {
+            name: email || entry.name.replace(".json", ""),
+            json: entry.json,
+            parseError: null,
+            email,
+          };
+        }
+      );
+      setBulkEntries(extracted);
+    } catch {
+      setBulkZipError(t("codexImportBulkZipError") || "Failed to extract ZIP");
+    } finally {
+      setBulkZipExtracting(false);
+    }
+  }
+
+  async function handleBulkSubmit() {
+    const validEntries = bulkEntries.filter((e) => !e.parseError && e.json !== null);
+    if (validEntries.length === 0) return;
+    setBulkLoading(true);
+    setBulkResult(null);
+    try {
+      const res = await fetch("/api/providers/codex-auth/import-bulk", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({
+          entries: validEntries.map((e) => ({
+            json: e.json,
+            name: e.name || undefined,
+            email: e.email || undefined,
+          })),
+          overwriteExisting: bulkOverwrite,
+        }),
+      });
+      const data = await res.json().catch(() => ({}));
+      if (!res.ok) {
+        notify.error(data.error || t("codexImportFailed") || "Failed to import");
+        return;
+      }
+      setBulkResult({ success: data.success, failed: data.failed, errors: data.errors || [] });
+      if (data.success > 0) onSuccess();
+    } catch {
+      notify.error(t("codexImportFailed") || "Failed to import Codex auth");
+    } finally {
+      setBulkLoading(false);
+    }
+  }
+
+  const singleCanSubmit = !!singleParsedJson && !singleParseError && !singleLoading;
+  const validBulkCount = bulkEntries.filter((e) => !e.parseError && e.json !== null).length;
+  const bulkCanSubmit = validBulkCount > 0 && !bulkLoading && !bulkZipExtracting;
+
+  const TOP_TABS: { id: ImportTopTab; label: string }[] = [
+    { id: "single", label: t("codexImportTabSingle") || "Single" },
+    { id: "bulk", label: t("codexImportTabBulk") || "Bulk" },
+  ];
+
+  const BULK_MODES: { id: BulkSubMode; label: string }[] = [
+    { id: "upload", label: t("codexImportBulkModeUpload") || "Upload files" },
+    { id: "paste", label: t("codexImportBulkModePaste") || "Paste list" },
+    { id: "zip", label: t("codexImportBulkModeZip") || "ZIP archive" },
+  ];
 
   return (
     <Modal
@@ -7146,136 +7324,322 @@ function ImportCodexAuthModal({ onClose, onSuccess }: ImportCodexAuthModalProps)
       maxWidth="max-w-lg"
     >
       <div className="flex flex-col gap-4">
-        {/* Tabs */}
+        {/* Top-level Single / Bulk tabs */}
         <div className="flex border-b border-border">
-          {(["upload", "paste"] as const).map((id) => (
+          {TOP_TABS.map(({ id, label }) => (
             <button
               key={id}
               onClick={() => {
-                setTab(id);
-                setParsedJson(null);
-                setParseError(null);
-                setDetectedEmail(null);
+                setTopTab(id);
+                setBulkResult(null);
+                setSingleError(null);
               }}
               className={`px-4 py-2 text-sm font-medium border-b-2 transition-colors ${
-                tab === id
+                topTab === id
                   ? "border-primary text-primary"
                   : "border-transparent text-text-muted hover:text-text-main"
               }`}
             >
-              {id === "upload"
-                ? t("codexImportTabUpload") || "Upload file"
-                : t("codexImportTabPaste") || "Paste JSON"}
+              {label}
             </button>
           ))}
         </div>
 
-        {/* Upload tab */}
-        {tab === "upload" && (
-          <div className="flex flex-col gap-2">
-            <label className="text-sm font-medium text-text-main">
-              {t("codexImportFileLabel") || "Choose auth.json"}
-            </label>
-            <input
-              type="file"
-              accept=".json"
-              onChange={handleFileChange}
-              className="text-sm text-text-muted file:mr-3 file:py-1.5 file:px-3 file:rounded-lg file:border file:border-border file:text-xs file:bg-bg-subtle file:text-text-main hover:file:bg-bg-hover cursor-pointer"
-            />
-            <p className="text-xs text-text-muted">
-              {t("codexImportFileHint") ||
-                "Select the auth.json file exported from Codex or OmniRoute."}
-            </p>
-          </div>
+        {/* ── Single tab ── */}
+        {topTab === "single" && (
+          <>
+            {/* Source sub-tabs */}
+            <div className="flex border-b border-border">
+              {(["upload", "paste"] as const).map((id) => (
+                <button
+                  key={id}
+                  onClick={() => {
+                    setSingleTab(id);
+                    setSingleParsedJson(null);
+                    setSingleParseError(null);
+                    setSingleDetectedEmail(null);
+                  }}
+                  className={`px-4 py-2 text-sm font-medium border-b-2 transition-colors ${
+                    singleTab === id
+                      ? "border-primary text-primary"
+                      : "border-transparent text-text-muted hover:text-text-main"
+                  }`}
+                >
+                  {id === "upload"
+                    ? t("codexImportTabUpload") || "Upload file"
+                    : t("codexImportTabPaste") || "Paste JSON"}
+                </button>
+              ))}
+            </div>
+
+            {singleTab === "upload" && (
+              <div className="flex flex-col gap-2">
+                <label className="text-sm font-medium text-text-main">
+                  {t("codexImportFileLabel") || "Choose auth.json"}
+                </label>
+                <input
+                  type="file"
+                  accept=".json"
+                  onChange={handleSingleFileChange}
+                  className="text-sm text-text-muted file:mr-3 file:py-1.5 file:px-3 file:rounded-lg file:border file:border-border file:text-xs file:bg-bg-subtle file:text-text-main hover:file:bg-bg-hover cursor-pointer"
+                />
+                <p className="text-xs text-text-muted">
+                  {t("codexImportFileHint") ||
+                    "Select the auth.json file exported from Codex or OmniRoute."}
+                </p>
+              </div>
+            )}
+
+            {singleTab === "paste" && (
+              <div className="flex flex-col gap-2">
+                <label className="text-sm font-medium text-text-main">
+                  {t("codexImportPasteLabel") || "Paste the JSON content"}
+                </label>
+                <textarea
+                  value={singlePasteText}
+                  onChange={(e) => handleSinglePasteChange(e.target.value)}
+                  rows={7}
+                  placeholder='{ "auth_mode": "chatgpt", ... }'
+                  className="w-full rounded-lg border border-border bg-bg-subtle px-3 py-2 text-xs font-mono text-text-main placeholder:text-text-muted focus:outline-none focus:ring-2 focus:ring-primary/40 resize-none"
+                />
+              </div>
+            )}
+
+            {singleParseError && <p className="text-sm text-red-500">{singleParseError}</p>}
+            {singleDetectedEmail && !singleParseError && (
+              <p className="text-xs text-text-muted">
+                {t("codexImportDetectedEmail", { email: singleDetectedEmail }) ||
+                  `Detected: ${singleDetectedEmail}`}
+              </p>
+            )}
+
+            <div className="flex flex-col gap-3">
+              <div className="flex flex-col gap-1">
+                <label className="text-sm font-medium text-text-main">
+                  {t("codexImportEmailLabel") || "Account email"}
+                </label>
+                <input
+                  type="email"
+                  value={singleEmail}
+                  onChange={(e) => setSingleEmail(e.target.value)}
+                  placeholder="user@example.com"
+                  className="rounded-lg border border-border bg-bg-subtle px-3 py-2 text-sm text-text-main placeholder:text-text-muted focus:outline-none focus:ring-2 focus:ring-primary/40"
+                />
+                <p className="text-xs text-text-muted">
+                  {t("codexImportEmailHint") || "Auto-detected from the file; edit if needed."}
+                </p>
+              </div>
+              <div className="flex flex-col gap-1">
+                <label className="text-sm font-medium text-text-main">
+                  {t("codexImportNameLabel") || "Connection name (optional)"}
+                </label>
+                <input
+                  type="text"
+                  value={singleName}
+                  onChange={(e) => setSingleName(e.target.value)}
+                  placeholder={singleEmail || "Codex (imported)"}
+                  className="rounded-lg border border-border bg-bg-subtle px-3 py-2 text-sm text-text-main placeholder:text-text-muted focus:outline-none focus:ring-2 focus:ring-primary/40"
+                />
+              </div>
+              <label className="flex items-center gap-2 cursor-pointer">
+                <input
+                  type="checkbox"
+                  checked={singleOverwrite}
+                  onChange={(e) => setSingleOverwrite(e.target.checked)}
+                  className="rounded border-border"
+                />
+                <span className="text-sm text-text-main">
+                  {t("codexImportOverwriteLabel") ||
+                    "Replace existing connection if account already exists"}
+                </span>
+              </label>
+            </div>
+
+            {singleError && (
+              <div className="rounded-lg bg-red-500/10 border border-red-500/20 px-4 py-3 text-sm text-red-400">
+                {singleError}
+              </div>
+            )}
+
+            <div className="flex gap-2 pt-1">
+              <Button
+                onClick={handleSingleSubmit}
+                disabled={!singleCanSubmit}
+                loading={singleLoading}
+                fullWidth
+              >
+                {t("codexImportSubmit") || "Import"}
+              </Button>
+              <Button onClick={onClose} variant="ghost" fullWidth>
+                {t("cancel")}
+              </Button>
+            </div>
+          </>
         )}
 
-        {/* Paste tab */}
-        {tab === "paste" && (
-          <div className="flex flex-col gap-2">
-            <label className="text-sm font-medium text-text-main">
-              {t("codexImportPasteLabel") || "Paste the JSON content"}
+        {/* ── Bulk tab ── */}
+        {topTab === "bulk" && (
+          <>
+            {/* Sub-mode selector */}
+            <div className="flex gap-1 p-1 bg-bg-subtle rounded-lg">
+              {BULK_MODES.map(({ id, label }) => (
+                <button
+                  key={id}
+                  onClick={() => {
+                    setBulkMode(id);
+                    setBulkEntries([]);
+                    setBulkZipError(null);
+                    setBulkPasteText("");
+                    setBulkResult(null);
+                  }}
+                  className={`flex-1 px-3 py-1.5 text-xs font-medium rounded-md transition-colors ${
+                    bulkMode === id
+                      ? "bg-bg-primary text-text-main shadow-sm"
+                      : "text-text-muted hover:text-text-main"
+                  }`}
+                >
+                  {label}
+                </button>
+              ))}
+            </div>
+
+            {/* Upload mode */}
+            {bulkMode === "upload" && (
+              <div className="flex flex-col gap-2">
+                <input
+                  type="file"
+                  accept=".json"
+                  multiple
+                  onChange={handleBulkFilesChange}
+                  className="text-sm text-text-muted file:mr-3 file:py-1.5 file:px-3 file:rounded-lg file:border file:border-border file:text-xs file:bg-bg-subtle file:text-text-main hover:file:bg-bg-hover cursor-pointer"
+                />
+                <p className="text-xs text-text-muted">
+                  {t("codexImportBulkUploadHint") || "Select multiple .json files"}
+                </p>
+              </div>
+            )}
+
+            {/* Paste mode */}
+            {bulkMode === "paste" && (
+              <div className="flex flex-col gap-2">
+                <textarea
+                  value={bulkPasteText}
+                  onChange={(e) => handleBulkPasteChange(e.target.value)}
+                  rows={7}
+                  placeholder={'[{ "auth_mode": "chatgpt", ... }, ...]'}
+                  className="w-full rounded-lg border border-border bg-bg-subtle px-3 py-2 text-xs font-mono text-text-main placeholder:text-text-muted focus:outline-none focus:ring-2 focus:ring-primary/40 resize-none"
+                />
+                <p className="text-xs text-text-muted">
+                  {t("codexImportBulkPasteHint") || "JSON array or multiple JSONs separated by ---"}
+                </p>
+              </div>
+            )}
+
+            {/* ZIP mode */}
+            {bulkMode === "zip" && (
+              <div className="flex flex-col gap-2">
+                <input
+                  type="file"
+                  accept=".zip"
+                  onChange={handleZipUpload}
+                  disabled={bulkZipExtracting}
+                  className="text-sm text-text-muted file:mr-3 file:py-1.5 file:px-3 file:rounded-lg file:border file:border-border file:text-xs file:bg-bg-subtle file:text-text-main hover:file:bg-bg-hover cursor-pointer disabled:opacity-50"
+                />
+                {bulkZipExtracting && (
+                  <p className="text-xs text-text-muted animate-pulse">
+                    {t("codexImportBulkZipExtracting") || "Extracting ZIP…"}
+                  </p>
+                )}
+                {bulkZipError && <p className="text-sm text-red-500">{bulkZipError}</p>}
+                <p className="text-xs text-text-muted">
+                  {t("codexImportBulkZipHint") ||
+                    "Upload a .zip containing auth.json files (max 50 files, 10 MB)"}
+                </p>
+              </div>
+            )}
+
+            {/* Entry preview list */}
+            {bulkEntries.length > 0 && !bulkResult && (
+              <div className="flex flex-col gap-1 max-h-40 overflow-y-auto rounded-lg border border-border bg-bg-subtle p-2">
+                <p className="text-xs font-medium text-text-muted px-1">
+                  {validBulkCount} / {bulkEntries.length} valid
+                </p>
+                {bulkEntries.map((entry, i) => (
+                  <div key={i} className="flex items-center gap-2 px-2 py-1 rounded">
+                    <span
+                      className={`material-symbols-outlined text-[14px] ${entry.parseError ? "text-red-500" : "text-emerald-500"}`}
+                    >
+                      {entry.parseError ? "error" : "check_circle"}
+                    </span>
+                    <span className="text-xs text-text-main flex-1 truncate">{entry.name}</span>
+                    {entry.parseError && (
+                      <span className="text-xs text-red-400">{entry.parseError}</span>
+                    )}
+                  </div>
+                ))}
+              </div>
+            )}
+
+            {/* Overwrite checkbox */}
+            <label className="flex items-center gap-2 cursor-pointer">
+              <input
+                type="checkbox"
+                checked={bulkOverwrite}
+                onChange={(e) => setBulkOverwrite(e.target.checked)}
+                className="rounded border-border"
+              />
+              <span className="text-sm text-text-main">
+                {t("codexImportOverwriteLabel") ||
+                  "Replace existing connections if accounts already exist"}
+              </span>
             </label>
-            <textarea
-              value={pasteText}
-              onChange={(e) => handlePasteChange(e.target.value)}
-              rows={8}
-              placeholder='{ "auth_mode": "chatgpt", ... }'
-              className="w-full rounded-lg border border-border bg-bg-subtle px-3 py-2 text-xs font-mono text-text-main placeholder:text-text-muted focus:outline-none focus:ring-2 focus:ring-primary/40 resize-none"
-            />
-          </div>
+
+            {/* Result panel */}
+            {bulkResult && (
+              <div
+                className={`rounded-lg border px-4 py-3 text-sm ${
+                  bulkResult.failed === 0
+                    ? "bg-emerald-500/10 border-emerald-500/20 text-emerald-400"
+                    : "bg-amber-500/10 border-amber-500/20 text-amber-400"
+                }`}
+              >
+                <p className="font-medium">
+                  {bulkResult.success}{" "}
+                  {t("codexImportBulkSuccess", { count: bulkResult.success }) || "imported"} ·{" "}
+                  {bulkResult.failed}{" "}
+                  {t("codexImportBulkFailed", { count: bulkResult.failed }) || "failed"}
+                </p>
+                {bulkResult.errors.length > 0 && (
+                  <ul className="mt-2 space-y-0.5 text-xs">
+                    {bulkResult.errors.map((e, i) => (
+                      <li key={i}>
+                        <span className="font-medium">{e.name}:</span> {e.message}
+                      </li>
+                    ))}
+                  </ul>
+                )}
+              </div>
+            )}
+
+            <div className="flex gap-2 pt-1">
+              <Button
+                onClick={handleBulkSubmit}
+                disabled={!bulkCanSubmit}
+                loading={bulkLoading}
+                fullWidth
+              >
+                {bulkLoading
+                  ? t("saving") || "Importing…"
+                  : typeof t.has === "function" && t.has("codexImportBulkSubmit")
+                    ? t("codexImportBulkSubmit", { count: validBulkCount })
+                    : `Import ${validBulkCount} accounts`}
+              </Button>
+              <Button onClick={onClose} variant="ghost" fullWidth>
+                {t("cancel")}
+              </Button>
+            </div>
+          </>
         )}
-
-        {/* Parse error */}
-        {parseError && <p className="text-sm text-red-500">{parseError}</p>}
-
-        {/* Detected email preview */}
-        {detectedEmail && !parseError && (
-          <p className="text-xs text-text-muted">
-            {t("codexImportDetectedEmail", { email: detectedEmail }) ||
-              `Detected: ${detectedEmail}`}
-          </p>
-        )}
-
-        {/* Shared fields */}
-        <div className="flex flex-col gap-3">
-          <div className="flex flex-col gap-1">
-            <label className="text-sm font-medium text-text-main">
-              {t("codexImportEmailLabel") || "Account email"}
-            </label>
-            <input
-              type="email"
-              value={email}
-              onChange={(e) => setEmail(e.target.value)}
-              placeholder="user@example.com"
-              className="rounded-lg border border-border bg-bg-subtle px-3 py-2 text-sm text-text-main placeholder:text-text-muted focus:outline-none focus:ring-2 focus:ring-primary/40"
-            />
-            <p className="text-xs text-text-muted">
-              {t("codexImportEmailHint") || "Auto-detected from the file; edit if needed."}
-            </p>
-          </div>
-
-          <div className="flex flex-col gap-1">
-            <label className="text-sm font-medium text-text-main">
-              {t("codexImportNameLabel") || "Connection name (optional)"}
-            </label>
-            <input
-              type="text"
-              value={name}
-              onChange={(e) => setName(e.target.value)}
-              placeholder={email || "Codex (imported)"}
-              className="rounded-lg border border-border bg-bg-subtle px-3 py-2 text-sm text-text-main placeholder:text-text-muted focus:outline-none focus:ring-2 focus:ring-primary/40"
-            />
-          </div>
-
-          <label className="flex items-center gap-2 cursor-pointer">
-            <input
-              type="checkbox"
-              checked={overwriteExisting}
-              onChange={(e) => setOverwriteExisting(e.target.checked)}
-              className="rounded border-border"
-            />
-            <span className="text-sm text-text-main">
-              {t("codexImportOverwriteLabel") ||
-                "Replace existing connection if account already exists"}
-            </span>
-          </label>
-        </div>
-
-        {/* Result error banner */}
-        {resultError && (
-          <div className="rounded-lg bg-red-500/10 border border-red-500/20 px-4 py-3 text-sm text-red-400">
-            {resultError}
-          </div>
-        )}
-
-        <div className="flex gap-2 pt-1">
-          <Button onClick={handleSubmit} disabled={!canSubmit} loading={loading} fullWidth>
-            {t("codexImportSubmit") || "Import"}
-          </Button>
-          <Button onClick={onClose} variant="ghost" fullWidth>
-            {t("cancel")}
-          </Button>
-        </div>
       </div>
     </Modal>
   );
diff --git a/src/app/api/providers/codex-auth/import-bulk/route.ts b/src/app/api/providers/codex-auth/import-bulk/route.ts
new file mode 100644
index 0000000000..2055b2203d
--- /dev/null
+++ b/src/app/api/providers/codex-auth/import-bulk/route.ts
@@ -0,0 +1,112 @@
+import { NextResponse } from "next/server";
+import { requireManagementAuth } from "@/lib/api/requireManagementAuth";
+import { CodexAuthFileError } from "@/lib/oauth/utils/codexAuthFile";
+import {
+  parseAndValidateCodexAuth,
+  createConnectionFromAuthFile,
+} from "@/lib/oauth/utils/codexAuthImport";
+import { getAuditRequestContext, logAuditEvent } from "@/lib/compliance/index";
+import { getProviderAuditTarget } from "@/lib/compliance/providerAudit";
+import { sanitizeErrorMessage } from "@omniroute/open-sse/utils/error";
+import { importCodexAuthBulkSchema } from "@/shared/validation/schemas";
+import { validateBody, isValidationFailure } from "@/shared/validation/helpers";
+import { sanitizeProviderSpecificDataForResponse } from "@/lib/providers/requestDefaults";
+
+function sanitizeConnectionForResponse(connection: Record<string, unknown>) {
+  const safe = { ...connection };
+  delete safe.accessToken;
+  delete safe.refreshToken;
+  delete safe.idToken;
+  delete safe.apiKey;
+  if (safe.providerSpecificData) {
+    safe.providerSpecificData = sanitizeProviderSpecificDataForResponse(safe.providerSpecificData);
+  }
+  return safe;
+}
+
+export async function POST(request: Request) {
+  const authError = await requireManagementAuth(request);
+  if (authError) return authError;
+
+  const auditContext = getAuditRequestContext(request);
+
+  let body: unknown;
+  try {
+    body = await request.json();
+  } catch {
+    return NextResponse.json({ error: "Invalid JSON body" }, { status: 400 });
+  }
+
+  const parsedBody = validateBody(importCodexAuthBulkSchema, body);
+  if (isValidationFailure(parsedBody)) {
+    return NextResponse.json({ error: parsedBody.error }, { status: 400 });
+  }
+
+  const { entries, overwriteExisting } = parsedBody.data;
+
+  const created: Record<string, unknown>[] = [];
+  const errors: { index: number; name: string; message: string }[] = [];
+
+  for (let i = 0; i < entries.length; i++) {
+    const e = entries[i];
+    const label = e.name || `entry ${i + 1}`;
+    try {
+      const parsedAuth = parseAndValidateCodexAuth(e.json);
+      const { connection } = await createConnectionFromAuthFile(parsedAuth, {
+        name: e.name,
+        email: e.email,
+        overwriteExisting,
+      });
+
+      const safe = sanitizeConnectionForResponse(connection as Record<string, unknown>);
+      created.push(safe);
+
+      logAuditEvent({
+        action: "provider.credentials.imported",
+        actor: "admin",
+        target: getProviderAuditTarget(connection),
+        resourceType: "provider_credentials",
+        status: "success",
+        ipAddress: auditContext.ipAddress || undefined,
+        requestId: auditContext.requestId,
+        metadata: {
+          provider: "codex",
+          email: parsedAuth.email || e.email,
+          bulkIndex: i,
+        },
+      });
+    } catch (err) {
+      let message: string;
+      if (err instanceof CodexAuthFileError) {
+        message = err.message;
+      } else {
+        message = sanitizeErrorMessage(err) || "Failed to import";
+      }
+      errors.push({ index: i, name: label, message });
+    }
+  }
+
+  logAuditEvent({
+    action: "provider.credentials.bulk_imported",
+    actor: "admin",
+    target: "codex",
+    resourceType: "provider_credentials",
+    status: errors.length === entries.length ? "failure" : "success",
+    ipAddress: auditContext.ipAddress || undefined,
+    requestId: auditContext.requestId,
+    metadata: {
+      provider: "codex",
+      total: entries.length,
+      success: created.length,
+      failed: errors.length,
+    },
+  });
+
+  return NextResponse.json({
+    success: created.length,
+    failed: errors.length,
+    total: entries.length,
+    created,
+    errors,
+  });
+}
diff --git a/src/app/api/providers/codex-auth/zip-extract/route.ts b/src/app/api/providers/codex-auth/zip-extract/route.ts
new file mode 100644
index 0000000000..262b5155b6
--- /dev/null
+++ b/src/app/api/providers/codex-auth/zip-extract/route.ts
@@ -0,0 +1,52 @@
+import { NextResponse } from "next/server";
+import { requireManagementAuth } from "@/lib/api/requireManagementAuth";
+import { extractCodexAuthZip } from "@/lib/oauth/utils/codexAuthZipExtract";
+import { sanitizeErrorMessage } from "@omniroute/open-sse/utils/error";
+
+const ZIP_BODY_LIMIT = 11 * 1024 * 1024; // 11 MB — slightly above the 10 MB extracted limit
+
+export async function POST(request: Request) {
+  const authError = await requireManagementAuth(request);
+  if (authError) return authError;
+
+  const contentLength = Number(request.headers.get("content-length") || "0");
+  if (contentLength > ZIP_BODY_LIMIT) {
+    return NextResponse.json(
+      { error: "ZIP file exceeds the 10 MB size limit", code: "file_too_large" },
+      { status: 413 }
+    );
+  }
+
+  let buffer: Buffer;
+  try {
+    const arrayBuffer = await request.arrayBuffer();
+    if (arrayBuffer.byteLength > ZIP_BODY_LIMIT) {
+      return NextResponse.json(
+        { error: "ZIP file exceeds the 10 MB size limit", code: "file_too_large" },
+        { status: 413 }
+      );
+    }
+    buffer = Buffer.from(arrayBuffer);
+  } catch {
+    return NextResponse.json({ error: "Failed to read request body" }, { status: 400 });
+  }
+
+  try {
+    const files = extractCodexAuthZip(buffer);
+
+    const entries = files.map((f) => {
+      try {
+        return { name: f.name, json: JSON.parse(f.content), parseError: null };
+      } catch {
+        return { name: f.name, json: null, parseError: "Not valid JSON" };
+      }
+    });
+
+    return NextResponse.json({ entries });
+  } catch (error) {
+    return NextResponse.json(
+      { error: sanitizeErrorMessage(error) || "Failed to extract ZIP", code: "extract_failed" },
+      { status: 400 }
+    );
+  }
+}
diff --git a/src/i18n/messages/en.json b/src/i18n/messages/en.json
index 3f33ca4e90..9c2c145e76 100644
--- a/src/i18n/messages/en.json
+++ b/src/i18n/messages/en.json
@@ -3114,6 +3114,8 @@
     "codexAuthExportFailed": "Failed to export Codex auth.json",
     "importCodexAuth": "Import auth",
     "codexImportModalTitle": "Import Codex Auth",
+    "codexImportTabSingle": "Single",
+    "codexImportTabBulk": "Bulk",
     "codexImportTabUpload": "Upload file",
     "codexImportTabPaste": "Paste JSON",
     "codexImportFileLabel": "Choose auth.json",
@@ -3131,6 +3133,18 @@
     "codexImportFailed": "Failed to import Codex auth",
     "codexImportDetectedEmail": "Detected: {email}",
     "codexImportNoEmailDetected": "No email detected in file",
+    "codexImportBulkModeUpload": "Upload files",
+    "codexImportBulkModePaste": "Paste list",
+    "codexImportBulkModeZip": "ZIP archive",
+    "codexImportBulkUploadHint": "Select multiple .json files or drag and drop",
+    "codexImportBulkPasteHint": "JSON array [ {...}, {...} ] or multiple JSONs separated by --- on its own line",
+    "codexImportBulkZipHint": "Upload a .zip containing auth.json files (max 50 files, 10 MB)",
+    "codexImportBulkSubmit": "Import {count} accounts",
+    "codexImportBulkLimit": "Max 50 files per import",
+    "codexImportBulkSuccess": "{count} imported",
+    "codexImportBulkFailed": "{count} failed",
+    "codexImportBulkZipExtracting": "Extracting ZIP…",
+    "codexImportBulkZipError": "Failed to extract ZIP",
     "advancedSettings": "Advanced Settings",
     "chatPathLabel": "Chat Endpoint Path",
     "chatPathPlaceholder": "/chat/completions",
diff --git a/src/lib/oauth/utils/codexAuthZipExtract.ts b/src/lib/oauth/utils/codexAuthZipExtract.ts
new file mode 100644
index 0000000000..108c78c746
--- /dev/null
+++ b/src/lib/oauth/utils/codexAuthZipExtract.ts
@@ -0,0 +1,89 @@
+import path from "path";
+import { unzipSync, type Unzipped } from "fflate";
+
+export interface ExtractedZipFile {
+  name: string;
+  content: string;
+}
+
+export interface ExtractZipOptions {
+  maxFiles?: number;
+  maxFileSizeBytes?: number;
+  maxTotalSizeBytes?: number;
+}
+
+const DEFAULT_MAX_FILES = 50;
+const DEFAULT_MAX_FILE_SIZE = 256 * 1024;
+const DEFAULT_MAX_TOTAL = 10 * 1024 * 1024;
+
+function isSafeEntryName(name: string): boolean {
+  if (!name.toLowerCase().endsWith(".json")) return false;
+  if (name.includes("..")) return false;
+  if (path.isAbsolute(name)) return false;
+  if (/[\r\n\0]/.test(name)) return false;
+  return true;
+}
+
+export function extractCodexAuthZip(
+  zipBuffer: Buffer,
+  options: ExtractZipOptions = {}
+): ExtractedZipFile[] {
+  const maxFiles = options.maxFiles ?? DEFAULT_MAX_FILES;
+  const maxFileSize = options.maxFileSizeBytes ?? DEFAULT_MAX_FILE_SIZE;
+  const maxTotal = options.maxTotalSizeBytes ?? DEFAULT_MAX_TOTAL;
+
+  let unzipped: Unzipped;
+  try {
+    unzipped = unzipSync(new Uint8Array(zipBuffer));
+  } catch {
+    throw new Error("Could not parse ZIP archive — file may be corrupt or not a valid ZIP");
+  }
+
+  const entries = Object.entries(unzipped).filter(([, data]) => data !== undefined);
+  const jsonEntries = entries.filter(([name]) => name.toLowerCase().endsWith(".json"));
+
+  if (jsonEntries.length === 0) {
+    throw new Error("ZIP archive contains no .json files");
+  }
+
+  if (jsonEntries.length > maxFiles) {
+    throw new Error(
+      `ZIP archive contains ${jsonEntries.length} .json files — max allowed is ${maxFiles}`
+    );
+  }
+
+  let totalBytes = 0;
+  const result: ExtractedZipFile[] = [];
+
+  for (const [entryName, data] of jsonEntries) {
+    const baseName = path.basename(entryName);
+
+    if (!isSafeEntryName(baseName)) {
+      throw new Error(
+        `ZIP entry "${baseName}" has an unsafe filename (must be a .json file without path traversal)`
+      );
+    }
+
+    if (!isSafeEntryName(entryName)) {
+      throw new Error(
+        `ZIP entry path "${entryName}" is unsafe (no "..", absolute paths, or control characters allowed)`
+      );
+    }
+
+    if (data.byteLength > maxFileSize) {
+      throw new Error(
+        `ZIP entry "${baseName}" is ${data.byteLength} bytes — exceeds ${maxFileSize} byte limit per file`
+      );
+    }
+
+    totalBytes += data.byteLength;
+    if (totalBytes > maxTotal) {
+      throw new Error(`ZIP archive total uncompressed size exceeds ${maxTotal} byte limit`);
+    }
+
+    const content = new TextDecoder("utf-8").decode(data);
+    result.push({ name: baseName, content });
+  }
+
+  return result;
+}
diff --git a/src/shared/validation/schemas.ts b/src/shared/validation/schemas.ts
index 900a131253..da8c4709de 100644
--- a/src/shared/validation/schemas.ts
+++ b/src/shared/validation/schemas.ts
@@ -337,6 +337,22 @@ export const importCodexAuthSchema = z.object({
   overwriteExisting: z.boolean().optional(),
 });
 
+// ──── Codex Import Bulk Schema ────
+
+export const importCodexAuthBulkSchema = z.object({
+  entries: z
+    .array(
+      z.object({
+        json: z.unknown(),
+        name: z.string().min(1).max(200).optional(),
+        email: z.string().email("Must be a valid email").optional(),
+      })
+    )
+    .min(1, "At least one entry is required")
+    .max(50, "At most 50 entries per bulk import"),
+  overwriteExisting: z.boolean().optional(),
+});
+
 // ──── API Key Schemas ────
 
 export const createKeySchema = z.object({
diff --git a/tests/unit/codexAuthImportBulk.test.ts b/tests/unit/codexAuthImportBulk.test.ts
new file mode 100644
index 0000000000..1e03d46904
--- /dev/null
+++ b/tests/unit/codexAuthImportBulk.test.ts
@@ -0,0 +1,187 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import { z } from "zod";
+
+// Local copy of importCodexAuthBulkSchema — avoids importing Next.js deps.
+const importCodexAuthBulkSchema = z.object({
+  entries: z
+    .array(
+      z.object({
+        json: z.unknown(),
+        name: z.string().min(1).max(200).optional(),
+        email: z.string().email().optional(),
+      })
+    )
+    .min(1)
+    .max(50),
+  overwriteExisting: z.boolean().optional(),
+});
+
+function parse(body: unknown) {
+  return importCodexAuthBulkSchema.safeParse(body);
+}
+
+// ──── Schema tests ────────────────────────────────────────────────────────────
+
+test("bulk schema: valid single entry passes", () => {
+  const result = parse({ entries: [{ json: { auth_mode: "chatgpt" } }] });
+  assert.ok(result.success);
+});
+
+test("bulk schema: valid multiple entries pass", () => {
+  const result = parse({
+    entries: [
+      { json: {}, name: "Account A", email: "a@example.com" },
+      { json: {}, name: "Account B" },
+    ],
+    overwriteExisting: true,
+  });
+  assert.ok(result.success);
+  assert.equal(result.data.entries.length, 2);
+  assert.equal(result.data.overwriteExisting, true);
+});
+
+test("bulk schema: empty entries array fails", () => {
+  const result = parse({ entries: [] });
+  assert.ok(!result.success);
+});
+
+test("bulk schema: missing entries fails", () => {
+  const result = parse({});
+  assert.ok(!result.success);
+});
+
+test("bulk schema: 50 entries passes", () => {
+  const entries = Array.from({ length: 50 }, (_, i) => ({ json: { index: i } }));
+  const result = parse({ entries });
+  assert.ok(result.success);
+});
+
+test("bulk schema: 51 entries fails", () => {
+  const entries = Array.from({ length: 51 }, (_, i) => ({ json: { index: i } }));
+  const result = parse({ entries });
+  assert.ok(!result.success);
+});
+
+test("bulk schema: invalid email in entry fails", () => {
+  const result = parse({
+    entries: [{ json: {}, email: "not-an-email" }],
+  });
+  assert.ok(!result.success);
+  const emailIssue = result.error.issues.find((i) => i.path.some((p) => p === "email"));
+  assert.ok(emailIssue);
+});
+
+test("bulk schema: empty name in entry fails", () => {
+  const result = parse({ entries: [{ json: {}, name: "" }] });
+  assert.ok(!result.success);
+});
+
+test("bulk schema: overwriteExisting must be boolean", () => {
+  const result = parse({
+    entries: [{ json: {} }],
+    overwriteExisting: "yes",
+  });
+  assert.ok(!result.success);
+});
+
+// ──── Paste-list parser tests ─────────────────────────────────────────────────
+
+// Client-side paste parser logic (mirrors what the UI does before submitting)
+function parsePasteList(text: string): Array<{ json: unknown; parseError: string | null }> {
+  const trimmed = text.trim();
+  if (!trimmed) return [];
+
+  // Try as a JSON array first
+  try {
+    const parsed = JSON.parse(trimmed);
+    if (Array.isArray(parsed)) {
+      return parsed.map((item) => ({ json: item, parseError: null }));
+    }
+    // Single object
+    return [{ json: parsed, parseError: null }];
+  } catch {
+    // Fall back to --- separator
+    const parts = trimmed
+      .split(/^---$/m)
+      .map((s) => s.trim())
+      .filter(Boolean);
+    return parts.map((part) => {
+      try {
+        return { json: JSON.parse(part), parseError: null };
+      } catch {
+        return { json: null, parseError: "Invalid JSON" };
+      }
+    });
+  }
+}
+
+test("paste parser: JSON array returns all items", () => {
+  const text = JSON.stringify([{ auth_mode: "chatgpt" }, { auth_mode: "chatgpt" }]);
+  const result = parsePasteList(text);
+  assert.equal(result.length, 2);
+  assert.ok(result.every((r) => r.parseError === null));
+});
+
+test("paste parser: single JSON object returns one item", () => {
+  const text = JSON.stringify({ auth_mode: "chatgpt" });
+  const result = parsePasteList(text);
+  assert.equal(result.length, 1);
+  assert.equal(result[0].parseError, null);
+});
+
+test("paste parser: --- separator splits multiple JSONs", () => {
+  const a = JSON.stringify({ auth_mode: "chatgpt", index: 1 });
+  const b = JSON.stringify({ auth_mode: "chatgpt", index: 2 });
+  const text = `${a}\n---\n${b}`;
+  const result = parsePasteList(text);
+  assert.equal(result.length, 2);
+  assert.ok(result.every((r) => r.parseError === null));
+});
+
+test("paste parser: invalid JSON in --- section marked as error", () => {
+  const good = JSON.stringify({ auth_mode: "chatgpt" });
+  const text = `${good}\n---\nnot valid json`;
+  const result = parsePasteList(text);
+  assert.equal(result.length, 2);
+  assert.equal(result[0].parseError, null);
+  assert.ok(result[1].parseError !== null);
+});
+
+test("paste parser: empty string returns empty array", () => {
+  assert.equal(parsePasteList("").length, 0);
+  assert.equal(parsePasteList("   ").length, 0);
+});
+
+// ──── Partial-failure response shape ──────────────────────────────────────────
+
+test("bulk response shape: partial success has correct structure", () => {
+  const response = {
+    success: 2,
+    failed: 1,
+    total: 3,
+    created: [{ id: "a" }, { id: "b" }],
+    errors: [{ index: 2, name: "entry 3", message: "duplicate_account" }],
+  };
+
+  assert.equal(response.success + response.failed, response.total);
+  assert.equal(response.created.length, response.success);
+  assert.equal(response.errors.length, response.failed);
+  assert.ok("index" in response.errors[0]);
+  assert.ok("name" in response.errors[0]);
+  assert.ok("message" in response.errors[0]);
+});
+
+test("bulk response shape: all-failure has status failed", () => {
+  const entries = 3;
+  const failed = 3;
+  const status = failed === entries ? "failure" : "success";
+  assert.equal(status, "failure");
+});
+
+test("bulk response shape: partial failure has status success", () => {
+  const entries = 3;
+  const failed = 1;
+  const status = failed === entries ? "failure" : "success";
+  assert.equal(status, "success");
+});
diff --git a/tests/unit/codexAuthZipExtract.test.ts b/tests/unit/codexAuthZipExtract.test.ts
new file mode 100644
index 0000000000..261e3de056
--- /dev/null
+++ b/tests/unit/codexAuthZipExtract.test.ts
@@ -0,0 +1,134 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import { zipSync, strToU8 } from "fflate";
+
+// Mirror the safety logic from codexAuthZipExtract.ts so we can test without
+// importing the module (which is fine since it has no external DB deps, but
+// we test the pure logic to keep the test surface clear).
+
+interface ExtractedZipFile {
+  name: string;
+  content: string;
+}
+
+interface ExtractZipOptions {
+  maxFiles?: number;
+  maxFileSizeBytes?: number;
+  maxTotalSizeBytes?: number;
+}
+
+// Local re-implementation of the exported function to exercise it without
+// importing Node-only code in the test runner.
+import { extractCodexAuthZip } from "../../src/lib/oauth/utils/codexAuthZipExtract.ts";
+
+// ──── Helpers ─────────────────────────────────────────────────────────────────
+
+function makeZip(files: Record<string, string>): Buffer {
+  const entries: Record<string, Uint8Array> = {};
+  for (const [name, content] of Object.entries(files)) {
+    entries[name] = strToU8(content);
+  }
+  return Buffer.from(zipSync(entries));
+}
+
+const VALID_AUTH = JSON.stringify({ auth_mode: "chatgpt", tokens: {}, OPENAI_API_KEY: null });
+
+// ──── Tests ───────────────────────────────────────────────────────────────────
+
+test("extractCodexAuthZip: happy path — returns all .json entries", () => {
+  const zip = makeZip({
+    "auth-a.json": VALID_AUTH,
+    "auth-b.json": VALID_AUTH,
+    "auth-c.json": VALID_AUTH,
+  });
+  const files = extractCodexAuthZip(zip);
+  assert.equal(files.length, 3);
+  const names = files.map((f) => f.name).sort();
+  assert.deepEqual(names, ["auth-a.json", "auth-b.json", "auth-c.json"]);
+});
+
+test("extractCodexAuthZip: ignores non-.json entries", () => {
+  const zip = makeZip({
+    "auth-a.json": VALID_AUTH,
+    "README.md": "# Readme",
+    "config.yaml": "key: value",
+  });
+  const files = extractCodexAuthZip(zip);
+  assert.equal(files.length, 1);
+  assert.equal(files[0].name, "auth-a.json");
+});
+
+test("extractCodexAuthZip: rejects archive with no .json files", () => {
+  const zip = makeZip({ "README.md": "# Readme" });
+  assert.throws(() => extractCodexAuthZip(zip), /no \.json files/i);
+});
+
+test("extractCodexAuthZip: rejects entry with .. in path", () => {
+  const zip = makeZip({ "../../../etc/passwd.json": '{"evil":true}' });
+  assert.throws(() => extractCodexAuthZip(zip), /unsafe/i);
+});
+
+test("extractCodexAuthZip: rejects absolute path entries", () => {
+  const zip = makeZip({ "/etc/passwd.json": '{"evil":true}' });
+  assert.throws(() => extractCodexAuthZip(zip), /unsafe/i);
+});
+
+test("extractCodexAuthZip: rejects archive exceeding max file count", () => {
+  const files: Record<string, string> = {};
+  for (let i = 0; i <= 50; i++) {
+    files[`auth-${i}.json`] = VALID_AUTH;
+  }
+  const zip = makeZip(files);
+  assert.throws(() => extractCodexAuthZip(zip), /max allowed is 50/i);
+});
+
+test("extractCodexAuthZip: respects custom maxFiles option", () => {
+  const zip = makeZip({
+    "auth-a.json": VALID_AUTH,
+    "auth-b.json": VALID_AUTH,
+    "auth-c.json": VALID_AUTH,
+  });
+  assert.throws(() => extractCodexAuthZip(zip, { maxFiles: 2 }), /max allowed is 2/i);
+});
+
+test("extractCodexAuthZip: rejects individual file exceeding per-file cap", () => {
+  const bigContent = "x".repeat(257 * 1024);
+  const zip = makeZip({ "big.json": bigContent });
+  assert.throws(() => extractCodexAuthZip(zip, { maxFileSizeBytes: 256 * 1024 }), /exceeds/i);
+});
+
+test("extractCodexAuthZip: rejects total size exceeding cap", () => {
+  // Each chunk is 4 MB — under the per-file override (5 MB) but 3 × 4 MB = 12 MB > 10 MB total
+  const chunk = "x".repeat(4 * 1024 * 1024);
+  const zip = makeZip({
+    "a.json": chunk,
+    "b.json": chunk,
+    "c.json": chunk,
+  });
+  assert.throws(
+    () =>
+      extractCodexAuthZip(zip, {
+        maxFileSizeBytes: 5 * 1024 * 1024,
+        maxTotalSizeBytes: 10 * 1024 * 1024,
+      }),
+    /total/i
+  );
+});
+
+test("extractCodexAuthZip: content is returned as UTF-8 string", () => {
+  const content = JSON.stringify({ hello: "wörld 🌍" });
+  const zip = makeZip({ "auth.json": content });
+  const files = extractCodexAuthZip(zip);
+  assert.equal(files[0].content, content);
+});
+
+test("extractCodexAuthZip: uses basename from nested path entries", () => {
+  const zip = makeZip({ "subdir/auth-nested.json": VALID_AUTH });
+  const files = extractCodexAuthZip(zip);
+  assert.equal(files[0].name, "auth-nested.json");
+});
+
+test("extractCodexAuthZip: rejects corrupt / non-ZIP buffer", () => {
+  const notAZip = Buffer.from("this is not a zip file");
+  assert.throws(() => extractCodexAuthZip(notAZip), /could not parse zip/i);
+});