fix(providers): show revealed connection API keys (#4583)

Integrated into release/v3.8.34

src/app/(dashboard)/dashboard/providers/[id]/components/modals/EditConnectionModal.tsx

@@ -683,9 +683,7 @@ export default function EditConnectionModal({
           {showFreeModelsToggle && (
             <Toggle
               checked={formData.importFreeModelsOnly}
-              onChange={(checked) =>
-                setFormData({ ...formData, importFreeModelsOnly: checked })
-              }
+              onChange={(checked) => setFormData({ ...formData, importFreeModelsOnly: checked })}
               label={t("importFreeModelsOnlyLabel")}
               description={t("importFreeModelsOnlyHint")}
             />
@@ -1020,10 +1018,9 @@ export default function EditConnectionModal({
                 return (
                   <div className="flex items-center gap-2">
                     <span
-                      className={`flex-1 font-mono text-xs bg-sidebar/50 px-3 py-2 rounded border border-border truncate ${statusColor}`}
+                      className={`flex-1 min-w-0 break-all font-mono text-xs bg-sidebar/50 px-3 py-2 rounded border border-border ${statusColor}`}
                     >
-                      {statusIcon} {t("primaryKey")}: {connection.apiKey.slice(0, 6)}...
-                      {connection.apiKey.slice(-4)}
+                      {statusIcon} {t("primaryKey")}: {connection.apiKey}
                     </span>
                     {health && (
                       <span

src/app/(dashboard)/dashboard/providers/[id]/components/modals/__tests__/connModals.test.tsx

@@ -149,6 +149,31 @@ describe("conn-modals (Phase 1c extraction)", () => {
     expect(c.querySelector("*")).not.toBeNull();
   });
 
+  it("EditConnectionModal renders the API key value returned by the provider connection API", () => {
+    const onSave = vi.fn().mockResolvedValue(undefined);
+    const fullApiKey = "test-provider-key-full-1234567890abcdef78b9";
+    const connection = {
+      id: "conn-full-key",
+      name: "Test Connection",
+      provider: "openai",
+      authType: "apikey",
+      priority: 1,
+      apiKey: fullApiKey,
+    };
+    const c = renderModal(
+      <EditConnectionModal
+        isOpen={true}
+        connection={connection}
+        providerId="openai"
+        onSave={onSave}
+        onClose={vi.fn()}
+      />
+    );
+
+    expect(c.textContent).toContain(fullApiKey);
+    expect(c.textContent).not.toContain("test-p...78b9");
+  });
+
   it("EditConnectionModal renders OpenRouter preset when provider comes from the page", () => {
     const onSave = vi.fn().mockResolvedValue(undefined);
     const connection = {