feat: add local auth billing and usage management

tests/jimeng-capabilities.test.ts

@@ -7,18 +7,10 @@ import {
 } from "@/lib/jimeng/capabilities";
 
 describe("Jimeng capability matrix", () => {
-  it("only exposes the three supported image capabilities", () => {
+  it("only exposes image generation", () => {
     const capabilities = getJimengCapabilities();
-    expect(Object.keys(capabilities)).toEqual([
-      "image.generate",
-      "image.inpaint",
-      "image.upscale"
-    ]);
-    expect(getVisibleImageCapabilities().map((capability) => capability.id)).toEqual([
-      "image.generate",
-      "image.inpaint",
-      "image.upscale"
-    ]);
+    expect(Object.keys(capabilities)).toEqual(["image.generate"]);
+    expect(getVisibleImageCapabilities().map((capability) => capability.id)).toEqual(["image.generate"]);
   });
 
   it("builds payloads for image generation 4.6", () => {
@@ -41,14 +33,6 @@ describe("Jimeng capability matrix", () => {
     });
   });
 
-  it("requires original and mask URLs for inpainting", () => {
-    expect(() =>
-      buildJimengPayload("image.inpaint", "jimeng_image2image_dream_inpaint", {
-        imageUrls: ["https://example.com/original.png"]
-      })
-    ).toThrow(/exactly two/);
-  });
-
   it("uses return_url query payload for polling", () => {
     const payload = buildJimengQueryPayload("jimeng_i2i_seed3_tilesr_cvtob", "task-1");
     expect(payload.req_key).toBe("jimeng_i2i_seed3_tilesr_cvtob");