feat: complete remaining Go backend modules

tests/jobs-http-contract.test.ts

@@ -0,0 +1,3 @@
+import { readFile } from "node:fs/promises";
+import { describe, expect, it } from "vitest";
+describe("Go jobs HTTP v1 contract", () => { it("freezes paths, methods, scope and statuses", async () => { const c=JSON.parse(await readFile(new URL("../contracts/jobs/http-v1.json",import.meta.url),"utf8")); expect(c.public.scope).toEqual(["ownerId","externalClientId"]); expect(c.public.statuses).toEqual({created:202,reused:200,conflict:409,notFound:404}); expect(c.platform.image.methods).toEqual(["GET","POST"]); expect(c.worker.auth).toBe("publicapi.AssertInternalWorker"); }); });