fix(qoder): allow qmodel_latest model key

- Add qmodel_latest to QODER_MODEL_MAP
- Expose qmodel_latest in static Qoder provider catalog (qd)
- Generalize executor comment so model set does not go stale
- Add unit coverage for the new model key + catalog

Closes #1638

Co-authored-by: Cursor <cursoragent@cursor.com>

open-sse/config/providerModels.js

@@ -153,6 +153,7 @@ export const PROVIDER_MODELS = {
     { id: "lite", name: "Qoder Lite" },
     // Frontier models — pin a specific backing model
     { id: "qmodel", name: "Qwen 3.6 Plus (Qoder)" },
+    { id: "qmodel_latest", name: "Qoder Qwen 3.7 Max" },
     { id: "dmodel", name: "DeepSeek V4 Pro (Qoder)" },
     { id: "dfmodel", name: "DeepSeek V4 Flash (Qoder)" },
     { id: "gm51model", name: "GLM 5.1 (Qoder)" },

open-sse/executors/qoder.js

@@ -12,8 +12,8 @@
  *   - The request shape Qoder expects is non-trivial (chat_context with
  *     mirrored modelConfig, business block with stable IDs, system text
  *     hoisted out of the messages array). All ported from the reference.
- *   - Model identifier is one of the canonical 11 keys (auto / ultimate /
- *     performance / efficient / lite + 6 frontier "*model" ids); the
+ *   - Model identifier is one of the canonical Qoder keys (auto / ultimate /
+ *     performance / efficient / lite + frontier "*model" ids); the
  *     translator layer feeds us "qoder/<key>" so we strip the prefix.
  *   - Per-model `model_config` is fetched live from /algo/api/v2/model/list
  *     and cached. Sending the wrong block silently downgrades to a

src/lib/qoder/constants.js

@@ -46,6 +46,7 @@ export const QODER_MODEL_MAP = {
   lite: "lite",
   // Frontier models
   qmodel: "qmodel",
+  qmodel_latest: "qmodel_latest",
   dmodel: "dmodel",
   dfmodel: "dfmodel",
   gm51model: "gm51model",

tests/unit/qoder.test.js

@@ -15,7 +15,12 @@ import crypto from "crypto";
 import { qoderEncodeBody } from "../../src/lib/qoder/encoding.js";
 import { buildCosyHeaders } from "../../src/lib/qoder/cosy.js";
 import { QoderService } from "../../src/lib/oauth/services/qoder.js";
-import { QODER_CHAT_URL_ENCODED, QODER_MODEL_LIST_URL } from "../../src/lib/qoder/constants.js";
+import {
+  QODER_CHAT_URL_ENCODED,
+  QODER_MODEL_LIST_URL,
+  QODER_MODEL_MAP,
+} from "../../src/lib/qoder/constants.js";
+import { PROVIDER_MODELS } from "../../open-sse/config/providerModels.js";
 import { __test__ as qoderExecutorInternals } from "../../open-sse/executors/qoder.js";
 
 // Convenience aliases — tests were originally written against module-level
@@ -25,6 +30,16 @@ const generatePkcePair = () => new QoderService().generatePkcePair();
 const initiateDeviceFlow = () => new QoderService().initiateDeviceFlow();
 const parseExpiry = QoderService.parseExpiry;
 
+describe("QODER_MODEL_MAP", () => {
+  it("allows Qoder's latest model key", () => {
+    expect(QODER_MODEL_MAP.qmodel_latest).toBe("qmodel_latest");
+  });
+
+  it("exposes Qoder's latest model in the static provider catalog", () => {
+    expect(PROVIDER_MODELS.qd.some((model) => model.id === "qmodel_latest")).toBe(true);
+  });
+});
+
 describe("qoderEncodeBody", () => {
   it("preserves base64 length (input length divisible by 3)", () => {
     const input = Buffer.from("abcdef", "utf8"); // 6 bytes → 8 base64 chars