feat(webui): parse generation defaults from the model catalog

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/app/hooks/useAvailableModels.test.ts

@@ -0,0 +1,32 @@
+import { describe, expect, it } from "vitest";
+import { parseSelectableModel } from "./useAvailableModels";
+
+const RAW = {
+  model_ref: { provider_id: "zhipu-glm", model_key: "glm-5.2" },
+  name: "GLM-5.2",
+  provider_name: "Zhipu GLM",
+  effective_capabilities: {
+    tools: true,
+    vision: false,
+    structured_output: true,
+  },
+  default_temperature: 0.7,
+  default_top_p: 0.95,
+};
+
+describe("parseSelectableModel", () => {
+  it("keeps generation defaults from the catalog", () => {
+    const parsed = parseSelectableModel(RAW);
+    expect(parsed?.default_temperature).toBe(0.7);
+    expect(parsed?.default_top_p).toBe(0.95);
+  });
+
+  it("defaults missing generation fields to null", () => {
+    const { default_temperature, default_top_p, ...rest } = RAW;
+    void default_temperature;
+    void default_top_p;
+    const parsed = parseSelectableModel(rest);
+    expect(parsed?.default_temperature).toBeNull();
+    expect(parsed?.default_top_p).toBeNull();
+  });
+});

src/app/hooks/useAvailableModels.ts

@@ -35,13 +35,15 @@ function isModelRef(value: unknown): value is ModelRef {
   );
 }
 
-function parseSelectableModel(raw: unknown): SelectableModel | null {
+export function parseSelectableModel(raw: unknown): SelectableModel | null {
   if (!raw || typeof raw !== "object") return null;
   const entry = raw as {
     model_ref?: unknown;
     name?: unknown;
     provider_name?: unknown;
     effective_capabilities?: unknown;
+    default_temperature?: unknown;
+    default_top_p?: unknown;
   };
   if (!isModelRef(entry.model_ref) || typeof entry.name !== "string") {
     return null;
@@ -62,6 +64,12 @@ function parseSelectableModel(raw: unknown): SelectableModel | null {
       vision: caps?.vision === true,
       structured_output: caps?.structured_output === true,
     },
+    default_temperature:
+      typeof entry.default_temperature === "number"
+        ? entry.default_temperature
+        : null,
+    default_top_p:
+      typeof entry.default_top_p === "number" ? entry.default_top_p : null,
   };
 }
 

src/lib/modelRegistry.ts

@@ -185,6 +185,8 @@ export interface SelectableModel {
   name: string;
   provider_name: string;
   effective_capabilities: Capabilities;
+  default_temperature: number | null;
+  default_top_p: number | null;
 }
 
 export interface GetSelectableModelsResponse {