fix: update the logic to update thinking in cli tools page

tests/unit/cli-tool-config-contract.test.js

@@ -54,7 +54,10 @@ describe("CLI tool configuration contract", () => {
       apiKeyMode: "managed",
       selectedModels: ["cc/a", "cc/a"],
       coworkThinking: { "cc/a": "high", "stale/model": "low" },
-    })).toMatchObject({ selectedModels: ["cc/a", "cc/a"], coworkThinking: { "cc/a": "high" } });
+    })).toMatchObject({
+      selectedModels: ["cc/a", "cc/a"],
+      coworkModelSettings: [{ thinking: "high" }, { thinking: "high" }],
+    });
 
     expect(normalizeCliToolConfig("cursor", {
       apiKeyMode: "managed",
@@ -73,11 +76,36 @@ describe("CLI tool configuration contract", () => {
     })).toEqual({
       baseUrl: "https://router.example/v1",
       selectedModels: ["cc/a", "cc/a"],
-      copilotThinking: { "cc/a": "high" },
-      copilotTokens: { "cc/a": { maxInputTokens: 100000, maxOutputTokens: 32000 } },
+      copilotModelSettings: [
+        { thinking: "high", tokens: { maxInputTokens: 100000, maxOutputTokens: 32000 } },
+        { thinking: "high", tokens: { maxInputTokens: 100000, maxOutputTokens: 32000 } },
+      ],
     });
   });
 
+  it("keeps duplicate model settings independent by occurrence", () => {
+    expect(normalizeCliToolConfig("copilot", {
+      baseUrl: "https://router.example/v1",
+      selectedModels: ["cc/a", "cc/a"],
+      copilotModelSettings: [
+        { thinking: "low", tokens: { maxInputTokens: 16000 } },
+        { thinking: "high", tokens: { maxOutputTokens: 32000 } },
+      ],
+    })).toMatchObject({
+      copilotModelSettings: [
+        { thinking: "low", tokens: { maxInputTokens: 16000 } },
+        { thinking: "high", tokens: { maxOutputTokens: 32000 } },
+      ],
+    });
+
+    expect(normalizeCliToolConfig("cowork", {
+      baseUrl: "https://router.example",
+      apiKeyMode: "managed",
+      selectedModels: ["cc/a", "cc/a"],
+      coworkModelSettings: [{ thinking: "low" }, { thinking: "high" }],
+    })).toMatchObject({ coworkModelSettings: [{ thinking: "low" }, { thinking: "high" }] });
+  });
+
   it("rejects plaintext secrets, invalid URLs, and invalid token limits", () => {
     expect(() => normalizeCliToolConfig("claude", {
       baseUrl: "https://router.example",

tests/unit/permanent-model-delete.test.js

@@ -161,7 +161,7 @@ describe("permanent model deletion", () => {
     });
     expect((await db.getCliToolConfig(cliUser.id, "cowork")).config).toMatchObject({
       selectedModels: [`${providerPrefix}/gpt-keep`],
-      coworkThinking: { [`${providerPrefix}/gpt-keep`]: "low" },
+      coworkModelSettings: [{ thinking: "low" }],
     });
 
     const history = await db.getUsageHistory({});