Address CodeRabbit provider feedback

packages/custom-widgets/src/test/ai-evaluation.spec.ts

@@ -5,6 +5,7 @@ import {
   buildEvaluationPrompt,
   buildJudgePrompt,
   buildRepairPrompt,
+  DEFAULT_AI_PROVIDER_BASE_URL,
   DEFAULT_GENERATOR_MODEL,
   DEFAULT_JUDGE_MODEL,
   getAiProviderChatCompletionsUrl,
@@ -196,6 +197,33 @@ describe("AI authoring evaluation", () => {
       generatorModel: "homarr/deepseek-v4-flash-latest",
       judgeModel: "homarr/deepseek-v4-flash-latest",
     });
+    expect(
+      resolveAiEvaluationProviderConfig({
+        AI_PROVIDER_BASE_URL: "   ",
+        OPENROUTER_API_KEY: "legacy-key",
+        OPENROUTER_GENERATOR_MODEL: "legacy-generator",
+        OPENROUTER_JUDGE_MODEL: "legacy-judge",
+      }),
+    ).toEqual({
+      apiKey: "legacy-key",
+      baseUrl: DEFAULT_AI_PROVIDER_BASE_URL,
+      generatorModel: "legacy-generator",
+      judgeModel: "legacy-judge",
+    });
+    expect(
+      resolveAiEvaluationProviderConfig({
+        AI_PROVIDER_BASE_URL: "https://homarr.dev/api/ai/v1",
+        AI_PROVIDER_API_KEY: "workshop-token",
+        OPENROUTER_API_KEY: "must-not-leak",
+        OPENROUTER_GENERATOR_MODEL: "must-not-apply",
+        OPENROUTER_JUDGE_MODEL: "must-not-apply",
+      }),
+    ).toEqual({
+      apiKey: "workshop-token",
+      baseUrl: "https://homarr.dev/api/ai/v1",
+      generatorModel: "homarr/deepseek-v4-flash-latest",
+      judgeModel: "homarr/deepseek-v4-flash-latest",
+    });
   });
 
   it("requires exceptional goal, design, practicality, and complexity scores", () => {