test: add claude-fable-5 model mock to fix failing provider tests

Author: easonliang28

src/api/providers/__tests__/requesty.spec.ts

@@ -38,6 +38,17 @@ vitest.mock("../fetchers/modelCache", () => ({
 				cacheReadsPrice: 0.3,
 				description: "Claude 4 Sonnet",
 			},
+			"anthropic/claude-fable-5": {
+				maxTokens: 32768,
+				contextWindow: 200000,
+				supportsImages: true,
+				supportsPromptCache: true,
+				inputPrice: 1.0,
+				outputPrice: 5.0,
+				cacheWritesPrice: 1.25,
+				cacheReadsPrice: 0.1,
+				description: "Claude Fable 5",
+			},
 		})
 	}),
 }))

src/api/providers/__tests__/vercel-ai-gateway.spec.ts

@@ -38,6 +38,17 @@ vitest.mock("../fetchers/modelCache", () => ({
 				cacheReadsPrice: 0.1,
 				description: "Claude 3.5 Haiku",
 			},
+			"anthropic/claude-fable-5": {
+				maxTokens: 32768,
+				contextWindow: 200000,
+				supportsImages: true,
+				supportsPromptCache: true,
+				inputPrice: 1.0,
+				outputPrice: 5.0,
+				cacheWritesPrice: 1.25,
+				cacheReadsPrice: 0.1,
+				description: "Claude Fable 5",
+			},
 			"openai/gpt-4o": {
 				maxTokens: 16000,
 				contextWindow: 128000,