fix(openrouter): correct reserved tokens for google/gemini-2.5-pro-preview to 66k and add test coverage

Author: shariqriazz

src/api/providers/__tests__/openrouter.test.ts

@@ -114,6 +114,14 @@ describe("OpenRouterHandler", () => {
 			expect(result.reasoningBudget).toBeUndefined()
 			expect(result.temperature).toBe(0)
 		})
+		it("sets maxTokens to 66000 for google/gemini-2.5-pro-preview", async () => {
+			const handler = new OpenRouterHandler({
+				openRouterApiKey: "test-key",
+				openRouterModelId: "google/gemini-2.5-pro-preview",
+			})
+			const result = await handler.fetchModel()
+			expect(result.maxTokens).toBe(66000)
+		})
 	})
 
 	describe("createMessage", () => {

src/api/providers/fetchers/openrouter.ts

@@ -106,7 +106,11 @@ export async function getOpenRouterModels(options?: ApiHandlerOptions): Promise<
 				id,
 				model,
 				modality: architecture?.modality,
-				maxTokens: id.startsWith("anthropic/") ? top_provider?.max_completion_tokens : 0,
+				maxTokens: id.startsWith("anthropic/")
+					? top_provider?.max_completion_tokens
+					: id === "google/gemini-2.5-pro-preview"
+						? 66000
+						: 0,
 				supportedParameters: supported_parameters,
 			})
 		}