fix(percy): drop runPercyScan config parameter

config was only used to derive auth for the now-removed
fetchPercyToken call. Drop the dead parameter from the signature
and update the lone caller in percy-sdk.ts. Resolves the eslint
no-unused-vars error introduced by the prior commit.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: manoj-k04

src/tools/percy-sdk.ts

@@ -140,7 +140,7 @@ export function registerPercyTools(
     async (args) => {
       try {
         trackMCP("runPercyScan", server.server.getClientVersion()!, config);
-        return runPercyScan(args, config);
+        return runPercyScan(args);
       } catch (error) {
         return handleMCPError("runPercyScan", server, config, error);
       }

src/tools/run-percy-scan.ts

@@ -1,21 +1,17 @@
 import { CallToolResult } from "@modelcontextprotocol/sdk/types.js";
 import { PercyIntegrationTypeEnum } from "./sdk-utils/common/types.js";
-import { BrowserStackConfig } from "../lib/types.js";
 import { storedPercyResults } from "../lib/inmemory-store.js";
 import {
   getFrameworkTestCommand,
   PERCY_FALLBACK_STEPS,
 } from "./sdk-utils/percy-web/constants.js";
 import path from "path";
 
-export async function runPercyScan(
-  args: {
-    projectName: string;
-    integrationType: PercyIntegrationTypeEnum;
-    instruction?: string;
-  },
-  _config: BrowserStackConfig,
-): Promise<CallToolResult> {
+export async function runPercyScan(args: {
+  projectName: string;
+  integrationType: PercyIntegrationTypeEnum;
+  instruction?: string;
+}): Promise<CallToolResult> {
   const { projectName, instruction } = args;
 
   // Check if we have stored data and project matches

src/tools/sdk-utils/percy-web/handler.ts

@@ -10,9 +10,7 @@ import {
 
 export let percyWebSetupInstructions = "";
 
-export function runPercyWeb(
-  input: SetUpPercyInput,
-): RunTestsInstructionResult {
+export function runPercyWeb(input: SetUpPercyInput): RunTestsInstructionResult {
   const steps: RunTestsStep[] = [];
 
   // Assume configuration is supported due to guardrails at orchestration layer

tests/tools/runPercyScan.test.ts

@@ -14,24 +14,16 @@ vi.mock("../../src/logger", () => ({
   default: { error: vi.fn(), info: vi.fn(), debug: vi.fn() },
 }));
 
-const mockConfig = {
-  "browserstack-username": "fake-user",
-  "browserstack-access-key": "fake-key",
-};
-
 describe("runPercyScan", () => {
   beforeEach(() => vi.clearAllMocks());
 
   it("renders PERCY_TOKEN setup instructions with placeholder", async () => {
     (storedPercyResults.get as Mock).mockReturnValue(null);
 
-    const result = await runPercyScan(
-      {
-        projectName: "my-project",
-        integrationType: PercyIntegrationTypeEnum.WEB,
-      },
-      mockConfig,
-    );
+    const result = await runPercyScan({
+      projectName: "my-project",
+      integrationType: PercyIntegrationTypeEnum.WEB,
+    });
 
     const text = result.content[0].text as string;
     expect(text).toContain("PERCY_TOKEN");
@@ -47,13 +39,10 @@ describe("runPercyScan", () => {
       detectedTestingFramework: "jest",
     });
 
-    const result = await runPercyScan(
-      {
-        projectName: "my-project",
-        integrationType: PercyIntegrationTypeEnum.WEB,
-      },
-      mockConfig,
-    );
+    const result = await runPercyScan({
+      projectName: "my-project",
+      integrationType: PercyIntegrationTypeEnum.WEB,
+    });
 
     const text = result.content[0].text as string;
     expect(text).toContain("Updated files to run");
@@ -62,14 +51,11 @@ describe("runPercyScan", () => {
   it("includes custom instruction steps", async () => {
     (storedPercyResults.get as Mock).mockReturnValue(null);
 
-    const result = await runPercyScan(
-      {
-        projectName: "my-project",
-        integrationType: PercyIntegrationTypeEnum.WEB,
-        instruction: "npx percy exec -- npx playwright test",
-      },
-      mockConfig,
-    );
+    const result = await runPercyScan({
+      projectName: "my-project",
+      integrationType: PercyIntegrationTypeEnum.WEB,
+      instruction: "npx percy exec -- npx playwright test",
+    });
 
     const text = result.content[0].text as string;
     expect(text).toContain("npx percy exec");