Reduce remaining file, LSP, and XAA debug detail

src/tools/McpAuthTool/McpAuthTool.ts

@@ -15,7 +15,6 @@ import type {
   ScopedMcpServerConfig,
 } from '../../services/mcp/types.js'
 import type { Tool } from '../../Tool.js'
-import { errorMessage } from '../../utils/errors.js'
 import { lazySchema } from '../../utils/lazySchema.js'
 import { logMCPDebug, logMCPError } from '../../utils/log.js'
 import type { PermissionDecision } from '../../utils/permissions/PermissionResult.js'
@@ -29,9 +28,11 @@ export type McpAuthOutput = {
   authUrl?: string
 }
 
-function getConfigUrl(config: ScopedMcpServerConfig): string | undefined {
-  if ('url' in config) return config.url
-  return undefined
+function summarizeMcpAuthToolError(error: unknown): string {
+  if (error instanceof Error) {
+    return `${error.name} (hasMessage=${error.message.length > 0})`
+  }
+  return `non-Error (${typeof error})`
 }
 
 /**
@@ -50,12 +51,10 @@ export function createMcpAuthTool(
   serverName: string,
   config: ScopedMcpServerConfig,
 ): Tool<InputSchema, McpAuthOutput> {
-  const url = getConfigUrl(config)
   const transport = config.type ?? 'stdio'
-  const location = url ? `${transport} at ${url}` : transport
 
   const description =
-    `The \`${serverName}\` MCP server (${location}) is installed but requires authentication. ` +
+    `The \`${serverName}\` MCP server (${transport}) is installed but requires authentication. ` +
     `Call this tool to start the OAuth flow — you'll receive an authorization URL to share with the user. ` +
     `Once the user completes authorization in their browser, the server's real tools will become available automatically.`
 
@@ -167,7 +166,9 @@ export function createMcpAuthTool(
         .catch(err => {
           logMCPError(
             serverName,
-            `OAuth flow failed after tool-triggered start: ${errorMessage(err)}`,
+            `OAuth flow failed after tool-triggered start: ${summarizeMcpAuthToolError(
+              err,
+            )}`,
           )
         })
 
@@ -199,7 +200,7 @@ export function createMcpAuthTool(
         return {
           data: {
             status: 'error' as const,
-            message: `Failed to start OAuth flow for ${serverName}: ${errorMessage(err)}. Ask the user to run /mcp and authenticate manually.`,
+            message: `Failed to start OAuth flow for ${serverName}. Ask the user to run /mcp and authenticate manually.`,
           },
         }
       }