Reduce remaining file, LSP, and XAA debug detail

src/tools/BriefTool/upload.ts

@@ -57,6 +57,47 @@ function debug(msg: string): void {
   logForDebugging(`[brief:upload] ${msg}`)
 }
 
+function summarizeUploadError(error: unknown): string {
+  const summary: Record<string, boolean | number | string> = {}
+
+  if (error instanceof Error) {
+    summary.errorType = error.constructor.name
+    summary.errorName = error.name
+    summary.hasMessage = error.message.length > 0
+  } else {
+    summary.errorType = typeof error
+    summary.hasValue = error !== undefined && error !== null
+  }
+
+  if (axios.isAxiosError(error)) {
+    summary.errorType = 'AxiosError'
+    if (error.code) {
+      summary.axiosCode = error.code
+    }
+    if (typeof error.response?.status === 'number') {
+      summary.httpStatus = error.response.status
+    }
+    summary.hasResponseData = error.response?.data !== undefined
+  }
+
+  return jsonStringify(summary)
+}
+
+function summarizeUploadResponse(data: unknown): string {
+  if (data === undefined) return 'undefined'
+  if (data === null) return 'null'
+  if (Array.isArray(data)) return `array(${data.length})`
+  if (typeof data === 'object') {
+    return jsonStringify({
+      responseType: 'object',
+      keys: Object.keys(data as Record<string, unknown>)
+        .sort()
+        .slice(0, 10),
+    })
+  }
+  return typeof data
+}
+
 /**
  * Base URL for uploads. Must match the host the token is valid for.
  *
@@ -100,7 +141,9 @@ export async function uploadBriefAttachment(
     if (!ctx.replBridgeEnabled) return undefined
 
     if (size > MAX_UPLOAD_BYTES) {
-      debug(`skip ${fullPath}: ${size} bytes exceeds ${MAX_UPLOAD_BYTES} limit`)
+      debug(
+        `skip attachment upload: ${size} bytes exceeds ${MAX_UPLOAD_BYTES} limit`,
+      )
       return undefined
     }
 
@@ -114,7 +157,7 @@ export async function uploadBriefAttachment(
     try {
       content = await readFile(fullPath)
     } catch (e) {
-      debug(`read failed for ${fullPath}: ${e}`)
+      debug(`read failed before upload: ${summarizeUploadError(e)}`)
       return undefined
     }
 
@@ -150,23 +193,23 @@ export async function uploadBriefAttachment(
 
       if (response.status !== 201) {
         debug(
-          `upload failed for ${fullPath}: status=${response.status} body=${jsonStringify(response.data).slice(0, 200)}`,
+          `upload failed: status=${response.status} response=${summarizeUploadResponse(
+            response.data,
+          )}`,
         )
         return undefined
       }
 
       const parsed = uploadResponseSchema().safeParse(response.data)
       if (!parsed.success) {
-        debug(
-          `unexpected response shape for ${fullPath}: ${parsed.error.message}`,
-        )
+        debug('unexpected upload response shape')
         return undefined
       }
 
-      debug(`uploaded ${fullPath} → ${parsed.data.file_uuid} (${size} bytes)`)
+      debug(`uploaded attachment (${size} bytes)`)
       return parsed.data.file_uuid
     } catch (e) {
-      debug(`upload threw for ${fullPath}: ${e}`)
+      debug(`upload threw: ${summarizeUploadError(e)}`)
       return undefined
     }
   }

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.`,
           },
         }
       }