Remove unused file_list UI routing - uses GenericToolCall fallback

The file_list tool is already handled by GenericToolCall at the end of
ToolMessage.tsx, so the custom FileListToolCall component and routing
were never actually used. Removed to fix lint errors.

Author: ammar-agent

src/components/Messages/ToolMessage.tsx

@@ -5,16 +5,14 @@ import { GenericToolCall } from "../tools/GenericToolCall";
 import { BashToolCall } from "../tools/BashToolCall";
 import { FileEditToolCall } from "../tools/FileEditToolCall";
 import { FileReadToolCall } from "../tools/FileReadToolCall";
-import { FileListToolCall } from "../tools/FileListToolCall";
+
 import { ProposePlanToolCall } from "../tools/ProposePlanToolCall";
 import { TodoToolCall } from "../tools/TodoToolCall";
 import type {
   BashToolArgs,
   BashToolResult,
   FileReadToolArgs,
   FileReadToolResult,
-  FileListToolArgs,
-  FileListToolResult,
   FileEditInsertToolArgs,
   FileEditInsertToolResult,
   FileEditReplaceStringToolArgs,
@@ -45,10 +43,7 @@ function isFileReadTool(toolName: string, args: unknown): args is FileReadToolAr
   return TOOL_DEFINITIONS.file_read.schema.safeParse(args).success;
 }
 
-function isFileListTool(toolName: string, args: unknown): args is FileListToolArgs {
-  if (toolName !== "file_list") return false;
-  return TOOL_DEFINITIONS.file_list.schema.safeParse(args).success;
-}
+
 
 function isFileEditReplaceStringTool(
   toolName: string,

src/components/tools/FileListToolCall.tsx

@@ -1,6 +1,6 @@
 import React from "react";
 import styled from "@emotion/styled";
-import type { FileListToolArgs, FileListToolResult, FileEntry } from "@/types/tools";
+import type { FileListToolArgs, FileListToolResult } from "@/types/tools";
 import {
   ToolContainer,
   ToolHeader,