v0.11.5: 搜索抓取增强 + 流式进度修复 + 超时/写入容错

feat: 搜索面板新增认证类型 Bearer/Basic，自动抓取条数/类型(顺序/随机)
feat: 随机抓取失败自动从未抓取池补1条，上限移除
fix: write_file 缺 path 时返回引导性报错(含工作空间路径+平台示例)
fix: Ollama tool_calls arguments JSON字符串解析
fix: 流式进度日志不再删除，改为完整时间线记录
fix: 进度日志同步appendChild确保排在工具日志之前
fix: 超时设置面板/主进程 remove max上限
chore: 版本号 0.11.4 → 0.11.5

src/main/ipc.ts

@@ -189,7 +189,7 @@ export async function setupIPC(): Promise<void> {
         case 'move_file':          result = await handleMoveFile(args as { source: string; destination: string }); break;
         case 'copy_file':          result = await handleCopyFile(args as { source: string; destination: string; recursive?: boolean }); break;
         case 'web_fetch':          result = await handleWebFetch(args as { url: string; max_chars?: number; extract_mode?: string }); break;
-        case 'web_search':         result = await handleWebSearch(args as { query: string; max_results?: number }); break;
+        case 'web_search':         result = await handleWebSearch(args as { query: string; max_results?: number; time_range?: string; enhance_snippets?: boolean; fetch_top?: number }); break;
         case 'edit_file':          result = await handleEditFile(args as { path: string; old_text: string; new_text: string; all?: boolean; use_regex?: boolean }); break;
         case 'get_file_info':      result = await handleGetFileInfo(args as { path: string }); break;
         case 'tree':               result = await handleTree(args as { path: string; max_depth?: number; include_hidden?: boolean }); break;