v0.5.0 Release Notes

Released 2026-02-23

v0.4.0 -> v0.5.0

Summary

Add three new built-in tools (fetch_page, search_web, calculate) and a headless Chrome browser subsystem, bringing the total to 14 tools. Simultaneously refactor the tool executor routing layer by extracting per-package Routes functions, improving modularity and Context propagation across the execution pipeline.

翻譯

新增三個內建工具（fetch_page、search_web、calculate）與 Chrome 無頭瀏覽器子系統，工具總數達 14 個。同步重構工具執行器路由層，將各套件邏輯抽離為獨立 Routes 函式，改善模組化程度與整個執行管線的 Context 傳遞。

Changes

FEAT

• Add fetch_page tool: launch headless Chrome with stealth JS injection, wait for full JS render, return page content as Markdown
• Add search_web tool: concurrent Brave Search + DuckDuckGo query with deduplication, time-range filtering, and configurable result limit (max 50)
• Add calculate tool: evaluate math expressions supporting +, -, *, /, %, ^ (power), parentheses, and functions (sqrt, abs, pow, ceil, floor, round, log, log2, log10, sin, cos, tan)
• Add search_content as a first-class file package tool, moved from executor dispatch into file package

翻譯

• 新增 fetch_page 工具：以 stealth JS 注入啟動 Chrome 無頭瀏覽器，等待完整 JS 渲染後以 Markdown 格式返回頁面內容
• 新增 search_web 工具：並行查詢 Brave Search 與 DuckDuckGo，支援去重、時間範圍過濾及可設定的結果數量上限（最大 50）
• 新增 calculate 工具：計算數學表達式，支援四則運算、%、^（冪次）、括號及數學函式
• 將 search_content 正式遷移至 file 套件，成為獨立工具路由

REFACTOR

• Extract file.Routes function to consolidate all file tool dispatch (read, list, glob, write, patch, search) into the file package, removing inline logic from executor
• Extract apis.Routes function to consolidate API tool dispatch (yahoo_finance, google_rss, weather, http_request, fetch_page, search_web) into the apis package
• Rename file tool source files to shorter names (readFile.go → read.go, listFiles.go → list.go, etc.) for consistency
• Refactor tool confirmation flow to synchronous reply-channel pattern; fix Context cancellation propagation through Execute loop
• Pass context.Context through tools.Execute call chain to enable per-tool timeout and cancellation

翻譯

• 抽離 file.Routes 函式，將所有檔案工具 dispatch 邏輯（讀取、列表、glob、寫入、patch、搜尋）統一至 file 套件
• 抽離 apis.Routes 函式，將 API 工具 dispatch 統一至 apis 套件
• 將檔案工具原始碼重新命名為較簡短的形式（readFile.go → read.go 等）以保持一致性
• 重構工具確認流程為同步回覆通道模式；修正 Execute 迴圈中的 Context 取消傳遞
• 將 context.Context 傳入 tools.Execute 呼叫鏈，支援每個工具的逾時與取消

UPDATE

• Change Copilot default model from gpt-5-mini to gpt-4.1
• Increase run_command execution timeout from 120s to 300s
• Update system prompt and base system prompt to document new tools and revised execution guidelines
• Add raw-body shortcut in utils.GET and utils.POST generic functions: if T is string, response body is read as plain text without JSON/XML decode

翻譯

• 將 Copilot 預設模型從 gpt-5-mini 改為 gpt-4.1
• 將 run_command 執行逾時從 120 秒增加至 300 秒
• 更新系統提示詞與基礎系統提示詞，補充新工具說明與修訂執行指引
• 在 utils.GET 和 utils.POST 泛型函式中加入純文字快取路徑：若 T 為 string，直接以原始文字讀取 Response Body，略過 JSON/XML 解碼

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Files Changed

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