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Stop shell Excel builds, default write_file paths, and cap short-intent tool rounds.

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Refuse openpyxl/pandas-to_excel via run_command, auto-write content-only files under tmp/, and limit WhatsApp ops short intents to 8 tool rounds by default.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
oliver 2026-08-10 23:21:23 +08:00
parent a5ebabbaae
commit d8bc08ee0d
6 changed files with 162 additions and 13 deletions
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34
runtime/tools/public/write_file_tool.py
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@ -1,5 +1,6 @@
from __future__ import annotations
from datetime import datetime, timezone
from typing import Any
from runtime.tools.base import ToolSpec
@ -14,21 +15,31 @@ def _resolve_write_path(args: dict[str, Any]) -> str:
return ""
def _default_write_path() -> str:
stamp = datetime.now(timezone.utc).strftime("%Y%m%dT%H%M%SZ")
return f"tmp/write_{stamp}.txt"
def write_file_tool() -> ToolSpec:
def _handler(args: dict[str, Any]) -> dict[str, Any]:
raw = _resolve_write_path(args)
if not raw:
return {
"ok": False,
"error": "path_required",
"hint": "Pass path (or file/filename) relative to workspace root.",
"example": {"path": "tmp/notes.txt", "content": "hello", "mode": "overwrite"},
}
content = args.get("content")
if content is None:
content = args.get("text")
if content is None:
content = args.get("body")
auto_path = False
if not raw:
if content is None:
return {
"ok": False,
"error": "path_required",
"hint": "Pass path (or file/filename) relative to workspace root.",
"example": {"path": "tmp/notes.txt", "content": "hello", "mode": "overwrite"},
}
# Production WA agents often omit path; default under tmp/ instead of schema-fail looping.
raw = _default_write_path()
auto_path = True
content_s = "" if content is None else str(content)
mode = str(args.get("mode") or "overwrite").strip().lower()
try:
@ -42,13 +53,18 @@ def write_file_tool() -> ToolSpec:
p.write_text(p.read_text(encoding="utf-8", errors="replace") + content_s, encoding="utf-8")
else:
p.write_text(content_s, encoding="utf-8")
return {"ok": True, "path": str(p), "bytes": p.stat().st_size}
out: dict[str, Any] = {"ok": True, "path": str(p), "bytes": p.stat().st_size}
if auto_path:
out["auto_path"] = True
out["hint"] = f"No path provided; wrote content to {raw}."
return out
return ToolSpec(
name="write_file",
description=(
"Write text content to a workspace file (overwrite or append). "
"Path aliases: file, filename, file_path."
"Path aliases: file, filename, file_path. "
"If path is omitted but content is provided, writes to tmp/write_<timestamp>.txt."
),
parameters={
"type": "object",