fixes

src/ai_client.py

@@ -638,12 +638,16 @@ async def _execute_single_tool_call_async(
     out = "USER REJECTED: tool execution cancelled" if _res is None else await mcp_client.async_dispatch(name, args)
    else:
     out = await mcp_client.async_dispatch(name, args)
+   if tool_log_callback:
+    tool_log_callback(f"# MCP TOOL: {name}\n{json.dumps(args, indent=1)}", out)
   elif name == TOOL_NAME:
    scr = cast(str, args.get("script", ""))
    _append_comms("OUT", "tool_call", {"name": TOOL_NAME, "id": call_id, "script": scr})
    out = await asyncio.to_thread(_run_script, scr, base_dir, qa_callback, patch_callback)
   else:
    out = f"ERROR: unknown tool '{name}'"
+   if tool_log_callback:
+    tool_log_callback(f"ERROR: {name}", out)
 
  return (name, call_id, out, name)
 
@@ -1495,6 +1499,26 @@ def _ensure_minimax_client() -> None:
    raise ValueError("MiniMax API key not found in credentials.toml")
   _minimax_client = OpenAI(api_key=api_key, base_url="https://api.minimax.chat/v1")
 
+def _repair_deepseek_history(history: list[dict[str, Any]]) -> None:
+ if not history:
+  return
+ last = history[-1]
+ if last.get("role") != "assistant":
+  return
+ tool_calls = last.get("tool_calls", [])
+ if not tool_calls:
+  return
+ call_ids = [tc.get("id") for tc in tool_calls if tc.get("id")]
+ for cid in call_ids:
+  # Check if already present in tail (to be safe, though usually missing if we're here)
+  already_has = any(m.get("role") == "tool" and m.get("tool_call_id") == cid for m in history[-len(call_ids)-1:])
+  if not already_has:
+   history.append({
+     "role": "tool",
+     "tool_call_id": cid,
+     "content": "ERROR: Session was interrupted before tool result was recorded.",
+    })
+
 def _send_deepseek(md_content: str, user_message: str, base_dir: str,
  file_items: list[dict[str, Any]] | None = None,
  discussion_history: str = "",
@@ -1522,6 +1546,7 @@ def _send_deepseek(md_content: str, user_message: str, base_dir: str,
   
   # Update history following Anthropic pattern
   with _deepseek_history_lock:
+   _repair_deepseek_history(_deepseek_history)
    if discussion_history and not _deepseek_history:
     user_content = f"[DISCUSSION HISTORY]\n\n{discussion_history}\n\n---\n\n{user_message}"
    else: