优化: 工具调用标识类型安全加固

src-tauri/src/commands/ai/audit/record.rs

@@ -48,7 +48,8 @@ pub(crate) fn build_audit_record(
         // assistant 消息已 push 到 per_conv.messages,入口取末条 assistant id)。
         // None 表示无 assistant 消息(异常路径/老数据无 id),展示侧兼容。
         message_id: message_id.map(|s| s.to_string()),
-        tool_call_id: tool_call_id.to_string(),
+        // &str → ToolCallId(From<&str>),branded newtype 防外部 String 误传
+        tool_call_id: tool_call_id.into(),
         tool_name: tool_name.to_string(),
         arguments: arguments.to_string(),
         result,
@@ -228,7 +229,8 @@ pub async fn list_tool_executions(
         .map(|r| ToolExecutionDto {
             id: r.id,
             conversation_id: r.conversation_id,
-            tool_call_id: r.tool_call_id,
+            // ToolCallId → String(DTO 边界,前端按字符串消费)
+            tool_call_id: r.tool_call_id.into(),
             tool_name: r.tool_name,
             arguments_brief: super::truncate_chars(&r.arguments, 120),
             result_brief: r.result.map(|s| super::truncate_chars(&s, 160)),
@@ -362,7 +364,7 @@ mod tests {
             id: new_id(),
             conversation_id: None,
             message_id: None,
-            tool_call_id: new_id(),
+            tool_call_id: new_id().into(),
             tool_name: tool.to_string(),
             arguments: "{}".to_string(),
             result: None,