修复 DirectProject 首次历史写入

历史文件不存在时跳过幂等反向扫描保留首条带 id item 的正常追加
2026-09-05 10:56:04 +08:00
parent 1fdfe4624c
commit 61c33cd3c7
1 changed files with 9 additions and 6 deletions
@@ -140,15 +140,18 @@ pub(crate) fn append_direct_project_history_item_at(
    }
    let _project_lock = crate::project::acquire_project_write_lock(root, "conversation.write")?;
    let path = history_path(root);
-    prepare_game_creator_private_path_for_read(&path, false, "DirectProject 历史")?;
+    let history_exists =
+        prepare_game_creator_private_path_for_read(&path, false, "DirectProject 历史")?;
    let lock = project_append_lock_for(&path)?;
    let _append_guard = lock.lock("DirectProject 历史追加写")?;
-    if let Some(item_id) = item.get("id").and_then(Value::as_str) {
-        if let Some(existing) = find_direct_project_history_item_by_id_at(&path, item_id)? {
-            if &existing == item {
-                return Ok(());
+    if history_exists {
+        if let Some(item_id) = item.get("id").and_then(Value::as_str) {
+            if let Some(existing) = find_direct_project_history_item_by_id_at(&path, item_id)? {
+                if &existing == item {
+                    return Ok(());
+                }
+                return Err(format!("DirectProject 历史 item id 冲突：{item_id}"));
            }
-            return Err(format!("DirectProject 历史 item id 冲突：{item_id}"));
        }
    }
    let line = record(item)?;