Codex worktree snapshot: settings-delete-targeted

Co-authored-by: Codex

server-rs/crates/spacetime-module/src/asset_metadata/objects.rs

@@ -128,12 +128,12 @@ pub(crate) fn upsert_asset_object(
     )
     .map_err(|error| error.to_string())?;
 
-    // 这里先保持最小可发布实现：查重语义已经冻结，后续再把实现优化回组合索引扫描。
     let current = ctx
         .db
         .asset_object()
-        .iter()
-        .find(|row| row.bucket == input.bucket && row.object_key == input.object_key);
+        .by_bucket_object_key()
+        .filter((input.bucket.as_str(), input.object_key.as_str()))
+        .next();
 
     let snapshot = match current {
         Some(existing) => {
@@ -196,8 +196,9 @@ pub(crate) fn upsert_asset_object(
 pub(crate) fn has_asset_object(ctx: &ReducerContext, asset_object_id: &str) -> bool {
     ctx.db
         .asset_object()
-        .iter()
-        .any(|row| row.asset_object_id == asset_object_id)
+        .asset_object_id()
+        .find(&asset_object_id.to_string())
+        .is_some()
 }
 
 fn list_asset_history(
@@ -224,8 +225,8 @@ fn list_asset_history(
     let mut entries = ctx
         .db
         .asset_object()
-        .iter()
-        .filter(|row| row.asset_kind == asset_kind)
+        .asset_kind()
+        .filter(&asset_kind.to_string())
         .map(|row| AssetHistoryEntrySnapshot {
             asset_object_id: row.asset_object_id,
             asset_kind: row.asset_kind,