fix: 收紧拼图发布资产门槛

server-rs/crates/api-server/src/puzzle/draft.rs

@@ -307,13 +307,18 @@ pub(crate) fn build_puzzle_session_snapshot_from_action_payload(
         levels,
         form_draft: None,
     };
+    let stage = if is_puzzle_session_snapshot_publish_ready(&draft) {
+        "ready_to_publish"
+    } else {
+        "image_refining"
+    };
 
     Ok(PuzzleAgentSessionRecord {
         session_id: session_id.to_string(),
         seed_text: String::new(),
         current_turn: 0,
         progress_percent: 94,
-        stage: "ready_to_publish".to_string(),
+        stage: stage.to_string(),
         anchor_pack,
         draft: Some(draft),
         messages: Vec::new(),
@@ -1788,7 +1793,11 @@ pub(crate) fn apply_generated_puzzle_candidates_to_session_snapshot(
         sync_puzzle_primary_draft_fields_from_level(draft);
     }
     session.progress_percent = session.progress_percent.max(94);
-    session.stage = "ready_to_publish".to_string();
+    session.stage = if is_puzzle_session_snapshot_publish_ready(draft) {
+        "ready_to_publish".to_string()
+    } else {
+        "image_refining".to_string()
+    };
     session.last_assistant_reply = Some("拼图图片已经生成，并已替换当前正式图。".to_string());
     session.updated_at = format_timestamp_micros(updated_at_micros);
     session