feat: 完善敲木鱼玩法模板链路

server-rs/crates/spacetime-module/src/migration.rs

@@ -1271,6 +1271,10 @@ fn normalize_migration_row(table_name: &str, value: &serde_json::Value) -> serde
             object
                 .entry("background_asset_json".to_string())
                 .or_insert(serde_json::Value::Null);
+            // 中文注释：敲木鱼返回按钮图晚于首版作品表加入，旧迁移包按未生成返回按钮兼容。
+            object
+                .entry("back_button_asset_json".to_string())
+                .or_insert(serde_json::Value::Null);
         }
     }
     next_value

server-rs/crates/spacetime-module/src/wooden_fish.rs

@@ -82,6 +82,7 @@ pub struct WoodenFishGalleryViewRow {
     pub hit_sound_prompt: Option<String>,
     pub hit_object_asset: Option<WoodenFishImageAssetSnapshot>,
     pub background_asset: Option<WoodenFishImageAssetSnapshot>,
+    pub back_button_asset: Option<WoodenFishImageAssetSnapshot>,
     pub hit_sound_asset: Option<WoodenFishAudioAssetSnapshot>,
     pub floating_words: Vec<String>,
     pub cover_image_src: String,
@@ -333,6 +334,11 @@ fn compile_wooden_fish_draft_tx(
         .as_deref()
         .map(parse_json)
         .transpose()?;
+    let back_button_asset = input
+        .back_button_asset_json
+        .as_deref()
+        .map(parse_json)
+        .transpose()?;
     let cover_image_src = input
         .cover_image_src
         .as_deref()
@@ -361,6 +367,7 @@ fn compile_wooden_fish_draft_tx(
         floating_words: floating_words.clone(),
         hit_object_asset: hit_object_asset.clone(),
         background_asset: background_asset.clone(),
+        back_button_asset: back_button_asset.clone(),
         hit_sound_asset: hit_sound_asset.clone(),
         cover_image_src: cover_image_src.clone(),
         generation_status: input
@@ -400,6 +407,7 @@ fn compile_wooden_fish_draft_tx(
         updated_at: compiled_at,
         published_at: None,
         background_asset_json: background_asset.as_ref().map(to_json_string),
+        back_button_asset_json: back_button_asset.as_ref().map(to_json_string),
     };
     upsert_work(ctx, row);
     let config = config_from_draft(&draft);
@@ -485,6 +493,14 @@ fn update_wooden_fish_work_tx(
         let asset = parse_json::<WoodenFishImageAssetSnapshot>(&value)?;
         next.background_asset_json = Some(to_json_string(&asset));
     }
+    if let Some(value) = input
+        .back_button_asset_json
+        .as_deref()
+        .and_then(clean_optional)
+    {
+        let asset = parse_json::<WoodenFishImageAssetSnapshot>(&value)?;
+        next.back_button_asset_json = Some(to_json_string(&asset));
+    }
     if let Some(value) = input
         .floating_words_json
         .as_deref()
@@ -512,7 +528,7 @@ fn publish_wooden_fish_work_tx(
 ) -> Result<WoodenFishWorkSnapshot, String> {
     let row = find_owned_work(ctx, &input.profile_id, &input.owner_user_id)?;
     if !is_publish_ready(&row) {
-        return Err("发布需要完整的敲击物图案、敲击音效和飘字配置".to_string());
+        return Err("发布需要完整的敲击物图案、背景、返回按钮、敲击音效和飘字配置".to_string());
     }
     let published_at = Timestamp::from_micros_since_unix_epoch(input.published_at_micros);
     replace_work(
@@ -691,6 +707,7 @@ fn build_gallery_view_row(
         hit_sound_prompt: work.hit_sound_prompt,
         hit_object_asset: work.hit_object_asset,
         background_asset: work.background_asset,
+        back_button_asset: work.back_button_asset,
         hit_sound_asset: work.hit_sound_asset,
         floating_words: work.floating_words,
         cover_image_src: work.cover_image_src,
@@ -744,6 +761,12 @@ fn build_work_snapshot(row: &WoodenFishWorkProfileRow) -> Result<WoodenFishWorkS
             .and_then(clean_optional)
             .map(|value| parse_json(&value))
             .transpose()?,
+        back_button_asset: row
+            .back_button_asset_json
+            .as_deref()
+            .and_then(clean_optional)
+            .map(|value| parse_json(&value))
+            .transpose()?,
         hit_sound_asset: clean_optional(&row.hit_sound_asset_json)
             .map(|value| parse_json(&value))
             .transpose()?,
@@ -993,6 +1016,11 @@ fn is_publish_ready(row: &WoodenFishWorkProfileRow) -> bool {
             .as_deref()
             .and_then(clean_optional)
             .is_some()
+        && row
+            .back_button_asset_json
+            .as_deref()
+            .and_then(clean_optional)
+            .is_some()
         && !row.hit_sound_asset_json.trim().is_empty()
         && !row.floating_words_json.trim().is_empty()
         && row.generation_status == WOODEN_FISH_GENERATION_READY
@@ -1031,6 +1059,7 @@ fn draft_from_config(
         floating_words: normalize_floating_words(&config.floating_words),
         hit_object_asset: None,
         background_asset: None,
+        back_button_asset: None,
         hit_sound_asset: None,
         cover_image_src: None,
         generation_status: generation_status.to_string(),
@@ -1051,6 +1080,7 @@ fn draft_from_work_snapshot(work: &WoodenFishWorkSnapshot) -> WoodenFishDraftSna
         floating_words: work.floating_words.clone(),
         hit_object_asset: work.hit_object_asset.clone(),
         background_asset: work.background_asset.clone(),
+        back_button_asset: work.back_button_asset.clone(),
         hit_sound_asset: work.hit_sound_asset.clone(),
         cover_image_src: clean_optional(&work.cover_image_src),
         generation_status: work.generation_status.clone(),
@@ -1231,6 +1261,7 @@ fn clone_work(row: &WoodenFishWorkProfileRow) -> WoodenFishWorkProfileRow {
         hit_object_asset_json: row.hit_object_asset_json.clone(),
         background_asset_json: row.background_asset_json.clone(),
         hit_sound_asset_json: row.hit_sound_asset_json.clone(),
+        back_button_asset_json: row.back_button_asset_json.clone(),
         floating_words_json: row.floating_words_json.clone(),
         cover_image_src: row.cover_image_src.clone(),
         generation_status: row.generation_status.clone(),

server-rs/crates/spacetime-module/src/wooden_fish/tables.rs

@@ -47,6 +47,8 @@ pub struct WoodenFishWorkProfileRow {
     pub(crate) published_at: Option<Timestamp>,
     #[default(None::<String>)]
     pub(crate) background_asset_json: Option<String>,
+    #[default(None::<String>)]
+    pub(crate) back_button_asset_json: Option<String>,
 }
 
 #[spacetimedb::table(

server-rs/crates/spacetime-module/src/wooden_fish/types.rs

@@ -47,6 +47,7 @@ pub struct WoodenFishDraftCompileInput {
     pub hit_object_asset_json: Option<String>,
     pub background_asset_json: Option<String>,
     pub hit_sound_asset_json: Option<String>,
+    pub back_button_asset_json: Option<String>,
     pub floating_words_json: Option<String>,
     pub cover_image_src: Option<String>,
     pub generation_status: Option<String>,
@@ -66,6 +67,7 @@ pub struct WoodenFishWorkUpdateInput {
     pub hit_object_asset_json: Option<String>,
     pub background_asset_json: Option<String>,
     pub hit_sound_asset_json: Option<String>,
+    pub back_button_asset_json: Option<String>,
     pub floating_words_json: Option<String>,
     pub cover_image_src: Option<String>,
     pub generation_status: Option<String>,
@@ -210,6 +212,7 @@ pub struct WoodenFishDraftSnapshot {
     pub floating_words: Vec<String>,
     pub hit_object_asset: Option<WoodenFishImageAssetSnapshot>,
     pub background_asset: Option<WoodenFishImageAssetSnapshot>,
+    pub back_button_asset: Option<WoodenFishImageAssetSnapshot>,
     pub hit_sound_asset: Option<WoodenFishAudioAssetSnapshot>,
     pub cover_image_src: Option<String>,
     pub generation_status: String,
@@ -246,6 +249,7 @@ pub struct WoodenFishWorkSnapshot {
     pub hit_sound_prompt: Option<String>,
     pub hit_object_asset: Option<WoodenFishImageAssetSnapshot>,
     pub background_asset: Option<WoodenFishImageAssetSnapshot>,
+    pub back_button_asset: Option<WoodenFishImageAssetSnapshot>,
     pub hit_sound_asset: Option<WoodenFishAudioAssetSnapshot>,
     pub floating_words: Vec<String>,
     pub cover_image_src: String,