补齐创作生成订阅消息通知

订阅消息任务名称改为玩法模板名。

拼图、敲木鱼、抓大鹅、跳一跳、方洞、视觉小说在草稿生成成功或失败终态发送通知。

订阅消息泥点字段按本次生成结算后的实际扣除展示，失败退款后显示0。

更新微信订阅消息运维和支付方案文档口径。

server-rs/crates/api-server/src/visual_novel.rs

@@ -35,6 +35,10 @@ use crate::{
     prompt::visual_novel as vn_prompt,
     request_context::RequestContext,
     state::AppState,
+    wechat_subscribe_message::{
+        GenerationResultSubscribeMessage, GenerationResultSubscribeMessageStatus,
+        send_generation_result_subscribe_message_after_completion,
+    },
     work_author::resolve_work_author_by_user_id,
     work_play_tracking::{WorkPlayTrackingDraft, record_work_play_start_after_success},
 };
@@ -1743,8 +1747,15 @@ async fn compile_visual_novel_session_inner(
         current_utc_iso().as_str(),
     );
     let projection = project_draft_for_work(&draft, &profile_id)?;
+    let notification_work_name = projection.work_title.clone();
+    let generation_points_cost = crate::creation_entry_config::resolve_creation_entry_mud_point_cost(
+        state,
+        VISUAL_NOVEL_RUNTIME_KIND,
+        u64::from(shared_contracts::creation_entry_config::DEFAULT_UNIFIED_CREATION_MUD_POINT_COST),
+    )
+    .await;
     let author = resolve_work_author_by_user_id(state, &owner_user_id, None, None);
-    let compiled_session = state
+    let compile_result = state
         .spacetime_client()
         .compile_visual_novel_work_profile(VisualNovelWorkCompileRecordInput {
             session_id: session_id.clone(),
@@ -1761,7 +1772,43 @@ async fn compile_visual_novel_session_inner(
         .await
         .map_err(|error| {
             visual_novel_error_response(request_context, map_spacetime_error(error))
-        })?;
+        });
+    let compiled_session = match compile_result {
+        Ok(session) => {
+            send_generation_result_subscribe_message_after_completion(
+                state,
+                GenerationResultSubscribeMessage {
+                    owner_user_id: owner_user_id.clone(),
+                    task_name: Some("视觉小说".to_string()),
+                    work_name: Some(notification_work_name.clone()),
+                    status: GenerationResultSubscribeMessageStatus::Succeeded,
+                    consumed_points: generation_points_cost,
+                    completed_at_micros: current_utc_micros(),
+                    page: Some("/pages/web-view/index".to_string()),
+                },
+            )
+            .await;
+            session
+        }
+        Err(response) => {
+            if response.status().is_server_error() {
+                send_generation_result_subscribe_message_after_completion(
+                    state,
+                    GenerationResultSubscribeMessage {
+                        owner_user_id,
+                        task_name: Some("视觉小说".to_string()),
+                        work_name: Some(notification_work_name),
+                        status: GenerationResultSubscribeMessageStatus::Failed,
+                        consumed_points: 0,
+                        completed_at_micros: current_utc_micros(),
+                        page: Some("/pages/web-view/index".to_string()),
+                    },
+                )
+                .await;
+            }
+            return Err(response);
+        }
+    };
     let work = state
         .spacetime_client()
         .get_visual_novel_work_detail(profile_id, owner_user_id)