feat(service): expand service layer with new domain operations

- Add IM service modules: audit, channel roles, custom emojis, forum
  tags, integrations, invitations, repo links, slash commands, stages,
  voice, webhooks
- Add PR service modules: review requests, templates
- Add repo service modules: contributors, release assets, git extras
  (archive, branch rename, commit extras, diff/merge, tag, tree)
- Add user service: social (follow/block)
- Add internal auth service
- Update existing service modules with expanded functionality
- Remove deleted IM modules: articles, delivery trace, drafts,
  follows, messages, polls, presence, reactions, threads

service/notify/templates.rs

@@ -9,7 +9,7 @@ use uuid::Uuid;
 
 use super::util::clamp_limit_offset;
 
-#[derive(Debug, Deserialize, Serialize)]
+#[derive(Debug, Deserialize, Serialize, utoipa::ToSchema)]
 pub struct CreateTemplateParams {
     pub key: String,
     pub notification_type: NotificationType,
@@ -22,7 +22,7 @@ pub struct CreateTemplateParams {
     pub enabled: bool,
 }
 
-#[derive(Debug, Deserialize, Serialize)]
+#[derive(Debug, Deserialize, Serialize, utoipa::ToSchema)]
 pub struct UpdateTemplateParams {
     pub subject_template: Option<String>,
     pub title_template: Option<String>,
@@ -115,11 +115,13 @@ impl NotificationService {
         let id = Uuid::now_v7();
         let now = chrono::Utc::now();
 
-        sqlx::query(
+        sqlx::query_as::<_, NotificationTemplate>(
             "INSERT INTO notification_template \
              (id, key, notification_type, channel, locale, subject_template, title_template, \
              body_template, action_text_template, enabled, created_by, created_at, updated_at) \
-             VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $12)",
+             VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $12) \
+             RETURNING id, key, notification_type, channel, locale, subject_template, title_template, \
+             body_template, action_text_template, enabled, created_by, created_at, updated_at",
         )
         .bind(id)
         .bind(&params.key)
@@ -133,15 +135,9 @@ impl NotificationService {
         .bind(params.enabled)
         .bind(user_id)
         .bind(now)
-        .execute(self.ctx.db.writer())
+        .fetch_one(self.ctx.db.writer())
         .await
-        .map_err(AppError::Database)?;
-
-        NotificationTemplate::find_by_id(self.ctx.db.reader(), id)
-            .await?
-            .ok_or(AppError::InternalServerError(
-                "failed to fetch created template".into(),
-            ))
+        .map_err(AppError::Database)
     }
 
     pub async fn update_template(