feat(routing): consolidate scheduling strategy configuration

crates/aether-data/adapters/sqlite/migrations/20260903000000_add_routing_group_sort_order.sql

@@ -0,0 +1,4 @@
+ALTER TABLE routing_groups ADD COLUMN sort_order INTEGER NOT NULL DEFAULT 0;
+
+CREATE INDEX IF NOT EXISTS routing_groups_enabled_sort_idx
+    ON routing_groups (enabled, sort_order, name, id);

crates/aether-data/adapters/sqlite/src/routing_profiles.rs

@@ -15,6 +15,7 @@ SELECT
   description,
   enabled,
   is_system_default,
+  sort_order,
   config_json,
   version,
   created_at,
@@ -61,10 +62,12 @@ impl SqliteRoutingGroupRepository {
 #[async_trait]
 impl RoutingGroupReadRepository for SqliteRoutingGroupRepository {
     async fn list_routing_groups(&self) -> Result<Vec<StoredRoutingGroup>, DataLayerError> {
-        let rows = sqlx::query(&format!("{ROUTING_GROUP_SELECT} ORDER BY name ASC, id ASC"))
-            .fetch_all(&self.pool)
-            .await
-            .map_sql_err()?;
+        let rows = sqlx::query(&format!(
+            "{ROUTING_GROUP_SELECT} ORDER BY enabled DESC, sort_order ASC, name ASC, id ASC"
+        ))
+        .fetch_all(&self.pool)
+        .await
+        .map_sql_err()?;
         rows.iter().map(map_group_row).collect()
     }
 
@@ -168,10 +171,10 @@ impl RoutingGroupWriteRepository for SqliteRoutingGroupRepository {
         sqlx::query(
             r#"
 INSERT INTO routing_groups (
-  id, name, description, enabled, is_system_default, config_json,
+  id, name, description, enabled, is_system_default, sort_order, config_json,
   version, created_at, updated_at, published_at
 )
-VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
 "#,
         )
         .bind(&group.id)
@@ -179,6 +182,7 @@ VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
         .bind(&group.description)
         .bind(group.enabled)
         .bind(group.is_system_default)
+        .bind(group.sort_order)
         .bind(json_to_string(
             &group.config_json,
             "routing_groups.config_json",
@@ -229,6 +233,7 @@ SET name = ?,
     description = ?,
     enabled = ?,
     is_system_default = ?,
+    sort_order = ?,
     config_json = ?,
     version = ?,
     updated_at = ?,
@@ -240,6 +245,7 @@ WHERE id = ?
         .bind(&group.description)
         .bind(group.enabled)
         .bind(group.is_system_default)
+        .bind(group.sort_order)
         .bind(json_to_string(
             &group.config_json,
             "routing_groups.config_json",
@@ -438,6 +444,7 @@ fn map_group_row(row: &SqliteRow) -> Result<StoredRoutingGroup, DataLayerError>
         description: row.try_get("description").map_sql_err()?,
         enabled: row.try_get("enabled").map_sql_err()?,
         is_system_default: row.try_get("is_system_default").map_sql_err()?,
+        sort_order: row.try_get("sort_order").map_sql_err()?,
         config_json: json_from_string(
             row.try_get("config_json").map_sql_err()?,
             "routing_groups.config_json",
@@ -514,6 +521,7 @@ mod tests {
                 description: Some("initial".to_string()),
                 enabled: true,
                 is_system_default: true,
+                sort_order: 0,
                 config_json: json!({"allowed_models": ["gpt-*"]}),
                 version: 1,
                 created_at: 10,
@@ -790,6 +798,7 @@ SET is_default = 1,
             description: None,
             enabled: true,
             is_system_default,
+            sort_order: 0,
             config_json: json!({}),
             version: 1,
             created_at: 1,