feat(routing): consolidate scheduling strategy configuration

apps/aether-gateway/src/state/core.rs

@@ -79,12 +79,7 @@ const SYSTEM_CONFIG_CACHE_TTL: Duration = Duration::from_secs(30);
 // five minutes of total age. Direct database edits that bypass AppState
 // invalidation can therefore take at most this bounded interval to appear.
 const SYSTEM_CONFIG_CACHE_MAX_STALENESS: Duration = Duration::from_secs(5 * 60);
-const SCHEDULER_AFFECTING_SYSTEM_CONFIG_KEYS: &[&str] = &[
-    "enable_format_conversion",
-    "keep_priority_on_conversion",
-    "provider_priority_mode",
-    "scheduling_mode",
-];
+const SCHEDULER_AFFECTING_SYSTEM_CONFIG_KEYS: &[&str] = &["enable_format_conversion"];
 const AUTH_AFFECTING_SYSTEM_CONFIG_KEYS: &[&str] = &[
     crate::constants::DEFAULT_USER_GROUP_CONFIG_KEY,
     crate::constants::ANTIGRAVITY_BEARER_BRIDGE_CONFIG_KEY,
@@ -4350,12 +4345,13 @@ mod tests {
     }
 
     #[tokio::test]
-    async fn system_config_entry_write_refreshes_cache_and_scheduler_affinity_for_routing_keys() {
+    async fn system_config_entry_write_refreshes_cache_and_scheduler_affinity_for_format_conversion(
+    ) {
         let state = AppState::new()
             .expect("app state should build")
             .with_data_state_for_tests(
                 GatewayDataState::disabled().with_system_config_values_for_tests([(
-                    "keep_priority_on_conversion".to_string(),
+                    "enable_format_conversion".to_string(),
                     json!(false),
                 )]),
             );
@@ -4364,7 +4360,7 @@ mod tests {
 
         assert_eq!(
             state
-                .read_system_config_json_value("keep_priority_on_conversion")
+                .read_system_config_json_value("enable_format_conversion")
                 .await
                 .expect("system config read should succeed"),
             Some(json!(false))
@@ -4385,13 +4381,13 @@ mod tests {
 
         let initial_epoch = state.scheduler_affinity_epoch();
         state
-            .upsert_system_config_entry("keep_priority_on_conversion", &json!(true), None)
+            .upsert_system_config_entry("enable_format_conversion", &json!(true), None)
             .await
             .expect("admin config write should succeed");
 
         assert_eq!(
             state
-                .read_system_config_json_value("keep_priority_on_conversion")
+                .read_system_config_json_value("enable_format_conversion")
                 .await
                 .expect("system config read should use refreshed cache"),
             Some(json!(true))

apps/aether-gateway/src/state/integrations.rs

@@ -680,10 +680,4 @@ impl SchedulerRuntimeState for AppState {
             expected_epoch,
         )
     }
-
-    async fn read_scheduler_ordering_config(
-        &self,
-    ) -> Result<crate::scheduler::config::SchedulerOrderingConfig, GatewayError> {
-        crate::scheduler::config::read_scheduler_ordering_config(self).await
-    }
 }

apps/aether-gateway/src/state/routing_profiles.rs

@@ -15,10 +15,9 @@ const BOOTSTRAP_SYSTEM_DEFAULT_ROUTING_GROUP_NAME: &str = "system-default";
 impl AppState {
     /// Make sure an enabled system-default routing group exists.
     ///
-    /// When none exists, one is created from the legacy scheduler system-config
-    /// keys so that removing those keys later does not change behaviour. Returns
-    /// the created group, or `None` when nothing had to be created (no routing
-    /// storage, no writer, or a system default already exists).
+    /// When none exists, one is created from the routing defaults.
+    /// Returns the created group, or `None` when nothing had to be created (no
+    /// routing storage, no writer, or a system default already exists).
     pub async fn ensure_system_default_routing_group(
         &self,
     ) -> Result<Option<StoredRoutingGroup>, std::io::Error> {
@@ -44,16 +43,12 @@ impl AppState {
             warn!(
                 event_name = "routing_system_default_bootstrap_skipped",
                 log_type = "event",
-                "no system default routing group exists and routing storage is read-only; scheduler falls back to legacy system config"
+                "no system default routing group exists and routing storage is read-only; scheduler uses routing defaults"
             );
             return Ok(None);
         }
 
-        let legacy = crate::scheduler::config::read_legacy_scheduler_ordering_config(self).await?;
-        let config = RoutingGroupConfig {
-            default_policy: legacy.to_routing_default_policy(),
-            ..RoutingGroupConfig::default()
-        };
+        let config = RoutingGroupConfig::default();
         let config_json = serde_json::to_value(config)
             .map_err(|err| GatewayError::Internal(format!("serialize routing config: {err}")))?;
 
@@ -75,9 +70,10 @@ impl AppState {
         self.create_routing_group(CreateRoutingGroupRecord {
             id: uuid::Uuid::new_v4().to_string(),
             name,
-            description: Some("自动从旧版调度配置迁移生成的系统默认策略".to_string()),
+            description: Some("系统默认调度策略".to_string()),
             enabled: true,
             is_system_default: true,
+            sort_order: 0,
             config_json,
             version: 1,
             created_at: now,