feat: 扩展 Rust gateway 全功能模块，新增 billing/crypto/wallet crate 及完整数据层

- 新增 aether-billing、aether-crypto、aether-wallet 独立 crate
- aether-data 扩展 repository 层：announcements、auth_modules、billing、
  candidate_selection、gemini_file_mappings、global_models、management_tokens、
  oauth_providers、proxy_nodes、quota、users、wallet 等模块
- aether-gateway 新增 api/auth/billing/control/middleware/scheduler/usage/
  video_tasks/hooks/maintenance/model_fetch/provider_transport 等功能模块
- 重构 executor decision 和 gateway state 为模块目录结构
- 新增 gateway router、frontdoor 路由层及对应测试
- Python 侧 API 路由重构，新增 compat/support 模块
- 前端 Logo 组件更新及 Provider 管理页面调整

crates/aether-gateway/src/control/route/internal.rs

@@ -0,0 +1,48 @@
+use super::{classified, ClassifiedRoute};
+
+pub(super) fn classify_internal_route(
+    method: &http::Method,
+    normalized_path: &str,
+) -> Option<ClassifiedRoute> {
+    if method == http::Method::POST && normalized_path.starts_with("/api/internal/gateway/") {
+        let route_kind = match normalized_path {
+            "/api/internal/gateway/resolve" => "resolve",
+            "/api/internal/gateway/auth-context" => "auth_context",
+            "/api/internal/gateway/decision-sync" => "decision_sync",
+            "/api/internal/gateway/decision-stream" => "decision_stream",
+            "/api/internal/gateway/plan-sync" => "plan_sync",
+            "/api/internal/gateway/plan-stream" => "plan_stream",
+            "/api/internal/gateway/report-sync" => "report_sync",
+            "/api/internal/gateway/report-stream" => "report_stream",
+            "/api/internal/gateway/finalize-sync" => "finalize_sync",
+            "/api/internal/gateway/execute-sync" => "execute_sync",
+            "/api/internal/gateway/execute-stream" => "execute_stream",
+            _ => "legacy_gateway",
+        };
+        Some(classified(
+            "internal_proxy",
+            "gateway_legacy",
+            route_kind,
+            "",
+            false,
+        ))
+    } else if method == http::Method::POST && normalized_path == "/api/internal/hub/heartbeat" {
+        Some(classified(
+            "internal_proxy",
+            "hub_manage",
+            "heartbeat",
+            "",
+            false,
+        ))
+    } else if method == http::Method::POST && normalized_path == "/api/internal/hub/node-status" {
+        Some(classified(
+            "internal_proxy",
+            "hub_manage",
+            "node_status",
+            "",
+            false,
+        ))
+    } else {
+        None
+    }
+}