feat: provider api_formats 可空继承、OpenAI 图片 edit/variation 与用量配额多项补强

- 鉴权: provider_api_keys.api_formats 改为可空，OAuth 托管 key 自动继承 provider endpoints 激活格式，相关 handler/测试同步更新
- 图片 planner: OpenAI 图片路由新增 edit/variation 操作并完善参数校验、响应合并与流式处理
- 用量: user me usage 返回区分 client_requested_stream/upstream_is_stream，前端 usage 列表筛选与展示增强
- 统计: stats_daily_model 新增 cache_creation_ephemeral_5m/1h tokens 字段与回填链路
- 配额/observability: quota repository 新增内存与 SQL 扩展，admin observability usage 字段扩充
- 其它: OAuth 导入/轮询收敛、provider 汇总与 pool admin 读写链路小修、新增 system_config 缓存与 provider template handler

Closes #318

Co-authored-by: Entropy.Xu <[email protected]>

apps/aether-gateway/src/handlers/admin/provider/summary/value.rs

@@ -1,7 +1,6 @@
 use crate::handlers::admin::shared::unix_secs_to_rfc3339;
-use crate::handlers::public::{
-    provider_key_api_formats, request_candidate_event_unix_ms, request_candidate_status_label,
-};
+use crate::handlers::public::{request_candidate_event_unix_ms, request_candidate_status_label};
+use crate::provider_key_auth::provider_key_effective_api_formats;
 use aether_data_contracts::repository::candidates::{
     RequestCandidateStatus, StoredRequestCandidate,
 };
@@ -66,7 +65,9 @@ pub(crate) fn build_admin_provider_summary_value(
         keys_by_endpoint.entry(endpoint.id.clone()).or_default();
     }
     for key in keys {
-        for api_format in provider_key_api_formats(key) {
+        for api_format in
+            provider_key_effective_api_formats(key, &provider.provider_type, endpoints)
+        {
             if let Some(endpoint_id) = format_to_endpoint_id.get(&api_format) {
                 keys_by_endpoint
                     .entry(endpoint_id.clone())
@@ -131,6 +132,26 @@ pub(crate) fn build_admin_provider_summary_value(
         .and_then(|cfg| cfg.get("architecture_id"))
         .and_then(serde_json::Value::as_str)
         .map(ToOwned::to_owned);
+    let billing_type = quota_snapshot
+        .map(|quota| quota.billing_type.clone())
+        .or_else(|| provider.billing_type.clone());
+    let monthly_quota_usd = quota_snapshot
+        .and_then(|quota| quota.monthly_quota_usd)
+        .or(provider.monthly_quota_usd);
+    let monthly_used_usd = quota_snapshot
+        .map(|quota| quota.monthly_used_usd)
+        .or(provider.monthly_used_usd);
+    let quota_reset_day = quota_snapshot
+        .and_then(|quota| quota.quota_reset_day)
+        .or(provider.quota_reset_day);
+    let quota_last_reset_at = quota_snapshot
+        .and_then(|quota| quota.quota_last_reset_at_unix_secs)
+        .or(provider.quota_last_reset_at_unix_secs)
+        .and_then(unix_secs_to_rfc3339);
+    let quota_expires_at = quota_snapshot
+        .and_then(|quota| quota.quota_expires_at_unix_secs)
+        .or(provider.quota_expires_at_unix_secs)
+        .and_then(unix_secs_to_rfc3339);
 
     json!({
         "id": provider.id.clone(),
@@ -142,16 +163,12 @@ pub(crate) fn build_admin_provider_summary_value(
         "keep_priority_on_conversion": provider.keep_priority_on_conversion,
         "enable_format_conversion": provider.enable_format_conversion,
         "is_active": provider.is_active,
-        "billing_type": quota_snapshot.map(|quota| quota.billing_type.clone()),
-        "monthly_quota_usd": quota_snapshot.and_then(|quota| quota.monthly_quota_usd),
-        "monthly_used_usd": quota_snapshot.map(|quota| quota.monthly_used_usd),
-        "quota_reset_day": quota_snapshot.and_then(|quota| quota.quota_reset_day),
-        "quota_last_reset_at": quota_snapshot
-            .and_then(|quota| quota.quota_last_reset_at_unix_secs)
-            .and_then(unix_secs_to_rfc3339),
-        "quota_expires_at": quota_snapshot
-            .and_then(|quota| quota.quota_expires_at_unix_secs)
-            .and_then(unix_secs_to_rfc3339),
+        "billing_type": billing_type,
+        "monthly_quota_usd": monthly_quota_usd,
+        "monthly_used_usd": monthly_used_usd,
+        "quota_reset_day": quota_reset_day,
+        "quota_last_reset_at": quota_last_reset_at,
+        "quota_expires_at": quota_expires_at,
         "max_retries": provider.max_retries,
         "proxy": provider.proxy.clone(),
         "stream_first_byte_timeout": provider.stream_first_byte_timeout_secs,