feat: 下游 API 密钥管理 (#103)

* feat: downstream API key usage + proxy log attribution

* chore(schema): regenerate generated artifacts

* test: keep migration replay + platform detection tests stable

* feat: complete downstream api key management validation

* refactor: move downstream keys into console nav

* feat: upgrade downstream keys management console

* feat: harden downstream key management flows

* test: cover downstream key policy guards

* feat: add downstream key grouping and tags

* feat: polish downstream key search and log metadata

* test: fix sqlite migration bootstrap coverage

* perf: isolate vchart bundle loading

* fix: align downstream key drawer metrics

---------

Co-authored-by: DeliciousBuding <DeliciousBuding@users.noreply.github.com>

drizzle/0010_proxy_logs_downstream_api_key.sql

@@ -0,0 +1,3 @@
+ALTER TABLE `proxy_logs` ADD `downstream_api_key_id` integer;
+--> statement-breakpoint
+CREATE INDEX IF NOT EXISTS `proxy_logs_downstream_api_key_created_at_idx` ON `proxy_logs` (`downstream_api_key_id`, `created_at`);

drizzle/0011_downstream_api_key_metadata.sql

@@ -0,0 +1,3 @@
+ALTER TABLE `downstream_api_keys` ADD `group_name` text;
+--> statement-breakpoint
+ALTER TABLE `downstream_api_keys` ADD `tags` text;

drizzle/meta/_journal.json

@@ -64,6 +64,20 @@
       "when": 1773528832339,
       "tag": "0009_model_availability_is_manual",
       "breakpoints": true
+    },
+    {
+      "idx": 9,
+      "version": "6",
+      "when": 1773553945763,
+      "tag": "0010_proxy_logs_downstream_api_key",
+      "breakpoints": true
+    },
+    {
+      "idx": 10,
+      "version": "6",
+      "when": 1773605400000,
+      "tag": "0011_downstream_api_key_metadata",
+      "breakpoints": true
     }
   ]
-}
+}