控制台改为选项卡，并支持封禁节点与下发计算任务。

Co-authored-by: Cursor <cursoragent@cursor.com>

app/schema_upgrade.py

@@ -20,6 +20,10 @@ def upgrade_schema() -> None:
         if "role" not in columns:
             statements.append("ALTER TABLE users ADD COLUMN role VARCHAR(16) DEFAULT 'user' NOT NULL")
         need_username_index = not _has_username_index(inspector)
+    if "compute_tasks" in tables:
+        task_columns = {column["name"] for column in inspector.get_columns("compute_tasks")}
+        if "result" not in task_columns:
+            statements.append("ALTER TABLE compute_tasks ADD COLUMN result JSON")
     if "compute_nodes" in tables:
         node_columns = {column["name"] for column in inspector.get_columns("compute_nodes")}
         if "node_token" not in node_columns:
@@ -53,6 +57,10 @@ def upgrade_schema() -> None:
             statements.append(
                 "ALTER TABLE compute_nodes ADD COLUMN is_whitelist BOOLEAN DEFAULT 0 NOT NULL"
             )
+        if "is_banned" not in node_columns:
+            statements.append(
+                "ALTER TABLE compute_nodes ADD COLUMN is_banned BOOLEAN DEFAULT 0 NOT NULL"
+            )
         if "client_ip" not in node_columns:
             statements.append("ALTER TABLE compute_nodes ADD COLUMN client_ip VARCHAR(64)")
             statements.append(