Expand KOC LOOP MCP operations

lib/mvp-db.ts

@@ -165,6 +165,13 @@ export async function ensureSchema(database?: D1Database) {
       expires_at TEXT NOT NULL,
       created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP
     )`,
+    `CREATE TABLE IF NOT EXISTS mcp_export_tokens (
+      token_hash TEXT PRIMARY KEY,
+      kind TEXT NOT NULL,
+      payload TEXT NOT NULL,
+      expires_at TEXT NOT NULL,
+      created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP
+    )`,
   ];
 
   for (const statement of statements) {
@@ -340,6 +347,11 @@ export async function ensureSchema(database?: D1Database) {
       "CREATE INDEX IF NOT EXISTS auth_sessions_expires_at_idx ON auth_sessions(expires_at)",
     )
     .run();
+  await db
+    .prepare(
+      "CREATE INDEX IF NOT EXISTS mcp_export_tokens_expires_at_idx ON mcp_export_tokens(expires_at)",
+    )
+    .run();
   await db
     .prepare(
       `UPDATE distributions