Expand KOC LOOP MCP operations

drizzle/0008_worried_ultimatum.sql

@@ -0,0 +1,9 @@
+CREATE TABLE `mcp_export_tokens` (
+	`token_hash` text PRIMARY KEY NOT NULL,
+	`kind` text NOT NULL,
+	`payload` text NOT NULL,
+	`expires_at` text NOT NULL,
+	`created_at` text DEFAULT CURRENT_TIMESTAMP NOT NULL
+);
+--> statement-breakpoint
+CREATE INDEX `mcp_export_tokens_expires_at_idx` ON `mcp_export_tokens` (`expires_at`);