fix(test): add back the tenant-scoped DELETE that wipes mcp_adapters (coreci-chat#12)

apps/control-plane/tests/mcp-routes.test.ts

@@ -141,6 +141,9 @@ beforeEach(async () => {
   // with it (coreci-chat#12). The wipe is a tenant-scoped DELETE inside
   // withTenant: the app role holds the DELETE privilege and the RLS policy
   // scopes the rows to the session's tenant.
+  await withTenant(admin!.tenantId, async (c: ScopedClient) => {
+    await c.query("DELETE FROM mcp_adapters");
+  });
   // Reset the stream manager between tests so contexts don't leak.
   const { streamManager } = await getMcpRuntime();
   streamManager.reset();