feat: redesign Feishu project console

hub/prisma/migrations/20260713175000_agent_role_tenant_immutable/migration.sql

@@ -0,0 +1,30 @@
+-- Organization-owned role configuration cannot be re-parented. Besides being
+-- a tenant boundary, immutability ensures the deferred default-role invariant
+-- checks the same Organization before and after an update.
+CREATE OR REPLACE FUNCTION cph_enforce_agent_role_default() RETURNS trigger
+LANGUAGE plpgsql AS $$
+DECLARE
+  target_organization_id TEXT := COALESCE(NEW."organizationId", OLD."organizationId");
+  active_default_count INTEGER;
+BEGIN
+  IF TG_OP = 'UPDATE' AND NEW."organizationId" <> OLD."organizationId" THEN
+    RAISE EXCEPTION 'OrganizationAgentRole.organizationId is immutable';
+  END IF;
+
+  IF NOT EXISTS (SELECT 1 FROM "Organization" WHERE "id" = target_organization_id) THEN
+    RETURN NULL;
+  END IF;
+
+  SELECT count(*) INTO active_default_count
+  FROM "OrganizationAgentRole"
+  WHERE "organizationId" = target_organization_id
+    AND "isDefault" = true
+    AND "disabledAt" IS NULL;
+
+  IF active_default_count <> 1 THEN
+    RAISE EXCEPTION 'Organization % must have exactly one active default Agent role; found %',
+      target_organization_id, active_default_count;
+  END IF;
+  RETURN NULL;
+END;
+$$;