Add document types filtering and rename ISMS to GOVERNANCE

Adds 5 new document types (PLAN, REGISTER, RECORD, REPORT, TEMPLATE), renames ISMS to GOVERNANCE, and implements type-based filtering across GraphQL, MCP, and frontend. Includes migration, enum updates, filter implementation with SQL array support, and frontend dropdown UI with Relay refetch pattern.

Signed-off-by: Bryan Frimin <bryan@getprobo.com>

apps/trust/src/helpers/documents.ts

@@ -2,8 +2,20 @@ export function documentTypeLabel(type: string, __: (s: string) => string) {
   switch (type) {
     case "POLICY":
       return __("Policy");
-    case "ISMS":
-      return __("Security");
+    case "GOVERNANCE":
+      return __("Governance");
+    case "PROCEDURE":
+      return __("Procedure");
+    case "PLAN":
+      return __("Plan");
+    case "REGISTER":
+      return __("Register");
+    case "RECORD":
+      return __("Record");
+    case "REPORT":
+      return __("Report");
+    case "TEMPLATE":
+      return __("Template");
     default:
       return __("Other");
   }