Register analytics table filter prompts in AI query E2E tests.

Ensure build-analytics-query and filter-analytics-table are covered by the system prompt smoke suite.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/e2e/tests/backend/endpoints/api/v1/ai-query.test.ts

@@ -326,6 +326,8 @@ describeWithAi("AI Query Endpoint - System Prompts", () => {
     "email-assistant-draft",
     "create-dashboard",
     "run-query",
+    "build-analytics-query",
+    "filter-analytics-table",
   ];
 
   for (const systemPrompt of systemPrompts) {