fix: harden model catalog projections

backend/test/catalog-repository.integration.test.ts

@@ -1,4 +1,5 @@
 import { spawnSync } from "node:child_process";
+import { randomUUID } from "node:crypto";
 import { PostgreSqlContainer } from "@testcontainers/postgresql";
 import { CamelCasePlugin, Kysely, PostgresDialect, sql } from "kysely";
 import { Pool } from "pg";
@@ -33,7 +34,30 @@ test.skipIf(!dockerAvailable)("PostgreSQL migration enforces one database per wo
     await upDescriptionGeneration(db);
     await upSensitiveSuggestionRuns(db);
     await upAiTokenUsage(db);
+    const historicalDatabaseId = randomUUID();
+    await db.insertInto("workspaceDatabases").values({
+      id: historicalDatabaseId,
+      workspaceId: "migration-history",
+      engine: "postgres",
+      databaseName: "warehouse",
+      schemaName: "public",
+    }).execute();
+    await db.insertInto("descriptionGenerationRuns").values({
+      id: randomUUID(), databaseId: historicalDatabaseId, scope: "all",
+      modelId: "openai-mini", language: "en", status: "completed", total: 1,
+      processed: 1, generated: 1,
+    }).execute();
+    await db.insertInto("sensitiveDataSuggestionRuns").values({
+      id: randomUUID(), databaseId: historicalDatabaseId, scope: "all",
+      modelId: "openai-mini", status: "completed", total: 1,
+      suggestedSensitive: 1,
+    }).execute();
     await upCanonicalModelIds(db);
+    await expect(db.insertInto("descriptionGenerationRuns").values({
+      id: randomUUID(), databaseId: historicalDatabaseId, scope: "all",
+      modelId: "openai/gpt-5-mini", language: "en", status: "completed", total: 1,
+      processed: 1, generated: 1,
+    }).execute()).resolves.toBeDefined();
     await sql`CREATE ROLE thothii_catalog_runtime`.execute(db);
     await upRuntimeSequencePrivileges(db);
     const sequencePrivilege = await sql<{ allowed: boolean }>`