feat: consolidate database management work

Add catalog-owned logical relationships and runtime snapshots, extend the database-management UI and validation coverage, and document the updated operational workflow.

Keep active sensitive-generation status in a tooltip and indicator, and update the layout E2E to follow the history action in its new database-scoped location.

backend/src/catalog/migrate.ts

@@ -10,6 +10,7 @@ import * as catalogRuntimeSequencePrivilegesMigration from "./migrations/004_cat
 import * as descriptionGenerationRunsMigration from "./migrations/005_description_generation_runs.js";
 import * as sensitiveDataFlagMigration from "./migrations/006_sensitive_data_flag.js";
 import * as sensitiveDataSuggestionRunsMigration from "./migrations/007_sensitive_data_suggestion_runs.js";
+import * as catalogLogicalRelationshipsMigration from "./migrations/008_catalog_logical_relationships.js";
 
 const connectionString = process.env.THT_CATALOG_MIGRATOR_DATABASE_URL;
 const host = process.env.THT_CATALOG_DB_HOST;
@@ -42,6 +43,7 @@ const provider: MigrationProvider = {
       "005_description_generation_runs": descriptionGenerationRunsMigration,
       "006_sensitive_data_flag": sensitiveDataFlagMigration,
       "007_sensitive_data_suggestion_runs": sensitiveDataSuggestionRunsMigration,
+      "008_catalog_logical_relationships": catalogLogicalRelationshipsMigration,
     };
   },
 };