fix(oracle): restore alias completion and DIP visibility

apps/desktop/src/lib/sql/oracleCompletionSession.ts

@@ -0,0 +1,5 @@
+import type { DatabaseType } from "@/types/database";
+
+export function usesOracleSessionCompletionColumns(options: { databaseType?: DatabaseType; selectedSchema?: string; referenceSchema?: string | null; clientSessionId?: string }): boolean {
+  return options.databaseType === "oracle" && !options.selectedSchema && !options.referenceSchema && !!options.clientSessionId;
+}