feat(compiler): run program preflight with native frontend services

- Compile production program loading across module graphs, packages, and configuration
- Preserve optional defaults and support runtime URL bases and regex split captures
- Isolate host execution services and initialize lowering tables outside module cycles

scripts/test-ts7.mjs

@@ -8,7 +8,7 @@ import { spawnSync } from "node:child_process";
 const repoRoot = resolve(dirname(fileURLToPath(import.meta.url)), "..");
 
 const ALLOWED_TYPESCRIPT5_IMPORTS = new Set([
-  "packages/compiler/src/frontend/lowering/lower-comptime.ts",
+  "packages/compiler/src/frontend/comptime-node.ts",
   "packages/compiler/src/frontend/ts7/world-check.ts",
   "packages/compiler/src/frontend/ts7/source-parser.test.ts",
   "packages/compiler/src/library/semantic-source.ts",