fix(mod_compiler): replace runtime require calls with top-level imports and use execSync/path.join for filesystem sync and traversal

ts/mod_compiler/classes.tscompiler.ts

@@ -1,6 +1,8 @@
 import type { CompilerOptions, Diagnostic, Program } from 'typescript';
 import typescript from 'typescript';
 import * as fs from 'fs';
+import * as path from 'path';
+import { execSync } from 'child_process';
 import * as smartdelay from '@push.rocks/smartdelay';
 import * as smartpromise from '@push.rocks/smartpromise';
 import * as smartpath from '@push.rocks/smartpath';
@@ -371,7 +373,7 @@ export class TsCompiler {
         // Force XFS to commit all pending directory entries before unpacking.
         // TypeScript's writeFileSync creates entries that may reside in XFS's
         // delayed log. Without sync, readdir can return partial results.
-        require('child_process').execSync('sync');
+        execSync('sync');
         this.syncDirectoryTree(destDir);
 
         try {
@@ -515,7 +517,7 @@ export class TsCompiler {
       const entries = fs.readdirSync(dirPath, { withFileTypes: true });
       for (const entry of entries) {
         if (entry.isDirectory()) {
-          this.syncDirectoryTree(require('path').join(dirPath, entry.name));
+          this.syncDirectoryTree(path.join(dirPath, entry.name));
         }
       }
     } catch {