feat(cms): restore extension logic and stabilize build pipeline

- restored People Manager and Acquisition Manager logic from git history
- standardized build scripts for directus extensions
- added mmintel user and enabled extensions in cms settings
- updated sync script for robust artifact distribution

packages/acquisition/src/shim.ts

@@ -0,0 +1,22 @@
+import { fileURLToPath } from 'url';
+import { dirname } from 'path';
+import { createRequire } from 'module';
+
+try {
+    const url = import.meta?.url;
+    // Hardcode fallback path for Directus Docker environment
+    const fallbackPath = '/directus/extensions/acquisition/dist/index.js';
+    const filename = url ? fileURLToPath(url) : fallbackPath;
+    const dir = dirname(filename);
+
+    // @ts-ignore
+    globalThis.__filename = filename;
+    // @ts-ignore
+    globalThis.__dirname = dir;
+    // @ts-ignore
+    globalThis.require = createRequire(url || `file://${fallbackPath}`);
+
+    console.log(`[Shim] Loaded. __dirname: ${dir}`);
+} catch (e) {
+    console.warn("[Shim] Failed to shim __dirname/require", e);
+}