feat: implement dotenv secrets loading from /home/admin/secrets/.env

- Added dotenv package to load environment variables from absolute path
- Secrets now loaded automatically on app startup, no manual sourcing needed
- Secrets file secured with chmod 600, outside project directory
- Enables persistent secrets across service restarts
- Tested: Job submission flow working end-to-end with all steps completing

extracted-graph-logic/package.json

@@ -0,0 +1,20 @@
+{
+  "name": "job-folder-graph-integration",
+  "version": "1.0.0",
+  "description": "Microsoft Graph integration for job folder creation and management",
+  "main": "post-record-integration.js",
+  "scripts": {
+    "test": "node example-usage.js"
+  },
+  "dependencies": {
+    "node-fetch": "^2.7.0"
+  },
+  "keywords": [
+    "microsoft-graph",
+    "onedrive",
+    "sharepoint",
+    "folder-management"
+  ],
+  "author": "Cardoza Construction",
+  "license": "MIT"
+}