feat(assist): режим 'редактор файла' POST /<stand>/_api/file (terraform.tfvars)

server.js

@@ -83,6 +83,15 @@ try {
   assistShared = null;
 }
 
+// Режим «редактор файла» (terraform.tfvars): лениво грузим, не роняем статику.
+let fileHandler = null;
+try {
+  const filemode = require('./filemode.js');
+  fileHandler = filemode.handleFile;
+} catch (_) {
+  fileHandler = null;
+}
+
 const server = http.createServer((req, res) => {
   // POST /<stand>/_api/assist — ветка AI-ассистента (до проверки 405).
   if (req.method === 'POST') {
@@ -101,6 +110,21 @@ const server = http.createServer((req, res) => {
         });
       return;
     }
+
+    const fileMatch = path.match(/^\/([A-Za-z0-9._-]+)\/_api\/file$/);
+    if (fileMatch && fileHandler && assistShared) {
+      const stand = fileMatch[1];
+      fileHandler(req, res, { stand, vmDocsBaseUrl: VM_DOCS_BASE_URL, shared: assistShared })
+        .catch(() => {
+          try {
+            if (!res.headersSent) {
+              res.writeHead(500, { 'Content-Type': 'application/json; charset=utf-8' });
+              res.end(JSON.stringify({ error: 'internal_error', message: 'file mode failed' }));
+            }
+          } catch (_) { }
+        });
+      return;
+    }
   }
 
   if (req.method !== 'GET' && req.method !== 'HEAD') {