Добавлен frontend workspace engine

frontend/workspace.js

@@ -0,0 +1,70 @@
+async function workspaceApi(url, payload = {}) {
+    const response = await fetch(url, {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/json'
+        },
+        body: JSON.stringify(payload)
+    });
+
+    return await response.json();
+}
+
+async function loadWorkspaceTree() {
+    const workspace = document.getElementById('workspacePath').value;
+
+    const data = await workspaceApi('/api/files/tree', {
+        path: workspace
+    });
+
+    renderTree(data.tree || []);
+}
+
+function renderTree(tree, level = 0) {
+    const container = document.getElementById('fileTree');
+
+    if (level === 0) {
+        container.innerHTML = '';
+    }
+
+    tree.forEach(node => {
+        const item = document.createElement('div');
+
+        item.className = 'tree-node';
+        item.style.paddingLeft = `${level * 16}px`;
+
+        if (node.type === 'directory') {
+            item.innerHTML = `📁 ${node.name}`;
+            container.appendChild(item);
+
+            renderTree(node.children || [], level + 1);
+        } else {
+            item.innerHTML = `📄 ${node.name}`;
+            item.onclick = () => openFile(node.path);
+            container.appendChild(item);
+        }
+    });
+}
+
+async function openFile(path) {
+    const data = await workspaceApi('/api/files/read', {
+        path
+    });
+
+    document.getElementById('editorPath').innerText = path;
+    document.getElementById('editor').value = data.content || '';
+}
+
+async function saveCurrentFile() {
+    const path = document.getElementById('editorPath').innerText;
+    const content = document.getElementById('editor').value;
+
+    const data = await workspaceApi('/api/files/save', {
+        path,
+        content
+    });
+
+    document.getElementById('editorStatus').innerText = data.success
+        ? 'Файл сохранен'
+        : 'Ошибка сохранения';
+}