Fix project isolation: Make loadChatHistory respect active project sessions

- Modified loadChatHistory() to check for active project before fetching all sessions
- When active project exists, use project.sessions instead of fetching from API
- Added detailed console logging to debug session filtering
- This prevents ALL sessions from appearing in every project's sidebar

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

test_middleware.js

@@ -0,0 +1,43 @@
+// Test if the middleware pattern works
+const express = require('express');
+const app = express();
+
+let middlewareCalled = false;
+let sendFileCalled = false;
+
+// Test middleware
+app.use((req, res, next) => {
+  middlewareCalled = true;
+  const originalSendFile = res.sendFile.bind(res);
+  
+  res.sendFile = function(...args) {
+    sendFileCalled = true;
+    console.log('Custom sendFile called with args:', args);
+    return originalSendFile(...args);
+  };
+  
+  next();
+});
+
+// Test route
+app.get('/test', (req, res) => {
+  res.sendFile('/home/uroma/obsidian-web-interface/public/index.html');
+});
+
+// Start server
+const server = app.listen(3011, () => {
+  console.log('Test server listening on port 3011');
+  
+  // Make a test request
+  const http = require('http');
+  http.get('http://localhost:3011/test', (res) => {
+    let data = '';
+    res.on('data', chunk => data += chunk);
+    res.on('end', () => {
+      console.log('Response received, length:', data.length);
+      console.log('Middleware called:', middlewareCalled);
+      console.log('sendFile called:', sendFileCalled);
+      server.close();
+    });
+  });
+});