Add support for message history pagination, preserve scroll in rendering, and improve draft/message workflows.

src/routes/settings.js

@@ -6,6 +6,7 @@ import {asyncHandler} from "../middleware/asyncHandler.js";
 import bcrypt from "bcrypt";
 import {requireLogin} from "../middleware/auth.js";
 import {validateBody} from "../middleware/validate.js";
+import {newPasswordError} from "../services/passwordPolicy.js";
 
 const usernameValidator = (body) => {
     const username = String(body?.username || "").trim();
@@ -72,6 +73,8 @@ export function createSettingsRouter({repositories}) {
     router.put("/settings/password", validateBody(passwordValidator), asyncHandler(async (req, res) => {
         const username = req.session.user;
         const {currentPassword, newPassword} = req.validatedBody;
+        const passwordError = newPasswordError(newPassword);
+        if (passwordError) return res.status(400).json({error: passwordError, code: "PASSWORD_TOO_LONG"});
         const user = repositories.getUser(username);
         if (!user) return res.status(404).json({error: "User not found"});
         const valid = await bcrypt.compare(currentPassword, user.password);