user settings

gadget-code/frontend/src/App.tsx

@@ -9,6 +9,7 @@ import ProjectManager from './pages/ProjectManager';
 import SignIn from './pages/SignIn';
 import ChatSessionView from './pages/ChatSessionView';
 import DroneManager from './pages/DroneManager';
+import Settings from './pages/Settings';
 
 const TOKEN_KEY = 'dtp_auth_token';
 const USER_KEY = 'dtp_user';
@@ -122,6 +123,7 @@ export default function App() {
               <Route path="/projects/new" element={<ProjectManager user={user} />} />
               <Route path="/projects/:slug" element={<ProjectManager user={user} />} />
               <Route path="/drones" element={<DroneManager user={user} />} />
+              <Route path="/settings" element={user ? <Settings /> : <Navigate to="/sign-in" replace />} />
               <Route path="/projects/:projectId/chat-session/:sessionId" element={<ChatSessionView />} />
                <Route
                  path="/sign-in"

gadget-code/frontend/src/components/Header.tsx

@@ -1,5 +1,5 @@
 import { useState, useRef, useEffect } from 'react';
-import { Link } from 'react-router-dom';
+import { Link, useNavigate } from 'react-router-dom';
 import type { User } from '../lib/api';
 
 const APP_VERSION = '1.0.0';
@@ -10,6 +10,7 @@ interface HeaderProps {
 }
 
 export default function Header({ user, onSignOut }: HeaderProps) {
+  const navigate = useNavigate();
   const [menuOpen, setMenuOpen] = useState(false);
   const menuRef = useRef<HTMLDivElement>(null);
 
@@ -54,6 +55,10 @@ export default function Header({ user, onSignOut }: HeaderProps) {
             >
               <div className="py-1">
                 <button
+                  onClick={() => {
+                    setMenuOpen(false);
+                    navigate('/settings');
+                  }}
                   className="w-full px-4 py-2 text-left text-sm text-text-secondary hover:text-text-primary hover:bg-bg-elevated transition-colors"
                 >
                   Settings

gadget-code/frontend/src/lib/api.ts

@@ -161,6 +161,7 @@ export interface User {
   email: string;
   displayName: string;
   flags: string[];
+  persona?: string;
 }
 
 export interface AuthResponse {
@@ -178,6 +179,15 @@ export interface Project {
   gitUrl?: string;
 }
 
+export const userApi = {
+  updateSettings: (data: {
+    displayName?: string;
+    currentPassword?: string;
+    password?: string;
+    persona?: string;
+  }) => api.put<User>("/api/v1/user/settings", data),
+};
+
 export const projectApi = {
   getAll: () => api.get<Project[]>("/api/v1/projects"),
   get: (id: string) => api.get<Project>(`/api/v1/projects/${id}`),

gadget-code/frontend/src/pages/Settings.tsx

@@ -0,0 +1,256 @@
+import { useState } from "react";
+import { useNavigate } from "react-router-dom";
+import { userApi } from "../lib/api";
+import { useAppContext } from "../App";
+
+const PERSONA_MAX = 500;
+
+export default function Settings() {
+  const { user, setStatusMessage } = useAppContext();
+  const navigate = useNavigate();
+
+  const [displayName, setDisplayName] = useState(user?.displayName ?? "");
+  const [currentPassword, setCurrentPassword] = useState("");
+  const [newPassword, setNewPassword] = useState("");
+  const [confirmPassword, setConfirmPassword] = useState("");
+  const [persona, setPersona] = useState(user?.persona ?? "");
+  const [error, setError] = useState("");
+  const [success, setSuccess] = useState("");
+  const [saving, setSaving] = useState(false);
+
+  const personaRemaining = PERSONA_MAX - persona.length;
+
+  const handleSubmit = async (e: React.FormEvent) => {
+    e.preventDefault();
+    setError("");
+    setSuccess("");
+
+    if (displayName.length < 3 || displayName.length > 30) {
+      setError("Display Name must be between 3-30 characters.");
+      return;
+    }
+
+    const changingPassword =
+      currentPassword || newPassword || confirmPassword;
+
+    if (changingPassword) {
+      if (!currentPassword) {
+        setError("Current password is required to change your password.");
+        return;
+      }
+      if (!newPassword) {
+        setError("New password is required.");
+        return;
+      }
+      if (newPassword.length < 8) {
+        setError("New password must be at least 8 characters.");
+        return;
+      }
+      if (newPassword !== confirmPassword) {
+        setError("New passwords do not match.");
+        return;
+      }
+    }
+
+    if (persona.length > PERSONA_MAX) {
+      setError(`Persona must be ${PERSONA_MAX} characters or fewer.`);
+      return;
+    }
+
+    setSaving(true);
+    try {
+      const body: Record<string, string | undefined> = {
+        displayName,
+        persona,
+      };
+      if (changingPassword) {
+        body.currentPassword = currentPassword;
+        body.password = newPassword;
+      }
+
+      const updatedUser = await userApi.updateSettings(body);
+      setSuccess("Settings saved successfully.");
+      setStatusMessage("Settings updated.");
+
+      setCurrentPassword("");
+      setNewPassword("");
+      setConfirmPassword("");
+
+      const storedUser = localStorage.getItem("dtp_user");
+      if (storedUser) {
+        const parsed = JSON.parse(storedUser);
+        Object.assign(parsed, updatedUser);
+        localStorage.setItem("dtp_user", JSON.stringify(parsed));
+      }
+    } catch (err) {
+      setError(err instanceof Error ? err.message : "Failed to save settings.");
+    } finally {
+      setSaving(false);
+    }
+  };
+
+  return (
+    <div className="flex-1 flex bg-bg-primary overflow-hidden">
+      <div className="flex-1 overflow-y-auto p-8">
+        <div className="max-w-xl mx-auto">
+          <div className="border-2 border-border-default p-6 rounded bg-bg-secondary">
+            <div className="font-mono text-text-secondary text-sm">
+              <div className="mb-1 text-text-muted">// USER SETTINGS</div>
+              <div className="mb-6 text-text-primary">ACCOUNT CONFIGURATION</div>
+
+              <div className="mb-6 p-3 border border-border-subtle rounded bg-bg-tertiary">
+                <div className="text-text-muted text-xs">
+                  Signed in as <span className="text-text-primary">{user?.email}</span>
+                </div>
+                <div className="text-text-muted text-xs mt-1">
+                  Email address cannot be changed. Contact your administrator.
+                </div>
+              </div>
+
+              {error && (
+                <div className="mb-4 p-3 border border-red-800 rounded bg-red-950/50">
+                  <div className="text-red-400 font-mono text-sm">
+                    <span className="text-text-muted">// ERROR: </span>
+                    {error}
+                  </div>
+                </div>
+              )}
+
+              {success && (
+                <div className="mb-4 p-3 border border-green-800 rounded bg-green-950/50">
+                  <div className="text-green-400 font-mono text-sm">
+                    <span className="text-text-muted">// SUCCESS: </span>
+                    {success}
+                  </div>
+                </div>
+              )}
+
+              <form onSubmit={handleSubmit} className="space-y-6">
+                <div>
+                  <label
+                    htmlFor="displayName"
+                    className="block text-sm text-text-muted mb-1 font-mono"
+                  >
+                    display_name
+                  </label>
+                  <input
+                    id="displayName"
+                    type="text"
+                    value={displayName}
+                    onChange={(e) => setDisplayName(e.target.value)}
+                    className="w-full px-4 py-2 bg-bg-tertiary border border-border-default rounded text-text-primary font-mono focus:outline-none focus:border-border-highlight"
+                    minLength={3}
+                    maxLength={30}
+                    required
+                  />
+                </div>
+
+                <div>
+                  <div className="text-xs text-text-muted mb-3 font-mono tracking-wider">
+                    --- PASSWORD ---
+                  </div>
+                  <div className="space-y-3">
+                    <div>
+                      <label
+                        htmlFor="currentPassword"
+                        className="block text-sm text-text-muted mb-1 font-mono"
+                      >
+                        current_password
+                      </label>
+                      <input
+                        id="currentPassword"
+                        type="password"
+                        value={currentPassword}
+                        onChange={(e) => setCurrentPassword(e.target.value)}
+                        className="w-full px-4 py-2 bg-bg-tertiary border border-border-default rounded text-text-primary font-mono focus:outline-none focus:border-border-highlight"
+                        autoComplete="current-password"
+                      />
+                    </div>
+                    <div>
+                      <label
+                        htmlFor="newPassword"
+                        className="block text-sm text-text-muted mb-1 font-mono"
+                      >
+                        new_password
+                      </label>
+                      <input
+                        id="newPassword"
+                        type="password"
+                        value={newPassword}
+                        onChange={(e) => setNewPassword(e.target.value)}
+                        className="w-full px-4 py-2 bg-bg-tertiary border border-border-default rounded text-text-primary font-mono focus:outline-none focus:border-border-highlight"
+                        autoComplete="new-password"
+                      />
+                    </div>
+                    <div>
+                      <label
+                        htmlFor="confirmPassword"
+                        className="block text-sm text-text-muted mb-1 font-mono"
+                      >
+                        confirm_new_password
+                      </label>
+                      <input
+                        id="confirmPassword"
+                        type="password"
+                        value={confirmPassword}
+                        onChange={(e) => setConfirmPassword(e.target.value)}
+                        className="w-full px-4 py-2 bg-bg-tertiary border border-border-default rounded text-text-primary font-mono focus:outline-none focus:border-border-highlight"
+                        autoComplete="new-password"
+                      />
+                    </div>
+                  </div>
+                </div>
+
+                <div>
+                  <div className="text-xs text-text-muted mb-3 font-mono tracking-wider">
+                    --- PERSONA ---
+                  </div>
+                  <label
+                    htmlFor="persona"
+                    className="block text-sm text-text-muted mb-1 font-mono"
+                  >
+                    Describe yourself for your Agent
+                  </label>
+                  <textarea
+                    id="persona"
+                    value={persona}
+                    onChange={(e) => setPersona(e.target.value)}
+                    className="w-full px-4 py-2 bg-bg-tertiary border border-border-default rounded text-text-primary font-mono focus:outline-none focus:border-border-highlight resize-y min-h-[120px]"
+                    maxLength={PERSONA_MAX}
+                    placeholder="e.g. I'm a frontend engineer focused on React. I need extra help with accessibility and testing..."
+                  />
+                  <div
+                    className={`text-right text-xs mt-1 font-mono ${
+                      personaRemaining < 50
+                        ? "text-red-400"
+                        : "text-text-muted"
+                    }`}
+                  >
+                    {personaRemaining}/{PERSONA_MAX} characters remaining
+                  </div>
+                </div>
+
+                <div className="flex gap-4 pt-4">
+                  <button
+                    type="button"
+                    onClick={() => navigate(-1)}
+                    className="flex-1 px-4 py-2 text-center border border-border-highlight text-text-primary hover:bg-bg-tertiary rounded transition-colors font-mono text-sm"
+                  >
+                    CANCEL
+                  </button>
+                  <button
+                    type="submit"
+                    disabled={saving}
+                    className="flex-1 px-4 py-2 bg-brand hover:bg-red-700 text-white rounded transition-colors disabled:opacity-50 font-mono text-sm"
+                  >
+                    {saving ? "SAVING..." : "SAVE SETTINGS"}
+                  </button>
+                </div>
+              </form>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+}

gadget-code/src/controllers/api/v1/user.ts

@@ -2,9 +2,10 @@
 // Copyright (C) 2026 Robert Colbert <rob.colbert@openplatform.us>
 // All Rights Reserved
 
-import { Request, Response } from "express";
+import { NextFunction, Request, Response } from "express";
 
 import { DtpController } from "../../../lib/controller.js";
+import UserService from "../../../services/user.js";
 
 export class UserApiControllerV1 extends DtpController {
   get name(): string {
@@ -25,6 +26,7 @@ export class UserApiControllerV1 extends DtpController {
     this.router.use(this.requireUser());
 
     this.router.get("/", this.getUser.bind(this));
+    this.router.put("/settings", this.putUpdateSettings.bind(this));
   }
 
   async getUser(req: Request, res: Response): Promise<void> {
@@ -35,6 +37,25 @@ export class UserApiControllerV1 extends DtpController {
       },
     });
   }
+
+  async putUpdateSettings(
+    req: Request,
+    res: Response,
+    next: NextFunction,
+  ): Promise<void> {
+    try {
+      const updatedUser = await UserService.updateForUser(req.user!, req.body);
+      res.status(200).json({
+        success: true,
+        data: {
+          user: updatedUser,
+        },
+      });
+    } catch (error) {
+      this.log.error("failed to update user settings", { error });
+      next(error);
+    }
+  }
 }
 
 export default UserApiControllerV1;

gadget-code/src/services/user.ts

@@ -18,9 +18,10 @@ import { DtpService } from "../lib/service.js";
 import { DtpPaginationParameters } from "../lib/pagination-parameters.ts";
 
 export interface IUserUpdate {
-  email: string;
   displayName?: string;
+  currentPassword?: string;
   password?: string;
+  persona?: string;
 }
 
 export interface IUserAdminUpdate {
@@ -127,29 +128,79 @@ class UserService extends DtpService {
   }
 
   async updateForUser(user: IUser, def: IUserUpdate): Promise<IUser> {
-    const update: MongooseBaseQueryOptions = { $set: {} };
-    let needsEmailVerification = false;
+    const update: Record<string, unknown> = { $set: {} };
+    const $set = update.$set as Record<string, unknown>;
 
-    if (def.email && def.email !== user.email) {
-      update.$set.email = filterText(def.email);
-      update.$set.email_lc = update.$set.email.toLowerCase();
-      update.$set["flags.isEmailVerified"] = false;
-      needsEmailVerification = true;
-      this.log.info("updating user email address", {
+    if (def.displayName !== undefined) {
+      const displayName = filterText(def.displayName);
+      if (displayName.length < 3 || displayName.length > 30) {
+        const err = new Error(
+          "Display Name must be between 3-30 characters in length.",
+        );
+        err.statusCode = 400;
+        throw err;
+      }
+      $set.displayName = displayName;
+      this.log.info("updating user display name", {
+        user: { _id: user._id },
+        displayName,
+      });
+    }
+
+    if (def.persona !== undefined) {
+      if (def.persona.length > 500) {
+        const err = new Error(
+          "Persona must be 500 characters or fewer.",
+        );
+        err.statusCode = 400;
+        throw err;
+      }
+      $set.persona = def.persona;
+      this.log.info("updating user persona", {
         user: { _id: user._id },
-        email: update.$set.email,
       });
     }
 
     if (def.password) {
+      if (!def.currentPassword) {
+        const err = new Error(
+          "Current password is required to set a new password.",
+        );
+        err.statusCode = 400;
+        throw err;
+      }
+
+      const existingUser = await User.findOne({ _id: user._id }).select(
+        "+passwordSalt +password",
+      );
+      if (!existingUser) {
+        const error = new Error(`User ${user._id} not found`);
+        error.statusCode = 400;
+        throw error;
+      }
+
+      const maskedCurrent = await CryptoService.maskPassword(
+        existingUser.passwordSalt!,
+        def.currentPassword.trim(),
+      );
+      if (maskedCurrent !== existingUser.password) {
+        const err = new Error("Current password is incorrect.");
+        err.statusCode = 400;
+        throw err;
+      }
+
       this.log.info("updating user password", { user: { _id: user._id } });
-      update.$set.passwordSalt = uuidv4();
-      update.$set.password = await CryptoService.maskPassword(
-        update.$set.passwordSalt,
+      $set.passwordSalt = uuidv4();
+      $set.password = await CryptoService.maskPassword(
+        $set.passwordSalt as string,
         def.password.trim(),
       );
     }
 
+    if (Object.keys($set).length === 0) {
+      return user;
+    }
+
     const newUser = await User.findOneAndUpdate({ _id: user._id }, update, {
       new: true,
     });
@@ -159,10 +210,6 @@ class UserService extends DtpService {
       throw error;
     }
 
-    if (needsEmailVerification) {
-      await ContactService.sendVerificationEmail(newUser);
-    }
-
     return newUser;
   }