Profil-Seite: Anzeigename, Passwort ändern, Persona (ersetzt USER.md)

- Neuer Menüpunkt 'Mein Profil' statt 'Logout'
- Profil-Page: Anzeigename, Persona (Freitext), Passwort ändern, Logout
- ProfileEndpoint: GET/PUT /api/profile, PUT /api/profile/password
- User-Persona im System-Prompt statt USER.md (Fallback: Anzeigename/Username)
- SystemPromptBuilder: dataDir-Parameter entfernt, userPersona-Parameter hinzugefügt
- DB-Migration: persona-Spalte in users-Tabelle

wwwroot/index.html

@@ -50,7 +50,7 @@
       <h1 class="dashboard-title">// gott</h1>
       <div class="dashboard-links">
         <a id="dashboardSettingsLink" class="dashboard-link">Einstellungen</a>
-        <a id="dashboardLogoutLink" class="dashboard-link">Logout</a>
+        <a id="dashboardProfileLink" class="dashboard-link">Mein Profil</a>
       </div>
     </header>
     <div class="page-content">
@@ -288,6 +288,44 @@
   </div>
 </template>
 
+<template id="tpl-profile">
+  <div class="page form-page">
+    <header>
+      <button class="back-btn icon-btn" data-page="dashboard"><i class="fa fa-arrow-left"></i></button>
+      <h1>Mein Profil</h1>
+    </header>
+    <div class="page-content">
+      <div class="form">
+        <label>Benutzername</label>
+        <input type="text" id="profileUsername" disabled>
+        <label>Anzeigename</label>
+        <input type="text" id="profileDisplayName" placeholder="Anzeigename">
+        <label>Persona</label>
+        <span class="setting-hint">Wird im System-Prompt verwendet, wenn der Agent "Kennt sein Gegenüber" aktiviert hat. Ersetzt USER.md.</span>
+        <textarea id="profilePersona" rows="8" placeholder="Beschreibe dich selbst – Name, Rolle, Präferenzen, Kommunikationsstil..."></textarea>
+        <div class="form-actions">
+          <button id="profileSaveBtn">Speichern</button>
+        </div>
+        <div class="profile-message" id="profileMessage" hidden></div>
+        <hr class="profile-divider">
+        <h2>Passwort ändern</h2>
+        <label>Aktuelles Passwort</label>
+        <input type="password" id="profileCurrentPassword" placeholder="Aktuelles Passwort" autocomplete="current-password">
+        <label>Neues Passwort</label>
+        <input type="password" id="profileNewPassword" placeholder="Neues Passwort" autocomplete="new-password">
+        <label>Neues Passwort bestätigen</label>
+        <input type="password" id="profileConfirmPassword" placeholder="Passwort wiederholen" autocomplete="new-password">
+        <div class="form-actions">
+          <button id="profilePasswordBtn">Passwort ändern</button>
+        </div>
+        <div class="profile-message" id="profilePasswordMessage" hidden></div>
+        <hr class="profile-divider">
+        <button id="profileLogoutBtn" class="danger-btn">Abmelden</button>
+      </div>
+    </div>
+  </div>
+</template>
+
 <script src="js/lib/marked.min.js"></script>
 <script src="js/lib/codemirror.min.js"></script>
 <script src="js/lib/cm-mode-xml.min.js"></script>
@@ -315,6 +353,7 @@
 <script src="js/pages/chat-page.js"></script>
 <script src="js/pages/login-page.js"></script>
 <script src="js/pages/settings-page.js"></script>
+<script src="js/pages/profile-page.js"></script>
 <script src="js/app.js"></script>
 </body>
 </html>