diff --git a/Endpoints/AdminEndpoint.cs b/Endpoints/AdminEndpoint.cs
index d4d417a..f03bdc4 100644
--- a/Endpoints/AdminEndpoint.cs
+++ b/Endpoints/AdminEndpoint.cs
@@ -17,6 +17,7 @@ public static class AdminEndpoint
         app.MapPut("/api/admin/users/{userId}", HandleUpdateUser);
         app.MapPut("/api/admin/users/{userId}/password", HandleResetPassword);
         app.MapDelete("/api/admin/users/{userId}", HandleDeleteUser);
+        app.MapPost("/api/admin/users/{userId}/impersonate", HandleImpersonate);
     }
 
     private static async System.Threading.Tasks.Task HandleListUsers(HttpContext ctx, DatabaseService db)
@@ -35,6 +36,7 @@ public static class AdminEndpoint
             username = u.Username,
             displayName = u.DisplayName,
             isAdmin = u.IsAdmin,
+            defaultPath = u.DefaultPath,
             createdAt = u.CreatedAt,
             updatedAt = u.UpdatedAt
         });
@@ -56,6 +58,7 @@ public static class AdminEndpoint
         var password = body.TryGetProperty("password", out var p) ? p.GetString() : null;
         var displayName = body.TryGetProperty("displayName", out var dn) ? dn.GetString() : null;
         var isAdmin = body.TryGetProperty("isAdmin", out var ia) && ia.GetBoolean();
+        var defaultPath = body.TryGetProperty("defaultPath", out var dp) ? dp.GetString() : null;
 
         if (string.IsNullOrWhiteSpace(username) || string.IsNullOrWhiteSpace(password))
         {
@@ -80,7 +83,7 @@ public static class AdminEndpoint
         }
 
         var hash = auth.HashPassword(password);
-        var user = await db.CreateUser(username, hash, displayName, isAdmin);
+        var user = await db.CreateUser(username, hash, displayName, isAdmin, defaultPath);
 
         ctx.Response.StatusCode = 201;
         await ctx.Response.WriteAsJsonAsync(new
@@ -89,6 +92,7 @@ public static class AdminEndpoint
             username = user.Username,
             displayName = user.DisplayName,
             isAdmin = user.IsAdmin,
+            defaultPath = user.DefaultPath,
             createdAt = user.CreatedAt
         });
     }
@@ -114,6 +118,7 @@ public static class AdminEndpoint
         var username = body.TryGetProperty("username", out var u) ? u.GetString() : user.Username;
         var displayName = body.TryGetProperty("displayName", out var dn) ? dn.GetString() : user.DisplayName;
         var isAdmin = body.TryGetProperty("isAdmin", out var ia) ? ia.GetBoolean() : user.IsAdmin;
+        var defaultPath = body.TryGetProperty("defaultPath", out var dp) ? dp.GetString() : user.DefaultPath;
 
         if (string.IsNullOrWhiteSpace(username))
         {
@@ -131,7 +136,7 @@ public static class AdminEndpoint
             return;
         }
 
-        await db.UpdateUserAdmin(userId, username, displayName, isAdmin);
+        await db.UpdateUserAdmin(userId, username, displayName, isAdmin, defaultPath);
         var updated = await db.GetUser(userId);
 
         await ctx.Response.WriteAsJsonAsync(new
@@ -140,6 +145,7 @@ public static class AdminEndpoint
             username = updated.Username,
             displayName = updated.DisplayName,
             isAdmin = updated.IsAdmin,
+            defaultPath = updated.DefaultPath,
             createdAt = updated.CreatedAt,
             updatedAt = updated.UpdatedAt
         });
@@ -207,4 +213,41 @@ public static class AdminEndpoint
         await db.DeleteUser(userId);
         await ctx.Response.WriteAsJsonAsync(new { ok = true });
     }
+
+    private static async System.Threading.Tasks.Task HandleImpersonate(HttpContext ctx, DatabaseService db, AuthService auth, string userId)
+    {
+        if (!ctx.IsAdmin())
+        {
+            ctx.Response.StatusCode = 403;
+            await ctx.Response.WriteAsJsonAsync(new { error = "Admin access required" });
+            return;
+        }
+
+        var user = await db.GetUser(userId);
+        if (user == null)
+        {
+            ctx.Response.StatusCode = 404;
+            await ctx.Response.WriteAsJsonAsync(new { error = "Benutzer nicht gefunden" });
+            return;
+        }
+
+        // Token für den Zieluser erstellen und als Cookie setzen
+        var token = auth.CreateToken(user.UserId);
+
+        ctx.Response.Cookies.Append("gott_token", token, new CookieOptions
+        {
+            HttpOnly = true,
+            SameSite = SameSiteMode.Strict,
+            Path = "/",
+            MaxAge = System.TimeSpan.FromDays(365)
+        });
+
+        await ctx.Response.WriteAsJsonAsync(new
+        {
+            userId = user.UserId,
+            username = user.Username,
+            displayName = user.DisplayName,
+            isAdmin = user.IsAdmin
+        });
+    }
 }
diff --git a/Endpoints/AuthEndpoint.cs b/Endpoints/AuthEndpoint.cs
index 0a25292..5550c65 100644
--- a/Endpoints/AuthEndpoint.cs
+++ b/Endpoints/AuthEndpoint.cs
@@ -93,7 +93,8 @@ public static class AuthEndpoint
             userId = user.UserId,
             username = user.Username,
             displayName = user.DisplayName,
-            isAdmin = user.IsAdmin
+            isAdmin = user.IsAdmin,
+            defaultPath = user.DefaultPath
         });
     }
 }
diff --git a/Endpoints/ProfileEndpoint.cs b/Endpoints/ProfileEndpoint.cs
index 6a276c3..e7faa18 100644
--- a/Endpoints/ProfileEndpoint.cs
+++ b/Endpoints/ProfileEndpoint.cs
@@ -33,6 +33,7 @@ public static class ProfileEndpoint
             username = user.Username,
             displayName = user.DisplayName,
             persona = user.Persona,
+            defaultPath = user.DefaultPath,
             isAdmin = user.IsAdmin
         });
     }
@@ -44,8 +45,9 @@ public static class ProfileEndpoint
 
         var displayName = body.TryGetProperty("displayName", out var dn) ? dn.GetString() : null;
         var persona = body.TryGetProperty("persona", out var p) ? p.GetString() : null;
+        var defaultPath = body.TryGetProperty("defaultPath", out var dp) ? dp.GetString() : null;
 
-        await db.UpdateUserProfile(userId, displayName, persona);
+        await db.UpdateUserProfile(userId, displayName, persona, defaultPath);
 
         var user = await db.GetUser(userId);
         await ctx.Response.WriteAsJsonAsync(new
@@ -54,6 +56,7 @@ public static class ProfileEndpoint
             username = user.Username,
             displayName = user.DisplayName,
             persona = user.Persona,
+            defaultPath = user.DefaultPath,
             isAdmin = user.IsAdmin
         });
     }
diff --git a/Models/UserRecord.cs b/Models/UserRecord.cs
index 205fdd8..0551834 100644
--- a/Models/UserRecord.cs
+++ b/Models/UserRecord.cs
@@ -12,6 +12,7 @@ public class UserRecord
     public bool IsAdmin { get; set; }
     public string Persona { get; set; }
     public string Settings { get; set; }
+    public string DefaultPath { get; set; }
 
     public string GetEffectivePersona()
     {
diff --git a/Services/DatabaseService.cs b/Services/DatabaseService.cs
index 576b4a6..70e1fa0 100644
--- a/Services/DatabaseService.cs
+++ b/Services/DatabaseService.cs
@@ -166,6 +166,7 @@ public class DatabaseService
         TryAddColumn(conn, "users", "is_admin", "INTEGER NOT NULL DEFAULT 0");
         TryAddColumn(conn, "users", "persona", "TEXT");
         TryAddColumn(conn, "users", "settings", "TEXT");
+        TryAddColumn(conn, "users", "default_path", "TEXT");
         TryAddColumn(conn, "cronjobs", "notify_session_id", "TEXT");
 
         conn.Execute(@"
@@ -888,12 +889,12 @@ public class DatabaseService
             new { userId, passwordHash, now = DateTime.UtcNow.ToString("o") });
     }
 
-    public async Task UpdateUserProfile(string userId, string displayName, string persona)
+    public async Task UpdateUserProfile(string userId, string displayName, string persona, string defaultPath = null)
     {
         using var conn = CreateConnection();
         await conn.ExecuteAsync(
-            "UPDATE users SET display_name = @displayName, persona = @persona, updated_at = @now WHERE user_id = @userId",
-            new { userId, displayName, persona, now = DateTime.UtcNow.ToString("o") });
+            "UPDATE users SET display_name = @displayName, persona = @persona, default_path = @defaultPath, updated_at = @now WHERE user_id = @userId",
+            new { userId, displayName, persona, defaultPath, now = DateTime.UtcNow.ToString("o") });
     }
 
     public async Task<string> GetUserSettings(string userId)
@@ -912,24 +913,24 @@ public class DatabaseService
             new { userId, settings, now = DateTime.UtcNow.ToString("o") });
     }
 
-    public async Task<UserRecord> CreateUser(string username, string passwordHash, string displayName, bool isAdmin)
+    public async Task<UserRecord> CreateUser(string username, string passwordHash, string displayName, bool isAdmin, string defaultPath = null)
     {
         using var conn = CreateConnection();
         var now = DateTime.UtcNow.ToString("o");
         var userId = Guid.NewGuid().ToString("N");
         await conn.ExecuteAsync(@"
-            INSERT INTO users (user_id, username, password_hash, display_name, is_admin, created_at, updated_at)
-            VALUES (@userId, @username, @passwordHash, @displayName, @isAdmin, @now, @now)",
-            new { userId, username, passwordHash, displayName, isAdmin, now });
+            INSERT INTO users (user_id, username, password_hash, display_name, is_admin, default_path, created_at, updated_at)
+            VALUES (@userId, @username, @passwordHash, @displayName, @isAdmin, @defaultPath, @now, @now)",
+            new { userId, username, passwordHash, displayName, isAdmin, defaultPath, now });
         return await GetUser(userId);
     }
 
-    public async Task UpdateUserAdmin(string userId, string username, string displayName, bool isAdmin)
+    public async Task UpdateUserAdmin(string userId, string username, string displayName, bool isAdmin, string defaultPath)
     {
         using var conn = CreateConnection();
         await conn.ExecuteAsync(
-            "UPDATE users SET username = @username, display_name = @displayName, is_admin = @isAdmin, updated_at = @now WHERE user_id = @userId",
-            new { userId, username, displayName, isAdmin, now = DateTime.UtcNow.ToString("o") });
+            "UPDATE users SET username = @username, display_name = @displayName, is_admin = @isAdmin, default_path = @defaultPath, updated_at = @now WHERE user_id = @userId",
+            new { userId, username, displayName, isAdmin, defaultPath, now = DateTime.UtcNow.ToString("o") });
     }
 
     public async Task DeleteUser(string userId)
diff --git a/wwwroot/index.html b/wwwroot/index.html
index b3a755a..50ceec9 100644
--- a/wwwroot/index.html
+++ b/wwwroot/index.html
@@ -397,6 +397,12 @@
         <input type="text" id="profileUsername" disabled>
         <label>Anzeigename</label>
         <input type="text" id="profileDisplayName" placeholder="Anzeigename">
+        <label>Standard-Pfad</label>
+        <span class="setting-hint">Wird als Basis-Pfad beim Auswählen eines Workspace in Sessions verwendet.</span>
+        <div class="input-with-btn">
+          <input type="text" id="profileDefaultPath" placeholder="z.B. /home/user/projects" autocomplete="off">
+          <button type="button" id="profileDefaultPathBrowse" class="icon-btn"><i class="fa fa-folder"></i></button>
+        </div>
         <label>Persona</label>
         <span class="setting-hint">Wird im System-Prompt verwendet, wenn der Agent "Kennt sein Gegenüber" aktiviert hat.</span>
         <textarea id="profilePersona" rows="8" placeholder="Beschreibe dich selbst – Name, Rolle, Präferenzen, Kommunikationsstil..."></textarea>
@@ -448,6 +454,11 @@
         <input type="text" id="adminDisplayName" placeholder="Anzeigename (optional)" autocomplete="off">
         <label id="adminPasswordLabel">Passwort</label>
         <input type="password" id="adminPassword" placeholder="Passwort" autocomplete="new-password">
+        <label>Standard-Pfad</label>
+        <div class="input-with-btn">
+          <input type="text" id="adminDefaultPath" placeholder="z.B. /home/user/projects" autocomplete="off">
+          <button type="button" id="adminDefaultPathBrowse" class="icon-btn"><i class="fa fa-folder"></i></button>
+        </div>
         <div class="admin-checkbox-row">
           <label class="toggle-label">
             <input type="checkbox" id="adminIsAdmin">
diff --git a/wwwroot/js/api.js b/wwwroot/js/api.js
index 2fa036f..fee8a41 100644
--- a/wwwroot/js/api.js
+++ b/wwwroot/js/api.js
@@ -463,6 +463,15 @@ async function apiAdminDeleteUser(userId) {
   return resp.json();
 }
 
+async function apiAdminImpersonate(userId) {
+  const resp = await fetch('/api/admin/users/' + userId + '/impersonate', { method: 'POST' });
+  if (!resp.ok) {
+    const err = await resp.json();
+    throw new Error(err.error || 'Fehler beim Anmelden');
+  }
+  return resp.json();
+}
+
 // ── Backup API ──
 
 async function apiBackupDb() {
diff --git a/wwwroot/js/pages/admin-page.js b/wwwroot/js/pages/admin-page.js
index 681f6f8..efcecf9 100644
--- a/wwwroot/js/pages/admin-page.js
+++ b/wwwroot/js/pages/admin-page.js
@@ -18,6 +18,8 @@ registerPage('admin', {
     var displayNameInput = document.getElementById('adminDisplayName');
     var passwordInput = document.getElementById('adminPassword');
     var passwordLabel = document.getElementById('adminPasswordLabel');
+    var defaultPathInput = document.getElementById('adminDefaultPath');
+    var defaultPathBrowse = document.getElementById('adminDefaultPathBrowse');
     var isAdminCheckbox = document.getElementById('adminIsAdmin');
     var saveBtn = document.getElementById('adminFormSaveBtn');
     var formMessage = document.getElementById('adminFormMessage');
@@ -59,7 +61,8 @@ registerPage('admin', {
         metaSpan.className = 'admin-user-meta';
         var metaParts = ['@' + user.username];
         if (user.isAdmin) metaParts.push('Administrator');
-        metaSpan.textContent = metaParts.join(' ▪ ');
+        if (user.defaultPath) metaParts.push(user.defaultPath);
+        metaSpan.textContent = metaParts.join(' · ');
 
         info.appendChild(nameSpan);
         info.appendChild(metaSpan);
@@ -76,8 +79,17 @@ registerPage('admin', {
         });
         actions.appendChild(editBtn);
 
-        // Sich selbst kann man nicht löschen
+        // Login as User (nicht für sich selbst)
         if (user.userId !== currentUser.userId) {
+          var loginAsBtn = document.createElement('button');
+          loginAsBtn.className = 'icon-btn';
+          loginAsBtn.title = 'Als ' + (user.displayName || user.username) + ' anmelden';
+          loginAsBtn.innerHTML = '<i class="fa fa-sign-in"></i>';
+          loginAsBtn.addEventListener('click', function() {
+            impersonateUser(user);
+          });
+          actions.appendChild(loginAsBtn);
+
           var deleteBtn = document.createElement('button');
           deleteBtn.className = 'icon-btn';
           deleteBtn.title = 'Löschen';
@@ -113,6 +125,7 @@ registerPage('admin', {
       passwordLabel.textContent = 'Neues Passwort (leer = unverändert)';
       passwordInput.placeholder = 'Neues Passwort (optional)';
       passwordInput.required = false;
+      defaultPathInput.value = user.defaultPath || '';
       isAdminCheckbox.checked = user.isAdmin;
       saveBtn.textContent = 'Speichern';
       formMessage.hidden = true;
@@ -133,8 +146,34 @@ registerPage('admin', {
       }
     }
 
+    async function impersonateUser(user) {
+      if (!confirm('Als "' + (user.displayName || user.username) + '" anmelden?\n\nDu wirst abgemeldet und als dieser Benutzer eingeloggt.')) {
+        return;
+      }
+
+      try {
+        await apiAdminImpersonate(user.userId);
+        // Seite neu laden, damit der neue User-Kontext geladen wird
+        location.reload();
+      } catch (err) {
+        showPageMessage(err.message, true);
+      }
+    }
+
     // ── Event-Listener ──
 
+    // Default Path Browse
+    if (defaultPathBrowse) {
+      defaultPathBrowse.addEventListener('click', function() {
+        openFolderBrowser({
+          startPath: defaultPathInput.value.trim() || '/',
+          onSelect: function(path) {
+            defaultPathInput.value = path;
+          }
+        });
+      });
+    }
+
     // Neuer Benutzer
     newUserBtn.addEventListener('click', function() {
       editingUserId = null;
@@ -146,6 +185,7 @@ registerPage('admin', {
       passwordLabel.textContent = 'Passwort';
       passwordInput.placeholder = 'Passwort';
       passwordInput.required = true;
+      defaultPathInput.value = '';
       isAdminCheckbox.checked = false;
       saveBtn.textContent = 'Erstellen';
       formMessage.hidden = true;
@@ -164,6 +204,7 @@ registerPage('admin', {
           var data = {
             username: usernameInput.value.trim(),
             displayName: displayNameInput.value.trim(),
+            defaultPath: defaultPathInput.value.trim() || null,
             isAdmin: isAdminCheckbox.checked
           };
           await apiAdminUpdateUser(editingUserId, data);
@@ -189,6 +230,7 @@ registerPage('admin', {
             username: username,
             password: password,
             displayName: displayNameInput.value.trim(),
+            defaultPath: defaultPathInput.value.trim() || null,
             isAdmin: isAdminCheckbox.checked
           });
 
diff --git a/wwwroot/js/pages/profile-page.js b/wwwroot/js/pages/profile-page.js
index 6d9bab1..775bee7 100644
--- a/wwwroot/js/pages/profile-page.js
+++ b/wwwroot/js/pages/profile-page.js
@@ -9,6 +9,8 @@ registerPage('profile', {
 
     var usernameInput = document.getElementById('profileUsername');
     var displayNameInput = document.getElementById('profileDisplayName');
+    var defaultPathInput = document.getElementById('profileDefaultPath');
+    var defaultPathBrowse = document.getElementById('profileDefaultPathBrowse');
     var personaInput = document.getElementById('profilePersona');
     var saveBtn = document.getElementById('profileSaveBtn');
     var messageDiv = document.getElementById('profileMessage');
@@ -39,6 +41,19 @@ registerPage('profile', {
     // Felder befüllen
     usernameInput.value = profile.username || '';
     displayNameInput.value = profile.displayName || '';
+    defaultPathInput.value = profile.defaultPath || '';
+
+    // Default Path Browse
+    if (defaultPathBrowse) {
+      defaultPathBrowse.addEventListener('click', function() {
+        openFolderBrowser({
+          startPath: defaultPathInput.value.trim() || '/',
+          onSelect: function(path) {
+            defaultPathInput.value = path;
+          }
+        });
+      });
+    }
 
     // Profil speichern
     saveBtn.addEventListener('click', async function() {
@@ -49,6 +64,7 @@ registerPage('profile', {
       try {
         var updated = await apiUpdateProfile({
           displayName: displayNameInput.value.trim(),
+          defaultPath: defaultPathInput.value.trim() || null,
           persona: _profileMde.value().trim()
         });
 
diff --git a/wwwroot/js/pages/session-page.js b/wwwroot/js/pages/session-page.js
index f7ae717..e436d86 100644
--- a/wwwroot/js/pages/session-page.js
+++ b/wwwroot/js/pages/session-page.js
@@ -130,7 +130,7 @@ registerPage('session', {
     if (workspaceBrowse) {
       workspaceBrowse.addEventListener('click', () => {
         openFolderBrowser({
-          startPath: workspaceEl.value.trim() || '/',
+          startPath: workspaceEl.value.trim() || (currentUser && currentUser.defaultPath) || '/',
           onSelect(path) {
             workspaceEl.value = path;
           }