fix(i-d): Geister-Komponenten eliminiert — AIAssistant-Seite erstellt (Agent-Auswahl + AgentChat, STATIC_COMPONENT_MAP registriert nach C3-Pattern); 5 Ghost-Contact-Detail-Tabs aus Backend-Manifesten entfernt; Production-Build mit AIAssistant-Chunk verifiziert (AIAssistant-DVb66TSo.js); tsc exit=0; ruff clean

app/plugins/builtins/mail/plugin.py

@@ -9,7 +9,6 @@ from typing import Any
 
 from app.plugins.base import BasePlugin
 from app.plugins.manifest import (
-    FrontendDetailTab,
     FrontendMenuItem,
     FrontendPageRoute,
     FrontendSettingsPage,
@@ -150,9 +149,9 @@ class MailPlugin(BasePlugin):
         settings_pages=[
             FrontendSettingsPage(path='mail', label_key='settings.mail', label='Mail', component='@/pages/MailSettings', icon='Mail', order=50),
         ],
-        detail_tabs=[
-            FrontendDetailTab(entity_type='contact', label_key='tabs.email', label='E-Mails', component='@/components/contact/ContactMailTab', icon='Mail', order=20, permission='mail:read'),
-        ],
+        # BUG (ghost component): ContactMailTab does not exist in the
+        # frontend — tab removed until implemented (Block I-D).
+        detail_tabs=[],
         author="LeoCRM Team",
         min_app_version="1.0.0",
         hooks=["mail.before_send", "mail.after_send"],