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/calendar/plugin.py

@@ -5,7 +5,6 @@ from __future__ import annotations
 from app.plugins.base import BasePlugin
 from app.plugins.manifest import (
     FrontendDashboardWidget,
-    FrontendDetailTab,
     FrontendMenuItem,
     FrontendPageRoute,
     PluginManifest,
@@ -66,9 +65,9 @@ class CalendarPlugin(BasePlugin):
         page_routes=[
             FrontendPageRoute(path='/calendar', component='@/pages/Calendar', protected=True, permission='calendar:read'),
         ],
-        detail_tabs=[
-            FrontendDetailTab(entity_type='contact', label_key='tabs.calendar', label='Calendar', component='@/components/contact/ContactCalendarTab', icon='Calendar', order=30, permission='calendar:read'),
-        ],
+        # BUG (ghost component): ContactCalendarTab 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=["calendar.before_appointment", "calendar.after_appointment"],