Phase 0 Complete: Tasks 0.7-0.20

- 0.7: UI-Design-Richtlinien (docs/ui-design-guidelines.md, 535 lines)
- 0.8: Theme-Customization Backend (4 theme fields, migration 0023)
- 0.9: Theme-Customization Frontend (SettingsTheme.tsx, themeStore.ts, live preview)
- 0.10: RBAC-Audit (4 plugins secured, 53 routes with require_permission)
- 0.11: LiteLLM-Cleanup (llm_client.py migrated from httpx to litellm)
- 0.12: KI-Agent-Framework docs (plugin-development-guide.md, agent_capabilities field)
- 0.13: Heartbeat configurable (ProactiveSettings, migration 0024, frontend UI)
- 0.14: Unified Search Field-Level RBAC (resolve_permissions + filter_fields_by_permission)
- 0.15: Undo/History-System (EntityHistory model, service, routes, migration 0025, HistoryViewer)
- 0.16: Storage Backend (LocalStorage + S3Storage, DMS/attachments/mail updated)
- 0.17: Import/Export unified Contact fields (firstname, surname, email_1, phone_1)
- 0.18: .gitignore & Config-Cleanup (webui→frontend, python-jose removed, .env untracked)
- 0.19: Mail-Salt Security-Fix (per-account random salt, migration 0026)
- 0.20: AGPL replaced (PyMuPDF→pypdf, OnlyOffice→Collabora, LICENSE + THIRD_PARTY_LICENSES.md)

app/plugins/builtins/ai_proactive/jobs.py

@@ -322,8 +322,9 @@ async def deep_analysis(
 async def heartbeat(ctx: dict[str, Any], user_id: str, tenant_id: str) -> None:
     """Heartbeat job for the AI Proactive plugin.
 
-    Runs every 5 minutes (scheduled by the plugin on activation).
-    Posts a status message to the 'Live KI' room in the kommunikation system.
+    Interval is configurable via ProactiveSettings.heartbeat_interval_seconds.
+    Target room is configurable via ProactiveSettings.heartbeat_target_room.
+    Posts a status message to the configured room in the kommunikation system.
     """
     try:
         uid = uuid.UUID(user_id)
@@ -340,13 +341,33 @@ async def heartbeat(ctx: dict[str, Any], user_id: str, tenant_id: str) -> None:
         )
 
         async with create_db_session(tid) as db:
-            # Create or get the 'Live KI' room for this user
+            # Check if heartbeat is enabled and get configuration
+            from app.plugins.builtins.ai_proactive.models import ProactiveSettings
+            from sqlalchemy import select as sa_select
+
+            settings_result = await db.execute(
+                sa_select(ProactiveSettings)
+                .where(ProactiveSettings.tenant_id == tid)
+                .where(ProactiveSettings.user_id == uid)
+                .limit(1)
+            )
+            settings = settings_result.scalar_one_or_none()
+
+            # If no settings or heartbeat disabled, skip
+            if settings is not None and not settings.heartbeat_enabled:
+                logger.debug("heartbeat: disabled for user %s", user_id)
+                return
+
+            # Get target room name from settings or use default
+            target_room_title = settings.heartbeat_target_room if settings else "Live KI"
+
+            # Create or get the target room for this user
             room = await create_plugin_room(
                 db,
                 tid,
                 uid,
                 plugin_name="ai_proactive",
-                title="Live KI",
+                title=target_room_title,
                 participant_type="ai_proactive",
                 user_role="member",
             )