Semantic Search Triggers (#18969)

* semantic trigger test

* database and model

* config

* embeddings maintainer and trigger post-processor

* api to create, edit, delete triggers

* frontend and i18n keys

* use thumbnail and description for trigger types

* image picker tweaks

* initial sync

* thumbnail file management

* clean up logs and use saved thumbnail on frontend

* publish mqtt messages

* webpush changes to enable trigger notifications

* add enabled switch

* add triggers from explore

* renaming and deletion fixes

* fix typing

* UI updates and add last triggering event time and link

* log exception instead of return in endpoint

* highlight entry in UI when triggered

* save and delete thumbnails directly

* remove alert action for now and add descriptions

* tweaks

* clean up

* fix types

* docs

* docs tweaks

* docs

* reuse enum

frigate/app.py

@@ -39,6 +39,7 @@ from frigate.const import (
     MODEL_CACHE_DIR,
     RECORD_DIR,
     THUMB_DIR,
+    TRIGGER_DIR,
 )
 from frigate.data_processing.types import DataProcessorMetrics
 from frigate.db.sqlitevecq import SqliteVecQueueDatabase
@@ -56,6 +57,7 @@ from frigate.models import (
     Regions,
     ReviewSegment,
     Timeline,
+    Trigger,
     User,
 )
 from frigate.object_detection.base import ObjectDetectProcess
@@ -123,6 +125,9 @@ class FrigateApp:
         if self.config.face_recognition.enabled:
             dirs.append(FACE_DIR)
 
+        if self.config.semantic_search.enabled:
+            dirs.append(TRIGGER_DIR)
+
         for d in dirs:
             if not os.path.exists(d) and not os.path.islink(d):
                 logger.info(f"Creating directory: {d}")
@@ -288,6 +293,7 @@ class FrigateApp:
             ReviewSegment,
             Timeline,
             User,
+            Trigger,
         ]
         self.db.bind(models)