pc translate sentences

sentence_api/translation_jobs.py

@@ -144,6 +144,11 @@ class SubtitleTranslationService:
         payload["terms"] = terms
         return AdminSubtitleTranslationResponse(**payload)
 
+    def ensure_from_local(self, document: SentenceBoundaryDocument) -> SubtitleTranslationResponse:
+        """Accept locally generated English subtitles, then translate like a course."""
+        self.repository.import_local_subtitle_document(document)
+        return self.ensure(document.video_hash)
+
     def ensure(self, video_hash: str) -> SubtitleTranslationResponse:
         if not getattr(self.ai_tutor, "available", False):
             raise AITutorError("AI translation is not configured.")