Added ability to use a tag to insert the current datetime in prompts (#3697)

* Added ability to use a tag to insert the current datetime in prompts

* made tagging logic more robust

* rename

* k

---------

Co-authored-by: Yuhong Sun <yuhongsun96@gmail.com>

backend/onyx/server/features/persona/api.py

@@ -192,8 +192,7 @@ def create_persona(
         name=build_prompt_name_from_persona_name(persona_upsert_request.name),
         system_prompt=persona_upsert_request.system_prompt,
         task_prompt=persona_upsert_request.task_prompt,
-        # TODO: The PersonaUpsertRequest should provide the value for datetime_aware
-        datetime_aware=False,
+        datetime_aware=persona_upsert_request.datetime_aware,
         include_citations=persona_upsert_request.include_citations,
         prompt_id=prompt_id,
     )
@@ -237,8 +236,7 @@ def update_persona(
         db_session=db_session,
         user=user,
         name=build_prompt_name_from_persona_name(persona_upsert_request.name),
-        # TODO: The PersonaUpsertRequest should provide the value for datetime_aware
-        datetime_aware=False,
+        datetime_aware=persona_upsert_request.datetime_aware,
         system_prompt=persona_upsert_request.system_prompt,
         task_prompt=persona_upsert_request.task_prompt,
         include_citations=persona_upsert_request.include_citations,

backend/onyx/server/features/persona/models.py

@@ -60,6 +60,7 @@ class PersonaUpsertRequest(BaseModel):
     description: str
     system_prompt: str
     task_prompt: str
+    datetime_aware: bool
     document_set_ids: list[int]
     num_chunks: float
     include_citations: bool