Implementazioni varie

backend/app/schemas/send.py

@@ -37,6 +37,9 @@ class SendPecRequest(BaseModel):
     reply_to_message_id: uuid.UUID | None = None
     """UUID del messaggio a cui si risponde (per threading, opzionale)."""
 
+    scheduled_at: datetime | None = None
+    """Data/ora di invio differito (Feature 5). Se None, invio immediato."""
+
     @field_validator("to_addresses")
     @classmethod
     def at_least_one_recipient(cls, v: list[EmailStr]) -> list[EmailStr]:
@@ -67,6 +70,7 @@ class SendJobResponse(BaseModel):
     max_attempts: int
     next_retry_at: datetime | None = None
     last_error: str | None = None
+    scheduled_at: datetime | None = None
     queued_at: datetime
     sent_at: datetime | None = None
     created_by: uuid.UUID | None = None