pub async fn insert_response_blob<C: Serialize>(
pool: &Pool,
tier: Tier,
response_id: &str,
chunk: &C,
created_at: i64,
) -> Result<(), Error>Expand description
INSERT the response tier blob (first tick only). Response blobs
don’t emit messages — they’re the latest snapshot, not events.
Tier-symmetric: every tier’s response table now has the same
(response_id, body, created_at, inserted_at) shape.