Auto, in one conversation

Person: Clean up monthly-sales.xlsx: remove duplicates and standardize dates.
Haiku: Two duplicate rows removed. Dates standardized.
Person: Why did June revenue rise?
Opus: June revenue rose 20%: $5,000 to $6,000. Orders stayed at 100; average order value increased from $50 to $60.

May: 100 orders, $5,000 revenue, $50 average order value.
June: 100 orders, $6,000 revenue, $60 average order value.

Accessible description: One uninterrupted conversation. Own messages are right-aligned dark rounded bubbles. Assistant responses are left-aligned, unboxed; The composer retains Quality and shows the last response model: Haiku after cleanup, then Opus after the insight. No manual model change occurs. Replies arrive with a gentle fade and six-pixel settle. The complete conversation holds for more than six seconds. Silent; no manual model switch occurs.