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buzz/crates
Michael Neale 0ea48f44ea test(buzz-agent): prove turn-to-turn memory across separate prompts
Mic asked whether the tests really cover multi-turn recall. They did
not, and I had claimed the gap could only be closed by hand testing.
That was wrong on both counts.

Every existing integration test sends a single session/prompt. All of
them would still pass if history were dropped between prompts and each
turn started from nothing -- which is exactly the risk this branch
introduces, since conversation history now lives in TurnState rather
than goose's sqlite store.

memory.rs sends two prompts on one session and asserts on what the
PROVIDER receives in the second request: turn 1's user message and turn
1's assistant reply must both be present. Asserting on the second answer
instead would pass against a model that ignored history entirely.

Verified against the real regression: deleting the line that carries
the conversation forward (s.history = conversation) in session_prompt fails the test with 'history is not carried across
prompts'. Nothing else in the suite notices that deletion.

Also fixed a flaw in my own first draft: the fake provider varied its
reply depending on whether the request mentioned the secret word. Turn
1's own user message mentions it, so both turns got the same reply and
the assistant-reply assertion proved nothing. It now returns a fixed
distinctive string.

79 unit + 22 integration green.

Signed-off-by: Michael Neale <michael.neale@gmail.com>
Co-authored-by: Michael Neale <michael.neale@gmail.com>
2026-08-12 16:22:10 +10:00
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