Five new integration tests against the in-process Axum router +
in-memory SQLite, covering the full HTTP transport + database layer
that the web replay viewer depends on:
- `replay_upload_then_fetch_round_trips_payload` — register → POST →
GET → assert the fetched JSON matches the upload byte-for-byte.
Canonical "the web viewer can play back what the desktop client
uploaded" coverage.
- `replay_fetch_unknown_id_returns_404` — exercises the
`AppError::NotFound` mapping (not a 500).
- `replay_recent_lists_newest_first_with_username` — two uploads,
asserts received_at DESC ordering and that the username join
populates the `username` field.
- `replay_upload_without_auth_returns_401` — guards against the
upload endpoint accidentally accepting anonymous inserts.
- `replay_upload_malformed_body_returns_400` — header projector
rejects payloads missing required fields with 400, not 500.
Schema-correctness (round-trip, version gate, atomic write) is still
covered by `solitaire_data::replay`'s unit tests; this file is
strictly for the HTTP transport.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
funman300
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