fabro/lib/crates/fabro-agent/tests/it/main.rs
Bryan Helmkamp 81554581ca
fix(agent): preserve tool-call pairs during compaction (#447)
## Summary
Fixes OpenAI Responses requests after context compaction by ensuring
preserved tool results are not separated from the assistant tool calls
that produced them. The previous fixed-size preserved tail could retain
a `function_call_output` while dropping the matching `function_call`,
which OpenAI rejects as an orphaned tool result.

## Changes
- Extends `History::compact` so the preserved range moves backward until
every kept tool result has its matching assistant tool call.
- Adds a unit invariant test for compacted histories that serialize tool
results.
- Adds an OpenAI twin integration regression that forces compaction
during a tool-use loop.
- Teaches the OpenAI twin to validate orphaned `function_call_output`
items and script response usage counts for deterministic compaction
tests.

## Test Plan
- `cargo +nightly-2026-04-14 fmt --check --all`
- `git diff --check`
- `FABRO_TEST_MODE=twin cargo nextest run -p fabro-agent --test it
openai_twin_compaction_preserves_tool_call_pairs --run-ignored all`
- `cargo nextest run -p fabro-agent`
- `cargo nextest run -p twin-openai`
- `cargo nextest run -p fabro-test`
- `cargo +nightly-2026-04-14 clippy -p fabro-agent -p fabro-test -p
twin-openai --all-targets --no-deps -- -D warnings`

---

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2026-05-28 10:37:30 -04:00

3 lines
51 B
Rust

mod compaction;
mod guardrails;
mod parity_matrix;