codex

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rhan-oai c725e472e5 Add usage accounting for host-owned agent runtimes (#58975 )

## Why

Host-owned runtimes skip controller rollout-budget accounting. Give hosts an optional callback to account for inference spending and signal budget exhaustion.

## What changed

- Add `AgentUsageAccounting`, `AgentUsageReport`, and `UsageAccountingDecision`, captured at startup and supported by host child spawn reservations.
- Await per-response usage reports with thread and turn attribution, including provider budget units and foreground and background compaction usage.
- Map host exhaustion to `SessionBudgetExceeded` and accounting failures to fatal errors without retrying inference. Preserve the original error for incomplete responses.
- Keep controller accounting unchanged and leave accounting disabled for host-owned runtimes without a provider.

## Testing

Add coverage for usage attribution, child accounting, budget exhaustion, nonretryable accounting failures, incomplete responses, and compaction reporting, including background usage charged once to its originating turn.

GitOrigin-RevId: 887703f50fe882497e4e8cb33259072935ec82e0

2026-11-02 20:37:55 +00:00

common

Add a thread-store builder with host cleanup support (#58954 )

2026-11-02 19:25:02 +00:00

remote_env_windows

Bind capability roots to environment selections (#51493 )

2026-10-06 22:39:32 +00:00

suite

Add usage accounting for host-owned agent runtimes (#58975 )

2026-11-02 20:37:55 +00:00

all.rs

[codex] Use expect in integration tests (#28441 )