- Added optional FetchImpl fields to compaction, proxy, AI, coding-agent, and mnemopi options.
- Threaded injected fetch implementations through OAuth, discovery, and search/LLM request flows.
- Removed exported hookFetch utility and its package entrypoint from utils.
- Replaced global-fetch test monkeypatching with per-test FetchImpl mocks across test suites.
- Updated `buildOpenAiNativeHistory` to maintain known and custom tool-call ID sets incrementally while appending provider payload history.
- Rebuilt call-ID state when a full-snapshot payload replaced history so stale outputs were no longer emitted after reset.
- Added compaction regression tests for codex provider payload call-ID registration and stale-result dropping.
- Scope.
- Summary.
- Type.
- Relocated compaction, branch-summarization, pruning, and utils from coding-agent to packages/agent/src/compaction.
- Moved OpenAI remote compaction helpers from packages/ai to the new compaction module.
- Added handoff.ts with extractHandoffDocument, createHandoffContext, and renderHandoffPrompt helpers.
- Exposed new entries.ts with standalone SessionEntry types so coding-agent no longer owns them.
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