- 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.
- Replaced `providers.parallelFetch` with a new `providers.fetch` enum in settings and added migration cleanup for the legacy key.
- Updated `renderHtmlToText` to follow configured reader preference with ordered fallback attempts and remote-reader timeout handling before local conversion.
- Updated YouTube and fetch tests to use `providers.fetch` and cover Jina-first stall fallback behavior.
- Removed export leakage by demoting many helper and const symbols to module-local scope.
- Renamed underscore-prefixed internals and cache fields, then updated related references and `satisfies never` checks.
- Deleted obsolete logic branches and helpers, including harmony-stream interruption flow and unused benchmark runtime helpers.
- Updated Biome config and manifests by broadening lint coverage and removing an unused `@napi-rs/cli` dev dependency.
- Adjusted tests and utilities to use renamed test helpers and remove redundant private test-only helpers/locals.
- Added Parallel AI provider integration for web search with fast and research modes.
- Added Parallel extract API for URL content and YouTube video extraction with fallback support.
- Added /login parallel command and PARALLEL_API_KEY environment variable authentication.
- Added providers.parallelFetch configuration setting to control Parallel extract usage.
- Integrated Parallel provider into web search priority order between Exa and Kagi.
- Updated HTML-to-text and YouTube scrapers to prefer Parallel extract over fallback providers.
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