v4.6.4

What's Changed

• feat(gerrit): Multi-branch indexing support for Gerrit by @brendan-kellam in #433
• fix(structured_logs): Remove prefix by @msukkari in #443
• chore(ask_sb): Bump AI SDK libs by @brendan-kellam in #444
• chore(docs): Remove dead links to terms / privacy. Also change some MIT -> FSL references. by @brendan-kellam in #445
• feat(ask_sb): Add reasoningEffort option to openai provider by @brendan-kellam in #446
• fix(ask_sb): Fix long generation times on first message in thread by @brendan-kellam in #447
• fix(ask_sb): Allow unauthed generation of titles for a chat by @brendan-kellam in #450
• feat(ask_sb): Add headers param to config to allow users to specify custom headers by @brendan-kellam in #449
• Update issue templates by @brendan-kellam in #451

Full Changelog: v4.6.3...v4.6.4