chore(main): release 2.4.0

[pmaxhogan]

🤖 I have created a release beep boop

2.4.0 (2026-07-26)

Features

• cli: add dump-client-creds to print an account's stored BYO OAuth client (#166) (4b6070b)
• core: parallel scan with negation-aware directory pruning (#169) (3792e47)
• core: remote-existence audit heals files whose Drive objects vanished (#171) (5cb8e3a)
• core: run the scan walk at the configured io_priority (#173) (8f39961)
• core: shape bundle-build file reads with the io_priority setting (#179) (af8f048)
• core: shape upload I/O with the io_priority setting (#176) (badd9c9)
• core: wire the ioPriority setting to real OS thread priorities (#170) (51bb1f3)
• persist rolling backend logs and capture frontend console into diagnostics (#167) (292e221)
• real-world benchmark suite comparing driven with rclone (#178) (85f6d6a)
• ui: instant exclusion-preview re-evaluation from an in-memory tree (#177) (8f49570)
• ui: sticky shell chrome, indeterminate scan progress and navigation cleanup (#163) (4896336)
• ui: transient in-app toast notifications (#164) (0104a8e)
• ui: warn when include patterns defeat directory pruning (#162) (6d3b4b2)

Bug Fixes

• core: self-heal a stale drive_file_id when an update hits a definitive 404 (#168) (8b983b3)

Performance Improvements

• core: per-directory decision cursor for the exclusion preview + NFC fast path (#172) (a587fed)

---

This PR was generated with Release Please. See documentation.

[github-actions]

Coverage

Area	main	this PR	delta
Rust (lib crates)	80.94%	80.94%	+0.00 (OK)
UI (vue/ts)	91.40%	91.40%	+0.00 (OK)

Gate: passed - no coverage regression (epsilon 0.1 pp).

[pmaxhogan]

🤖 Created releases:

• v2.4.0

🌻