T3 Code Nightly 0.0.28-nightly.20260610.525 (1916ac6d5503)

What's Changed

• Misc chrome polish: header badges, plan sidebar, diff panel, empty state by @juliusmarminge in #3027
• Rework message metadata, timestamps, and tool work log rows by @juliusmarminge in #3022

Full Changelog: v0.0.28-nightly.20260610.520...v0.0.28-nightly.20260610.525