v0.51.561

What's Changed

• fix(bootstrap): discover agent installed as root (FHS layout) or behind the bash launcher by @nesquena-hermes in #4623
• test(#4622): guard restored tool-card full output + expand + diff render by @nesquena-hermes in #4625
• Release v0.51.561 — context-window indicator stays correct after model switch (#4618) by @nesquena-hermes in #4628

Full Changelog: v0.51.560...v0.51.561