chore(agent): complete v0.2.15 release checkpoint

chore(agent): checkpoint v0.2.15 publication

chore(agent): start v0.2.15 release

iOS: add physical-device acceptance harness

Agent: checkpoint iPhone install

iOS: add device development signing and executable metadata

Merge pull request #165 from arvectum2/agent/apl-safari-regression-complete-20260924

chore(agent): complete Safari regression task

chore(agent): complete Safari regression task

Merge pull request #164 from arvectum2/agent/apl-safari-regression-20260924

chore(agent): record Safari sleep pass 2

chore(agent): record Safari sleep pass 1

chore(agent): record awake Safari pass

chore(agent): checkpoint baseline-only Safari candidate

chore(agent): record Safari sleep pass 2

Agent: checkpoint signed iOS release

chore(agent): record Safari sleep pass 1

docs: add canonical 0.3.0 UI amendment

docs: describe 0.3.0 branded UI release

docs: remove superseded UI review filename

docs: align UI cross-review with 0.3.0 build