dev_agentandClaude Opus 5.5
b2a4e66675
At 768-1199 px held upright the shell marks itself portrait (new useOrientation hook over the existing tablet breakpoint) and trims its side padding; the Plan week lays out four days over three instead of scrolling sideways, and Settings (mock 2e) stacks its two columns into one. Vitest covers every primary route at 820x1180 and 1180x820. Task: 529c743e-4464-479b-b750-7ec41a0c9772 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>