25 tests across auth (A1-A5), posting (P1-P5), validation (V1-V4),
tracker (T1-T5), and nav (N1-N5). Uses storageState for single login
per run. Replaces post-with-photo.spec.js with post.spec.js.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>