domain-skills: add Locally retailer inventory administration

[harrisboatworks]

Adds a field-tested Locally retailer inventory domain skill covering authenticated navigation, Auto-Sync URL setup, first-import verification, credential boundaries, and accessibility-tree timing quirks.\n\nNo account identifiers, feed URLs, tokens, or inventory data are included.

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Summary by cubic

Adds a field-tested domain skill for managing Locally retailer inventory, covering authenticated navigation, feed verification, Auto-Sync URL setup, and credential safety. Improves reliability of first-import checks and reduces risk around credential handling.

• New Features
  • New doc: domain-skills/locally/retailer-inventory.md with dashboard/inventory routes and labels.
  • Step-by-step verification order using Upload History and In-Stock Reports.
  • Guidance for Auto-Sync URL workflow and post-registration checks.
  • Clear credential boundaries; avoid generating/rotating without explicit authorization.
  • Browser/accessibility timing notes to prevent false negatives when navigating.

^{Written for commit e53b330. Summary will update on new commits.}

[browser-harness-review]

✅ Skill review passed

Reviewed 1 file(s) — no findings.

[cubic-dev-ai]

No issues found across 1 file

_{Re-trigger cubic}