Removes fulfillment service creation entirely. Fetches the store's
primary location ID via locations(first:1) query. Requires read_locations
scope in SHOPIFY_SCOPES env var.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Falls back to querying locations(first:1) if no locationId was saved during
auth, so inventory warnings are eliminated without manual config.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>