Initial release.
- Adds a Ready for pickup custom order status (after Processing), selectable on the order screen and as a bulk action.
- Sends the customer an SMS when their order is paid (Processing) and again when it is Ready for pickup — with message templates, per-status toggles, and idempotent sends.
- Settings page at WooCommerce → Click & Collect SMS, including a test-SMS button.
- HPOS + Blocks compatible; self-updates from GitHub Releases.
Note: the SMS provider call is a clearly-marked stub awaiting the provider's API key + docs (one file: includes/class-ccn-sms-client.php). SMS is disabled by default, so order-status changes work and nothing is sent until a provider is configured.