Phase 6: SoftAP MTG-Companion web server, /api/last_uid + /api/bind UID pairing, embedded pairing SPA

main/storage_manager.h

@@ -40,6 +40,17 @@ esp_err_t storage_read_text(const char *path, char **out_buf, size_t *out_len);
  */
 esp_err_t storage_write_text(const char *path, const char *text);
 
+/**
+ * @brief Add/replace a UID->card-name mapping in /spiffs/mappings.json.
+ */
+esp_err_t storage_manager_bind_uid(const char *uid, const char *card_name);
+
+/**
+ * @brief Lookup a card name for a UID in mappings.json. Caller frees *out.
+ * @return ESP_OK and non-NULL *out on success; ESP_ERR_NOT_FOUND otherwise.
+ */
+esp_err_t storage_manager_lookup_name(const char *uid, char **out);
+
 #ifdef __cplusplus
 }
 #endif