feat: expand companion platform, device controls, and memoir workflows

Add customer and operator login, BLE provisioning, device fleet controls, call memory, memoir generation, and refreshed family and maintenance portals. Include API contracts, migrations, firmware sources, tests, assets, and deployment documentation.

firmware/echoear-platform-agent/main/device_screen_wake.h

@@ -0,0 +1,12 @@
+#pragma once
+#include <stdint.h>
+#include "esp_err.h"
+#include "cJSON.h"
+
+// Only request() runs on the touch task. State/NVS and network work belong to
+// the control worker; the physical wake survives a reboot or lost HTTP reply.
+esp_err_t device_screen_wake_init(void);
+void device_screen_wake_request(void);
+esp_err_t device_screen_wake_poll(int64_t applied_revision);
+void device_screen_wake_add_report(cJSON *report);
+esp_err_t device_screen_wake_ack(const cJSON *response);