refactor(architecture): unify facade headers and remove unused lcd dependency

components/control_plane/include/control_plane.h

@@ -0,0 +1,37 @@
+#pragma once
+
+#include <stdint.h>
+
+#include "esp_err.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    CONTROLLER_LIFECYCLE_STATE_STOPPED = 0,
+    CONTROLLER_LIFECYCLE_STATE_STARTING,
+    CONTROLLER_LIFECYCLE_STATE_RUNNING,
+    CONTROLLER_LIFECYCLE_STATE_DEGRADED,
+    CONTROLLER_LIFECYCLE_STATE_STOPPING,
+} controller_lifecycle_state_t;
+
+typedef struct {
+    controller_lifecycle_state_t state;
+    esp_err_t last_error;
+    uint32_t start_attempt;
+    int64_t last_transition_ms;
+    char last_stage[32];
+} controller_lifecycle_status_t;
+
+esp_err_t controller_lifecycle_start(void);
+esp_err_t controller_lifecycle_stop(void);
+void controller_lifecycle_get_status(controller_lifecycle_status_t *out_status);
+const char *controller_lifecycle_state_str(controller_lifecycle_state_t state);
+
+esp_err_t rest_server_start(void);
+void rest_server_stop(void);
+
+#ifdef __cplusplus
+}
+#endif