fix(battery): detect TP4056 charging and full states on new board

components/domain/include/domain.h

@@ -52,6 +52,8 @@ typedef enum {
     DOMAIN_BATTERY_CHARGE_UNKNOWN = 0,
     DOMAIN_BATTERY_CHARGE_NOT_CHARGING,
     DOMAIN_BATTERY_CHARGE_CHARGING,
+    DOMAIN_BATTERY_CHARGE_FULL,
+    DOMAIN_BATTERY_CHARGE_FAULT,
 } domain_battery_charge_state_t;
 
 typedef enum {
@@ -67,6 +69,9 @@ typedef struct {
     int latest_sample_mv;
     uint8_t percentage;
     domain_battery_charge_state_t charge_state;
+    bool charge_inputs_valid;
+    bool charge_signal_active;
+    bool full_signal_active;
     domain_battery_level_state_t level_state;
     bool valid;
     bool latest_sample_valid;
@@ -83,6 +88,11 @@ esp_err_t domain_battery_init(void);
 /** 获取并处理一次电池采样，不执行产品策略。 / Process one battery sample without product policy. */
 esp_err_t domain_battery_sample(void);
 
+/** 每100ms调用；两路输入连续采样稳定1秒后更新充电状态，间隔>250ms重新确认。
+ * 不访问ADC；两把锁各最多等待100ms，失败不会后台继续。并发调用安全。
+ */
+esp_err_t domain_battery_poll_charge(void);
+
 /** 复制最新电池 SSOT 快照。 / Copy the latest battery SSOT snapshot into `out_status`. */
 esp_err_t domain_battery_get_status(domain_battery_status_t *out_status);