feat(bt): 批①后台常驻框架实施 — meow_media_app_resident按app会话判活跃+should_keep三参(keepalive||bg_audio&&resident)+background_keepalive声明解析透传+amsd EV BG/FG上报;宿主test_media39/test_bgplay/test_bg_keep19全过,0warning;落盘APP_BACKGROUND_KEEPALIVE_P1;降配(nice)待真机未做

patch_v2/meow_launcherd/meow_bgplay.c

@@ -63,9 +63,10 @@ void meow_bgplay_init(const meow_bgplay_ops *ops)
 
 /* ================= 后台播放保活 ================= */
 
-int meow_bg_should_keep(int bg_audio_declared, int media_playing)
+int meow_bg_should_keep(int bg_audio_declared, int media_resident, int keepalive_declared)
 {
-    return bg_audio_declared && media_playing;
+    if (keepalive_declared)         return 1;   /* 通用常驻：进后台即保活 */
+    return bg_audio_declared && media_resident; /* 播放类：播放/暂停/缓冲都保活 */
 }
 
 static meow_bg_entry_t *bg_find(const char *app_id)
@@ -78,7 +79,7 @@ static meow_bg_entry_t *bg_find(const char *app_id)
     return NULL;
 }
 
-int meow_bg_add(const char *app_id, pid_t pid, int out_fd, int on_card)
+int meow_bg_add(const char *app_id, pid_t pid, int out_fd, int on_card, int keepalive)
 {
     int i;
 
@@ -94,8 +95,11 @@ int meow_bg_add(const char *app_id, pid_t pid, int out_fd, int on_card)
             e->pid = pid;
             e->out_fd = out_fd;
             e->on_card = on_card;
+            e->bg_since_ms = bg_now_ms();      /* 批①：转后台时刻 */
+            e->keepalive = keepalive ? 1 : 0;  /* 批①：常驻类型标记 */
             g_change_seq++;
-            bg_log("[bgplay] 转后台保活: %s pid=%d on_card=%d", app_id, (int)pid, on_card);
+            bg_log("[bgplay] 转后台保活: %s pid=%d on_card=%d keepalive=%d",
+                   app_id, (int)pid, on_card, e->keepalive);
             return 0;
         }
     }