fix(sdk/watchdog): 236 收尾 — sigusr1_guard 无日志目录时落 stderr 可观测; test_wd_fw 补 fw-app/裸沉浸/裸非沉浸三用例; hello/files/ncm 随 meow_ui.a(4020227c) 重链 (已热更到卡, watchdog 6373d8e5 待入 M2.89)

patch_v2/meow_launcherd/evtool.c

@@ -21,7 +21,7 @@
 #include <stdint.h>
 #include <time.h>
 #include <sys/ioctl.h>
-#include <sys/poll.h>
+#include <poll.h>
 #include <linux/input.h>
 
 #ifndef EVIOCGRAB
@@ -147,18 +147,15 @@ static void loop_forward(const char *dev, int fwd)
     fflush(stdout);
     struct pollfd pfd = { fd, POLLIN, 0 };
     unsigned char ev[16];
-    unsigned long long nread = 0, nwritten = 0;
     for (;;) {
         int r = poll(&pfd, 1, -1);
         if (r < 0) { perror("poll"); break; }
         if (pfd.revents & POLLIN) {
             ssize_t n = read(fd, ev, sizeof ev);
             if (n != 16) { if (n < 0) perror("read"); continue; }
-            nread++;
             print_ev("G", ev);
             if (fwd) {
                 ssize_t w = write(fd, ev, sizeof ev);
-                nwritten++;
                 if (w != 16) fprintf(stderr, "  write-back failed: %s\n", strerror(errno));
             }
         }

patch_v2/meow_launcherd/test_host_icon.c

@@ -92,6 +92,7 @@ int main(void)
     setbuf(stdout, NULL);   /* 立即冲刷，abort 前也能看到 printf */
     setenv("MEOW_UI_DUMP", "/tmp/icon.ppm", 1);
     meow_ui_opts o = { FB_W, FB_H };
+    (void)o;
     assert(meow_ui_init(&o) == 0);
     assert(meow_ui_width() == FB_W && meow_ui_height() == FB_H);
 

patch_v2/meow_launcherd/test_notif_panel.c

@@ -358,7 +358,6 @@ static void test_clear_drag_pure(void)
 
     /* mini 状态机：跟手下拉打开（seed 从0 升）→ 松手锚定 */
     int seed = 0, p = 0;
-    int dy = 0;
     /* 手指下移 300px：reveal=seed+(tly-drag_y0) */
     seed = 0; p = mnp_drag_progress(mnp_drag_reveal(seed, 300, PH), FIX, PH);
     CHECK(p > 0 && p < FIX, "mini open-follow: drag 300px -> partial progress");