fix(ncm): SDK圆角矩形列表项加外边距 — 实为ncm_app应用层自绘(row_bg圆角卡),调用处加NCM_ROW_GAP=8px卡间可见外距(卡高48/行距56上下对称+擦SDK行分隔线);三屏playlist/home/queue;宿主test_meow_row_gap PASS,0warning,不涉meow_ui.a无需重链

patch_v2/ncm_app/app/ncm_app_internal.h

@@ -66,6 +66,17 @@ enum {
 #define APP_OP_W     48      /* 行右侧操作区触达宽 */
 #define APP_FOOTER_H 26
 
+/* 圆角卡列表项外边距（item margin/gap）：相邻卡片间可见空隙 px。SDK listview 行距(=APP_ROW_H)
+ * 不变——卡片在其行高内上下对称内缩 NCM_ROW_GAP/2，故文本(SDK 按 APP_ROW_H 垂直居中)仍落卡中心；
+ * 相邻卡顶间距恒=APP_ROW_H=卡高+NCM_ROW_GAP。要求偶数，保证上下对称。 */
+#define NCM_ROW_GAP 8
+/* 第 idx 行（行高 item，滚动 off，列表顶 list_y）的圆角卡：顶 y 与高 h。 */
+static inline int ncm_row_card_y(int item, int idx, int off, int list_y)
+{
+    return list_y + (idx * item - off) + NCM_ROW_GAP / 2;
+}
+static inline int ncm_row_card_h(int item) { return item - NCM_ROW_GAP; }
+
 /* ---- 播放页（§22 重做：封面页/歌词页双页，NCM_CACHE_DESIGN §6）----
  * 沉浸底恒 NCM_PLAYER_BG（不随系统明暗反转——「不动沉浸底」）；日夜间主题配色只映射到
  * 半透明叠加层（歌词页 scrim）与 accent（红）。 */
@@ -568,6 +579,9 @@ void ipc_media_stop(void);
 int  ipc_media_nav_exit(void);  /* 任务2：发 MSG_NAV{EXIT} 给 launcher 请求退后台（进程+媒体会话保留；
                                    launcher M4 据 background_audio+PLAYING 判保活）。0=发出/-1=失败。 */
 int  ipc_media_focus_consume(void); /* 任务3：UI 线程消费「回播放页」标志（0=无；1=已消费一次） */
+/* 批3：上报当前曲歌词（lrc 原文 + tlrc 翻译）到 launcher 媒体会话（MSG_META_LYRIC 分片）。
+ * 由 lyric_worker 在拉到/清一歌词后调（换歌/换词 seq 自增；lrc/tl 可为空=清词）。 */
+void ipc_media_lyric_report(const char *lrc, const char *tl);
 int  ipc_act_report(int act);       /* 任务4 keep_awake：向 launcher 上报当前顶层 activity（MSG_ACT_FOCUS）。
                                        act=ACT_* 值，映射 "login/home/playlist/player/settings/search"（对齐
                                        app.json awake.<act> 键）；launcher fg_keep_awake 依声明判常亮。

patch_v2/ncm_app/app/test/test_meow_row_gap.c

@@ -0,0 +1,59 @@
+/* app/test/test_meow_row_gap.c — 宿主验证：圆角卡列表项外边距（item margin/gap）几何。
+ *
+ * 只测 app/ui 卡片几何辅助（ncm_row_card_y / ncm_row_card_h + NCM_ROW_GAP / APP_ROW_H），
+ * 纯整数运算，不链 SDK / 不开设备：
+ *     gcc -I. -I../sdk -I../meow_launcherd -Icore \
+ *         -I"$ROOT/patch_v2/sdk" -I"$ROOT/patch_v2/meow_launcherd" \
+ *         -Ivendor/mbedtls/include -Ivendor/jsmn -Ivendor/qrcodegen/c \
+ *         -Ivendor/minimp3 -Ivendor/dr_flac \
+ *         test_meow_row_gap.c -o test_meow_row_gap && ./test_meow_row_gap
+ *
+ * 断言集（对应「相邻 item 顶之间 = item 高 + gap」的可见形式）：
+ *   ① 相邻卡顶间距 = APP_ROW_H（= 卡高 + gap；SDK 行距不变）；
+ *   ② 卡片间可见外距 = NCM_ROW_GAP；
+ *   ③ 卡在其行高内上下对称内缩 → SDK 文本（按 APP_ROW_H 垂直居中）落卡中心；
+ *   ④ 滚动偏移只整体平移，不改变上述间距/对称。
+ */
+#include "../ncm_app_internal.h"   /* APP_ROW_H / NCM_ROW_GAP / ncm_row_card_y / ncm_row_card_h */
+#include <stdio.h>
+#include <assert.h>
+
+int main(void)
+{
+    const int item    = APP_ROW_H;   /* 行距（SDK listview item_h，不变） */
+    const int gap     = NCM_ROW_GAP;
+    const int list_y  = 100;
+
+    /* 卡顶 = 行顶 + 上下对称内缩 gap/2；卡高 = item - gap。 */
+    int y0 = ncm_row_card_y(item, 0, 0, list_y);
+    int y1 = ncm_row_card_y(item, 1, 0, list_y);
+    int h  = ncm_row_card_h(item);
+
+    /* ① 行顶(索引0)=list_y；卡相对行顶对称内缩 gap/2；卡高=item-gap */
+    assert(y0 == list_y + gap / 2);
+    assert(h == item - gap);
+    assert(h + gap == item);
+
+    /* ① 相邻卡顶间距 = item（顶到顶 = 卡高 + gap） */
+    assert(y1 - y0 == item);
+
+    /* ② 卡片间可见外距 = gap（卡 i 底 到 卡 i+1 顶） */
+    assert(y1 - (y0 + h) == gap);
+
+    /* ③ 卡中心 == 行中心（SDK 文本按行高居中 → 落卡中心） */
+    assert(y0 - gap / 2 + item / 2 == y0 + h / 2);
+
+    /* ④ 滚动偏移只平移，不改变间距/对称 */
+    for (int off = 0; off <= 2 * item; off += item / 2) {
+        int a2 = ncm_row_card_y(item, 2, off, list_y);
+        int a3 = ncm_row_card_y(item, 3, off, list_y);
+        assert(a3 - a2 == item);
+        assert(a3 - (a2 + h) == gap);
+        /* 顶到顶 = 卡高 + gap，且卡在行内对称（对任意 off 一致） */
+        assert(a2 - (list_y + (2 * item - off)) == gap / 2);  /* 行顶 = list_y + idx*item - off */
+    }
+
+    printf("PASS row_gap=%d card_h=%d top2top=%d visible_gap=%d symmetric=1\n",
+           gap, h, item, gap);
+    return 0;
+}

patch_v2/ncm_app/app/ui/home.c

@@ -91,7 +91,8 @@ static void home_row_bg(void *ctx)
     int n = tab_count(g_tab);
     if (last > n) last = n;
     for (int i = first; i < last; i++) {
-        int ry = r_list.y + (i * item - off) + 1, th2 = item - 2;
+        int ry = ncm_row_card_y(item, i, off, r_list.y);
+        int th2 = ncm_row_card_h(item);
         if (ry < r_list.y || ry + th2 > r_list.y + r_list.h) continue;   /* 只画完整落在视口内的行 */
         ncm_fill_round(r_list.x, ry, r_list.w, th2, 12, th->surfaceContainer);
     }
@@ -170,16 +171,21 @@ static void home_draw(void *ctx)
         int n = tab_count(g_tab);
         if (last > n) last = n;
         for (int i = first; i < last; i++) {
-            int ry = r_list.y + (i * item - off) + 1, th2 = item - 2;
+            int ry = ncm_row_card_y(item, i, off, r_list.y);
+            int th2 = ncm_row_card_h(item);
             if (ry < r_list.y || ry + th2 > r_list.y + r_list.h) continue;
-            int icy = ry + (item - isz) / 2;
+            int icy = ry + (th2 - isz) / 2;
             int bx = r_list.x + 16;
             ncm_fill_round(bx, icy, isz, isz, 6, pa->red);
             meow_ui_fill_rect(bx + isz / 2 - 2, icy + isz / 2 - 2, 4, 4, pa->on_red); /* 盘芯 */
             if (g_press_row == i) {
-                meow_ui_fill_rect(r_list.x, ry, 4, item - 2, pa->red);
+                meow_ui_fill_rect(r_list.x, ry, 4, th2, pa->red);
-                meow_ui_fill_rect_alpha(r_list.x, ry, r_list.w, item - 2, pa->red, 26);
+                meow_ui_fill_rect_alpha(r_list.x, ry, r_list.w, th2, pa->red, 26);
             }
+            /* 擦除 z=10 的 SDK 行分隔线（现落进卡片间空隙）：以页底色填空隙带；不越出列表视口底。 */
+            int gy = ry + th2, gh = NCM_ROW_GAP;
+            if (gy + gh > r_list.y + r_list.h) gh = r_list.y + r_list.h - gy;
+            if (gh > 0) meow_ui_fill_rect(r_list.x, gy, r_list.w, gh, th->bg);
         }
     }
 }

patch_v2/ncm_app/app/ui/playlist.c

@@ -124,7 +124,8 @@ static void pl_row_bg(void *ctx)
     int first = off / item, last = (off + r_list.h) / item + 1;
     if (last > g_st.track_ids_count) last = g_st.track_ids_count;
     for (int i = first; i < last; i++) {
-        int ry = r_list.y + (i * item - off) + 1, th2 = item - 2;
+        int ry = ncm_row_card_y(item, i, off, r_list.y);
+        int th2 = ncm_row_card_h(item);
         if (ry < r_list.y || ry + th2 > r_list.y + r_list.h) continue;   /* 只画完整落在视口内的行 */
         ncm_fill_round(r_list.x, ry, r_list.w, th2, 12, th->surfaceContainer);
     }
@@ -193,15 +194,20 @@ static void pl_draw(void *ctx)
         int first = off / item, last = (off + r_list.h) / item + 1;
         if (last > g_st.track_ids_count) last = g_st.track_ids_count;
         for (int i = first; i < last; i++) {
-            int ry = r_list.y + (i * item - off) + 1, th2 = item - 2;
+            int ry = ncm_row_card_y(item, i, off, r_list.y);
+            int th2 = ncm_row_card_h(item);
             if (ry < r_list.y || ry + th2 > r_list.y + r_list.h) continue;
-            int icy = ry + (item - isz) / 2, bx = r_list.x + 16;
+            int icy = ry + (th2 - isz) / 2, bx = r_list.x + 16;
             ncm_fill_round(bx, icy, isz, isz, 6, pa->red);
             meow_ui_fill_rect(bx + isz / 2 - 2, icy + isz / 2 - 2, 4, 4, pa->on_red);
             if (g_press_row == i) {
-                meow_ui_fill_rect(r_list.x, ry, 4, item - 2, pa->red);
+                meow_ui_fill_rect(r_list.x, ry, 4, th2, pa->red);
-                meow_ui_fill_rect_alpha(r_list.x, ry, r_list.w, item - 2, pa->red, 26);
+                meow_ui_fill_rect_alpha(r_list.x, ry, r_list.w, th2, pa->red, 26);
             }
+            /* 擦除 z=10 的 SDK 行分隔线（现落进卡片间空隙）：以页底色填空隙带；不越出列表视口底。 */
+            int gy = ry + th2, gh = NCM_ROW_GAP;
+            if (gy + gh > r_list.y + r_list.h) gh = r_list.y + r_list.h - gy;
+            if (gh > 0) meow_ui_fill_rect(r_list.x, gy, r_list.w, gh, th->bg);
         }
     }
 }

patch_v2/ncm_app/app/ui/queue.c

@@ -95,7 +95,8 @@ static void q_row_bg(void *ctx)
     if (last > cnt) last = cnt;
     int cur = player_manager_playing_song();
     for (int i = first; i < last; i++) {
-        int ry = r_list.y + (i * item - off) + 1, th2 = item - 2;
+        int ry = ncm_row_card_y(item, i, off, r_list.y);
+        int th2 = ncm_row_card_h(item);
         if (ry < r_list.y || ry + th2 > r_list.y + r_list.h) continue;   /* 只画完整落在视口内的行 */
         if (i == cur) {
             /* 当前播放行：红色左条 + 红色轻染（高亮），底用 red_ctr 浅红 */
@@ -112,6 +113,7 @@ static void q_draw(void *ctx)
 {
     (void)ctx;
     if (meow_ui_activity_active() != ACT_QUEUE) return;
+    const meow_theme *th = meow_theme_get();
     const ncm_pal_t *pa  = ncm_palette(g_dark);
     int cnt = appstate_queue_count();
     if (cnt <= 0) return;
@@ -120,15 +122,20 @@ static void q_draw(void *ctx)
     int first = off / item, last = (off + r_list.h) / item + 1;
     if (last > cnt) last = cnt;
     for (int i = first; i < last; i++) {
-        int ry = r_list.y + (i * item - off) + 1, th2 = item - 2;
+        int ry = ncm_row_card_y(item, i, off, r_list.y);
+        int th2 = ncm_row_card_h(item);
         if (ry < r_list.y || ry + th2 > r_list.y + r_list.h) continue;
-        int icy = ry + (item - isz) / 2, bx = r_list.x + 16;
+        int icy = ry + (th2 - isz) / 2, bx = r_list.x + 16;
         ncm_fill_round(bx, icy, isz, isz, 6, pa->red);
         meow_ui_fill_rect(bx + isz / 2 - 2, icy + isz / 2 - 2, 4, 4, pa->on_red);
         if (g_press_row == i) {
-            meow_ui_fill_rect(r_list.x, ry, 4, item - 2, pa->red);
+            meow_ui_fill_rect(r_list.x, ry, 4, th2, pa->red);
-            meow_ui_fill_rect_alpha(r_list.x, ry, r_list.w, item - 2, pa->red, 26);
+            meow_ui_fill_rect_alpha(r_list.x, ry, r_list.w, th2, pa->red, 26);
         }
+        /* 擦除 z=10 的 SDK 行分隔线（现落进卡片间空隙）：以页底色填空隙带；不越出列表视口底。 */
+        int gy = ry + th2, gh = NCM_ROW_GAP;
+        if (gy + gh > r_list.y + r_list.h) gh = r_list.y + r_list.h - gy;
+        if (gh > 0) meow_ui_fill_rect(r_list.x, gy, r_list.w, gh, th->bg);
     }
 }