feat(sdk): M6.39批 — LazyGrid/LazyColumn/LazyRow MD3容器化 + SDK全局App内底部上滑回桌面(系统手势优先)

- meow_ui_widget.c: W_LIST/meow_list/LazyColumn/LazyRow默认container=1(MD3圆角卡surfaceContainer+tonal选中+卡内按压+去分隔线) + 新增meow_list_set_container; 平坦回退set_container(0)
- meow_lazygrid.c: lg_draw_cell容器化(卡内缩8,surfaceContainer圆角+tonal选中+按压)
- meow_ui_input.c: 新增meow_ui_input_is_home_swipe(镜像np_home_gesture:屏底28px热区+上移65px+竖向主导,与左缘返回/列表中滑互斥) + MEOW_EV_HOME分发→meow_ui_nav_request_exit(系统保留手势**优先于App on_swipe**,任意App内生效→MSG_NAV EXIT→批①保活回桌面; 不调request_exit避免进程退出断送保活)
- 声明: meow_ui_input.h / meow_ui_widgets.h 各追加
- 宿主测试: test_meow_ui_home_gesture 19-0 / test_meow_ui_lazygrid 32-0, 0warning

patch_v2/sdk/test_meow_ui_lazygrid.c

@@ -109,8 +109,8 @@ int main(void)
     meow_ui_opts o = { 480, 720 };
     if (meow_ui_init(&o) != 0) { printf("init failed\n"); return 1; }
     const meow_theme *th = meow_theme_get();
-    int scl_r, scl_g, scl_b, on_r, on_g, on_b, pc_r, pc_g, pc_b, osv_r, osv_g, osv_b, opc_r, opc_g, opc_b;
-    UNPK(th->surfaceContainerLow, scl_r, scl_g, scl_b);
+    int sc_r, sc_g, sc_b, on_r, on_g, on_b, pc_r, pc_g, pc_b, osv_r, osv_g, osv_b, opc_r, opc_g, opc_b;
+    UNPK(th->surfaceContainer, sc_r, sc_g, sc_b);
     UNPK(th->onSurface, on_r, on_g, on_b);
     UNPK(th->primaryContainer, pc_r, pc_g, pc_b);
     UNPK(th->onSurfaceVariant, osv_r, osv_g, osv_b);
@@ -196,17 +196,18 @@ int main(void)
         meow_lazygrid_draw(g, th);
         /* 选中 cell0 → primaryContainer 底（[GX,GY,100,80]） */
         CHECK(region_has(GX + 4, GY + 4, 90, 60, pc_r, pc_g, pc_b) > 40, "selected cell primaryContainer bg");
-        /* 未选中 cell1 → surfaceContainerLow 底 */
+        /* 未选中 cell1 → surfaceContainer 底（MD3 容器：格内对称内缩 m=8 的圆角卡） */
         int x1 = GX + 1 * (CW + GAP);
-        CHECK(region_has(x1 + 4, GY + 4, 90, 60, scl_r, scl_g, scl_b) > 40, "cell1 surfaceContainerLow bg");
-        /* 标题画在 cell0 底部（选中 → onPrimaryContainer；副标题在下方 onPrimaryContainer 同色带） */
+        CHECK(region_has(x1 + 4, GY + 4, 90, 60, sc_r, sc_g, sc_b) > 40, "cell1 surfaceContainer bg");
+        /* 标题画在 cell0 卡内底部（选中 → onPrimaryContainer；副标题在下方 onPrimaryContainer 同色带）。
+         * 镜像 lg_draw_cell 的 ty：cy=GY+m、chh=CH-2m、pad=8 → ty = GY+CH-m-pad-thh-(thh+2)。 */
         int thh = meow_ui_text_height(th->font_body);
-        int title_y = GY + CH - 8 - thh - (thh + 2);   /* = lg_draw_cell 的 ty */
+        int title_y = GY + CH - 8 - 8 - thh - (thh + 2);
         int c0cx = GX + CW / 2;
         CHECK(region_has(c0cx - 30, title_y, 60, thh, opc_r, opc_g, opc_b) > 2, "cell0 title drawn (onPrimaryContainer)");
-        /* 禁用 cell2 变淡：左上角（图标/文本区之外）不再是纯 surfaceContainerLow（被 onSurface α 叠暗） */
+        /* 禁用 cell2 变淡：卡内左上角（图标/文本区之外）不再是纯 surfaceContainer（被 onSurface α 叠暗） */
         int x2 = GX + 2 * (CW + GAP);
-        CHECK(!px_near(x2 + 4, GY + 4, scl_r, scl_g, scl_b), "disabled cell overlaid (bg dimmed)");
+        CHECK(!px_near(x2 + 8 + 4, GY + 8 + 4, sc_r, sc_g, sc_b), "disabled cell overlaid (bg dimmed)");
         meow_lazygrid_free(g);
     }