fix(meowpanel): 文件列表排序——目录优先+名称不区分大小写（原 readdir 原始顺序混杂）；条目上限 1024 防巨目录爆内存；设备实测生效

patch_v2/meowpanel/meowpanel.c

@@ -973,6 +973,16 @@ static void fmt_json_item(sbuf_t *s, const char *name, int isdir, long long size
         isdir ? "dir" : "file", size, mtime);
 }
 
+struct fent { char name[256]; int isdir; long long size, mtime; };
+/* 目录优先 + 名称不区分大小写（再按大小写敏感定序保证稳定） */
+static int fent_cmp(const void *a, const void *b)
+{
+    const struct fent *fa = a, *fb = b;
+    if (fa->isdir != fb->isdir) return fb->isdir - fa->isdir;
+    int c = strcasecmp(fa->name, fb->name);
+    return c ? c : strcmp(fa->name, fb->name);
+}
+
 static int files_list(int sock, const char *relpath)
 {
     char abs[1024], rel[1024];
@@ -999,7 +1009,10 @@ static int files_list(int sock, const char *relpath)
     sA(&s, ",\"allowed\":[");
     for (int i = 0; i < ALLOWED_COUNT; i++) { if (i) sA(&s, ","); sA_str(&s, g_allowed_dirs[i]); }
     sA(&s, "],\"items\":[");
-    int first = 1;
+    /* M2.78：排序后输出（原 readdir 原始顺序混杂难用）——目录优先，同组按名称
+     * 不区分大小写排序；条目上限 1024（与 files App 一致，防巨目录爆内存）。 */
+    int cap = 1024, n = 0;
+    struct fent *ents = malloc((size_t)cap * sizeof *ents);
     struct dirent *e;
     while ((e = readdir(d))) {
         if (!strcmp(e->d_name, ".") || !strcmp(e->d_name, "..")) continue;
@@ -1007,15 +1020,20 @@ static int files_list(int sock, const char *relpath)
         snprintf(full, sizeof full, "%s/%s", abs, e->d_name);
         struct stat fs;
         if (stat(full, &fs) < 0) continue;
-        int isdir = S_ISDIR(fs.st_mode);
-        long long size = (long long)fs.st_size;
-        long long mtime = (long long)fs.st_mtime;
-        if (isdir) size = 0;
-        if (!first) sA(&s, ",");
-        first = 0;
-        fmt_json_item(&s, e->d_name, isdir, size, mtime);
+        if (n >= cap) break;
+        struct fent *en = &ents[n++];
+        snprintf(en->name, sizeof en->name, "%s", e->d_name);
+        en->isdir = S_ISDIR(fs.st_mode);
+        en->size = en->isdir ? 0 : (long long)fs.st_size;
+        en->mtime = (long long)fs.st_mtime;
     }
     closedir(d);
+    qsort(ents, (size_t)n, sizeof *ents, fent_cmp);
+    for (int i = 0; i < n; i++) {
+        if (i) sA(&s, ",");
+        fmt_json_item(&s, ents[i].name, ents[i].isdir, ents[i].size, ents[i].mtime);
+    }
+    free(ents);
     sA(&s, "]}");
     return send_json(sock, 200, s.b ? s.b : "");
 }