feat: vfs - add stat syscall

kernel/src/Fs/Vfs.cpp

@@ -288,6 +288,25 @@ namespace Fs::Vfs {
         return result;
     }
 
+    int VfsStat(const char* path, StatInfo& out) {
+        int drive;
+        const char* localPath;
+
+        out = StatInfo{};
+
+        if (!ParsePath(path, drive, localPath)) return -1;
+        if (drive < 0 || drive >= MaxDrives || !driveActive[drive] || driveTable[drive] == nullptr) return -1;
+        if (driveTable[drive]->Stat == nullptr) return -1;
+
+        vfsLock.Acquire();
+        FsDriver* driver = driveTable[drive];
+        int result = (driveActive[drive] && driver && driver->Stat)
+            ? driver->Stat(localPath, &out)
+            : -1;
+        vfsLock.Release();
+        return result;
+    }
+
     int VfsMkdir(const char* path) {
         int drive;
         const char* localPath;