20260616 增加产品UI查询服务

src/blob_store.rs

@@ -192,6 +192,18 @@ impl ExternalRepoBytesDb {
         })
     }
 
+    pub fn open_read_only(path: impl Into<PathBuf>) -> StorageResult<Self> {
+        let path = path.into();
+        let mut opts = Options::default();
+        opts.set_compression_type(rocksdb::DBCompressionType::Lz4);
+        let db = DB::open_for_read_only(&opts, &path, false)
+            .map_err(|e| StorageError::RocksDb(e.to_string()))?;
+        Ok(Self {
+            path,
+            db: Arc::new(db),
+        })
+    }
+
     pub fn put_blob_bytes_batch(&self, blobs: &[(String, Vec<u8>)]) -> StorageResult<()> {
         if blobs.is_empty() {
             return Ok(());