diff --git a/Cargo.toml b/Cargo.toml
index 536a683..4e31da7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "momentry_playground"
 version = "0.1.0"
 edition = "2021"
-description = "MoMentry 主視窗應用 - 統一播放、檢視、監控於一體"
+description = "MoMentry Playground - Unified media player with ASR/YOLO/Chunks overlay"
 authors = ["Warren Lo <warren@accusys.com.tw>"]
 license = "MIT"
 
@@ -15,40 +15,47 @@ name = "momentry_playground"
 path = "src/lib.rs"
 
 [dependencies]
-# 桌面窗口管理
+# Desktop window management
 tao = "0.30"
 wry = "0.54"
 
-# 視頻/音頻
+# Video/Audio
 sdl2 = "0.38"
 ffmpeg-sidecar = "2.4"
 
-# 錯誤處理
+# Error handling
 anyhow = "1.0"
 thiserror = "2.0"
 
-# 序列化
+# Serialization
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 
-# 異步
+# Async
 tokio = { version = "1", features = ["full"] }
 
-# HTTP 客戶端
+# HTTP client
 reqwest = { version = "0.12", features = ["json"] }
 
-# URL 解析
+# URL parsing
 url = "2.5"
 
-# Markdown
+# Markdown (for potential MD viewing)
 pulldown-cmark = "0.10"
 
-# 日誌
+# Logging
 log = "0.4"
 env_logger = "0.11"
 
-# 工具
+# CLI
 clap = { version = "4.5", features = ["derive"] }
 dirs = "6"
-md5 = "0.7"
+
+# LRU Cache for YOLO frame caching
+lru = "0.12"
+
+# Time
 chrono = "0.4"
+
+[dev-dependencies]
+tempfile = "3.10"