fix: set TZ=Asia/Shanghai for correct log timestamps

HF Space defaults to UTC, causing 8-hour offset in log file timestamps.
- Dockerfile: ENV TZ=Asia/Shanghai + link /etc/localtime
- start.sh: export TZ as safety net for runtime

Dockerfile

@@ -1,5 +1,9 @@
 FROM python:3.12-slim
 
+# Fix timezone — HF Space defaults to UTC, we need Asia/Shanghai for log timestamps
+ENV TZ=Asia/Shanghai
+RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
+
 # System deps (add build tools for node-pty native compilation)
 RUN apt-get update && apt-get install -y --no-install-recommends \
     git curl gnupg2 fontconfig make g++ python3 \

start.sh

@@ -4,6 +4,9 @@
 
 echo "=== Hermes Bot — HuggingFace Space Startup ==="
 
+# Ensure system timezone matches config (logging timestamps use system TZ)
+export TZ="${TZ:-Asia/Shanghai}"
+
 # Ensure persistent storage directories exist
 mkdir -p /data/hermes/{sessions,memories,uploads,logs,palace,skills,weixin}