chore: update .gitignore and untrack bot.pid, update bot.sh

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

bot.sh

@@ -46,9 +46,24 @@ do_start() {
     # Kill any stale tmux session
     tmux kill-session -t "$TMUX_SESSION" 2>/dev/null
 
+    # Build env string from .env for tmux (since tmux doesn't inherit exports)
+    local ENV_EXPORTS=""
+    if [ -f "$BOT_DIR/.env" ]; then
+        while IFS='=' read -r key value; do
+            # Skip comments and empty lines
+            [[ "$key" =~ ^#.*$ || -z "$key" ]] && continue
+            # Remove surrounding quotes from value
+            value="${value%\"}"
+            value="${value#\"}"
+            value="${value%\'}"
+            value="${value#\'}"
+            ENV_EXPORTS+="export ${key}='${value}'; "
+        done < "$BOT_DIR/.env"
+    fi
+
     # Start bot inside a detached tmux session (UTF-8 for Thai text)
     tmux new-session -d -s "$TMUX_SESSION" \
-        "cd '$BOT_DIR' && LANG=C.UTF-8 LC_ALL=C.UTF-8 exec java -Dfile.encoding=UTF-8 -jar '$JAR_FILE' >> '$LOG_DIR/console.log' 2>&1"
+        "cd '$BOT_DIR' && ${ENV_EXPORTS}LANG=C.UTF-8 LC_ALL=C.UTF-8 exec java -Dfile.encoding=UTF-8 -jar '$JAR_FILE' >> '$LOG_DIR/console.log' 2>&1"
 
     sleep 3