fix: 补全 vendor 快照（model_tools/utils/toolsets/gateway/cron/hermes_time）+ python-dotenv 依赖

- vendor_hermes.sh: 补全遗漏的单文件模块和目录
- pyproject.toml: 添加 python-dotenv 隐性依赖
- 全量 import 测试通过（216 .py, 180K 行）
- firecrawl/fal_client 为可选工具，缺失时优雅跳过

scripts/vendor_hermes.sh

@@ -40,24 +40,39 @@ echo "📦 Vendoring hermes@$COMMIT → $VENDOR_DIR"
 rm -rf "$VENDOR_DIR"
 mkdir -p "$VENDOR_DIR"
 
-# 核心模块
-cp "$HERMES_SRC/cli.py" "$VENDOR_DIR/"
-cp "$HERMES_SRC/run_agent.py" "$VENDOR_DIR/"
-cp "$HERMES_SRC/mcp_serve.py" "$VENDOR_DIR/"
-cp "$HERMES_SRC/hermes_state.py" "$VENDOR_DIR/"
-cp "$HERMES_SRC/hermes_constants.py" "$VENDOR_DIR/"
-cp "$HERMES_SRC/batch_runner.py" "$VENDOR_DIR/" 2>/dev/null || true
+# 核心模块（单文件）
+for pyfile in cli.py run_agent.py mcp_serve.py hermes_state.py hermes_constants.py \
+              batch_runner.py model_tools.py utils.py toolsets.py toolset_distributions.py \
+              hermes_time.py; do
+    if [ -f "$HERMES_SRC/$pyfile" ]; then
+        cp "$HERMES_SRC/$pyfile" "$VENDOR_DIR/"
+        echo "   ✓ $pyfile"
+    else
+        echo "   ⚠ $pyfile 不存在，跳过"
+    fi
+done
 
-# 子模块
-cp -r "$HERMES_SRC/hermes_cli" "$VENDOR_DIR/"
-cp -r "$HERMES_SRC/tools" "$VENDOR_DIR/"
-cp -r "$HERMES_SRC/agent" "$VENDOR_DIR/"
+# 子模块（目录）
+for subdir in hermes_cli tools agent model_tools utils toolsets toolset_distributions gateway cron; do
+    if [ -d "$HERMES_SRC/$subdir" ]; then
+        cp -r "$HERMES_SRC/$subdir" "$VENDOR_DIR/"
+        echo "   ✓ $subdir/"
+    else
+        echo "   ⚠ $subdir/ 不存在，跳过"
+    fi
+done
 
 # __init__.py
 touch "$VENDOR_DIR/__init__.py"
 
 # 版本锁定标记
-echo "$COMMIT" > "$VENDOR_DIR/HERMES_COMMIT"
+cat > "$VENDOR_DIR/VENDOR_COMMIT" << MARKER
+# MindOS CLI Vendor Snapshot
+source: hermes
+commit: $COMMIT
+snapshot_date: $(date +%Y-%m-%d)
+snapshot_by: vendor_hermes.sh
+MARKER
 
 # 统计
 FILE_COUNT=$(find "$VENDOR_DIR" -name "*.py" | wc -l | tr -d ' ')