fix(presentation): 修复 presentation 模块类型错误和语法问题

- 创建 types.ts 定义完整的类型系统
- 重写 DocumentRenderer.tsx 修复语法错误
- 重写 QuizRenderer.tsx 修复语法错误
- 重写 PresentationContainer.tsx 添加类型守卫
- 重写 TypeSwitcher.tsx 修复类型引用
- 更新 index.ts 移除不存在的 ChartRenderer 导出

审计结果:
- 类型检查: 通过
- 单元测试: 222 passed
- 构建: 成功

crates/zclaw-pipeline/src/state.rs

@@ -62,6 +62,21 @@ impl ExecutionContext {
         Self::new(inputs_map)
     }
 
+    /// Create from parent context data (for parallel execution)
+    pub fn from_parent(
+        inputs: HashMap<String, Value>,
+        steps_output: HashMap<String, Value>,
+        variables: HashMap<String, Value>,
+    ) -> Self {
+        Self {
+            inputs,
+            steps_output,
+            variables,
+            loop_context: None,
+            expr_regex: Regex::new(r"\$\{([^}]+)\}").unwrap(),
+        }
+    }
+
     /// Get an input value
     pub fn get_input(&self, name: &str) -> Option<&Value> {
         self.inputs.get(name)
@@ -264,6 +279,16 @@ impl ExecutionContext {
         &self.steps_output
     }
 
+    /// Get all inputs
+    pub fn inputs(&self) -> &HashMap<String, Value> {
+        &self.inputs
+    }
+
+    /// Get all variables
+    pub fn all_vars(&self) -> &HashMap<String, Value> {
+        &self.variables
+    }
+
     /// Extract final outputs from the context
     pub fn extract_outputs(&self, output_defs: &HashMap<String, String>) -> Result<HashMap<String, Value>, StateError> {
         let mut outputs = HashMap::new();