feat: 实现计划管理工具和进度条实时更新

- 添加 plan_step_add/remove/update 和 plan_summary_update 事件支持
- 添加 onPhaseProgress 回调，联动独立进度条组件
- 扩展 MessageSegment 接口支持 progress 类型
- 映射 phaseId (sim -> simulation) 适配进度条

src/services/sseHandler.ts

@@ -45,6 +45,16 @@ export interface SSECallbacks {
   onToolConfirm?: (data: ToolConfirmEvent) => void;
   /** 收到计划确认请求（Plan 模式） */
   onPlanConfirm?: (data: PlanConfirmEvent) => void;
+  /** 阶段进度更新 */
+  onPhaseProgress?: (data: import('../types/api').PhaseProgressEvent) => void;
+  /** 添加计划步骤 */
+  onPlanStepAdd?: (data: import('../types/api').PlanStepAddEvent) => void;
+  /** 删除计划步骤 */
+  onPlanStepRemove?: (data: import('../types/api').PlanStepRemoveEvent) => void;
+  /** 更新计划步骤 */
+  onPlanStepUpdate?: (data: import('../types/api').PlanStepUpdateEvent) => void;
+  /** 更新计划摘要 */
+  onPlanSummaryUpdate?: (data: import('../types/api').PlanSummaryUpdateEvent) => void;
   /** 工具开始执行 */
   onToolStart?: (data: ToolStartEvent) => void;
   /** 工具执行完成 */
@@ -289,6 +299,21 @@ function dispatchEvent(
     case 'plan_confirm':
       callbacks.onPlanConfirm?.(data as PlanConfirmEvent);
       break;
+    case 'phase_progress':
+      callbacks.onPhaseProgress?.(data as import('../types/api').PhaseProgressEvent);
+      break;
+    case 'plan_step_add':
+      callbacks.onPlanStepAdd?.(data as import('../types/api').PlanStepAddEvent);
+      break;
+    case 'plan_step_remove':
+      callbacks.onPlanStepRemove?.(data as import('../types/api').PlanStepRemoveEvent);
+      break;
+    case 'plan_step_update':
+      callbacks.onPlanStepUpdate?.(data as import('../types/api').PlanStepUpdateEvent);
+      break;
+    case 'plan_summary_update':
+      callbacks.onPlanSummaryUpdate?.(data as import('../types/api').PlanSummaryUpdateEvent);
+      break;
     case 'tool_start':
       callbacks.onToolStart?.(data as ToolStartEvent);
       break;