feat: 新增 account 和 plan 目录

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

account/admin/skills/system/update-plan-step/.openakita-i18n.json

@@ -0,0 +1,6 @@
+{
+  "zh": {
+    "name": "更新计划步骤",
+    "description": "更新计划中某个步骤的状态，每完成一步后必须调用以跟踪进度。"
+  }
+}

account/admin/skills/system/update-plan-step/SKILL.md

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+---
+name: update-plan-step
+description: Update the status of a plan step. MUST call after completing each step to track progress. Status values - pending, in_progress, completed, failed, skipped.
+system: true
+handler: plan
+tool-name: update_plan_step
+category: Plan
+---
+
+# Update Plan Step
+
+更新计划中某个步骤的状态。每完成一步必须调用。
+
+## Parameters
+
+| 参数 | 类型 | 必填 | 说明 |
+|-----|------|-----|------|
+| step_id | string | 是 | 步骤 ID |
+| status | string | 是 | pending / in_progress / completed / failed / skipped |
+| result | string | 否 | 执行结果或错误信息 |
+
+## Examples
+
+**步骤完成**:
+```json
+{
+  "step_id": "step_1",
+  "status": "completed",
+  "result": "已打开百度首页"
+}
+```
+
+**步骤失败**:
+```json
+{
+  "step_id": "step_2",
+  "status": "failed",
+  "result": "找不到搜索框元素"
+}
+```
+
+## Related Skills
+
+- `create-plan`: 创建计划
+- `get-plan-status`: 查看计划状态
+- `complete-plan`: 完成计划