fix: drop default task_logs; process in log, progress in task center (v1.0.81)

assets/examples/README.md

@@ -1,7 +1,6 @@
 # 示例 JSON
 
 - `version-response.json`：`python main.py version` 成功时 stdout 单行对象的形状参考。
-- `log-get-response.json`：若技能有日志表，`log-get` 成功时单条对象的形状参考。
 - `skill-policy-snapshot.*.example.json`：Data Policy Snapshot 形状参考（见 `references/POLICY.md`）。
 - `skill-cell-presentation.example.json`：数据管理单元格呈现文档形状参考（见 `references/CELL_PRESENTATION.md`）。
 - `render-html.action.example.json`：HTML 报告「重新生成」Action 形状参考（固定 id `render-html`；见 `references/ACTIONS.md`）。

assets/examples/log-get-response.json

@@ -1,12 +0,0 @@
-{
-  "id": 1,
-  "task_type": "demo_task",
-  "target_id": "demo_target_1",
-  "input_id": "demo_input_42",
-  "input_title": "示例任务输入标题",
-  "status": "success",
-  "error_msg": null,
-  "result_summary": "{\"processed\": 10, \"skipped\": 0}",
-  "created_at": "2026-04-01T10:00:00",
-  "updated_at": "2026-04-01T10:00:00"
-}