feat: add dingtalk-feishu-collector SOP skill

Reusable 6-step pipeline for collecting DingTalk group messages,
extracting Feishu doc links, fetching content, and generating summaries.

Skills structure:
- SKILL.md: trigger rules, workflow, config reference
- config.yaml: group IDs, collection settings
- scripts/paths.py: shared path resolution
- scripts/step1-6: modular pipeline steps
- scripts/run_all.py: one-click runner

skills/dingtalk-feishu-collector/config.yaml

@@ -0,0 +1,37 @@
+# 钉钉飞书采集器配置
+# 修改此文件即可适配其他群组/项目
+
+groups:
+  dc战略问题研究院: "cidoUneRB4Db8TAXaTrKxkQAw=="
+  创新组: "cidMuM+itt5PeY7xNSWsv3M0g=="
+
+collection:
+  # 首次全量拉取的起始时间
+  start_date: "2026-05-01 00:00:00"
+  # 增量模式：拉取最近N天
+  days_back: 3
+  # 每次API返回上限
+  limit: 200
+  # 分段拉取的时间节点（用于全量拉取时的分页）
+  segments:
+    - "2026-05-01 00:00:00"
+    - "2026-05-19 00:00:00"
+    - "2026-05-24 00:00:00"
+
+# dws CLI 路径查找优先级
+# auto: 环境变量 DWS_PATH > tools/dws.exe > 悟空内置 > PATH
+dws_path: auto
+
+# lark-cli 路径（默认从 PATH 查找）
+lark_cli_path: auto
+
+# 输出目录（相对于项目根目录）
+output_dir: "./output"
+data_dir: "./data"
+
+# 飞书域名映射（可选，用于识别不同租户）
+feishu_domains:
+  - "dianchukeji.feishu.cn"
+  - "fcnlycv6dd0w.feishu.cn"
+  - "ocnmca6f1o0p.feishu.cn"
+  - "my.feishu.cn"