feat: multimodal image clients, workspaces, Tushare skill, test fixes

- Replace monolithic image_message_client with HTTP/OCR/legacy modules; tighten OpenAI transport + tool schemas for multimodal downgrade to OCR specialist path.
- Add image/stock workspace prompts (META/SOUL/ROLE_SYSTEM); register experts; tweak specialist agent/direct loop/query_image_attachment.
- Add bundled runtime/skills/tushare-finance (references, api_client, SKILL metadata).
- Document OCR-related env vars; admin chat tweaks; README; weixin_install Ensure-OfficialPluginRuntimeDeps helper.
- Tests: multimodal downgrade + OCR coverage, strict tool pairing in attachment replay guard, workspace contract skips _internal/_system dirs, router/trace/prompt guards.

Co-authored-by: Cursor <cursoragent@cursor.com>

runtime/skills/tushare-finance/reference/接口文档/全国电影剧本备案数据.md

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+# 全国电影剧本备案数据
+
+**文档ID**: 156
+**原始链接**: https://tushare.pro/document/2?doc_id=156
+
+---
+
+## 全国电影剧本备案数据
+
+接口：film_record描述：获取全国电影剧本备案的公示数据限量：单次最大500，总量不限制数据权限：用户需要至少120积分才可以调取，积分越多调取频次越高，具体请参阅积分获取办法
+
+输入参数
+
+<table>
+<thead>
+<tr>
+<th>名称</th>
+<th>类型</th>
+<th>必选</th>
+<th>描述</th>
+</tr>
+</thead>
+<tbody><tr>
+<td>ann_date</td>
+<td>str</td>
+<td>N</td>
+<td>公布日期 （至少输入一个参数，格式：YYYYMMDD，日期不连续，定期公布）</td>
+</tr>
+<tr>
+<td>start_date</td>
+<td>str</td>
+<td>N</td>
+<td>开始日期</td>
+</tr>
+<tr>
+<td>end_date</td>
+<td>str</td>
+<td>N</td>
+<td>结束日期</td>
+</tr>
+</tbody></table>
+输出参数
+
+<table>
+<thead>
+<tr>
+<th>名称</th>
+<th>类型</th>
+<th>默认显示</th>
+<th>描述</th>
+</tr>
+</thead>
+<tbody><tr>
+<td>rec_no</td>
+<td>str</td>
+<td>Y</td>
+<td>备案号</td>
+</tr>
+<tr>
+<td>film_name</td>
+<td>str</td>
+<td>Y</td>
+<td>影片名称</td>
+</tr>
+<tr>
+<td>rec_org</td>
+<td>str</td>
+<td>Y</td>
+<td>备案单位</td>
+</tr>
+<tr>
+<td>script_writer</td>
+<td>str</td>
+<td>Y</td>
+<td>编剧</td>
+</tr>
+<tr>
+<td>rec_result</td>
+<td>str</td>
+<td>Y</td>
+<td>备案结果</td>
+</tr>
+<tr>
+<td>rec_area</td>
+<td>str</td>
+<td>Y</td>
+<td>备案地（备案时间）</td>
+</tr>
+<tr>
+<td>classified</td>
+<td>str</td>
+<td>Y</td>
+<td>影片分类</td>
+</tr>
+<tr>
+<td>date_range</td>
+<td>str</td>
+<td>Y</td>
+<td>备案日期区间</td>
+</tr>
+<tr>
+<td>ann_date</td>
+<td>str</td>
+<td>Y</td>
+<td>备案结果发布时间</td>
+</tr>
+</tbody></table>
+接口使用
+
+```
+pro = ts.pro_api()
+#或者
+#pro = ts.pro_api('your token')
+
+df = pro.film_record(start_date='20181014', end_date='20181214')
+```
+
+数据示例