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/股权质押明细数据.md

@@ -0,0 +1,161 @@
+# 股权质押明细数据
+
+**文档ID**: 111
+**原始链接**: https://tushare.pro/document/2?doc_id=111
+
+---
+
+## 股权质押明细
+
+接口：pledge_detail描述：获取股票质押明细数据限量：单次最大1000积分：用户需要至少500积分才可以调取，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>ts_code</td>
+<td>str</td>
+<td>Y</td>
+<td>股票代码</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>ts_code</td>
+<td>str</td>
+<td>Y</td>
+<td>TS股票代码</td>
+</tr>
+<tr>
+<td>ann_date</td>
+<td>str</td>
+<td>Y</td>
+<td>公告日期</td>
+</tr>
+<tr>
+<td>holder_name</td>
+<td>str</td>
+<td>Y</td>
+<td>股东名称</td>
+</tr>
+<tr>
+<td>pledge_amount</td>
+<td>float</td>
+<td>Y</td>
+<td>质押数量（万股）</td>
+</tr>
+<tr>
+<td>start_date</td>
+<td>str</td>
+<td>Y</td>
+<td>质押开始日期</td>
+</tr>
+<tr>
+<td>end_date</td>
+<td>str</td>
+<td>Y</td>
+<td>质押结束日期</td>
+</tr>
+<tr>
+<td>is_release</td>
+<td>str</td>
+<td>Y</td>
+<td>是否已解押</td>
+</tr>
+<tr>
+<td>release_date</td>
+<td>str</td>
+<td>Y</td>
+<td>解押日期</td>
+</tr>
+<tr>
+<td>pledgor</td>
+<td>str</td>
+<td>Y</td>
+<td>质押方</td>
+</tr>
+<tr>
+<td>holding_amount</td>
+<td>float</td>
+<td>Y</td>
+<td>持股总数（万股）</td>
+</tr>
+<tr>
+<td>pledged_amount</td>
+<td>float</td>
+<td>Y</td>
+<td>质押总数（万股）</td>
+</tr>
+<tr>
+<td>p_total_ratio</td>
+<td>float</td>
+<td>Y</td>
+<td>本次质押占总股本比例</td>
+</tr>
+<tr>
+<td>h_total_ratio</td>
+<td>float</td>
+<td>Y</td>
+<td>持股总数占总股本比例</td>
+</tr>
+<tr>
+<td>is_buyback</td>
+<td>str</td>
+<td>Y</td>
+<td>是否回购（0否 1是）</td>
+</tr>
+</tbody>
+</table>
+接口使用
+
+```
+pro = ts.pro_api()
+#或者
+#pro = ts.pro_api('your token')
+
+
+df = pro.pledge_detail(ts_code='000014.SZ')
+
+```
+
+或者
+
+```
+df = pro.query('pledge_detail', ts_code='000014.SZ')
+
+```
+
+数据示例
+
+```
+             ts_code  ann_date         holder_name          pledge_amount start_date  \
+0  000014.SZ  20180106  中科汇通(深圳)股权投资基金有限公司       500.0000   20171114   
+1  000014.SZ  20180106  中科汇通(深圳)股权投资基金有限公司       922.0055   20171114   
+2  000014.SZ  20171221  中科汇通(深圳)股权投资基金有限公司       600.0000   20171114   
+3  000014.SZ  20171216  中科汇通(深圳)股权投资基金有限公司       300.0000   20171114   
+4  000014.SZ  20171111  中科汇通(深圳)股权投资基金有限公司       2321.9955   20151127   
+5  000014.SZ  20170616  中科汇通(深圳)股权投资基金有限公司       0.0100   20151127   
+6  000014.SZ  20060927  深圳市沙河实业(集团)有限公司             1936.3698   20050119
+
+```