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+<!--
+For Chinese contributors: 请直接用中文填写。
+For English contributors: please fill in English. All fields marked (EN) accept English.
+-->
+
+## PR Type
+
+- [ ] fix
+- [ ] feat
+- [ ] refactor
+- [ ] docs
+- [ ] chore
+- [ ] test
+
+## Background And Problem
+
+请描述当前问题、影响范围与触发场景。  
+*(EN) Describe the problem, its impact, and what triggers it.*
+
+## Scope Of Change
+
+请列出本 PR 修改的模块和文件范围。  
+*(EN) List the modules and files changed in this PR.*
+
+## Issue Link
+
+必须填写以下之一 / Fill in one of:
+- `Fixes #<issue_number>`
+- `Refs #<issue_number>`
+- 无 Issue 时说明原因与验收标准 / If no issue, explain the motivation and acceptance criteria
+
+## Verification Commands And Results
+
+请填写你实际执行过的命令和关键结果（不要只写"已测试"）。  
+*(EN) Paste the commands you actually ran and their key output (don't just write "tested"):*
+
+```bash
+# example
+./scripts/ci_gate.sh
+python -m pytest -m "not network"
+```
+
+关键输出/结论 / Key output & conclusion:
+
+## Compatibility And Risk
+
+请说明兼容性影响、潜在风险（如无请写 `None`）。  
+*(EN) Describe compatibility impact and potential risks (write `None` if not applicable).*
+
+## Rollback Plan
+
+请至少写一句可执行的回滚方案（必填）。  
+*(EN) Provide at least one actionable rollback step (required).*
+
+## EXTRACT_PROMPT Change (if applicable)
+
+若本 PR 修改了 `src/services/image_stock_extractor.py` 中的 `EXTRACT_PROMPT`，请在此处粘贴完整变更后的 prompt。  
+*If this PR changes `EXTRACT_PROMPT` in `src/services/image_stock_extractor.py`, paste the full updated prompt here:*
+
+<details>
+<summary>展开 / Expand: Full EXTRACT_PROMPT</summary>
+
+```
+(paste full prompt here)
+```
+
+</details>
+
+## Checklist
+
+- [ ] 本 PR 有明确动机和业务价值 / This PR has a clear motivation and value
+- [ ] 已提供可复现的验证命令与结果 / Reproducible verification commands and results are included
+- [ ] 已评估兼容性与风险 / Compatibility and risk have been assessed
+- [ ] 已提供回滚方案 / A rollback plan is provided
+- [ ] 若涉及用户可见变更，已同步更新相关文档与 `docs/CHANGELOG.md`；若未更新 `README.md`，已说明原因与文档落点 / If user-visible changes are included, the relevant docs and `docs/CHANGELOG.md` are updated; if `README.md` was not updated, the reason and documentation location are explained