Improve atlas feedback and rendering UX

.github/ISSUE_TEMPLATE/atlas_feedback.md

@@ -0,0 +1,25 @@
+---
+name: 图谱反馈 / Atlas feedback
+about: 提建议、纠错、补充资源、讨论图谱扩建方向
+title: "[feedback] <node or topic>: <一句话>"
+labels: ["feedback", "triage"]
+---
+
+**相关节点 / Node**
+例如 `course:zhao_rl`、`paper:2212.10156`、`concept:bellman_eq`，若是全局建议可留空。
+
+**建议类型 / Type**
+内容补充 / 纠错 / 新资源 / 图谱关系 / 页面交互 / lab / 其他：
+
+**建议内容 / Suggestion**
+请尽量说明“为什么这能帮助同行读者更快理解这张图”。
+
+**证据或参考 / Evidence**
+论文链接、视频时间戳、代码位置、截图、复现步骤等：
+
+**贡献标注 / Attribution**
+若建议被采纳并进入卡片、graph、playbook 或 lab，你希望如何被标注？
+
+- GitHub: `@username`
+- 名字 / 机构：
+- 不需要标注：

.github/PULL_REQUEST_TEMPLATE.md

@@ -18,6 +18,7 @@
 - [ ] 所有改动到的 lab 在本地用 `LLM_BACKEND=mock` 跑过 `nbconvert --execute`
 - [ ] 卡片新增 / 修改时同步更新了 `concepts.md` / playbook（如相关）
 - [ ] 对外链接尽量是**深度锚**（PDF `#page=N`、YouTube `&t=Xs` 等）
+- [ ] 采纳外部建议时已在相关卡片加入 `contributors: [...]`，或说明不需要标注
 
 ## 备注 / Notes
 （截图、性能数字、与 [`AGENTS.md`](../AGENTS.md) 的对照说明等）

AGENTS.md

@@ -22,6 +22,7 @@ This repo is a public, opinionated, bilingual learning atlas. Anyone (human or a
 3. Add the node + at least one edge to docs/data/graph.json.
 4. Run python tools/validate_graph.py and python tools/check_links.py.
 5. If the card has a matching lab, add labs/labXX_*.ipynb and ensure it passes nbconvert --execute with the Mock LLM backend.
+6. If an accepted issue or outside review materially shaped the change, add contributors: ["@github-handle"] to the card front matter unless the contributor declined attribution.
 
 ## Lab conventions
 

CONTRIBUTING.md

@@ -0,0 +1,25 @@
+# Contributing
+
+This atlas grows best when feedback stays reviewable, discussable, and traceable.
+
+## Feedback flow
+
+1. Open an issue with the `Atlas feedback` template for ideas, corrections, missing resources, graph-edge suggestions, or UX problems.
+2. The maintainer triages the issue: accept, ask for evidence, merge into an existing thread, or close as out of scope.
+3. Accepted ideas become a short-lived branch and pull request.
+4. The PR updates the relevant card, `docs/data/graph.json`, playbook, lab, or site code.
+5. If the contributor wants attribution, add them to the card front matter with `contributors: [@github-handle]`.
+
+## Contributor attribution
+
+Use `contributors` for people whose suggestion or review materially shaped a card or expansion:
+
+```yaml
+contributors: ["@alice", "@bob"]
+```
+
+The live site renders this field on the card. GitHub PR authorship remains the source of truth for code changes.
+
+## Why issues, not a raw suggestions folder?
+
+Issues are better for intake because visitors do not need write access, discussion is threaded, labels make triage visible, and accepted work can close the issue from a PR. The repo still keeps the durable result: updated cards, graph edges, playbooks, labs, and contributor metadata.

README.md

@@ -109,8 +109,10 @@ Autonomous-Driving-Learning-Atlas/
 
 ## 贡献 / Contributing
 
+- 有想法、纠错、资源推荐或页面体验问题，优先开 [Atlas feedback issue](https://github.com/ChatGPU/Autonomous-Driving-Learning-Atlas/issues/new/choose)；这样讨论、证据、状态和后续 PR 都能追踪。
 - 修补深度链接、补充新概念、加 lab 都欢迎，请走 PR；CI 会校验图谱完整性 & lab 可跑性。
-- 在 [Discussions](https://github.com/ChatGPU/Autonomous-Driving-Learning-Atlas/discussions) 里提议要新增的论文或 playbook。
+- 采纳后的实质贡献可在对应卡片 front matter 里加入 `contributors: ["@github-handle"]`，页面会自动显示贡献标注。
+- 更完整的流程见 [`CONTRIBUTING.md`](CONTRIBUTING.md)。
 
 ## 引用 / Citation