chore: vendor sglang v0.5.10 snapshot

third_party/sglang/.github/ISSUE_TEMPLATE/1-bug-report.yml

@@ -0,0 +1,35 @@
+name: 🐞 Bug report
+description: Report a bug to help us reproduce and fix it.
+title: "[Bug] "
+labels: ['Bug']
+
+body:
+- type: checkboxes
+  attributes:
+    label: Checklist
+    options:
+      - label: I searched related issues but found no solution.
+      - label: The bug persists in the latest version.
+      - label: Issues without environment info and a minimal reproducible demo are hard to resolve and may receive no feedback.
+      - label: If this is not a bug report but a general question, please start a discussion at https://github.com/sgl-project/sglang/discussions. Otherwise, it will be closed.
+      - label: Please use English. Otherwise, it will be closed.
+- type: textarea
+  attributes:
+    label: Describe the bug
+    description: A clear, concise description of the bug.
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: Reproduction
+    description: Command/script run and model used.
+    placeholder: Paste the command here.
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: Environment
+    description: Run `python3 -m sglang.check_env` and paste output here. Issues without this will be closed.
+    placeholder: Paste environment output here.
+  validations:
+    required: true

third_party/sglang/.github/ISSUE_TEMPLATE/2-feature-request.yml

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+name: 🚀 Feature request
+description: Suggest an idea for this project
+title: "[Feature] "
+
+body:
+- type: checkboxes
+  attributes:
+    label: Checklist
+    options:
+      - label: If this is not a feature request but a general question, please start a discussion at https://github.com/sgl-project/sglang/discussions. Otherwise, it will be closed.
+      - label: Please use English. Otherwise, it will be closed.
+- type: textarea
+  attributes:
+    label: Motivation
+    description: |
+      Clearly and concisely describe the feature's motivation.
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: Related resources
+    description: |
+      Provide official releases or third-party implementations if available.