chore: import upstream snapshot with attribution

.github/workflows/claude-answer.yml

@@ -0,0 +1,70 @@
+name: Claude Answer Issue
+
+on:
+  issue_comment:
+    types: [created]
+
+permissions:
+  contents: read
+  issues: write
+  id-token: write
+
+jobs:
+  authorize:
+    if: >-
+      !github.event.issue.pull_request &&
+      contains(github.event.comment.body, '/claude answer')
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check team membership
+        uses: actions/github-script@v8
+        with:
+          github-token: ${{ secrets.ORG_TEAM_READ_TOKEN }}
+          script: |
+            const username = context.payload.comment.user.login;
+            try {
+              const res = await github.rest.teams.getMembershipForUserInOrg({
+                org: 'NVIDIA-NeMo',
+                team_slug: 'speech_team',
+                username,
+              });
+              if (res.data.state !== 'active') {
+                core.setFailed(`${username} is not an active member of NVIDIA Speech Team`);
+              }
+            } catch (e) {
+              core.setFailed(`${username} is not a member of NVIDIA Speech Team`);
+            }
+
+  acknowledge:
+    needs: authorize
+    runs-on: ubuntu-latest
+    steps:
+      - name: Add eyes reaction to comment
+        uses: actions/github-script@v8
+        with:
+          script: |
+            await github.rest.reactions.createForIssueComment({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              comment_id: context.payload.comment.id,
+              content: 'eyes'
+            });
+
+  claude-answer:
+    needs: acknowledge
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: anthropics/claude-code-action@v1
+        env:
+          ANTHROPIC_BASE_URL: ${{ secrets.NVIDIA_INFERENCE_URL }}
+          CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS: "1"
+          DISABLE_PROMPT_CACHING: "1"
+        with:
+          prompt: |
+            You are a helpful assistant for the NeMo repository.
+            Answer the user's question based on the issue description, comments, and the codebase.
+            Be concise and provide code references where relevant.
+            Do NOT make any code changes or create PRs — only answer the question.
+          anthropic_api_key: ${{ secrets.NVIDIA_INFERENCE_KEY }}
+          claude_args: --model "${{ vars.CLAUDE_MODEL }}"