feat(devcontainer): add Claude Code extension and VS Code marketplace URLs

- Add anthropic.claude-code extension to default extensions list
- Allow VS Code marketplace URLs in firewall configuration:
  - marketplace.visualstudio.com (marketplace API)
  - vscode.blob.core.windows.net (extension downloads)
  - update.code.visualstudio.com (VS Code updates/metadata)

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.claude/commands/dedupe.md

@@ -28,9 +28,10 @@ Found 3 possible duplicate issues:
 2. <link to issue>
 3. <link to issue>
 
-If your issue is a duplicate, please close it and 👍 the existing issue instead.
+This issue will be automatically closed as a duplicate in 3 days.
 
-<sub>This issue will be automatically closed as a duplicate in 3 days if there are no additional comments. To prevent auto-closure, please 👎 this comment.</sub>
+- If your issue is a duplicate, please close it and 👍 the existing issue instead
+- To prevent auto-closure, add a comment or 👎 this comment
 
 🤖 Generated with [Claude Code](https://claude.ai/code)
 

.devcontainer/Dockerfile

@@ -65,8 +65,8 @@ ENV PATH=$PATH:/usr/local/share/npm-global/bin
 ENV SHELL=/bin/zsh
 
 # Set the default editor and visual
-ENV EDITOR nano
-ENV VISUAL nano
+ENV EDITOR=nano
+ENV VISUAL=nano
 
 # Default powerline10k theme
 ARG ZSH_IN_DOCKER_VERSION=1.2.0

.devcontainer/devcontainer.json

@@ -16,6 +16,7 @@
   "customizations": {
     "vscode": {
       "extensions": [
+        "anthropic.claude-code",
         "dbaeumer.vscode-eslint",
         "esbenp.prettier-vscode",
         "eamodio.gitlens"
@@ -51,5 +52,6 @@
   },
   "workspaceMount": "source=${localWorkspaceFolder},target=/workspace,type=bind,consistency=delegated",
   "workspaceFolder": "/workspace",
-  "postCreateCommand": "sudo /usr/local/bin/init-firewall.sh"
+  "postStartCommand": "sudo /usr/local/bin/init-firewall.sh",
+  "waitFor": "postStartCommand"
 }

.devcontainer/init-firewall.sh

@@ -69,9 +69,12 @@ for domain in \
     "api.anthropic.com" \
     "sentry.io" \
     "statsig.anthropic.com" \
-    "statsig.com"; do
+    "statsig.com" \
+    "marketplace.visualstudio.com" \
+    "vscode.blob.core.windows.net" \
+    "update.code.visualstudio.com"; do
     echo "Resolving $domain..."
-    ips=$(dig +short A "$domain")
+    ips=$(dig +noall +answer A "$domain" | awk '$4 == "A" {print $5}')
     if [ -z "$ips" ]; then
         echo "ERROR: Failed to resolve $domain"
         exit 1
@@ -113,6 +116,9 @@ iptables -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
 # Then allow only specific outbound traffic to allowed domains
 iptables -A OUTPUT -m set --match-set allowed-domains dst -j ACCEPT
 
+# Explicitly REJECT all other outbound traffic for immediate feedback
+iptables -A OUTPUT -j REJECT --reject-with icmp-admin-prohibited
+
 echo "Firewall configuration complete"
 echo "Verifying firewall rules..."
 if curl --connect-timeout 5 https://example.com >/dev/null 2>&1; then

.github/workflows/auto-close-duplicates.yml

@@ -1,8 +1,9 @@
-name: Auto-close duplicate issues (DRY RUN)
-description: Dry run - logs issues that would be auto-closed as duplicates after 3 days if no response
+name: Auto-close duplicate issues
+description: Auto-closes issues that are duplicates of existing issues
 on:
   schedule:
-    - cron: '0 9 * * *'
+    - cron: "0 9 * * *"
+  workflow_dispatch:
 
 jobs:
   auto-close-duplicates:
@@ -13,66 +14,18 @@ jobs:
       issues: write
 
     steps:
-      - name: Auto-close duplicate issues
-        uses: actions/github-script@v7
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
         with:
-          script: |
-            const threeDaysAgo = new Date();
-            threeDaysAgo.setDate(threeDaysAgo.getDate() - 3);
-            
-            // Get all open issues
-            const { data: issues } = await github.rest.issues.listForRepo({
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-              state: 'open',
-              per_page: 100
-            });
-            
-            for (const issue of issues) {
-              // Get comments for this issue
-              const { data: comments } = await github.rest.issues.listComments({
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                issue_number: issue.number
-              });
-              
-              // Find duplicate comments (look for "Found 1 possible duplicate" or "Found X possible duplicate")
-              const dupeComments = comments.filter(comment => 
-                comment.body.includes('Found') && 
-                comment.body.includes('possible duplicate') &&
-                comment.user.type === 'Bot'
-              );
-              
-              if (dupeComments.length === 0) continue;
-              
-              // Get the most recent duplicate comment
-              const lastDupeComment = dupeComments[dupeComments.length - 1];
-              const dupeCommentDate = new Date(lastDupeComment.created_at);
-              
-              // Check if the duplicate comment is 3+ days old
-              if (dupeCommentDate > threeDaysAgo) continue;
-              
-              // Check if there are any comments after the duplicate comment
-              const commentsAfterDupe = comments.filter(comment => 
-                new Date(comment.created_at) > dupeCommentDate
-              );
-              
-              if (commentsAfterDupe.length > 0) continue;
-              
-              // Check if issue author reacted with thumbs down to the duplicate comment
-              const { data: reactions } = await github.rest.reactions.listForIssueComment({
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                comment_id: lastDupeComment.id
-              });
-              
-              const authorThumbsDown = reactions.some(reaction => 
-                reaction.user.id === issue.user.id && reaction.content === '-1'
-              );
-              
-              if (authorThumbsDown) continue;
-              
-              // DRY RUN: Log the issue that would be auto-closed
-              const issueUrl = `https://github.com/${context.repo.owner}/${context.repo.repo}/issues/${issue.number}`;
-              console.log(`[DRY RUN] Would auto-close issue #${issue.number} as duplicate: ${issueUrl}`);
-            }
+          bun-version: latest
+
+      - name: Auto-close duplicate issues
+        run: bun run scripts/auto-close-duplicates.ts
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_REPOSITORY_OWNER: ${{ github.repository_owner }}
+          GITHUB_REPOSITORY_NAME: ${{ github.event.repository.name }}
+          STATSIG_API_KEY: ${{ secrets.STATSIG_API_KEY }}

.github/workflows/backfill-duplicate-comments.yml

@@ -0,0 +1,44 @@
+name: Backfill Duplicate Comments
+description: Triggers duplicate detection for old issues that don't have duplicate comments
+
+on:
+  workflow_dispatch:
+    inputs:
+      days_back:
+        description: 'How many days back to look for old issues'
+        required: false
+        default: '90'
+        type: string
+      dry_run:
+        description: 'Dry run mode (true to only log what would be done)'
+        required: false
+        default: 'true'
+        type: choice
+        options:
+          - 'true'
+          - 'false'
+
+jobs:
+  backfill-duplicate-comments:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    permissions:
+      contents: read
+      issues: read
+      actions: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: latest
+      
+      - name: Backfill duplicate comments
+        run: bun run scripts/backfill-duplicate-comments.ts
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          DAYS_BACK: ${{ inputs.days_back }}
+          DRY_RUN: ${{ inputs.dry_run }}

.github/workflows/claude-dedupe-issues.yml

@@ -3,6 +3,12 @@ description: Automatically dedupe GitHub issues using Claude Code
 on:
   issues:
     types: [opened]
+  workflow_dispatch:
+    inputs:
+      issue_number:
+        description: 'Issue number to process for duplicate detection'
+        required: true
+        type: string
 
 jobs:
   claude-dedupe-issues:
@@ -19,7 +25,56 @@ jobs:
       - name: Run Claude Code slash command
         uses: anthropics/claude-code-base-action@beta
         with:
-          prompt: "/dedupe ${{ github.repository }}/issues/${{ github.event.issue.number }}"
+          prompt: "/dedupe ${{ github.repository }}/issues/${{ github.event.issue.number || inputs.issue_number }}"
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
           claude_env: |
             GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Log duplicate comment event to Statsig
+        if: always()
+        env:
+          STATSIG_API_KEY: ${{ secrets.STATSIG_API_KEY }}
+        run: |
+          ISSUE_NUMBER=${{ github.event.issue.number || inputs.issue_number }}
+          REPO=${{ github.repository }}
+          
+          if [ -z "$STATSIG_API_KEY" ]; then
+            echo "STATSIG_API_KEY not found, skipping Statsig logging"
+            exit 0
+          fi
+          
+          # Prepare the event payload
+          EVENT_PAYLOAD=$(jq -n \
+            --arg issue_number "$ISSUE_NUMBER" \
+            --arg repo "$REPO" \
+            --arg triggered_by "${{ github.event_name }}" \
+            '{
+              events: [{
+                eventName: "github_duplicate_comment_added",
+                value: 1,
+                metadata: {
+                  repository: $repo,
+                  issue_number: ($issue_number | tonumber),
+                  triggered_by: $triggered_by,
+                  workflow_run_id: "${{ github.run_id }}"
+                },
+                time: (now | floor | tostring)
+              }]
+            }')
+          
+          # Send to Statsig API
+          echo "Logging duplicate comment event to Statsig for issue #${ISSUE_NUMBER}"
+          
+          RESPONSE=$(curl -s -w "\n%{http_code}" -X POST https://events.statsigapi.net/v1/log_event \
+            -H "Content-Type: application/json" \
+            -H "STATSIG-API-KEY: ${STATSIG_API_KEY}" \
+            -d "$EVENT_PAYLOAD")
+          
+          HTTP_CODE=$(echo "$RESPONSE" | tail -n1)
+          BODY=$(echo "$RESPONSE" | head -n-1)
+          
+          if [ "$HTTP_CODE" -eq 200 ] || [ "$HTTP_CODE" -eq 202 ]; then
+            echo "Successfully logged duplicate comment event for issue #${ISSUE_NUMBER}"
+          else
+            echo "Failed to log duplicate comment event for issue #${ISSUE_NUMBER}. HTTP ${HTTP_CODE}: ${BODY}"
+          fi

.github/workflows/lock-closed-issues.yml

@@ -13,16 +13,80 @@ concurrency:
   group: lock-threads
 
 jobs:
-  lock-threads:
+  lock-closed-issues:
     runs-on: ubuntu-latest
     steps:
-      - uses: dessant/lock-threads@1bf7ec25051fe7c00bdd17e6a7cf3d7bfb7dc771 # v5.0.1
+      - name: Lock closed issues after 7 days of inactivity
+        uses: actions/github-script@v7
         with:
-          issue-inactive-days: "7"
-          process-only: "issues"
-          log-output: true
-          issue-comment: >
-            This issue has been automatically locked since it was
-            closed and has not had any activity for 7 days.
-            If you're experiencing a similar issue, please file a new issue
-            and reference this one if it's relevant.
+          script: |
+            const sevenDaysAgo = new Date();
+            sevenDaysAgo.setDate(sevenDaysAgo.getDate() - 7);
+
+            const lockComment = `This issue has been automatically locked since it was closed and has not had any activity for 7 days. If you're experiencing a similar issue, please file a new issue and reference this one if it's relevant.`;
+
+            let page = 1;
+            let hasMore = true;
+            let totalLocked = 0;
+
+            while (hasMore) {
+              // Get closed issues (pagination)
+              const { data: issues } = await github.rest.issues.listForRepo({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                state: 'closed',
+                sort: 'updated',
+                direction: 'asc',
+                per_page: 100,
+                page: page
+              });
+              
+              if (issues.length === 0) {
+                hasMore = false;
+                break;
+              }
+              
+              for (const issue of issues) {
+                // Skip if already locked
+                if (issue.locked) continue;
+                
+                // Skip pull requests
+                if (issue.pull_request) continue;
+                
+                // Check if updated more than 7 days ago
+                const updatedAt = new Date(issue.updated_at);
+                if (updatedAt > sevenDaysAgo) {
+                  // Since issues are sorted by updated_at ascending, 
+                  // once we hit a recent issue, all remaining will be recent too
+                  hasMore = false;
+                  break;
+                }
+                
+                try {
+                  // Add comment before locking
+                  await github.rest.issues.createComment({
+                    owner: context.repo.owner,
+                    repo: context.repo.repo,
+                    issue_number: issue.number,
+                    body: lockComment
+                  });
+                  
+                  // Lock the issue
+                  await github.rest.issues.lock({
+                    owner: context.repo.owner,
+                    repo: context.repo.repo,
+                    issue_number: issue.number,
+                    lock_reason: 'resolved'
+                  });
+                  
+                  totalLocked++;
+                  console.log(`Locked issue #${issue.number}: ${issue.title}`);
+                } catch (error) {
+                  console.error(`Failed to lock issue #${issue.number}: ${error.message}`);
+                }
+              }
+              
+              page++;
+            }
+
+            console.log(`Total issues locked: ${totalLocked}`);

.github/workflows/log-issue-events.yml

@@ -0,0 +1,40 @@
+name: Log Issue Events to Statsig
+
+on:
+  issues:
+    types: [opened]
+
+jobs:
+  log-to-statsig:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: read
+    steps:
+      - name: Log issue creation to Statsig
+        env:
+          STATSIG_API_KEY: ${{ secrets.STATSIG_API_KEY }}
+          ISSUE_NUMBER: ${{ github.event.issue.number }}
+          REPO: ${{ github.repository }}
+          ISSUE_TITLE: ${{ github.event.issue.title }}
+          AUTHOR: ${{ github.event.issue.user.login }}
+          CREATED_AT: ${{ github.event.issue.created_at }}
+        run: |
+          # All values are now safely passed via environment variables
+          # No direct templating in the shell script to prevent injection attacks
+          
+          curl -X POST "https://events.statsigapi.net/v1/log_event" \
+            -H "Content-Type: application/json" \
+            -H "statsig-api-key: $STATSIG_API_KEY" \
+            -d '{
+              "events": [{
+                "eventName": "github_issue_created",
+                "metadata": {
+                  "issue_number": "'"$ISSUE_NUMBER"'",
+                  "repository": "'"$REPO"'",
+                  "title": "'"$(echo "$ISSUE_TITLE" | sed "s/\"/\\\\\"/g")"'",
+                  "author": "'"$AUTHOR"'",
+                  "created_at": "'"$CREATED_AT"'"
+                },
+                "time": '"$(date +%s)000"'
+              }]
+            }'

CHANGELOG.md

@@ -1,5 +1,85 @@
 # Changelog
 
+## 1.0.93
+
+- Windows: Add alt + v shortcut for pasting images from clipboard
+
+## 1.0.90
+
+- Settings file changes take effect immediately - no restart required
+
+## 1.0.88
+
+- Fixed issue causing "OAuth authentication is currently not supported"
+- Status line input now includes `exceeds_200k_tokens`
+- Fixed incorrect usage tracking in /cost.
+- Introduced `ANTHROPIC_DEFAULT_SONNET_MODEL` and `ANTHROPIC_DEFAULT_OPUS_MODEL` for controlling model aliases opusplan, opus, and sonnet.
+- Bedrock: Updated default Sonnet model to Sonnet 4
+
+## 1.0.86
+
+- Added /context to help users self-serve debug context issues
+- SDK: Added UUID support for all SDK messages
+- SDK: Added `--replay-user-messages` to replay user messages back to stdout
+
+## 1.0.85
+
+- Status line input now includes session cost info
+- Hooks: Introduced SessionEnd hook
+
+## 1.0.84
+
+- Fix tool_use/tool_result id mismatch error when network is unstable
+- Fix Claude sometimes ignoring real-time steering when wrapping up a task
+- @-mention: Add ~/.claude/\* files to suggestions for easier agent, output style, and slash command editing
+- Use built-in ripgrep by default; to opt out of this behavior, set USE_BUILTIN_RIPGREP=0
+
+## 1.0.83
+
+- @-mention: Support files with spaces in path
+- New shimmering spinner
+
+## 1.0.82
+
+- SDK: Add request cancellation support
+- SDK: New additionalDirectories option to search custom paths, improved slash command processing
+- Settings: Validation prevents invalid fields in .claude/settings.json files
+- MCP: Improve tool name consistency
+- Bash: Fix crash when Claude tries to automatically read large files
+
+## 1.0.81
+
+- Released output styles, including new built-in educational output styles "Explanatory" and "Learning". Docs: https://docs.anthropic.com/en/docs/claude-code/output-styles
+- Agents: Fix custom agent loading when agent files are unparsable
+
+## 1.0.80
+
+- UI improvements: Fix text contrast for custom subagent colors and spinner rendering issues
+
+## 1.0.77
+
+- Bash tool: Fix heredoc and multiline string escaping, improve stderr redirection handling
+- SDK: Add session support and permission denial tracking
+- Fix token limit errors in conversation summarization
+- Opus Plan Mode: New setting in `/model` to run Opus only in plan mode, Sonnet otherwise
+
+## 1.0.73
+
+- MCP: Support multiple config files with `--mcp-config file1.json file2.json`
+- MCP: Press Esc to cancel OAuth authentication flows
+- Bash: Improved command validation and reduced false security warnings
+- UI: Enhanced spinner animations and status line visual hierarchy
+- Linux: Added support for Alpine and musl-based distributions (requires separate ripgrep installation)
+
+## 1.0.72
+
+- Ask permissions: have Claude Code always ask for confirmation to use specific tools with /permissions
+
+## 1.0.71
+
+- Background commands: (Ctrl-b) to run any Bash command in the background so Claude can keep working (great for dev servers, tailing logs, etc.)
+- Customizable status line: add your terminal prompt to Claude Code with /statusline
+
 ## 1.0.70
 
 - Performance: Optimized message rendering for better performance with large contexts

README.md

@@ -24,6 +24,10 @@ npm install -g @anthropic-ai/claude-code
 
 We welcome your feedback. Use the `/bug` command to report issues directly within Claude Code, or file a [GitHub issue](https://github.com/anthropics/claude-code/issues).
 
+## Connect on Discord
+
+Join the [Claude Developers Discord](https://anthropic.com/discord) to connect with other developers using Claude Code. Get help, share feedback, and discuss your projects with the community.
+
 ## Data collection, usage, and retention
 
 When you use Claude Code, we collect feedback, which includes usage data (such as code acceptance or rejections), associated conversation data, and user feedback submitted via the `/bug` command.

Script/run_devcontainer_claude_code.ps1

@@ -40,14 +40,18 @@ Write-Host "Using backend: $($Backend)"
 # --- Prerequisite Check ---
 Write-Host "Checking for required commands..."
 try {
-    Get-Command $Backend -ErrorAction Stop | Out-Null
+    if (-not (Get-Command $Backend -ErrorAction SilentlyContinue)) {
+        throw "Required command '$($Backend)' not found."
+    }
     Write-Host "- $($Backend) command found."
-    Get-Command devcontainer -ErrorAction Stop | Out-Null
+    if (-not (Get-Command devcontainer -ErrorAction SilentlyContinue)) {
+        throw "Required command 'devcontainer' not found."
+    }
     Write-Host "- devcontainer command found."
 }
 catch {
-    Write-Error "A required command is not installed or not in your PATH."
-    Write-Error "Please ensure '$($_.Exception.Message.Split(':')[0])' and 'devcontainer' are installed and accessible."
+    Write-Error "A required command is not installed or not in your PATH. $($_.Exception.Message)"
+    Write-Error "Please ensure both '$Backend' and 'devcontainer' are installed and accessible in your system's PATH."
     exit 1
 }
 

scripts/auto-close-duplicates.ts

@@ -0,0 +1,277 @@
+#!/usr/bin/env bun
+
+declare global {
+  var process: {
+    env: Record<string, string | undefined>;
+  };
+}
+
+interface GitHubIssue {
+  number: number;
+  title: string;
+  user: { id: number };
+  created_at: string;
+}
+
+interface GitHubComment {
+  id: number;
+  body: string;
+  created_at: string;
+  user: { type: string; id: number };
+}
+
+interface GitHubReaction {
+  user: { id: number };
+  content: string;
+}
+
+async function githubRequest<T>(endpoint: string, token: string, method: string = 'GET', body?: any): Promise<T> {
+  const response = await fetch(`https://api.github.com${endpoint}`, {
+    method,
+    headers: {
+      Authorization: `Bearer ${token}`,
+      Accept: "application/vnd.github.v3+json",
+      "User-Agent": "auto-close-duplicates-script",
+      ...(body && { "Content-Type": "application/json" }),
+    },
+    ...(body && { body: JSON.stringify(body) }),
+  });
+
+  if (!response.ok) {
+    throw new Error(
+      `GitHub API request failed: ${response.status} ${response.statusText}`
+    );
+  }
+
+  return response.json();
+}
+
+function extractDuplicateIssueNumber(commentBody: string): number | null {
+  // Try to match #123 format first
+  let match = commentBody.match(/#(\d+)/);
+  if (match) {
+    return parseInt(match[1], 10);
+  }
+  
+  // Try to match GitHub issue URL format: https://github.com/owner/repo/issues/123
+  match = commentBody.match(/github\.com\/[^\/]+\/[^\/]+\/issues\/(\d+)/);
+  if (match) {
+    return parseInt(match[1], 10);
+  }
+  
+  return null;
+}
+
+
+async function closeIssueAsDuplicate(
+  owner: string,
+  repo: string,
+  issueNumber: number,
+  duplicateOfNumber: number,
+  token: string
+): Promise<void> {
+  await githubRequest(
+    `/repos/${owner}/${repo}/issues/${issueNumber}`,
+    token,
+    'PATCH',
+    {
+      state: 'closed',
+      state_reason: 'duplicate',
+      labels: ['duplicate']
+    }
+  );
+
+  await githubRequest(
+    `/repos/${owner}/${repo}/issues/${issueNumber}/comments`,
+    token,
+    'POST',
+    {
+      body: `This issue has been automatically closed as a duplicate of #${duplicateOfNumber}.
+
+If this is incorrect, please re-open this issue or create a new one.
+
+🤖 Generated with [Claude Code](https://claude.ai/code)`
+    }
+  );
+
+}
+
+async function autoCloseDuplicates(): Promise<void> {
+  console.log("[DEBUG] Starting auto-close duplicates script");
+
+  const token = process.env.GITHUB_TOKEN;
+  if (!token) {
+    throw new Error("GITHUB_TOKEN environment variable is required");
+  }
+  console.log("[DEBUG] GitHub token found");
+
+  const owner = process.env.GITHUB_REPOSITORY_OWNER || "anthropics";
+  const repo = process.env.GITHUB_REPOSITORY_NAME || "claude-code";
+  console.log(`[DEBUG] Repository: ${owner}/${repo}`);
+
+  const threeDaysAgo = new Date();
+  threeDaysAgo.setDate(threeDaysAgo.getDate() - 3);
+  console.log(
+    `[DEBUG] Checking for duplicate comments older than: ${threeDaysAgo.toISOString()}`
+  );
+
+  console.log("[DEBUG] Fetching open issues created more than 3 days ago...");
+  const allIssues: GitHubIssue[] = [];
+  let page = 1;
+  const perPage = 100;
+  
+  while (true) {
+    const pageIssues: GitHubIssue[] = await githubRequest(
+      `/repos/${owner}/${repo}/issues?state=open&per_page=${perPage}&page=${page}`,
+      token
+    );
+    
+    if (pageIssues.length === 0) break;
+    
+    // Filter for issues created more than 3 days ago
+    const oldEnoughIssues = pageIssues.filter(issue => 
+      new Date(issue.created_at) <= threeDaysAgo
+    );
+    
+    allIssues.push(...oldEnoughIssues);
+    page++;
+    
+    // Safety limit to avoid infinite loops
+    if (page > 20) break;
+  }
+  
+  const issues = allIssues;
+  console.log(`[DEBUG] Found ${issues.length} open issues`);
+
+  let processedCount = 0;
+  let candidateCount = 0;
+
+  for (const issue of issues) {
+    processedCount++;
+    console.log(
+      `[DEBUG] Processing issue #${issue.number} (${processedCount}/${issues.length}): ${issue.title}`
+    );
+
+    console.log(`[DEBUG] Fetching comments for issue #${issue.number}...`);
+    const comments: GitHubComment[] = await githubRequest(
+      `/repos/${owner}/${repo}/issues/${issue.number}/comments`,
+      token
+    );
+    console.log(
+      `[DEBUG] Issue #${issue.number} has ${comments.length} comments`
+    );
+
+    const dupeComments = comments.filter(
+      (comment) =>
+        comment.body.includes("Found") &&
+        comment.body.includes("possible duplicate") &&
+        comment.user.type === "Bot"
+    );
+    console.log(
+      `[DEBUG] Issue #${issue.number} has ${dupeComments.length} duplicate detection comments`
+    );
+
+    if (dupeComments.length === 0) {
+      console.log(
+        `[DEBUG] Issue #${issue.number} - no duplicate comments found, skipping`
+      );
+      continue;
+    }
+
+    const lastDupeComment = dupeComments[dupeComments.length - 1];
+    const dupeCommentDate = new Date(lastDupeComment.created_at);
+    console.log(
+      `[DEBUG] Issue #${
+        issue.number
+      } - most recent duplicate comment from: ${dupeCommentDate.toISOString()}`
+    );
+
+    if (dupeCommentDate > threeDaysAgo) {
+      console.log(
+        `[DEBUG] Issue #${issue.number} - duplicate comment is too recent, skipping`
+      );
+      continue;
+    }
+    console.log(
+      `[DEBUG] Issue #${
+        issue.number
+      } - duplicate comment is old enough (${Math.floor(
+        (Date.now() - dupeCommentDate.getTime()) / (1000 * 60 * 60 * 24)
+      )} days)`
+    );
+
+    const commentsAfterDupe = comments.filter(
+      (comment) => new Date(comment.created_at) > dupeCommentDate
+    );
+    console.log(
+      `[DEBUG] Issue #${issue.number} - ${commentsAfterDupe.length} comments after duplicate detection`
+    );
+
+    if (commentsAfterDupe.length > 0) {
+      console.log(
+        `[DEBUG] Issue #${issue.number} - has activity after duplicate comment, skipping`
+      );
+      continue;
+    }
+
+    console.log(
+      `[DEBUG] Issue #${issue.number} - checking reactions on duplicate comment...`
+    );
+    const reactions: GitHubReaction[] = await githubRequest(
+      `/repos/${owner}/${repo}/issues/comments/${lastDupeComment.id}/reactions`,
+      token
+    );
+    console.log(
+      `[DEBUG] Issue #${issue.number} - duplicate comment has ${reactions.length} reactions`
+    );
+
+    const authorThumbsDown = reactions.some(
+      (reaction) =>
+        reaction.user.id === issue.user.id && reaction.content === "-1"
+    );
+    console.log(
+      `[DEBUG] Issue #${issue.number} - author thumbs down reaction: ${authorThumbsDown}`
+    );
+
+    if (authorThumbsDown) {
+      console.log(
+        `[DEBUG] Issue #${issue.number} - author disagreed with duplicate detection, skipping`
+      );
+      continue;
+    }
+
+    const duplicateIssueNumber = extractDuplicateIssueNumber(lastDupeComment.body);
+    if (!duplicateIssueNumber) {
+      console.log(
+        `[DEBUG] Issue #${issue.number} - could not extract duplicate issue number from comment, skipping`
+      );
+      continue;
+    }
+
+    candidateCount++;
+    const issueUrl = `https://github.com/${owner}/${repo}/issues/${issue.number}`;
+    
+    try {
+      console.log(
+        `[INFO] Auto-closing issue #${issue.number} as duplicate of #${duplicateIssueNumber}: ${issueUrl}`
+      );
+      await closeIssueAsDuplicate(owner, repo, issue.number, duplicateIssueNumber, token);
+      console.log(
+        `[SUCCESS] Successfully closed issue #${issue.number} as duplicate of #${duplicateIssueNumber}`
+      );
+    } catch (error) {
+      console.error(
+        `[ERROR] Failed to close issue #${issue.number} as duplicate: ${error}`
+      );
+    }
+  }
+
+  console.log(
+    `[DEBUG] Script completed. Processed ${processedCount} issues, found ${candidateCount} candidates for auto-close`
+  );
+}
+
+autoCloseDuplicates().catch(console.error);
+
+// Make it a module
+export {};

scripts/backfill-duplicate-comments.ts

@@ -0,0 +1,198 @@
+#!/usr/bin/env bun
+
+declare global {
+  var process: {
+    env: Record<string, string | undefined>;
+  };
+}
+
+interface GitHubIssue {
+  number: number;
+  title: string;
+  state: string;
+  state_reason?: string;
+  user: { id: number };
+  created_at: string;
+  closed_at?: string;
+}
+
+interface GitHubComment {
+  id: number;
+  body: string;
+  created_at: string;
+  user: { type: string; id: number };
+}
+
+async function githubRequest<T>(endpoint: string, token: string, method: string = 'GET', body?: any): Promise<T> {
+  const response = await fetch(`https://api.github.com${endpoint}`, {
+    method,
+    headers: {
+      Authorization: `Bearer ${token}`,
+      Accept: "application/vnd.github.v3+json",
+      "User-Agent": "backfill-duplicate-comments-script",
+      ...(body && { "Content-Type": "application/json" }),
+    },
+    ...(body && { body: JSON.stringify(body) }),
+  });
+
+  if (!response.ok) {
+    throw new Error(
+      `GitHub API request failed: ${response.status} ${response.statusText}`
+    );
+  }
+
+  return response.json();
+}
+
+async function triggerDedupeWorkflow(
+  owner: string,
+  repo: string,
+  issueNumber: number,
+  token: string,
+  dryRun: boolean = true
+): Promise<void> {
+  if (dryRun) {
+    console.log(`[DRY RUN] Would trigger dedupe workflow for issue #${issueNumber}`);
+    return;
+  }
+
+  await githubRequest(
+    `/repos/${owner}/${repo}/actions/workflows/claude-dedupe-issues.yml/dispatches`,
+    token,
+    'POST',
+    {
+      ref: 'main',
+      inputs: {
+        issue_number: issueNumber.toString()
+      }
+    }
+  );
+}
+
+async function backfillDuplicateComments(): Promise<void> {
+  console.log("[DEBUG] Starting backfill duplicate comments script");
+
+  const token = process.env.GITHUB_TOKEN;
+  if (!token) {
+    throw new Error(`GITHUB_TOKEN environment variable is required
+
+Usage:
+  GITHUB_TOKEN=your_token bun run scripts/backfill-duplicate-comments.ts
+
+Environment Variables:
+  GITHUB_TOKEN - GitHub personal access token with repo and actions permissions (required)
+  DRY_RUN - Set to "false" to actually trigger workflows (default: true for safety)
+  DAYS_BACK - How many days back to look for old issues (default: 90)`);
+  }
+  console.log("[DEBUG] GitHub token found");
+
+  const owner = "anthropics";
+  const repo = "claude-code";
+  const dryRun = process.env.DRY_RUN !== "false";
+  const daysBack = parseInt(process.env.DAYS_BACK || "90", 10);
+  
+  console.log(`[DEBUG] Repository: ${owner}/${repo}`);
+  console.log(`[DEBUG] Dry run mode: ${dryRun}`);
+  console.log(`[DEBUG] Looking back ${daysBack} days`);
+
+  const cutoffDate = new Date();
+  cutoffDate.setDate(cutoffDate.getDate() - daysBack);
+
+  console.log(`[DEBUG] Fetching issues created since ${cutoffDate.toISOString()}...`);
+  const allIssues: GitHubIssue[] = [];
+  let page = 1;
+  const perPage = 100;
+  
+  while (true) {
+    const pageIssues: GitHubIssue[] = await githubRequest(
+      `/repos/${owner}/${repo}/issues?state=all&per_page=${perPage}&page=${page}&since=${cutoffDate.toISOString()}`,
+      token
+    );
+    
+    if (pageIssues.length === 0) break;
+    
+    allIssues.push(...pageIssues);
+    page++;
+    
+    // Safety limit to avoid infinite loops
+    if (page > 100) {
+      console.log("[DEBUG] Reached page limit, stopping pagination");
+      break;
+    }
+  }
+  
+  console.log(`[DEBUG] Found ${allIssues.length} issues from the last ${daysBack} days`);
+
+  let processedCount = 0;
+  let candidateCount = 0;
+  let triggeredCount = 0;
+
+  for (const issue of allIssues) {
+    processedCount++;
+    console.log(
+      `[DEBUG] Processing issue #${issue.number} (${processedCount}/${allIssues.length}): ${issue.title}`
+    );
+
+    console.log(`[DEBUG] Fetching comments for issue #${issue.number}...`);
+    const comments: GitHubComment[] = await githubRequest(
+      `/repos/${owner}/${repo}/issues/${issue.number}/comments`,
+      token
+    );
+    console.log(
+      `[DEBUG] Issue #${issue.number} has ${comments.length} comments`
+    );
+
+    // Look for existing duplicate detection comments (from the dedupe bot)
+    const dupeDetectionComments = comments.filter(
+      (comment) =>
+        comment.body.includes("Found") &&
+        comment.body.includes("possible duplicate") &&
+        comment.user.type === "Bot"
+    );
+
+    console.log(
+      `[DEBUG] Issue #${issue.number} has ${dupeDetectionComments.length} duplicate detection comments`
+    );
+
+    // Skip if there's already a duplicate detection comment
+    if (dupeDetectionComments.length > 0) {
+      console.log(
+        `[DEBUG] Issue #${issue.number} already has duplicate detection comment, skipping`
+      );
+      continue;
+    }
+
+    candidateCount++;
+    const issueUrl = `https://github.com/${owner}/${repo}/issues/${issue.number}`;
+    
+    try {
+      console.log(
+        `[INFO] ${dryRun ? '[DRY RUN] ' : ''}Triggering dedupe workflow for issue #${issue.number}: ${issueUrl}`
+      );
+      await triggerDedupeWorkflow(owner, repo, issue.number, token, dryRun);
+      
+      if (!dryRun) {
+        console.log(
+          `[SUCCESS] Successfully triggered dedupe workflow for issue #${issue.number}`
+        );
+      }
+      triggeredCount++;
+    } catch (error) {
+      console.error(
+        `[ERROR] Failed to trigger workflow for issue #${issue.number}: ${error}`
+      );
+    }
+
+    // Add a delay between workflow triggers to avoid overwhelming the system
+    await new Promise(resolve => setTimeout(resolve, 1000));
+  }
+
+  console.log(
+    `[DEBUG] Script completed. Processed ${processedCount} issues, found ${candidateCount} candidates without duplicate comments, ${dryRun ? 'would trigger' : 'triggered'} ${triggeredCount} workflows`
+  );
+}
+
+backfillDuplicateComments().catch(console.error);
+
+// Make it a module
+export {};