feat: add automated PR comments for build artifacts (#1099)

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

.github/workflows/artifact-comment.yml

@@ -0,0 +1,124 @@
+name: 📝 Artifact Comment on PR
+
+concurrency:
+  group: artifact-comment-${{ github.event.workflow_run.head_branch }}
+  cancel-in-progress: true
+
+on:
+  workflow_run:
+    workflows: ["🤖 iOS IPA Build (Phone + TV)", "🤖 Android APK Build (Phone + TV)"]
+    types:
+      - completed
+
+jobs:
+  comment-artifacts:
+    if: github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success'
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: write
+      actions: read
+
+    steps:
+      - name: 🔍 Get PR and Artifacts
+        uses: actions/github-script@v8
+        with:
+          script: |
+            // Find PR associated with this commit
+            const { data: pullRequests } = await github.rest.repos.listPullRequestsAssociatedWithCommit({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              commit_sha: "${{ github.event.workflow_run.head_sha }}"
+            });
+            
+            if (pullRequests.length === 0) {
+              core.setFailed('No pull request found for this commit');
+              return;
+            }
+            
+            const pr = pullRequests[0];
+            const runId = "${{ github.event.workflow_run.id }}";
+            
+            // Get artifacts from the workflow run
+            const { data: artifacts } = await github.rest.actions.listWorkflowRunArtifacts({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              run_id: runId
+            });
+            
+            if (artifacts.artifacts.length === 0) {
+              console.log('No artifacts found for this run');
+              return;
+            }
+            
+            // Sort and categorize artifacts
+            const androidArtifacts = artifacts.artifacts
+              .filter(a => a.name.includes('android'))
+              .sort((a, b) => a.name.localeCompare(b.name));
+            const iosArtifacts = artifacts.artifacts
+              .filter(a => a.name.includes('ios'))
+              .sort((a, b) => a.name.localeCompare(b.name));
+            
+            // Build comment body with table format
+            let commentBody = `## 📱 Build Artifacts Ready!\n\n`;
+            commentBody += `✅ **Workflow completed successfully** for PR #${pr.number}\n`;
+            commentBody += `📦 **${artifacts.artifacts.length} artifacts** generated from commit [\`${pr.head.sha.substring(0, 7)}\`](https://github.com/${context.repo.owner}/${context.repo.repo}/commit/${pr.head.sha})\n\n`;
+            
+            // Create table for better organization
+            commentBody += `| Platform | Device Type | Download Link |\n`;
+            commentBody += `|----------|-------------|---------------|\n`;
+            
+            // Add Android artifacts
+            androidArtifacts.forEach(artifact => {
+              const isTV = artifact.name.includes('tv');
+              const deviceType = isTV ? '📺 Android TV' : '📱 Android Phone';
+              const nightlyLink = `https://nightly.link/${context.repo.owner}/${context.repo.repo}/actions/runs/${runId}/${artifact.name}.zip`;
+              commentBody += `| 🤖 Android | ${deviceType} | [📥 Download APK](${nightlyLink}) |\n`;
+            });
+            
+            // Add iOS artifacts
+            iosArtifacts.forEach(artifact => {
+              const isTV = artifact.name.includes('tv');
+              const deviceType = isTV ? '📺 Apple TV' : '📱 iPhone/iPad';
+              const nightlyLink = `https://nightly.link/${context.repo.owner}/${context.repo.repo}/actions/runs/${runId}/${artifact.name}.zip`;
+              commentBody += `| 🍎 iOS | ${deviceType} | [📥 Download IPA](${nightlyLink}) |\n`;
+            });
+            
+            commentBody += `\n`;
+            commentBody += `### 🔧 Installation Instructions\n\n`;
+            commentBody += `- **Android APK**: Download and install directly on your device (enable "Install from unknown sources")\n`;
+            commentBody += `- **iOS IPA**: Install using [AltStore](https://altstore.io/), [Sideloadly](https://sideloadly.io/), or Xcode\n\n`;
+            commentBody += `> ⚠️ **Note**: Artifacts expire in 7 days from build date\n\n`;
+            commentBody += `<sub>*Auto-generated by [GitHub Actions](${context.payload.workflow_run.html_url})*</sub>`;
+            
+            // Find existing bot comment to update
+            const { data: comments } = await github.rest.issues.listComments({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: pr.number
+            });
+            
+            const botComment = comments.find(comment => 
+              comment.user.type === 'Bot' && 
+              comment.body.includes('Build Artifacts Ready!')
+            );
+            
+            if (botComment) {
+              // Update existing comment
+              await github.rest.issues.updateComment({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                comment_id: botComment.id,
+                body: commentBody
+              });
+              console.log(`✅ Updated comment ${botComment.id} on PR #${pr.number}`);
+            } else {
+              // Create new comment
+              await github.rest.issues.createComment({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                issue_number: pr.number,
+                body: commentBody
+              });
+              console.log(`✅ Created new comment on PR #${pr.number}`);
+            }