feat: add sticky_comment input to reduce GitHub comment spam (#211)

* feat: no claude spam

* feat: add silent property

* feat: add silent property

* feat: add silent property

* chore: call me a sticky comment

* chore: applying review comments

* chore: apply review comments

* format

* reword

---------

Co-authored-by: Ashwin Bhat <ashwin@anthropic.com>

src/github/context.ts

@@ -36,6 +36,7 @@ export type ParsedGitHubContext = {
     directPrompt: string;
     baseBranch?: string;
     branchPrefix: string;
+    useStickyComment: boolean;
   };
 };
 
@@ -62,6 +63,7 @@ export function parseGitHubContext(): ParsedGitHubContext {
       directPrompt: process.env.DIRECT_PROMPT ?? "",
       baseBranch: process.env.BASE_BRANCH,
       branchPrefix: process.env.BRANCH_PREFIX ?? "claude/",
+      useStickyComment: process.env.STICKY_COMMENT === "true",
     },
   };
 

src/github/operations/comments/create-initial.ts

@@ -9,6 +9,7 @@ import { appendFileSync } from "fs";
 import { createJobRunLink, createCommentBody } from "./common";
 import {
   isPullRequestReviewCommentEvent,
+  isPullRequestEvent,
   type ParsedGitHubContext,
 } from "../../context";
 import type { Octokit } from "@octokit/rest";
@@ -25,8 +26,39 @@ export async function createInitialComment(
   try {
     let response;
 
-    // Only use createReplyForReviewComment if it's a PR review comment AND we have a comment_id
-    if (isPullRequestReviewCommentEvent(context)) {
+    if (
+      context.inputs.useStickyComment &&
+      context.isPR &&
+      !isPullRequestEvent(context)
+    ) {
+      const comments = await octokit.rest.issues.listComments({
+        owner,
+        repo,
+        issue_number: context.entityNumber,
+      });
+      const existingComment = comments.data.find(
+        (comment) =>
+          comment.user?.login.indexOf("claude[bot]") !== -1 ||
+          comment.body === initialBody,
+      );
+      if (existingComment) {
+        response = await octokit.rest.issues.updateComment({
+          owner,
+          repo,
+          comment_id: existingComment.id,
+          body: initialBody,
+        });
+      } else {
+        // Create new comment if no existing one found
+        response = await octokit.rest.issues.createComment({
+          owner,
+          repo,
+          issue_number: context.entityNumber,
+          body: initialBody,
+        });
+      }
+    } else if (isPullRequestReviewCommentEvent(context)) {
+      // Only use createReplyForReviewComment if it's a PR review comment AND we have a comment_id
       response = await octokit.rest.pulls.createReplyForReviewComment({
         owner,
         repo,