feat(ai-review comment): 集中更新單一審查留言

app/main.js

@@ -1,7 +1,7 @@
 import path from 'path';
 import { GITEA_REPOSITORY, PR_NUMBER, PR_HEAD_BRANCH, PR_BASE_BRANCH, getLLMConfig, FINDINGS_PATH, EXCLUSIONS_PATH } from './config.js';
 import { loadRoles, getRoleIntro } from './roles.js';
-import { getPRDiff, postComment, getCommitMessageBySha, getBotReviewOutcome, shouldSkipBotCommit } from './gitea.js';
+import { getPRDiff, postComment, updateComment, getCommitMessageBySha, getBotReviewOutcome, shouldSkipBotCommit } from './gitea.js';
 import { analyzeWithRole, loadOldFindings, mergeFindings, sortByLevel, deduplicateWithAI, loadExclusions, applyExclusions, filterFalsePositivesWithAI } from './findings.js';
 import { saveFindings, postOldFindingsComment, postNewNonCriticalComment, postNewCriticalComments } from './comments.js';
 import { cloneRepo, commitAndPush, getRepoState } from './git.js';
@@ -63,9 +63,22 @@ async function main() {
     process.exit(0);
   }
 
+  let reviewComment = null;
+  let reviewCommentBody = getRoleIntro(roles) + `\n\n> 🔍 服務：${provider}  模型：${model}`;
+  const appendReviewComment = async (body) => {
+    if (!body) return null;
+    if (!reviewComment?.id) {
+      reviewCommentBody = body;
+      reviewComment = await postComment(reviewCommentBody);
+      return reviewComment;
+    }
+    reviewCommentBody += `\n\n---\n\n${body}`;
+    reviewComment = await updateComment(reviewComment.id, reviewCommentBody);
+    return reviewComment;
+  };
+
   try {
-    const intro = getRoleIntro(roles) + `\n\n> 🔍 服務：${provider}  模型：${model}`;
-    await postComment(intro);
+    reviewComment = await postComment(reviewCommentBody);
     ok('角色介紹 comment 發布成功');
   } catch (e) {
     warn(`comment 發布失敗（繼續執行）: ${e.message}`);
@@ -111,9 +124,9 @@ async function main() {
   const reviewDir = repoDir || WORKSPACE;
   saveFindings(WORKSPACE, filtered, reviewDir);
   try {
-    await postOldFindingsComment(filtered);
-    await postNewNonCriticalComment(filtered);
-    await postNewCriticalComments(filtered);
+    await postOldFindingsComment(filtered, { postIssue: appendReviewComment });
+    await postNewNonCriticalComment(filtered, { postIssue: appendReviewComment });
+    await postNewCriticalComments(filtered, { postInline: null, postIssue: appendReviewComment });
     ok('Step5 完成');
   } catch (e) {
     warn(`comment 發布失敗（繼續執行）: ${e.message}`);