fix: reduce noise for gh issue view comments

scripts/src/output.ts

@@ -292,6 +292,8 @@ function summarizeEnvelope(envelope: JsonEnvelope<unknown>): Record<string, unkn
     const issueRecord = issue as Record<string, unknown>;
     summary.issue = pickSummary(issueRecord, ["number", "title", "state", "url", "bodyChars", "commentCount"]);
   }
+  const issueCommentsMigration = summarizeIssueCommentsMigration(source);
+  if (issueCommentsMigration !== null) summary.issueCommentsMigration = issueCommentsMigration;
   const pullRequest = source.pullRequest;
   if (typeof pullRequest === "object" && pullRequest !== null) {
     const prRecord = pullRequest as Record<string, unknown>;
@@ -319,6 +321,24 @@ function summarizeArrayCounts(source: Record<string, unknown>): Record<string, n
   return result;
 }
 
+function summarizeIssueCommentsMigration(source: Record<string, unknown>): Record<string, unknown> | null {
+  const command = typeof source.command === "string" ? source.command : null;
+  if (command !== "issue view" && command !== "issue read") return null;
+  const jsonFields = Array.isArray(source.jsonFields) ? source.jsonFields.filter((value): value is string => typeof value === "string") : [];
+  if (!jsonFields.includes("comments")) return null;
+  const compatibility = recordOrNull(source.compatibility);
+  const readCommands = recordOrNull(compatibility?.readCommands);
+  const disclosure = recordOrNull(source.disclosure);
+  const preferredCommand = stringOrNull(compatibility?.preferredCommand)
+    ?? stringOrNull(readCommands?.preferred)
+    ?? stringOrNull(disclosure?.preferredCommand);
+  return {
+    legacyCommentsPath: stringOrNull(compatibility?.commentsPath) ?? ".data.json.comments",
+    preferredCommand,
+    migrationHint: stringOrNull(compatibility?.migrationHint) ?? stringOrNull(disclosure?.migrationHint),
+  };
+}
+
 function summarizeDebugDispatch(source: Record<string, unknown>): Record<string, unknown> | null {
   const dispatch = recordOrNull(source.dispatch);
   const wait = recordOrNull(source.wait);