fix: handle malformed JSONL lines gracefully in post-buffered-inline-comments

Wrap per-line JSON.parse in try-catch so a single truncated/malformed
entry (e.g. from an OOM mid-write) skips with a warning instead of
aborting the entire batch and dropping all comments.

Co-authored-by: vtmocanu <vtmocanu@users.noreply.github.com>

src/entrypoints/post-buffered-inline-comments.ts

@@ -155,7 +155,14 @@ async function main() {
   const comments: BufferedComment[] = raw
     .split("\n")
     .filter(Boolean)
-    .map((line) => JSON.parse(line));
+    .flatMap((line) => {
+      try {
+        return [JSON.parse(line) as BufferedComment];
+      } catch {
+        console.log(`::warning::Skipping malformed JSONL line: ${line.slice(0, 120)}`);
+        return [];
+      }
+    });
 
   if (comments.length === 0) {
     console.log("No buffered inline comments");