refactor(cli): simplify release topic naming and summary generation

apps/cli/release-topics.ts

@@ -159,17 +159,6 @@ const ET_DAY = new Intl.DateTimeFormat("en-US", {
   month: "short",
   day: "numeric",
 });
-/**
- * The release name: the ET day the topic finished (`September 4, 2026`). The
- * docs changelog titles each entry with it, so the timeline reads by day; the
- * topic itself leads the body's summary sentence.
- */
-const ET_NAME = new Intl.DateTimeFormat("en-US", {
-  timeZone: "America/New_York",
-  month: "long",
-  day: "numeric",
-  year: "numeric",
-});
 
 /** Topic body sections worth carrying into the changelog (skipped while still `TODO`). */
 const NOTES = ["Trigger", "Invariant", "Trap"] as const;
@@ -214,11 +203,10 @@ function render(f: Finished, tag: string, sha: string, files: Map<number, string
 
   // Blume's changelog derives each page's meta description from the opening
   // prose, stripping markdown and line breaks without adding a space — so lead
-  // with one self-contained sentence and keep the fields on one `·` line. The
+  // with one self-contained sentence and keep the fields on one `·` line.
-  // release name is only the date, so the sentence names the topic.
   const when = ET_WHEN.format(new Date(f.finishedAt));
   const summary =
-    `**${topic.title}** finished ${when} ET: all ${f.core.length} core problems closed, ` +
+    `Finished ${when} ET: all ${f.core.length} core problems closed, ` +
     `${onDay.length} ${onDay.length === 1 ? "problem" : "problems"} closed that day.`;
   const fields: string[] = [];
   const scheduled = bodyField(topic.body, "Scheduled");
@@ -281,7 +269,7 @@ for (const f of finished) {
     files.set(Number(lc), [...(files.get(Number(lc)) ?? []), path]);
   }
   const body = render(f, tag, sha, files);
-  const name = ET_NAME.format(new Date(f.finishedAt));
+  const name = topic.title;
 
   if (existing) {
     if (existing.body === body && existing.name === name) {