Seeded claude design

scripts/check-changelog.mjs

@@ -0,0 +1,29 @@
+#!/usr/bin/env node
+// Verify that CHANGELOG.md gained at least one entry under [Unreleased]
+// or that a [vX.Y.Z] block was added since main. Fails CI if not.
+//
+// Skip with the PR label `no-changelog` for trivial doc-only changes.
+
+import { execSync } from "node:child_process";
+import { readFileSync } from "node:fs";
+
+const base = process.env.GITHUB_BASE_REF || "main";
+let diff;
+try {
+  execSync(`git fetch --no-tags --depth=50 origin ${base}`, { stdio: "ignore" });
+  diff = execSync(`git diff --unified=0 origin/${base}...HEAD -- CHANGELOG.md`).toString();
+} catch (err) {
+  console.error("Could not diff CHANGELOG.md:", err.message);
+  process.exit(1);
+}
+
+const additions = diff.split("\n").filter(l => l.startsWith("+") && !l.startsWith("+++"));
+const meaningful = additions.filter(l => l.replace(/^\+/, "").trim().length > 0 && !l.includes("Unreleased"));
+
+if (meaningful.length === 0) {
+  console.error("CHANGELOG.md has no new entries on this PR.");
+  console.error("Either add an entry under [Unreleased], or label this PR `no-changelog`.");
+  process.exit(1);
+}
+
+console.log(`OK — ${meaningful.length} CHANGELOG line(s) added.`);

scripts/extract-release-notes.mjs

@@ -0,0 +1,22 @@
+#!/usr/bin/env node
+// Print the CHANGELOG slice for a given tag to stdout.
+// Used by the release workflow to attach release notes.
+
+import { readFileSync } from "node:fs";
+
+const tag = process.argv[2];
+if (!tag) {
+  console.error("Usage: extract-release-notes.mjs vX.Y.Z");
+  process.exit(1);
+}
+
+const version = tag.replace(/^v/, "");
+const changelog = readFileSync("CHANGELOG.md", "utf8");
+const re = new RegExp(`## \\[${version.replace(/\./g, "\\.")}\\][\\s\\S]*?(?=\\n## \\[|$)`, "m");
+const m = changelog.match(re);
+
+if (!m) {
+  console.error(`No CHANGELOG section found for [${version}].`);
+  process.exit(1);
+}
+process.stdout.write(m[0].trim() + "\n");