feat: add a plugin sdk changelog and tag sdk releases, release 1.0.2

scripts/check-changelog.cjs

@@ -9,11 +9,23 @@ if (!fs.existsSync(sdk)) {
   process.exit(1);
 }
 
-const { parseChangelog } = require(sdk);
-const { problems } = parseChangelog(
-  fs.readFileSync(path.join(root, "CHANGELOG.md"), "utf8"),
+const { parseChangelog, validateChangelog } = require(sdk);
+const read = (file) => fs.readFileSync(path.join(root, file), "utf8");
+
+const problems = parseChangelog(read("CHANGELOG.md")).problems.map(
+  (problem) => `CHANGELOG.md: ${problem}`,
 );
+
+// The SDK is published on its own, so its newest release has to be the package version.
+const sdkVersion = JSON.parse(read("packages/plugin-sdk/package.json")).version;
+problems.push(
+  ...validateChangelog(
+    read("packages/plugin-sdk/CHANGELOG.md"),
+    sdkVersion,
+  ).map((problem) => `packages/plugin-sdk/CHANGELOG.md: ${problem}`),
+);
+
 if (problems.length > 0) {
-  for (const problem of problems) console.error(`  CHANGELOG.md: ${problem}`);
+  for (const problem of problems) console.error(`  ${problem}`);
   process.exit(1);
 }

scripts/plugin-changelog.test.ts

@@ -9,11 +9,6 @@ import {
 const FILE = [
   "# Changelog",
   "",
-  "## Unreleased",
-  "",
-  "### Fixed",
-  "- A bug not shipped yet",
-  "",
   "## 1.1.0 - 2026-10-06",
   "",
   "Second release.",
@@ -34,12 +29,9 @@ const FILE = [
 ].join("\n");
 
 describe("parseChangelog", () => {
-  it("reads releases, summaries, sections and unreleased changes", () => {
+  it("reads releases, summaries and sections", () => {
     const { changelog, problems } = parseChangelog(FILE);
     expect(problems).toEqual([]);
-    expect(changelog.unreleased).toEqual([
-      { type: "fixed", text: "A bug not shipped yet" },
-    ]);
     expect(changelog.releases).toEqual([
       {
         version: "1.1.0",
@@ -104,12 +96,19 @@ describe("parseChangelog", () => {
     );
   });
 
-  it("flags a release with no changes and Unreleased out of place", () => {
-    const { problems } = parseChangelog(
-      "## 1.0.0\n\nJust a summary.\n\n## Unreleased\n### Added\n- x\n",
-    );
+  it("flags a release with no changes", () => {
+    const { problems } = parseChangelog("## 1.0.0\n\nJust a summary.\n");
     expect(problems).toContain("1.0.0 has no changes listed");
-    expect(problems).toContain('"## Unreleased" has to come first');
+  });
+
+  it("flags an Unreleased section", () => {
+    const { changelog, problems } = parseChangelog(
+      "## Unreleased\n### Added\n- x\n\n## 1.0.0\n### Added\n- y\n",
+    );
+    expect(problems).toEqual([
+      'line 1: drop "## Unreleased", notes go under the version they ship in',
+    ]);
+    expect(changelog.releases.map((r) => r.version)).toEqual(["1.0.0"]);
   });
 
   it("ignores headings inside code fences", () => {