fix: make GitHub releases canonical for release-please (#295)

scripts/release/validate.ts

@@ -1,16 +1,32 @@
 #!/usr/bin/env bun
+import path from "path"
+import { validateReleasePleaseConfig } from "../../src/release/config"
 import { syncReleaseMetadata } from "../../src/release/metadata"
+import { readJson } from "../../src/utils/files"
 
+const releasePleaseConfig = await readJson<{ packages: Record<string, unknown> }>(
+  path.join(process.cwd(), ".github", "release-please-config.json"),
+)
+const configErrors = validateReleasePleaseConfig(releasePleaseConfig)
 const result = await syncReleaseMetadata({ write: false })
 const changed = result.updates.filter((update) => update.changed)
 
-if (changed.length === 0) {
+if (configErrors.length === 0 && changed.length === 0) {
   console.log("Release metadata is in sync.")
   process.exit(0)
 }
 
-console.error("Release metadata drift detected:")
-for (const update of changed) {
-  console.error(`- ${update.path}`)
+if (configErrors.length > 0) {
+  console.error("Release configuration errors detected:")
+  for (const error of configErrors) {
+    console.error(`- ${error}`)
+  }
+}
+
+if (changed.length > 0) {
+  console.error("Release metadata drift detected:")
+  for (const update of changed) {
+    console.error(`- ${update.path}`)
+  }
 }
 process.exit(1)