diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 674871fa2f6..e0514021577 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -155,7 +155,9 @@ jobs:
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
 
-      - name: Release canary dry run
+      # `release.sh` always executes its Step 2/7 workspace build, even when
+      # `--skip-verify` bypasses the initial verification gate.
+      - name: Release canary dry run via release.sh internal build
         run: |
           git checkout -B master HEAD
           git checkout -- pnpm-lock.yaml
diff --git a/scripts/run-typecheck-build-gaps.mjs b/scripts/run-typecheck-build-gaps.mjs
index f6926e3daab..94ea5622ad3 100644
--- a/scripts/run-typecheck-build-gaps.mjs
+++ b/scripts/run-typecheck-build-gaps.mjs
@@ -49,8 +49,7 @@ function listWorkspacePackages() {
 
 function buildSkipsTypeScript(pkg) {
   const buildScript = pkg.scripts?.build;
-  const typecheckScript = pkg.scripts?.typecheck;
-  if (typeof buildScript !== "string" || typeof typecheckScript !== "string") {
+  if (typeof buildScript !== "string") {
     return false;
   }
 
@@ -58,7 +57,7 @@ function buildSkipsTypeScript(pkg) {
 }
 
 const workspacePackages = listWorkspacePackages();
-const buildGapPackages = workspacePackages
+const buildGapCandidates = workspacePackages
   .filter((workspacePkg) => workspacePkg.path !== repoRoot)
   .map((workspacePkg) => ({
     name: workspacePkg.name,
@@ -66,6 +65,17 @@ const buildGapPackages = workspacePackages
     pkg: readJson(path.join(workspacePkg.path, "package.json")),
   }))
   .filter(({ pkg }) => buildSkipsTypeScript(pkg));
+const packagesMissingTypecheck = buildGapCandidates.filter(
+  ({ pkg }) => typeof pkg.scripts?.typecheck !== "string",
+);
+for (const workspacePkg of packagesMissingTypecheck) {
+  console.warn(
+    `[typecheck:build-gaps] warning: ${workspacePkg.name} has a build script without tsc but no explicit typecheck script.`,
+  );
+}
+const buildGapPackages = buildGapCandidates.filter(
+  ({ pkg }) => typeof pkg.scripts?.typecheck === "string",
+);
 
 console.log(
   `[typecheck:build-gaps] typechecking ${buildGapPackages.length} workspace(s): ${buildGapPackages.map(({ name }) => name).join(", ") || "(none)"}`,