fix: resolve typecheck/build ordering in CI

.github/workflows/ci.yml

@@ -51,9 +51,13 @@ jobs:
             echo "→ Source files changed; full pipeline will run."
           fi
 
-  # ── Type-check ───────────────────────────────────────────────────────────────
-  typecheck:
-    name: Type check
+  # ── Build + Type-check ────────────────────────────────────────────────────────
+  # Typecheck runs *after* build so that cross-package .d.ts files generated by
+  # the build step are available when tsc resolves workspace dependencies.
+  # (Running typecheck before build caused "Cannot find module" errors for
+  # packages whose 'types' field points to dist/index.d.ts — see issue #41.)
+  build:
+    name: Build & Type check
     needs: scope
     if: needs.scope.outputs.docs_only != 'true'
     runs-on: ubuntu-latest
@@ -66,32 +70,15 @@ jobs:
 
       - uses: pnpm/action-setup@v4
 
-      - name: Install dependencies
-        run: pnpm install --frozen-lockfile
-
-      - name: Type check
-        run: pnpm typecheck
-
-  # ── Build ─────────────────────────────────────────────────────────────────────
-  build:
-    name: Build
-    needs: typecheck
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 20
-
-      - uses: pnpm/action-setup@v4
-
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
 
       - name: Build
         run: pnpm build
 
+      - name: Type check
+        run: pnpm typecheck
+
       # Cache build artifacts for the test job
       - name: Upload build artifacts
         uses: actions/upload-artifact@v4