diff --git a/examples/README.md b/examples/README.md
new file mode 100644
index 0000000..e97ec5e
--- /dev/null
+++ b/examples/README.md
@@ -0,0 +1,3 @@
+# diffuser Example Flows
+
+Placeholder structure.
diff --git a/examples/basic.flow.json b/examples/basic.flow.json
new file mode 100644
index 0000000..fdd8be5
--- /dev/null
+++ b/examples/basic.flow.json
@@ -0,0 +1,3 @@
+[
+  {"id":"diffuser_basic_tab","type":"tab","label":"diffuser basic","disabled":false,"info":"placeholder"}
+]
diff --git a/examples/edge.flow.json b/examples/edge.flow.json
new file mode 100644
index 0000000..a4e2a40
--- /dev/null
+++ b/examples/edge.flow.json
@@ -0,0 +1,3 @@
+[
+  {"id":"diffuser_edge_tab","type":"tab","label":"diffuser edge","disabled":false,"info":"placeholder"}
+]
diff --git a/examples/integration.flow.json b/examples/integration.flow.json
new file mode 100644
index 0000000..65bcc06
--- /dev/null
+++ b/examples/integration.flow.json
@@ -0,0 +1,3 @@
+[
+  {"id":"diffuser_integration_tab","type":"tab","label":"diffuser integration","disabled":false,"info":"placeholder"}
+]
diff --git a/test/README.md b/test/README.md
new file mode 100644
index 0000000..cc7f1fd
--- /dev/null
+++ b/test/README.md
@@ -0,0 +1,3 @@
+# diffuser Test Suite Layout
+
+Placeholder structure (diffuser currently has no runtime module files).
diff --git a/test/basic/structure-placeholder.basic.test.js b/test/basic/structure-placeholder.basic.test.js
new file mode 100644
index 0000000..9dcb2a9
--- /dev/null
+++ b/test/basic/structure-placeholder.basic.test.js
@@ -0,0 +1,6 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+
+test('diffuser placeholder structure exists', () => {
+  assert.equal(true, true);
+});
diff --git a/test/edge/structure-node.edge.test.js b/test/edge/structure-node.edge.test.js
new file mode 100644
index 0000000..4cbeb7a
--- /dev/null
+++ b/test/edge/structure-node.edge.test.js
@@ -0,0 +1,6 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+
+test('diffuser edge placeholder', () => {
+  assert.equal(true, true);
+});
diff --git a/test/integration/structure-examples.integration.test.js b/test/integration/structure-examples.integration.test.js
new file mode 100644
index 0000000..e47b949
--- /dev/null
+++ b/test/integration/structure-examples.integration.test.js
@@ -0,0 +1,12 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const path = require('node:path');
+
+const dir = path.resolve(__dirname, '../../examples');
+
+test('diffuser placeholder example files exist', () => {
+  for (const file of ['basic.flow.json', 'integration.flow.json', 'edge.flow.json']) {
+    assert.equal(fs.existsSync(path.join(dir, file)), true);
+  }
+});