diff --git a/examples/shiny-react-upstream/5-shadcn/components.json b/examples/shiny-react-upstream/5-shadcn/components.json
index 285033d3..67ea69c1 100644
--- a/examples/shiny-react-upstream/5-shadcn/components.json
+++ b/examples/shiny-react-upstream/5-shadcn/components.json
@@ -5,7 +5,7 @@
   "tsx": true,
   "tailwind": {
     "config": "",
-    "css": "src/styles/globals.css",
+    "css": "srcts/globals.css",
     "baseColor": "neutral",
     "cssVariables": true,
     "prefix": ""
diff --git a/examples/shiny-react-upstream/5-shadcn/package.json b/examples/shiny-react-upstream/5-shadcn/package.json
index c6c0841f..1df48b4f 100644
--- a/examples/shiny-react-upstream/5-shadcn/package.json
+++ b/examples/shiny-react-upstream/5-shadcn/package.json
@@ -1,5 +1,6 @@
 {
-  "name": "shiny-react-dashboard",
+  "name": "shiny-react-shadcn",
+  "private": true,
   "version": "1.0.0",
   "type": "module",
   "description": "Interactive dashboard example using shiny-react and shadcn/ui",
diff --git a/examples/shiny-react-upstream/7-chat/py/app.py b/examples/shiny-react-upstream/7-chat/py/app.py
index 699c6cee..04aecd72 100644
--- a/examples/shiny-react-upstream/7-chat/py/app.py
+++ b/examples/shiny-react-upstream/7-chat/py/app.py
@@ -9,7 +9,6 @@
 # Load .env file in this directory for OPENAI_API_KEY
 app_dir = Path(__file__).parent
 env_file = app_dir / ".env"
-print(env_file)
 dotenv.load_dotenv(env_file)
 
 # Initialize chat with OpenAI GPT-4o-mini by default
diff --git a/examples/shiny-react-upstream/8-modules/py/app.py b/examples/shiny-react-upstream/8-modules/py/app.py
index 977c12a3..18687b67 100644
--- a/examples/shiny-react-upstream/8-modules/py/app.py
+++ b/examples/shiny-react-upstream/8-modules/py/app.py
@@ -14,11 +14,11 @@ def _():
         return 0
 
     @reactive.effect
-    def _():
+    async def _():
         """Send notification message every 5 counts"""
         count = input.count()
         if count is not None and count > 0 and count % 5 == 0:
-            shinyreact.post_message(
+            await shinyreact.post_message(
                 session,
                 "notification",
                 {"message": f"Milestone reached: {count}"},
diff --git a/examples/shiny-react-upstream/8-modules/srcts-standard/main.tsx b/examples/shiny-react-upstream/8-modules/srcts-standard/main.tsx
index b3c0287a..96205345 100644
--- a/examples/shiny-react-upstream/8-modules/srcts-standard/main.tsx
+++ b/examples/shiny-react-upstream/8-modules/srcts-standard/main.tsx
@@ -7,5 +7,5 @@ class CounterWidgetElement extends ShinyReactComponentElement {
 }
 
 if (!customElements.get("counter-widget")) {
-    customElements.define("counter-widget", CounterWidgetElement);
+  customElements.define("counter-widget", CounterWidgetElement);
 }
diff --git a/js/src/shiny-react/ImageOutput.tsx b/js/src/shiny-react/ImageOutput.tsx
index 9a01cf56..9dfb4d2c 100644
--- a/js/src/shiny-react/ImageOutput.tsx
+++ b/js/src/shiny-react/ImageOutput.tsx
@@ -72,6 +72,10 @@ export type ImageData = {
  *    dimension change detection (default: 400ms). Controls how long to wait
  *    after a resize event before sending updated dimensions to Shiny. Higher
  *    values reduce server load but may delay updates.
+ * @param props.namespace - Optional namespace override for Shiny module
+ *    support. If provided, overrides the namespace from ShinyModuleProvider
+ *    context. Pass `null` to explicitly disable namespacing even when inside
+ *    a provider.
  * @param props.onRecalculating - Optional callback function that gets called
  *    whenever the recalculation status changes. Receives a boolean indicating
  *    whether the image is currently recalculating.
diff --git a/js/src/shiny-react/ShinyModuleContext.tsx b/js/src/shiny-react/ShinyModuleContext.tsx
index 62ddb383..c21c48a3 100644
--- a/js/src/shiny-react/ShinyModuleContext.tsx
+++ b/js/src/shiny-react/ShinyModuleContext.tsx
@@ -14,8 +14,9 @@ export interface ShinyModuleProviderProps {
  * useShinyMessageHandler will automatically have their IDs prefixed
  * with the provided namespace.
  *
- * Note: This provider does NOT support nesting. If you need nested modules,
- * pass the full namespace string (e.g., "outer-inner") directly.
+ * Note: Nesting providers is supported — an inner provider overrides the
+ * outer one (it does not concatenate namespaces). If you need a combined
+ * namespace, pass the full string (e.g., "outer-inner") directly.
  *
  * @param namespace The complete namespace string to apply to child hooks.
  * @param children React children that will receive the namespace context.
@@ -48,8 +49,8 @@ export function useShinyModuleNamespace(): string | null {
 
 /**
  * Utility function to apply namespace to an ID.
- * If namespace is provided, returns `${namespace}-${id}`.
- * Otherwise returns the original id.
+ * If namespace is a non-empty string, returns `${namespace}-${id}`.
+ * If namespace is null, undefined, or empty string, returns the original id.
  */
 export function applyNamespace(
   id: string,