diff --git a/main.py b/main.py
index 0846156d..78ccdeff 100644
--- a/main.py
+++ b/main.py
@@ -3316,4 +3316,18 @@ async def proxy_inventory_service(path: str, request: Request):
 # Icons are now served from static/icons directory
 # Serve SPA files (catch-all for frontend routes)
 # Mount the single-page application frontend (static assets) at root path
-app.mount("/", StaticFiles(directory="static", html=True), name="static")
+#
+# Force browsers to always revalidate static assets so bind-mounted file
+# changes are picked up without a hard refresh. The ETag/Last-Modified
+# headers already make revalidation efficient (304 responses).
+class NoCacheStaticFiles(StaticFiles):
+    async def get_response(self, path, scope):
+        response = await super().get_response(path, scope)
+        # Force revalidation for HTML/JS/CSS/JSON so code changes show up
+        # immediately after git pull. Other assets (images, fonts) can cache.
+        if any(path.endswith(ext) for ext in (".html", ".js", ".css", ".json")):
+            response.headers["Cache-Control"] = "no-cache, must-revalidate"
+        return response
+
+
+app.mount("/", NoCacheStaticFiles(directory="static", html=True), name="static")