From a85cbf240d90f731eb2f30c915e8cdd2ab998fb5 Mon Sep 17 00:00:00 2001
From: Ajay Ghanwat <ghanwat.ajay@workroot.in>
Date: Wed, 26 Aug 2026 13:48:48 +0530
Subject: [PATCH] fix(dev-server): preserve serialized object component props

---
 bun.lock                                      |  2 +-
 packages/dev-server/package.json              |  2 +-
 packages/dev-server/src/runtime.ts            | 10 +++-
 .../test/structured-component-props.test.ts   | 47 +++++++++++++++++++
 4 files changed, 58 insertions(+), 3 deletions(-)
 create mode 100644 packages/dev-server/test/structured-component-props.test.ts

diff --git a/bun.lock b/bun.lock
index 729bffd7..cfb35c89 100644
--- a/bun.lock
+++ b/bun.lock
@@ -357,7 +357,7 @@
     },
     "packages/dev-server": {
       "name": "@wrnexus/dev-server",
-      "version": "0.8.56",
+      "version": "0.8.57",
       "dependencies": {
         "@wrnexus/authz": "workspace:*",
         "@wrnexus/cache": "workspace:*",
diff --git a/packages/dev-server/package.json b/packages/dev-server/package.json
index 261c74fb..6e5ce518 100644
--- a/packages/dev-server/package.json
+++ b/packages/dev-server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/dev-server",
-  "version": "0.8.56",
+  "version": "0.8.57",
   "type": "module",
   "main": "src/index.ts",
   "exports": {
diff --git a/packages/dev-server/src/runtime.ts b/packages/dev-server/src/runtime.ts
index cdf712ec..537fa319 100644
--- a/packages/dev-server/src/runtime.ts
+++ b/packages/dev-server/src/runtime.ts
@@ -1746,7 +1746,15 @@ export function createHandlers(deps: RuntimeDeps): Handlers {
         // component defaults creates the real child boundary; the bridged prop
         // binding synchronizes the live value when the branch is instantiated.
         for (const [key, value] of Object.entries(props)) {
-          if (/^\{[\s\S]*\}$/.test(value) && !/^\{t:/.test(value)) delete props[key];
+          if (/^\{[\s\S]*\}$/.test(value) && !/^\{t:/.test(value)) {
+            // SSR object props also start/end with braces. Preserve serialized
+            // JSON; only unresolved expressions should fall back to defaults.
+            try {
+              JSON.parse(value);
+            } catch {
+              delete props[key];
+            }
+          }
         }
         if (normalizedName === "languageswitcher" && deps.i18n) {
           props.locales ??= JSON.stringify(
diff --git a/packages/dev-server/test/structured-component-props.test.ts b/packages/dev-server/test/structured-component-props.test.ts
new file mode 100644
index 00000000..608072e7
--- /dev/null
+++ b/packages/dev-server/test/structured-component-props.test.ts
@@ -0,0 +1,47 @@
+import { expect, test } from "bun:test";
+import { createProductionHandlers } from "../src/prod.ts";
+
+test("component resolution preserves JSON user/permission props and drops unresolved bindings", async () => {
+  let received: Record<string, string> = {};
+  const handlers = createProductionHandlers(
+    {
+      pages: [
+        {
+          raw: "/",
+          mod: {
+            default: () =>
+              '<div data-component="account-shell" identity="{&quot;displayName&quot;:&quot;Alice&quot;}" permissions="{&quot;read&quot;:true,&quot;update&quot;:false}" preferences="{&quot;theme&quot;:&quot;dark&quot;}" pending="{account.pending}"><p>Account content</p></div>',
+          },
+        },
+      ],
+      api: [],
+      realtime: [],
+      middleware: [],
+      layouts: [],
+      components: [
+        {
+          name: "AccountShell",
+          mod: {
+            render: (props: Record<string, string>) => {
+              received = props;
+              const identity = JSON.parse(props.identity ?? "{}");
+              const permissions = JSON.parse(props.permissions ?? "{}");
+              return permissions.read
+                ? "<main>" + identity.displayName + "<slot /></main>"
+                : "<main>Denied</main>";
+            },
+          },
+        },
+      ],
+    },
+    {},
+  );
+  const response = await handlers.fetch(new Request("http://localhost/"), { upgrade: () => false });
+  expect(response?.status).toBe(200);
+  const html = await response!.text();
+  expect(html).toContain("Alice");
+  expect(html).toContain("Account content");
+  expect(JSON.parse(received.permissions!)).toEqual({ read: true, update: false });
+  expect(JSON.parse(received.preferences!)).toEqual({ theme: "dark" });
+  expect(received.pending).toBeUndefined();
+});