diff --git a/web/hwlab-cloud-web/scripts/workbench-navigation.test.ts b/web/hwlab-cloud-web/scripts/workbench-navigation.test.ts
new file mode 100644
index 00000000..c6f7fc5e
--- /dev/null
+++ b/web/hwlab-cloud-web/scripts/workbench-navigation.test.ts
@@ -0,0 +1,22 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+
+import { isWorkbenchNavigationContext, shouldReflectWorkbenchConversationUrl } from "../src/router/workbench-navigation.ts";
+
+test("workbench navigation context recognizes workbench routes only while the component is active", () => {
+  assert.equal(isWorkbenchNavigationContext({ componentActive: true, routeSection: "workbench", routeName: "CodeWorkbenchSession", routePath: "/workbench/sessions/cnv_1" }), true);
+  assert.equal(isWorkbenchNavigationContext({ componentActive: true, routeName: "CodeWorkbench", routePath: "/workspace" }), true);
+  assert.equal(isWorkbenchNavigationContext({ componentActive: true, routeSection: "user", routeName: "Dashboard", routePath: "/dashboard" }), false);
+  assert.equal(isWorkbenchNavigationContext({ componentActive: false, routeSection: "workbench", routeName: "CodeWorkbenchSession", routePath: "/workbench/sessions/cnv_1" }), false);
+});
+
+test("workbench URL reflection never overrides a user navigation outside Workbench", () => {
+  assert.equal(shouldReflectWorkbenchConversationUrl({ componentActive: true, routeSection: "user", routeName: "Dashboard", routePath: "/dashboard", routeConversationId: null, conversationId: "cnv_async" }), false);
+  assert.equal(shouldReflectWorkbenchConversationUrl({ componentActive: false, routeSection: "workbench", routeName: "CodeWorkbench", routePath: "/workbench", routeConversationId: null, conversationId: "cnv_async" }), false);
+});
+
+test("workbench URL reflection still updates empty Workbench routes and respects route hydration", () => {
+  assert.equal(shouldReflectWorkbenchConversationUrl({ componentActive: true, routeSection: "workbench", routeName: "CodeWorkbench", routePath: "/workbench", routeConversationId: null, conversationId: "cnv_selected" }), true);
+  assert.equal(shouldReflectWorkbenchConversationUrl({ componentActive: true, routeSection: "workbench", routeName: "CodeWorkbenchSession", routePath: "/workbench/sessions/cnv_selected", routeConversationId: "cnv_selected", conversationId: "cnv_selected" }), false);
+  assert.equal(shouldReflectWorkbenchConversationUrl({ componentActive: true, routeSection: "workbench", routeName: "CodeWorkbenchSession", routePath: "/workbench/sessions/cnv_route", routeConversationId: "cnv_route", conversationId: "cnv_store", applyingRouteConversation: true }), false);
+});
diff --git a/web/hwlab-cloud-web/src/router/workbench-navigation.ts b/web/hwlab-cloud-web/src/router/workbench-navigation.ts
new file mode 100644
index 00000000..c6812fff
--- /dev/null
+++ b/web/hwlab-cloud-web/src/router/workbench-navigation.ts
@@ -0,0 +1,27 @@
+export interface WorkbenchNavigationContext {
+  componentActive: boolean;
+  routeName?: unknown;
+  routePath?: unknown;
+  routeSection?: unknown;
+  routeConversationId?: string | null;
+  conversationId?: string | null;
+  applyingRouteConversation?: boolean;
+}
+
+const WORKBENCH_ROUTE_NAMES = new Set(["CodeWorkbench", "CodeWorkbenchSession"]);
+
+export function isWorkbenchNavigationContext(input: WorkbenchNavigationContext): boolean {
+  if (!input.componentActive) return false;
+  if (input.routeSection === "workbench") return true;
+  if (typeof input.routeName === "string" && WORKBENCH_ROUTE_NAMES.has(input.routeName)) return true;
+  if (typeof input.routePath !== "string") return false;
+  return input.routePath === "/workbench" || input.routePath === "/workspace" || input.routePath.startsWith("/workbench/") || input.routePath.startsWith("/workspace/");
+}
+
+export function shouldReflectWorkbenchConversationUrl(input: WorkbenchNavigationContext): boolean {
+  if (!input.conversationId) return false;
+  if (!isWorkbenchNavigationContext(input)) return false;
+  if (input.routeConversationId === input.conversationId) return false;
+  if (input.applyingRouteConversation && input.routeConversationId && input.routeConversationId !== input.conversationId) return false;
+  return true;
+}
diff --git a/web/hwlab-cloud-web/src/views/workbench/CodeWorkbenchView.vue b/web/hwlab-cloud-web/src/views/workbench/CodeWorkbenchView.vue
index 90ed190f..1b9cd600 100644
--- a/web/hwlab-cloud-web/src/views/workbench/CodeWorkbenchView.vue
+++ b/web/hwlab-cloud-web/src/views/workbench/CodeWorkbenchView.vue
@@ -1,11 +1,12 @@
 <script setup lang="ts">
-import { computed, onMounted, ref, watch } from "vue";
+import { computed, onBeforeUnmount, onMounted, ref, watch } from "vue";
 import { useRoute, useRouter } from "vue-router";
 import CommandComposer from "@/components/workbench/CommandComposer.vue";
 import ConversationPanel from "@/components/workbench/ConversationPanel.vue";
 import SessionRail from "@/components/workbench/SessionRail.vue";
 import HwpodNodeOpsPanel from "@/components/hwpod/HwpodNodeOpsPanel.vue";
 import { useAutoRefresh } from "@/composables/useAutoRefresh";
+import { shouldReflectWorkbenchConversationUrl } from "@/router/workbench-navigation";
 import { useWorkbenchStore } from "@/stores/workbench";
 import { DEFAULT_WORKBENCH_PROJECT_ID, normalizeWorkbenchConversationId, normalizeWorkbenchProjectId } from "@/utils";
 
@@ -14,8 +15,10 @@ const route = useRoute();
 const router = useRouter();
 const routeConversationId = computed(() => normalizeWorkbenchConversationId(route.params.conversationId));
 const applyingRouteConversation = ref(Boolean(routeConversationId.value));
+const componentActive = ref(false);
 
 onMounted(async () => {
+  componentActive.value = true;
   applyingRouteConversation.value = Boolean(routeConversationId.value);
   try {
     await workbench.hydrate();
@@ -25,6 +28,9 @@ onMounted(async () => {
   }
   if (!routeConversationId.value || routeConversationId.value === workbench.activeConversationId) await reflectActiveConversationInUrl(workbench.activeConversationId);
 });
+onBeforeUnmount(() => {
+  componentActive.value = false;
+});
 watch(routeConversationId, () => void applyRouteConversation());
 watch(() => workbench.activeConversationId, (conversationId) => void reflectActiveConversationInUrl(conversationId));
 useAutoRefresh(() => workbench.refreshLive(), 30_000);
@@ -42,10 +48,16 @@ async function applyRouteConversation(): Promise<boolean> {
 
 async function reflectActiveConversationInUrl(value: string | null): Promise<void> {
   const conversationId = normalizeWorkbenchConversationId(value);
-  if (!conversationId) return;
   const routeTarget = routeConversationId.value;
-  if (applyingRouteConversation.value && routeTarget && routeTarget !== conversationId) return;
-  if (routeTarget === conversationId) return;
+  if (!shouldReflectWorkbenchConversationUrl({
+    componentActive: componentActive.value,
+    routeName: route.name,
+    routePath: route.path,
+    routeSection: route.meta.section,
+    routeConversationId: routeTarget,
+    conversationId,
+    applyingRouteConversation: applyingRouteConversation.value
+  })) return;
   const projectId = normalizeWorkbenchProjectId(route.query.projectId) ?? normalizeWorkbenchProjectId(workbench.workspace?.projectId) ?? normalizeWorkbenchProjectId(workbench.workspace?.workspace?.projectId);
   await router.replace({
     name: "CodeWorkbenchSession",