diff --git a/web/hwlab-cloud-web/scripts/tsc-check.ts b/web/hwlab-cloud-web/scripts/tsc-check.ts
index a178b143..bf2c69ec 100644
--- a/web/hwlab-cloud-web/scripts/tsc-check.ts
+++ b/web/hwlab-cloud-web/scripts/tsc-check.ts
@@ -25,7 +25,11 @@ if (explicitAnyCount > 0) {
   process.exit(2);
 }
 
-const vueTscBin = path.join(rootDir, "node_modules/.bin/vue-tsc");
+const vueTscBin = resolveVueTscBin(rootDir);
+if (!vueTscBin) {
+  console.error("hwlab-cloud-web tsc-check: vue-tsc not found in ancestor node_modules/.bin or PATH");
+  process.exit(2);
+}
 const result = spawnSync(vueTscBin, ["--noEmit", "--project", path.join(rootDir, "tsconfig.json")], { cwd: rootDir, encoding: "utf8" });
 if (result.stdout) process.stdout.write(result.stdout);
 if (result.stderr) process.stderr.write(result.stderr);
@@ -36,6 +40,30 @@ if (result.status !== 0) {
 }
 console.log("hwlab-cloud-web tsc-check: passed (strict Vue TS, 0 explicit any)");
 
+function resolveVueTscBin(startDir: string): string | null {
+  let current = startDir;
+  while (true) {
+    const candidate = path.join(current, "node_modules/.bin/vue-tsc");
+    if (isRunnableFile(candidate)) return candidate;
+    const parent = path.dirname(current);
+    if (parent === current) break;
+    current = parent;
+  }
+  for (const dir of (process.env.PATH ?? "").split(path.delimiter).filter(Boolean)) {
+    const candidate = path.join(dir, process.platform === "win32" ? "vue-tsc.cmd" : "vue-tsc");
+    if (isRunnableFile(candidate)) return candidate;
+  }
+  return null;
+}
+
+function isRunnableFile(candidate: string): boolean {
+  try {
+    return statSync(candidate).isFile();
+  } catch {
+    return false;
+  }
+}
+
 function collectSourceFiles(dir: string): string[] {
   const out: string[] = [];
   for (const entry of readdirSync(dir)) {
diff --git a/web/hwlab-cloud-web/src/stores/workbench.ts b/web/hwlab-cloud-web/src/stores/workbench.ts
index 7d8a2895..ea5f811b 100644
--- a/web/hwlab-cloud-web/src/stores/workbench.ts
+++ b/web/hwlab-cloud-web/src/stores/workbench.ts
@@ -13,6 +13,10 @@ const TRACE_HYDRATION_MAX_PAGES = 60;
 const TRACE_HYDRATION_MAX_ATTEMPTS = 3;
 const TRACE_HYDRATION_RETRY_DELAY_MS = 700;
 
+interface HydrateOptions {
+  conversationId?: string | null;
+}
+
 export const useWorkbenchStore = defineStore("workbench", () => {
   const projectId = ref(resolveInitialWorkbenchProjectId());
   const workspace = ref<WorkspaceRecord | null>(window.HWLAB_CLOUD_WEB_WORKSPACE_BOOTSTRAP?.workspace ?? null);
@@ -52,7 +56,7 @@ export const useWorkbenchStore = defineStore("workbench", () => {
     activityRef.value = { lastActivityAt: now, lastActivityIso: new Date(now).toISOString(), waitingFor: "code-agent", lastEventLabel: label };
   }
 
-  async function hydrate(): Promise<void> {
+  async function hydrate(options: HydrateOptions = {}): Promise<void> {
     const requestEpoch = workspaceSelectionEpoch.value;
     const previousConversationId = activeConversationId.value;
     conversationsReady.value = conversations.value.length > 0;
@@ -67,7 +71,8 @@ export const useWorkbenchStore = defineStore("workbench", () => {
     const nextWorkspace = workspaceResult.data?.workspace ?? null;
     const nextProjectId = workspaceProjectId(nextWorkspace, projectId.value);
     projectId.value = nextProjectId;
-    const selectedConversationId = selectedConversationIdFromWorkspace(nextWorkspace);
+    const routeConversationId = normalizeWorkbenchConversationId(options.conversationId);
+    const selectedConversationId = routeConversationId ?? selectedConversationIdFromWorkspace(nextWorkspace);
     const [conversationsResult, selectedConversationResult] = await Promise.all([
       api.workbench.conversations(nextProjectId, { includeConversationId: selectedConversationId }),
       selectedConversationId ? api.workbench.conversation(selectedConversationId, { projectId: nextProjectId }) : Promise.resolve(null)
@@ -89,7 +94,11 @@ export const useWorkbenchStore = defineStore("workbench", () => {
       error.value = conversations.value.length > 0 ? null : conversationsResult.error ?? "session list unavailable";
     }
     if (selectedConversationId && selectedConversationResult && !selectedConversationResult.ok) error.value = selectedConversationResult.error ?? "conversation unavailable";
-    const workspaceSnapshot = selectedConversation ? workspaceWithSelectedConversation(nextWorkspace, selectedConversation, conversationProjectId(selectedConversation, nextProjectId)) : nextWorkspace;
+    const workspaceSnapshot = selectedConversation
+      ? workspaceWithSelectedConversation(nextWorkspace, selectedConversation, conversationProjectId(selectedConversation, nextProjectId))
+      : routeConversationId
+        ? workspaceWithSelectedConversationId(nextWorkspace, routeConversationId, nextProjectId)
+        : nextWorkspace;
     if (shouldApplyWorkspaceSnapshot({ requestEpoch, currentEpoch: workspaceSelectionEpoch.value, currentConversationId: activeConversationId.value, workspace: workspaceSnapshot })) {
       workspace.value = workspaceSnapshot;
       providerProfile.value = firstNonEmptyString(workspace.value?.providerProfile, workspace.value?.workspace?.providerProfile, providerProfile.value) ?? providerProfile.value;
@@ -733,6 +742,22 @@ function workspaceWithSelectedConversation(current: WorkspaceRecord | null, conv
   };
 }
 
+function workspaceWithSelectedConversationId(current: WorkspaceRecord | null, conversationId: string, projectId: string): WorkspaceRecord | null {
+  if (!current) return current;
+  const selectedConversation = current.selectedConversation?.conversationId === conversationId ? current.selectedConversation : undefined;
+  return {
+    ...current,
+    projectId,
+    selectedConversationId: conversationId,
+    selectedConversation,
+    workspace: {
+      ...(current.workspace ?? {}),
+      projectId,
+      selectedConversationId: conversationId
+    }
+  };
+}
+
 function conversationProjectId(conversation: ConversationRecord | null | undefined, fallback: string): string {
   return firstNonEmptyString(conversation?.projectId, fallback) ?? DEFAULT_WORKBENCH_PROJECT_ID;
 }
diff --git a/web/hwlab-cloud-web/src/views/workbench/CodeWorkbenchView.vue b/web/hwlab-cloud-web/src/views/workbench/CodeWorkbenchView.vue
index 1b9cd600..051fc137 100644
--- a/web/hwlab-cloud-web/src/views/workbench/CodeWorkbenchView.vue
+++ b/web/hwlab-cloud-web/src/views/workbench/CodeWorkbenchView.vue
@@ -21,7 +21,7 @@ onMounted(async () => {
   componentActive.value = true;
   applyingRouteConversation.value = Boolean(routeConversationId.value);
   try {
-    await workbench.hydrate();
+    await workbench.hydrate({ conversationId: routeConversationId.value });
     await applyRouteConversation();
   } finally {
     applyingRouteConversation.value = false;