diff --git a/src/backend/database/db/index.ts b/src/backend/database/db/index.ts
index 463a2cb3..4db2ceb2 100644
--- a/src/backend/database/db/index.ts
+++ b/src/backend/database/db/index.ts
@@ -671,6 +671,12 @@ const migrateSchema = () => {
       `);
     } catch (createError) {
       databaseLogger.warn("Failed to create network_topology table", {
+        error: createError instanceof Error ? createError.message : String(createError),
+      });
+    }
+  }
+
+  try {
     sqlite.prepare("SELECT id FROM host_access LIMIT 1").get();
   } catch {
     try {
diff --git a/src/backend/database/db/schema.ts b/src/backend/database/db/schema.ts
index b3e0c327..70393d47 100644
--- a/src/backend/database/db/schema.ts
+++ b/src/backend/database/db/schema.ts
@@ -301,6 +301,14 @@ export const networkTopology = sqliteTable("network_topology", {
     .notNull()
     .references(() => users.id, { onDelete: "cascade" }),
   topology: text("topology"),
+  createdAt: text("created_at")
+    .notNull()
+    .default(sql`CURRENT_TIMESTAMP`),
+  updatedAt: text("updated_at")
+    .notNull()
+    .default(sql`CURRENT_TIMESTAMP`),
+});
+
 export const hostAccess = sqliteTable("host_access", {
   id: integer("id").primaryKey({ autoIncrement: true }),
   hostId: integer("host_id")
diff --git a/src/backend/ssh/server-stats.ts b/src/backend/ssh/server-stats.ts
index f9e20f8a..c0b7c11a 100644
--- a/src/backend/ssh/server-stats.ts
+++ b/src/backend/ssh/server-stats.ts
@@ -1803,6 +1803,10 @@ async function collectMetrics(host: SSHHostWithCredentials): Promise<{
         } catch (e) {
           statsLogger.debug("Failed to collect ports metrics", {
             operation: "ports_metrics_failed",
+            error: e instanceof Error ? e.message : String(e),
+          });
+        }
+
         let firewall: {
           type: "iptables" | "nftables" | "none";
           status: "active" | "inactive" | "unknown";
diff --git a/src/backend/utils/user-data-import.ts b/src/backend/utils/user-data-import.ts
index ab161e2c..9b1f4aad 100644
--- a/src/backend/utils/user-data-import.ts
+++ b/src/backend/utils/user-data-import.ts
@@ -194,7 +194,7 @@ class UserDataImport {
           continue;
         }
 
-        const newHostData = {
+        const newHostData: Record<string, unknown> = {
           ...host,
           userId: targetUserId,
           updatedAt: new Date().toISOString(),
@@ -204,14 +204,14 @@ class UserDataImport {
           newHostData.createdAt = new Date().toISOString();
         }
 
-        let processedHostData = newHostData;
+        let processedHostData: Record<string, unknown> = newHostData;
         if (options.userDataKey) {
           processedHostData = DataCrypto.encryptRecord(
             "ssh_data",
             newHostData,
             targetUserId,
             options.userDataKey,
-          );
+          ) as Record<string, unknown>;
         }
 
         delete processedHostData.id;
@@ -275,7 +275,7 @@ class UserDataImport {
           continue;
         }
 
-        const newCredentialData = {
+        const newCredentialData: Record<string, unknown> = {
           ...credential,
           userId: targetUserId,
           updatedAt: new Date().toISOString(),
@@ -287,14 +287,14 @@ class UserDataImport {
           newCredentialData.createdAt = new Date().toISOString();
         }
 
-        let processedCredentialData = newCredentialData;
+        let processedCredentialData: Record<string, unknown> = newCredentialData;
         if (options.userDataKey) {
           processedCredentialData = DataCrypto.encryptRecord(
             "ssh_credentials",
             newCredentialData,
             targetUserId,
             options.userDataKey,
-          );
+          ) as Record<string, unknown>;
         }
 
         delete processedCredentialData.id;
diff --git a/src/locales/en.json b/src/locales/en.json
index 9781e412..bf3c0ba1 100644
--- a/src/locales/en.json
+++ b/src/locales/en.json
@@ -1740,6 +1740,7 @@
       "state": "State",
       "process": "Process",
       "noData": "No listening ports data"
+    },
     "firewall": {
       "title": "Firewall",
       "active": "Active",
diff --git a/src/types/stats-widgets.ts b/src/types/stats-widgets.ts
index 31477eb2..ef777a4e 100644
--- a/src/types/stats-widgets.ts
+++ b/src/types/stats-widgets.ts
@@ -21,7 +21,7 @@ export interface ListeningPort {
 export interface PortsMetrics {
   source: "ss" | "netstat" | "none";
   ports: ListeningPort[];
-  | "firewall";
+}
 
 export interface FirewallRule {
   chain: string;
diff --git a/src/ui/desktop/apps/HostManagerApp.tsx b/src/ui/desktop/apps/HostManagerApp.tsx
index fce7e0df..5d5e746f 100644
--- a/src/ui/desktop/apps/HostManagerApp.tsx
+++ b/src/ui/desktop/apps/HostManagerApp.tsx
@@ -1,4 +1,4 @@
-import { HostManager } from "@/ui/desktop/apps/host-manager/HostManager";
+import { HostManager } from "@/ui/desktop/apps/host-manager/hosts/HostManager.tsx";
 import React from "react";
 
 const HostManagerApp: React.FC = () => {
diff --git a/src/ui/desktop/apps/features/server-stats/ServerStats.tsx b/src/ui/desktop/apps/features/server-stats/ServerStats.tsx
index 20ab7472..48f9f654 100644
--- a/src/ui/desktop/apps/features/server-stats/ServerStats.tsx
+++ b/src/ui/desktop/apps/features/server-stats/ServerStats.tsx
@@ -270,7 +270,8 @@ export function ServerStats({
       case "ports":
         return (
           <PortsWidget metrics={metrics} metricsHistory={metricsHistory} />
-          
+        );
+
       case "firewall":
         return (
           <FirewallWidget metrics={metrics} metricsHistory={metricsHistory} />
diff --git a/src/ui/desktop/navigation/AppView.tsx b/src/ui/desktop/navigation/AppView.tsx
index 5fcb0618..775aef16 100644
--- a/src/ui/desktop/navigation/AppView.tsx
+++ b/src/ui/desktop/navigation/AppView.tsx
@@ -361,6 +361,7 @@ export function AppView({
                     rightSidebarOpen={rightSidebarOpen}
                     rightSidebarWidth={rightSidebarWidth}
                     isStandalone={true}
+                  />
                 ) : t.type === "tunnel" ? (
                   <TunnelManager
                     hostConfig={t.hostConfig}