diff --git a/full-login-test.mjs b/full-login-test.mjs
new file mode 100644
index 0000000..81ad882
--- /dev/null
+++ b/full-login-test.mjs
@@ -0,0 +1,95 @@
+import { chromium } from "@playwright/test";
+
+(async () => {
+  console.log("=== FULL LOGIN FLOW TEST WITH DETAILED LOGGING ===\n");
+  
+  const b = await chromium.launch({ 
+    headless: false,  // 브라우저 화면 표시
+    args: ["--disable-blink-features=AutomationControlled"]
+  });
+  
+  const p = await b.newPage();
+  
+  // 모든 콘솔 메시지 캡처
+  p.on("console", msg => {
+    const type = msg.type();
+    const text = msg.text();
+    console.log(`  [BROWSER-${type.toUpperCase()}] ${text}`);
+  });
+  
+  // 모든 요청/응답 로그
+  p.on("request", req => {
+    if (req.url().includes("auth")) {
+      console.log(`  [REQUEST] ${req.method()} ${req.url()}`);
+    }
+  });
+  
+  p.on("response", res => {
+    if (res.url().includes("auth")) {
+      console.log(`  [RESPONSE] ${res.status()} ${res.url()}`);
+    }
+  });
+  
+  try {
+    console.log("1️⃣  STEP 1: Loading login page...");
+    await p.goto("http://localhost:5265/login.html", { waitUntil: "networkidle" });
+    console.log("   ✓ Page loaded\n");
+    
+    console.log("2️⃣  STEP 2: Filling form (admin/admin)...");
+    const userInput = await p.$("input[name='username']");
+    if (!userInput) {
+      console.log("   ✗ Username input NOT FOUND");
+      console.log("   Page content snippet:");
+      const html = await p.content();
+      const snippet = html.substring(0, 500);
+      console.log(snippet);
+    } else {
+      await p.fill("input[name='username']", "admin");
+      await p.fill("input[name='password']", "admin");
+      console.log("   ✓ Form filled\n");
+      
+      console.log("3️⃣  STEP 3: Clicking login button...");
+      await p.click("button[type='submit']");
+      console.log("   ✓ Button clicked\n");
+      
+      console.log("4️⃣  STEP 4: Waiting 7 seconds for auth flow...");
+      for (let i = 1; i <= 7; i++) {
+        await new Promise(r => setTimeout(r, 1000));
+        const url = p.url();
+        console.log(`   [${i}s] Current URL: ${url}`);
+      }
+      
+      console.log("\n5️⃣  FINAL RESULT:");
+      const finalUrl = p.url();
+      const finalContent = await p.content();
+      
+      console.log(`   URL: ${finalUrl}`);
+      
+      if (finalUrl.includes("/dashboard")) {
+        if (finalContent.includes("관리자 대시보드")) {
+          console.log("   ✓✓✓ SUCCESS! Dashboard loaded with content!");
+        } else if (finalContent.includes("Not Found")) {
+          console.log("   ✗ Dashboard URL but 'Not Found' error");
+        } else {
+          console.log("   ✓ Dashboard page (content varies)");
+        }
+      } else if (finalUrl.includes("/not-found")) {
+        console.log("   ✗ FAILED: Redirected to /not-found");
+        console.log("   This means authentication failed");
+      } else if (finalUrl.includes("/login")) {
+        console.log("   ✗ Back at login page");
+      } else {
+        console.log("   ? Other page");
+      }
+      
+      // 스크린샷 저장
+      await p.screenshot({ path: "./playwright-test-result.png", fullPage: true });
+      console.log("\n📷 Screenshot saved: playwright-test-result.png");
+    }
+    
+  } catch (e) {
+    console.error("❌ Error:", e.message);
+  } finally {
+    await b.close();
+  }
+})();
diff --git a/playwright-test-result.png b/playwright-test-result.png
new file mode 100644
index 0000000..507c623
Binary files /dev/null and b/playwright-test-result.png differ
diff --git a/simple-test.mjs b/simple-test.mjs
new file mode 100644
index 0000000..7f5adf4
--- /dev/null
+++ b/simple-test.mjs
@@ -0,0 +1,45 @@
+import { chromium } from "@playwright/test";
+
+(async () => {
+  console.log("=== SIMPLE DIRECT TEST ===\n");
+  
+  const b = await chromium.launch({ headless: false });
+  const p = await b.newPage();
+  
+  // 모든 콘솔 로그 출력
+  p.on("console", msg => console.log(`  [${msg.type()}] ${msg.text()}`));
+  
+  try {
+    console.log("1. Navigate to login...");
+    // URL에 타임스탐프 추가 (캐시 무시)
+    await p.goto("http://localhost:5265/login.html?v=" + Date.now());
+    
+    console.log("2. Submit form...");
+    await p.fill("input[name='username']", "admin");
+    await p.fill("input[name='password']", "admin");
+    
+    // Before submit - 현재 URL
+    console.log("   URL before submit: " + p.url());
+    
+    await p.click("button[type='submit']");
+    
+    // 8초 동안 URL 변화 감시
+    console.log("3. Monitoring for 8 seconds...");
+    let lastUrl = "";
+    for (let i = 0; i < 8; i++) {
+      await new Promise(r => setTimeout(r, 1000));
+      const currentUrl = p.url();
+      if (currentUrl !== lastUrl) {
+        console.log(`   [${i+1}s] ➜ ${currentUrl}`);
+        lastUrl = currentUrl;
+      }
+    }
+    
+    console.log("\n4. RESULT: " + p.url());
+    
+  } catch (e) {
+    console.error("Error:", e.message);
+  }
+  
+  await b.close();
+})();
diff --git a/src/dotnet/QuantEngine.Web/Client/Pages/Dashboard.razor b/src/dotnet/QuantEngine.Web/Client/Pages/Dashboard.razor
index 2d5e9fa..3e28bfc 100644
--- a/src/dotnet/QuantEngine.Web/Client/Pages/Dashboard.razor
+++ b/src/dotnet/QuantEngine.Web/Client/Pages/Dashboard.razor
@@ -1,7 +1,9 @@
 @page "/dashboard"
-@attribute [Authorize]
 @using QuantEngine.Core.Infrastructure
+@using Microsoft.AspNetCore.Components.Authorization
 @inject HttpClient Http
+@inject AuthenticationStateProvider AuthStateProvider
+@inject NavigationManager NavManager
 
 <PageTitle>QuantEngine - Admin Dashboard</PageTitle>
 
@@ -240,6 +242,15 @@
 
     protected override async Task OnInitializedAsync()
     {
+        // Check authentication
+        var authState = await AuthStateProvider.GetAuthenticationStateAsync();
+        if (!authState.User.Identity?.IsAuthenticated ?? true)
+        {
+            // Not authenticated - redirect to login
+            NavManager.NavigateTo("/login.html", forceLoad: true);
+            return;
+        }
+
         try
         {
             // Load operational report
diff --git a/src/dotnet/QuantEngine.Web/wwwroot/login.html b/src/dotnet/QuantEngine.Web/wwwroot/login.html
index 1584fbe..760b82d 100644
--- a/src/dotnet/QuantEngine.Web/wwwroot/login.html
+++ b/src/dotnet/QuantEngine.Web/wwwroot/login.html
@@ -324,14 +324,13 @@
 
                     // 로그인 성공 메시지 표시
                     alertDiv.className = 'alert alert-success show';
-                    alertDiv.textContent = '로그인 성공! 대시보드로 이동합니다. (Blazor 초기화 중...)';
+                    alertDiv.textContent = '로그인 성공! 대시보드로 이동합니다.';
 
-                    // Blazor 앱이 로드되고 localStorage에서 토큰을 읽을 시간을 충분히 제공
-                    // 3초 대기 후 대시보드로 이동
-                    console.log('[Login] Waiting 3 seconds for Blazor to initialize...');
+                    // Blazor 앱이 로드될 시간 제공
+                    // (대시보드는 이제 [Authorize] 없이 로드되고, 내부에서 인증 체크)
+                    console.log('[Login] Token saved. Redirecting in 3 seconds...');
                     setTimeout(() => {
-                        console.log('[Login] Redirecting to dashboard');
-                        console.log('[Login] Token in localStorage:', localStorage.getItem('quant_admin_access_token') ? 'YES' : 'NO');
+                        console.log('[Login] Navigating to dashboard');
                         window.location.href = '/dashboard';
                     }, 3000);
                 } else {
diff --git a/test-no-cache.mjs b/test-no-cache.mjs
new file mode 100644
index 0000000..48ecf0f
--- /dev/null
+++ b/test-no-cache.mjs
@@ -0,0 +1,58 @@
+import { chromium } from "@playwright/test";
+
+(async () => {
+  console.log("=== TEST WITH CACHE BYPASS ===\n");
+  
+  const b = await chromium.launch({ headless: false });
+  const ctx = await b.createIncognitoBrowserContext(); // Private mode = no cache
+  const p = await ctx.newPage();
+  
+  p.on("console", msg => {
+    if (msg.text().includes("[Login]")) {
+      console.log(`  ✓ ${msg.text()}`);
+    }
+  });
+  
+  try {
+    // 캐시 무시하고 로드
+    console.log("1. Loading login page (no cache)...");
+    await p.goto("http://localhost:5265/login.html?nocache=" + Date.now(), { 
+      waitUntil: "networkidle" 
+    });
+    console.log("   ✓ Loaded\n");
+    
+    console.log("2. Submitting login...");
+    await p.fill("input[name='username']", "admin");
+    await p.fill("input[name='password']", "admin");
+    await p.click("button[type='submit']");
+    console.log("   ✓ Submitted\n");
+    
+    console.log("3. Waiting 8 seconds...");
+    for (let i = 1; i <= 8; i++) {
+      await new Promise(r => setTimeout(r, 1000));
+      const url = p.url();
+      process.stdout.write(`   [${i}s] ${url}\r`);
+    }
+    
+    console.log("\n\n4. FINAL CHECK:");
+    const finalUrl = p.url();
+    if (finalUrl.includes("/dashboard")) {
+      console.log("   ✓✓✓ SUCCESS: Dashboard loaded!");
+      const content = await p.content();
+      if (content.includes("관리자 대시보드")) {
+        console.log("   ✓ Dashboard content confirmed!");
+      }
+    } else if (finalUrl.includes("/not-found")) {
+      console.log("   ✗ /not-found (auth failed)");
+    } else {
+      console.log("   URL: " + finalUrl);
+    }
+    
+    await p.screenshot({ path: "./final-test-no-cache.png", fullPage: true });
+    
+  } catch (e) {
+    console.error("Error:", e.message);
+  } finally {
+    await b.close();
+  }
+})();