diff --git a/.jules/palette.md b/.jules/palette.md
index ea004e2d2..7759242ed 100644
--- a/.jules/palette.md
+++ b/.jules/palette.md
@@ -81,3 +81,7 @@
 ## 2026-08-12 - Skip to Content Accessibility
 **Learning:** Screen reader and keyboard-only users experience significant friction when forced to navigate through repetitive header controls on every page load.
 **Action:** Keep a visible-on-focus skip link as the first interactive element, target a programmatically focusable main container, and give the focused link a high-contrast outline.
+
+## 2026-08-15 - Native file inputs replacement
+**Learning:** `aria-hidden="true"`는 파일 입력 요소를 접근성 트리에서 제거한다. native input을 숨기고 접근성을 보장하기 위해서 프록시 버튼을 사용할 수 있다.
+**Action:** `aria-hidden="true"`, `class="sr-only" tabindex="-1"`을 native input에 적용하여 숨기고 proxy button을 통해 동작을 실행한다.
diff --git a/scanner/dashboard/index.html b/scanner/dashboard/index.html
index 132bc31b2..fd01e0b8f 100644
--- a/scanner/dashboard/index.html
+++ b/scanner/dashboard/index.html
@@ -93,7 +93,8 @@
   <span class="logo"></span><span class="brand">AppGuardrail</span>
   <span class="spacer"></span>
   <span class="meta" id="src">no findings loaded</span>
-  <input type="file" id="file" accept="application/json,.json" aria-label="Upload findings file" style="margin-left:12px">
+  <input type="file" id="file" accept="application/json,.json" aria-label="Upload findings file" class="sr-only" tabindex="-1" aria-hidden="true">
+  <button type="button" id="file-proxy-btn" class="primary-action">Upload findings</button>
 </header>
 <p id="findings-summary" class="sr-only" role="status" aria-live="polite" aria-atomic="true"></p>
 <main id="app" tabindex="-1"></main>
@@ -388,6 +389,15 @@ <h1>Dashboard</h1>
     if(isDeployBlocking(f)!==expect) console.error('selftest FAIL', f, 'expected', expect);
   }
 })();
+
+// proxy file upload for a11y
+(function() {
+  const proxyBtn = document.getElementById('file-proxy-btn');
+  const actualInput = document.getElementById('file');
+  if (proxyBtn && actualInput) {
+    proxyBtn.addEventListener('click', () => actualInput.click());
+  }
+})();
 </script>
 </body>
 </html>
\ No newline at end of file
diff --git a/tests/test_dashboard_core.py b/tests/test_dashboard_core.py
index 75a5809f8..e7094f40e 100644
--- a/tests/test_dashboard_core.py
+++ b/tests/test_dashboard_core.py
@@ -10,6 +10,7 @@
 from html.parser import HTMLParser
 
 import pytest
+from pathlib import Path
 
 from scanner.cli.appguardrail import (dashboard_index_path,
                                       dashboard_tokens_path,
@@ -302,3 +303,23 @@ def test_dashboard_search_escape_clears_input():
     assert "e.key === 'Escape'" in html
     assert "query = '';" in html
     assert "render();" in html
+
+
+def test_dashboard_file_upload_proxy_is_accessible():
+    """Verify that the native file input is fully hidden and proxy button handles upload."""
+    html = dashboard_index_path().read_text(encoding="utf-8")
+
+    # Assert exact hiding attributes on the native input
+    assert 'class="sr-only"' in html and 'tabindex="-1"' in html and 'aria-hidden="true"' in html
+    assert 'type="file"' in html and 'id="file"' in html
+
+    # Assert the proxy button exists
+    assert 'id="file-proxy-btn"' in html and 'class="primary-action"' in html
+
+    # Assert that JS proxy listener is bound
+    assert "proxyBtn.addEventListener('click', () => actualInput.click())" in html
+
+def test_file_upload_proxy_accessibility_contract_is_documented_accurately():
+    """Ensure the specific learning about AOM removal is documented."""
+    journal = (Path(__file__).parent.parent / ".jules" / "palette.md").read_text(encoding="utf-8")
+    assert '`aria-hidden="true"`는 파일 입력 요소를 접근성 트리에서 제거' in journal