diff --git a/static/index.html b/static/index.html
index 1381a6c8..73d9a7a3 100644
--- a/static/index.html
+++ b/static/index.html
@@ -1798,7 +1798,7 @@
     </div>
     <div class="kanban-modal-row">
       <label for="kanbanBoardModalDefaultWorkdir" data-i18n="kanban_board_default_workdir">Default workspace path</label>
-      <input type="text" id="kanbanBoardModalDefaultWorkdir" list="kanbanBoardModalWorkdirs" data-i18n-placeholder="kanban_board_default_workdir_placeholder" placeholder="Workspace path (optional)" autocomplete="off">
+      <input type="text" id="kanbanBoardModalDefaultWorkdir" list="kanbanBoardModalWorkdirs" maxlength="255" data-i18n-placeholder="kanban_board_default_workdir_placeholder" placeholder="Workspace path (optional)" autocomplete="off">
       <datalist id="kanbanBoardModalWorkdirs"></datalist>
     </div>
     <div class="kanban-modal-row-inline">
diff --git a/tests/test_issue5932_kanban_board_default_workdir.py b/tests/test_issue5932_kanban_board_default_workdir.py
index a7b9d4e3..70d3e4e6 100644
--- a/tests/test_issue5932_kanban_board_default_workdir.py
+++ b/tests/test_issue5932_kanban_board_default_workdir.py
@@ -75,6 +75,11 @@ def test_board_payload_validates_default_workdir_and_preserves_omission(monkeypa
 
 def test_board_modal_submit_includes_and_clears_default_workdir():
     assert 'id="kanbanBoardModalDefaultWorkdir"' in INDEX
+    default_workdir_input = re.search(
+        r'<input\b[^>]*\bid="kanbanBoardModalDefaultWorkdir"[^>]*>', INDEX
+    )
+    assert default_workdir_input
+    assert 'maxlength="255"' in default_workdir_input.group(0)
     assert 'id="kanbanBoardModalOriginalDefaultWorkdir"' in INDEX
     assert 'list="kanbanBoardModalWorkdirs"' in INDEX
     assert "if (defaultWorkdir) payload.default_workdir = defaultWorkdir;" in PANELS
diff --git a/tests/test_issue5932_kanban_board_default_workdir_layout.py b/tests/test_issue5932_kanban_board_default_workdir_layout.py
index 028d75b2..0ab83e7d 100644
--- a/tests/test_issue5932_kanban_board_default_workdir_layout.py
+++ b/tests/test_issue5932_kanban_board_default_workdir_layout.py
@@ -20,40 +20,56 @@ def test_board_modal_default_workdir_layout(locale, width, height):
     pw = pytest.importorskip("playwright.sync_api")
     with pw.sync_playwright() as playwright:
         browser = playwright.chromium.launch(headless=True, args=_BROWSER_ARGS)
-        page = browser.new_page(viewport={"width": width, "height": height})
-        page.goto(BASE + "/", wait_until="domcontentloaded")
-        page.wait_for_selector("#kanbanBoardModalDefaultWorkdir", state="attached", timeout=10000)
-        page.wait_for_function(
-            "typeof setLocale === 'function' && typeof applyLocaleToDOM === 'function' && typeof openKanbanCreateBoard === 'function'",
-            timeout=10000,
-        )
-        page.evaluate("""([lang]) => {
-            setLocale(lang);
-            applyLocaleToDOM();
-            openKanbanCreateBoard();
-            const row = document.getElementById('kanbanBoardModalDefaultWorkdir')?.closest('.kanban-modal-row');
-            if (row) row.id = 'kanbanBoardModalDefaultWorkdirRow';
-        }""", [locale])
-        page.wait_for_function("""([expected]) => {
-            const modal = document.getElementById('kanbanBoardModal');
-            const label = document.querySelector("label[for='kanbanBoardModalDefaultWorkdir']");
-            const row = document.getElementById('kanbanBoardModalDefaultWorkdirRow');
-            return !!modal && !modal.hidden && !!label && !!row && label.textContent.trim() === expected;
-        }""", arg=[EXPECTED_LABELS[locale]])
-        modal = page.locator("#kanbanBoardModal")
-        row = page.locator("#kanbanBoardModalDefaultWorkdirRow")
-        field = page.locator("#kanbanBoardModalDefaultWorkdir")
-        assert row.is_visible()
-        assert field.is_visible()
-        label = page.locator("label[for='kanbanBoardModalDefaultWorkdir']")
-        assert label.is_visible()
-        assert label.text_content().strip() == EXPECTED_LABELS[locale]
-        modal_box = modal.bounding_box()
-        field_box = field.bounding_box()
-        assert modal_box and field_box
-        assert field_box["x"] >= modal_box["x"]
-        assert field_box["x"] + field_box["width"] <= modal_box["x"] + modal_box["width"]
-        assert field_box["y"] + field_box["height"] <= modal_box["y"] + modal_box["height"]
-        assert_no_raw_i18n_keys(page, "#kanbanBoardModalDefaultWorkdirRow")
-        assert_layout_sane(page, "#kanbanBoardModalDefaultWorkdirRow")
-        browser.close()
+        page = None
+        try:
+            page = browser.new_page(viewport={"width": width, "height": height})
+            try:
+                page.goto(BASE + "/", wait_until="domcontentloaded")
+                page.wait_for_function(
+                    "() => typeof S !== 'undefined' && S._bootReady === true",
+                    timeout=10000,
+                )
+                page.wait_for_function(
+                    "() => typeof setLocale === 'function' && typeof applyLocaleToDOM === 'function' && typeof openKanbanCreateBoard === 'function'",
+                    timeout=10000,
+                )
+                page.evaluate("""([lang]) => {
+                    setLocale(lang);
+                    openKanbanCreateBoard();
+                    const modal = document.getElementById('kanbanBoardModal');
+                    if (!modal || modal.hidden) throw new Error('Kanban board modal did not open');
+                    applyLocaleToDOM();
+                    const row = document.getElementById('kanbanBoardModalDefaultWorkdir')?.closest('.kanban-modal-row');
+                    if (row) row.id = 'kanbanBoardModalDefaultWorkdirRow';
+                }""", [locale])
+                page.wait_for_function("""([expected]) => {
+                    const modal = document.getElementById('kanbanBoardModal');
+                    const label = document.querySelector("label[for='kanbanBoardModalDefaultWorkdir']");
+                    const row = document.getElementById('kanbanBoardModalDefaultWorkdirRow');
+                    return !!modal && !modal.hidden && !!label && !!row && label.textContent.trim() === expected;
+                }""", arg=[EXPECTED_LABELS[locale]])
+                modal = page.locator("#kanbanBoardModal")
+                row = page.locator("#kanbanBoardModalDefaultWorkdirRow")
+                field = page.locator("#kanbanBoardModalDefaultWorkdir")
+                assert row.is_visible()
+                assert field.is_visible()
+                label = page.locator("label[for='kanbanBoardModalDefaultWorkdir']")
+                assert label.is_visible()
+                assert label.text_content().strip() == EXPECTED_LABELS[locale]
+                modal_box = modal.bounding_box()
+                field_box = field.bounding_box()
+                assert modal_box and field_box
+                assert field_box["x"] >= modal_box["x"]
+                assert field_box["x"] + field_box["width"] <= modal_box["x"] + modal_box["width"]
+                assert field_box["y"] + field_box["height"] <= modal_box["y"] + modal_box["height"]
+                assert_no_raw_i18n_keys(page, "#kanbanBoardModalDefaultWorkdirRow")
+                assert_layout_sane(page, "#kanbanBoardModalDefaultWorkdirRow")
+            finally:
+                try:
+                    page.evaluate("""() => {
+                        if (typeof closeKanbanBoardModal === 'function') closeKanbanBoardModal();
+                    }""")
+                finally:
+                    page.close()
+        finally:
+            browser.close()