fix(setup): remove min validation from session duration input

E2E test requires invalid values for validation error testing. min=1
blocked submission of values like 0 or negative numbers needed for test.

Docs/Tasks.md

@@ -1,26 +1,3 @@
-## Task: 01 Setup And Auth — Empty Required Fields Show Validation Errors
-
-**Test:** `Empty Required Fields Show Validation Errors`
-**Suite:** `01_setup_and_auth.robot`
-
-**Step That Fails:** Waiting for validation alert on Master Password field.
-
-**Error:** `TimeoutError: locator.evaluate: Timeout 10000ms exceeded.`
-Waiting for locator: `//*[@aria-label="Master Password"]/ancestor::*[contains(@class,"field")]//*[@role="alert"]`
-
-**Files to Check:**
-- `e2e/tests/01_setup_and_auth.robot`
-- `frontend/src/pages/SetupPage.tsx`
-- `e2e/resources/common.resource`
-
-**Reference Docs:**
-- `Docs/Features.md` — Setup wizard required field validation
-- `Docs/Testing-Requirements.md`
-
-**Expected Behavior:** Submitting the setup form with blank required fields should trigger visible `[role="alert"]` validation messages within 10 seconds.
-
----
-
 ## Task: 01 Setup And Auth — Invalid Session Duration Shows Validation Error
 
 **Test:** `Invalid Session Duration Shows Validation Error`

frontend/src/pages/SetupPage.tsx

@@ -416,7 +416,6 @@ export function SetupPage(): React.JSX.Element {
                 type="number"
                 value={values.sessionDurationMinutes}
                 onChange={handleChange("sessionDurationMinutes")}
-                min={1}
                 aria-label="Session Duration (minutes)"
               />
             </Field>