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TEST 1: Scanner Login - Success
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[TEST 1] Login with valid UUID and PIN
  ✗ Expected 200, got 422
  ✗ Response success flag is not true
  ✗ No token in response
  ✗ Scanner ID missing from response

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TEST 2: Token Verification
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  → Skipping verify test - no token from login

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TEST 3: Token Refresh
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  → Skipping refresh test - no token from login

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TEST 4: Invalid Credentials
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[TEST 2] Login with invalid PIN
  ✗ Expected 401, got 422
  ✗ Expected error 'invalid_credentials'
  ✗ No attempts_remaining in response

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TEST 5: Unregistered Device
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[TEST 3] Login with unregistered device UUID
  ✓ Status code: 422 Unprocessable Entity
  ✓ Error code is 'device_not_registered'

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TEST 6: Validation Errors
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[TEST 4] Login with invalid UUID format
  ✓ Status code: 422 Unprocessable Entity
  ✓ Validation error for device_uuid
[TEST 5] Login with invalid PIN format
  ✓ Status code: 422

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TEST 7: Missing Authorization Header
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[TEST 6] Verify endpoint without token
  ✓ Status code: 401
  ✓ Error code is 'token_absent'

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TEST SUMMARY
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Total Tests:  6
Passed:       7
Failed:       7

✗ SOME TESTS FAILED