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KPI System Fixes Validation
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Test 1: NULL payable_amount handling
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✅ PASS: Settled deals query executes without error
✅ PASS: Outstanding balance query executes without error

Test 2: Settlement date filter
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✅ PASS: Settlement date filter works

Test 3: Daily sales fallback date filters
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✅ PASS: Daily sales fallback respects date filters

Test 4: Time to conversion calculation
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✅ PASS: Time to conversion query executes
✅ PASS: Time to conversion has avg_conversion_days

Test 5: Lead conversion logic
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✅ PASS: Lead conversion query executes
✅ PASS: Has total_new_leads
✅ PASS: Has converted_leads
✅ PASS: Has conversion_rate

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Test Summary
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Tests Passed: 10
Tests Failed: 0
Total Tests: 10

✅ All tests passed!