=== Manual Database Test ===
Test data to send:
Array
(
    [device_id] => TEST_ESP32_1770164976
    [total_cycles] => 5
    [waste_bags_saved] => 17.5
    [co2_emissions_diverted] => 11.57
    [last_emptied_time] => 1770164976000
    [month_start_time] => 1770164976000
    [data_version] => 2
    [checksum] => 12345
)

JSON payload:
{"device_id":"TEST_ESP32_1770164976","total_cycles":5,"waste_bags_saved":17.5,"co2_emissions_diverted":11.57000000000000028421709430404007434844970703125,"last_emptied_time":1770164976000,"month_start_time":1770164976000,"data_version":2,"checksum":12345}

=== Response ===
HTTP Code: 200
Response: {"success":true,"message":"Metrics saved successfully","insert_id":"7764","device_id":"TEST_ESP32_1770164976","total_cycles":5,"timestamp":"2026-02-04 00:29:36"}

✓ SUCCESS! Data should be in database

Test records in database: 796

Latest test records:
- ID: 7764, Device: TEST_ESP32_1770164976, Cycles: 5
- ID: 7762, Device: TEST_DEVICE_1770164837, Cycles: 999
- ID: 7760, Device: TEST_DEVICE_1770149156, Cycles: 999

=== Test Complete ===