=== Manual Database Test ===
Test data to send:
Array
(
    [device_id] => TEST_ESP32_1768363394
    [total_cycles] => 5
    [waste_bags_saved] => 17.5
    [co2_emissions_diverted] => 11.57
    [last_emptied_time] => 1768363394000
    [month_start_time] => 1768363394000
    [data_version] => 2
    [checksum] => 12345
)

JSON payload:
{"device_id":"TEST_ESP32_1768363394","total_cycles":5,"waste_bags_saved":17.5,"co2_emissions_diverted":11.57000000000000028421709430404007434844970703125,"last_emptied_time":1768363394000,"month_start_time":1768363394000,"data_version":2,"checksum":12345}

=== Response ===
HTTP Code: 200
Response: {"success":true,"message":"Metrics saved successfully","insert_id":"7608","device_id":"TEST_ESP32_1768363394","total_cycles":5,"timestamp":"2026-01-14 04:03:14"}

✓ SUCCESS! Data should be in database

Test records in database: 679

Latest test records:
- ID: 7608, Device: TEST_ESP32_1768363394, Cycles: 5
- ID: 7607, Device: TEST_DEVICE_1768363301, Cycles: 999
- ID: 7605, Device: TEST_ESP32_1768348005, Cycles: 5

=== Test Complete ===