Plant Sensor Maintenance

**Replace Battery**
- [x] Bougainvillea
- [x] Top Garden Bed
- [x] Star Jasmine
- [x] Citrus Bed
- [x] Peach Bougainvillea
- [x] Veggie Patch

**Use BT 2 MQTT Upstairs Server for Following Plants**
- [x] Fiddle Leaf Fig
- [x] Lounge Plant

**Reconfigure Garden Pi with BT 2 MQTT for Back Plants**
- [x] Bougainvillea
- [x] Veggie Patch
- [x] Magnolia Bed
- [x] Citrus Bed
- [x] Protea's
- [x] Star Jasmine
- [x] Peach Bougainvillea
- [x] Hydrangea
- [x] Climbing Rose
- [x] Japanese Maple

**Relocate Downstairs BT 2 MQTT for Front Plants**
- [x] Frangipani Bed
- [x] Front Door Plant
- [x] Flower Pot

No files, tests, or code entry points are mentioned. The checklist covers battery replacement, BT 2 MQTT placement, and Garden Pi reconfiguration, with every listed task already checked; first verify whether any configuration work remains before considering this issue actionable.

Written by the indexing model from the issue text.