py314 and ha2026-05

[Delmael]

• bump python version to 3.14
• bump smartbox to 2.5.1 to be compatible with ha 2026.5
• patch websocket to be more resilient
• Fix charge level sensor for PID 1C storage heaters Fix charge level sensor for PID 1C storage heaters #45
• Resolve Integration not loading after 2026.5.0 update #47

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.90%. Comparing base (6645c2f) to head (d80fe88).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #48   +/-   ##
=======================================
  Coverage   99.90%   99.90%           
=======================================
  Files          10       10           
  Lines        1046     1070   +24     
=======================================
+ Hits         1045     1069   +24     
  Misses          1        1           

Files with missing lines	Coverage Δ
custom_components/smartbox/__init__.py	100.00% <100.00%> (ø)
custom_components/smartbox/climate.py	100.00% <100.00%> (ø)
custom_components/smartbox/config_flow.py	100.00% <100.00%> (ø)
custom_components/smartbox/entity.py	98.03% <ø> (-0.11%)	⬇️
custom_components/smartbox/models.py	100.00% <100.00%> (ø)
custom_components/smartbox/number.py	100.00% <100.00%> (ø)
custom_components/smartbox/sensor.py	100.00% <100.00%> (ø)