v2026.4.1 - extended testbed layout

[orgua]

• shepherd-data CLI
  • add --text-only-switch to extract-uart and decode-uart commands (removed timestamps and prints text like on console)
  • extract waveforms more efficiently (less RAM usage, might have exploded on large files)
  • decode-uart now probes every pin and saves as file if UART was found
• vsrc-model
  • add two-state power-good behavior of PRU
  • mirror the use of safe math FNs of PRU code in python
• data-models
  • remove .id from testbed-modes (Cape, Observer, ...) when not needed (use name to reference data)
  • Target.id becomes optional and reflects usage in Testbed
  • FixtureClients respects optional .id
• fixtures
  • add pin-mapping of cape v2.5
  • add fixtures for 30 new capes v2.5
  • add fixtures for 30 new targets v1.3e
  • reorder testbed nodes to reflect current installation
• improved comparison of Eenvs (needed error margin)
• doc
  • extend harvester-metadata for bonito
  • improve doc for power-good thresholds

For next version / TODO:

• ivcurve fixtures are not loaded?
• include new GPIO plotting
• include new interactive plotting