Fix Docker Space interface metadata

Add persistent runtime model registration

Fix multipart wake-word sample uploads

Improve wake-word training data quality and hard negatives

Train wake word with broad negative features

Normalize openWakeWord feature frames

Balance positives with Superfasttt TTS negatives

Trace and weight real positive wake-word samples

Apply matching preprocessing during model test

Declare Space app port explicitly

Add Superfasttt openWakeWord trainer API

initial commit