Remove 8 enable_* from FeatureConfig (ml-features) and 24 from
DQNHyperparameters (ml). All features are always active — no boolean
toggles, no dead conditional branches, no false impression of optionality.
FeatureConfig reduced to single `phase: FeaturePhase` field.
DQNHyperparameters loses 24 fields, downstream conditionals collapsed.
TOML configs cleaned of all enable_* lines.
16 files changed, -461/+181 lines.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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