Fix DeMemWM memory dropout and inference stabilization

Optimize DeMemWM dynamic selection defaults

Add DeMemWM multiview selector benchmark

Use multiview dynamic memory online

Select DeMemWM dynamic memory by multiview retrieval

Add DeMemWM multiview selector backends

Make DeMemWM FOV candidates deterministic

Add DeMemWM multiview dynamic policy

Restore revisit local context exclusion

Validate DeMemWM future memory selection

Allow noncausal DeMemWM dynamic events

Allow noncausal DeMemWM revisit selection

Add DeMemWM memory causality config

Improve DeMemWM memory selection pipeline

Align DeMemWM latent memory frame offsets

Hardcode FOV sampler constants

Add DeMemWM optimizer LR groups and warmup

Simplify DeMemWM memory noise modes

Remove stale DeMemWM raw-video helpers

Fix DeMemWM nested split filtering

Remove unused DeMemWM memory backend option

Fix disabled DeMemWM memory selection slots

Add DeMemWM image-space validation metrics

Fail fast for DeMemWM interactive path

Align DeMemWM latent dataset loading

Remove DeMemWM raw training fallback

Tighten DeMemWM acceptance tests

Add DeMemWM trainability controls

Add DeMemWM memory noise routing

Implement DeMemWM online validation memory

Clean up DeMemWM naming and memory path

Reject unimplemented WorldMem memory backend

Add DeMemWM latent validation path

Add DeMemWM latent training step

Prepare DeMemWM pose and image metadata

Prepare DeMemWM latent action conditioning

Implement DeMemWM segment split preprocessing

Implement DeMemWM batch contract

Add DeMemWM step 1-4 dataset scaffold