Colorizer round6: dataset checks and unseen development/test split frozen

Colorizer round6: all three architectures pass preflight

Colorizer round6: source and write verification before training

Colorizer round6: all three architectures pass preflight

Colorizer round6: source and write verification before training

Colorizer round6: recurrent experiment completed with visual comparisons

Colorizer round6: recurrent_8 final metrics and probes

Colorizer round6: recurrent_4 final metrics and probes

Colorizer round6: recurrent_2 final metrics and probes

Colorizer round6: recurrent_1 final metrics and probes

Colorizer round6: control final metrics and probes

Colorizer round6: v3 final metrics and probes

Colorizer round6: matched recurrent trial step 2000

Colorizer round6: matched recurrent trial step 2000

Colorizer round6: matched recurrent trial step 1500

Colorizer round6: matched recurrent trial step 1000

Colorizer round6: matched recurrent trial step 500

Colorizer round6: cached targets verified and holdout frozen

Colorizer round6: CPU and FP32 GPU parity, backward and reload verified

Colorizer round6: protocol and sources before GPU training

Colorizer round6: failure report

Colorizer round6: protocol and sources before GPU training

Verify experiment artifact write access

Colorizer round6: completed region ablation and comparisons

Colorizer round6: region pilot step 2000

Colorizer round6: development comparison 2000

Colorizer round6: region pilot step 2000

Colorizer round6: development comparison 1500

Colorizer round6: region pilot step 1500

Colorizer round6: development comparison 1000

Colorizer round6: region pilot step 1000

Colorizer round6: development comparison 500

Colorizer round6: region pilot step 500

Colorizer round6: fixed targets and semantic regions verified

Colorizer round6: smoke and initial model verified

Colorizer round6: completed candidate and independent reports

Colorizer round6: dense critic training_finished step 5000

Colorizer round6: development review 5000

Colorizer round6: dense critic training step 5000

Colorizer round6: dense critic training step 4500

Colorizer round6: development review 4000

Colorizer round6: dense critic training step 4000

Colorizer round6: dense critic training step 3500

Colorizer round6: development review 3000

Colorizer round6: dense critic training step 3000

Colorizer round6: dense critic training step 2500

Colorizer round6: development review 2000

Colorizer round6: dense critic training step 2000

Colorizer round6: dense critic training step 1500

Colorizer round6: development review 1000