phase: 4T
experiment_root: /data/digital-drosophila/experiments/phase4t-timing-stability
model_root: /data/digital-drosophila/models/male-cns-lif/timing-stability-v1
source_root: /data/digital-drosophila/experiments/phase4s-timing-credit
source_model: /data/digital-drosophila/models/male-cns-lif/timing-credit-v1
runtime_root: /data/digital-drosophila/models/male-cns-lif/deterministic-runtime-v2
phase4p_root: /data/digital-drosophila/experiments/phase4p-deterministic-runtime
duration_ms: 120
target_compartment: "y5B'2a"
matched_DAN: PAM15
candidate_US_ms: [10, 15, 20, 25, 30, 40, 60, 90]
windows_ms: [5, 10, 20, 50, 100, 250]
tau_rule: window/3
calibration_odors: first two records in frozen panel where split=calibration; same identities as 4S
odor_generalization: all frozen panel heldout odors excluding formal ODOR_A and ODOR_B; never used for selection
calibration_seeds: [86101,86102,86103,86104,86105,86106,86107,86108,86109,86110,86111,86112,86113,86114,86115,86116,86117,86118,86119,86120]
validation_seeds: [87101,87102,87103,87104,87105,87106,87107,87108,87109,87110,87111,87112,87113,87114,87115,87116,87117,87118,87119,87120]
odor_seed_offset: 1000000
timing_gate:
  ratio: 3.0
  qualifying_fraction_each_odor: 0.8
  mean_ratio_each_odor: 3.0
  selection: maximize minimum across calibration odors of 20th percentile per-seed matched/random ratio; ties choose shorter window then earlier US
  random: exact expectation of one US uniformly sampled from 1200 discrete timesteps; identical KC stream
  no_zero_denominator_pass: true
live_US_checks:
  first_seeds_per_validation_odor: 2
  random_seed_offset: 9700000
  require_noUS_vs_forcedUS_credit_exact: true
  require_v2_CPU_vs_runtime_trace_exact: true
scope:
  formal_AB_used: false
  weight_updates: false
  fixed_US_only: true
  response_triggered_US: false
  no_odor_specific_US: true
  all_old_heldout_data_now_exploratory: true
  heldout_odors_not_used_for_timing_selection_but_previously_tested_in_4L: true
  candidate: timing-only, not credit-specificity or memory