Seal Phase 4AM whole-brain plastic interface audit without learning claim

models/male-cns-lif/wholebrain-plastic-interface-v1/PROTOCOL.md

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+# Phase 4AM — D18 whole-brain plastic interface
+
+This is a separate, non-trained branch. All Phase 1–4AL files remain read-only.
+The user authorized independent new-model dynamics hypothesis tests. No base
+CSR, transmitter sign, W_syn, neuron threshold, APL calibration, eligibility-v2,
+or 14,232-edge mask is changed. No game, decoder, RL, or visual input is used.
+
+## Fixed test order and scope
+
+1. All 120 sealed AK inputs and their 24 predeclared repeats run with exactly
+   zero plastic_delta. Compare every recorded state bit, event, count, delayed
+   edge queue, request acceptance, and APL generated/applied/pending sample
+   against AK. All must pass before any nonzero overlay runs.
+2. The same complete input inventory runs with one fixed diagnostic overlay:
+   the original float32 eligibility-v2 floor, `-.25 * base_candidate_mv`.
+   All 14,232 mask edges are included; all other weights remain identical.
+   Twenty-four technical repeats must be exact. This is not learned memory.
+   All presynaptic events are recomputed by the whole brain, unlike AL's
+   clamped-source MBON replay. No outcome selects an odor, compartment, dose,
+   parameter, or number of training pairings.
+3. Pure-function compatibility tests validate the frozen eligibility trace and
+   original additive apply_v2 rule. No reinforcement or weight update occurs
+   in any of these GPU trials. Fixed delta is installed only before tick zero.
+
+Report both cohorts, both modes, all odors and all seeds. Technical repeats do
+not increase the statistical sample. Matched-energy retains its inherited
+meaning: expected stochastic input, not exactly matched realized event counts.
+Simulation remains 100 ms, including its unadvanced delay/APL tail.
+
+## Explicit precision bridge — a new interface assumption
+
+The existing D18 brain uses float64 SI voltage weights. Frozen eligibility-v2
+uses float32 mV deltas and float32 candidate base amplitudes. The adapter keeps
+the original D18 base bytes and adds `float64(delta32) * float64(.001)` using
+separate non-fused operations, only on nonzero delta rows. Zero delta must not
+reconstruct the base through float32. Positive original mask weights must
+remain positive. This is not a claim of bitwise nonzero equivalence to the old
+float32 brain, nor of precisely 25% of float64 D18 amplitudes. The base candidate
+is reproduced from the pinned original Phase 4C NumPy expression, not converted
+back from the float64 brain. The mask and all units are recorded.
+
+Only the pre-loop weight-install hook is inserted in an AST-derived copy of
+the SHA-pinned AJ function. Its timestep loop AST and original CUDA operators
+remain identical. The old module is not patched and its original __file__ is
+not fabricated. Inherited AJ source metadata describes the parent; additional
+AM adapter provenance explicitly describes the new overlay. The original spike
+delay queue stores spike identities and reads fixed weights at arrival. No
+mid-trial update or implicit weight-snapshot delay rule is introduced.
+
+## Interpretation and next experiment boundary
+
+Record MBON, KC, DAN, actual MBON downstream, descending and motor output
+changes separately, as well as first divergence and recruited/lost KC cells.
+Static transfer is neither associative acquisition nor a maximal functional
+effect bound. A weak static response does not prove all sparse overlays fail.
+The full-brain response is not compared with AL as a strict arithmetic oracle:
+AL clamps feedback and its float64 0.75 multiplication is a different fixed
+precision intervention. Any side-by-side descriptive result states both.
+
+Conditioning must be separately preregistered. Keep the original 4L static
+ODOR_A (4-ethylphenol) and ODOR_B (3-hexanone), reciprocal cue assignments,
+type/compartment-specific US and frozen eligibility-v2. PAM/PPL1 alone never
+defines valence. The original D scalar is an artificial unconditioned-signal
+interface, not measured dopamine or the number of actually emitted DAN spikes.
+Log requests, acceptance, and actual DAN spikes separately. Multiplying D by
+actual accepted spikes would be a different explicitly registered hypothesis,
+not an unnoticed repair of eligibility-v2. No such change is made here.
+
+Later functional learning requires independent evaluation seeds, actual paired
+and control trajectories, MBON and downstream specificity, reversal and real
+time retention. Neither file validity, delta change nor a static response
+completes the learning goal. This stage creates no learned candidate.
+
+## Integrity
+
+Exclusive-create outputs, a pre-outcome source/input/config manifest, fixed
+trial inventory, unit-test records, complete per-trial recording hashes,
+pre/post frozen integrity, and the five unchanged deterministic-v2 reference
+trials are required. Partial outputs are preserved and never overwritten.
+No queued ComfyUI job is evicted. Only the declared RTX 4090 is used. The old
+references are regression checks of the old runtime, not proof of D18 biology.
+
+The biological limitations and primary-paper evidence are inherited unchanged
+from sealed AL EVIDENCE.md; this precision/interface implementation introduces
+no new single-cell physiological measurement or universal dopamine rule.