15 — Wire surviving organs to tensors (Sprint 3 / S3.3, Goal 3)

Pre-registered 2026-07-02 (human-approved sprint setup). Conditional spec: applies to exactly the components research/14 marks KEEP. If research/14 marks nothing KEEP (all no-effect or retrieval), this spec is recorded as VACUOUS — that outcome would itself close Goal 3's question honestly. Agents MUST NOT edit this spec.

Problem

Today organ outputs influence behavior by reranking label strings in organism.py:_rank_answer. That is not the thesis. Goal 3 says organ outputs must become changed dynamics: tensors entering the cortex state or the driver's injection surfaces.

Requirement (per surviving component)

1. Output enters one of the sanctioned tensor surfaces ONLY: cortex warm/cold state update, per-layer cvec, or written KV entries (encode_kv/generate_with_kv). No string reranking, no logit bias.
2. The string-ranker path for that component is deleted in the same change — not left as a fallback (dual paths make the ablation unattributable).
3. Unit tests prove the tensor path is exercised (mock driver assertion that the surface was written) and that no _rank_answer coupling remains.

Hypothesis & acceptance (per component)

H-WIRE(c): component c wired to tensors preserves or improves its research/14 additive effect.

Re-run the research/14 M2 additive arm for c (same protocol, seeds, split):

• Accept: Δ_tensor(c) ≥ Δ_string(c) − 0.05 AND Δ_tensor(c) > 0 with 95% CI excluding 0.
• Refute: otherwise — c is then either kept as RETRIEVAL-BASELINE (string path restored, honestly labeled) if it was one, or ARCHIVED. A refutation here is expected for components whose effect was really retrieval in disguise; that is the point of the test.

Reporting

Per-component before/after table (string vs tensor Δ, mean±CI), diff summary of removed string-ranker code, tests added; log to experiments_logs/<date>_s3_3_tensor_wiring.md quoting this spec.