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core/docs/decisions/README.md
Shay 3005cd6f9a docs: ADR-0024 chain coverage across README, ADR index, contracts, papers 
Patent-grade precision pass over the doc surface so every claim
about the Forward Semantic Control chain is backed by a file path,
test count, or commit hash.

Updates by file:

README.md
  - Modernize Quick Start: add `core test --suite adr-0024`,
    `core demo phase6 / phase5 / all / list-results`, full CLI map.
  - New "Forward Semantic Control — The ADR-0024 Chain" section
    with layer/ADR mapping and CI-enforced C1/C2/C3 claims table.
  - Cross-links to runtime_contracts.md, phase5_stratified_findings,
    phase6_comparative_demo, and the central results directory.

docs/decisions/README.md
  - Index was stale at ADR-0014.  Add ADR-0015 through ADR-0026
    with accurate Accepted statuses.
  - New "ADR-0024 chain — Forward Semantic Control closure" section
    laying out the five-ADR / six-commit dependency order with test
    counts per phase.

docs/runtime_contracts.md
  - Add "Ranked-with-margin contract (ADR-0026 / Phase 3)" section
    between the existing Phase 2 refusal and Phase 4 rotor sections.
  - Documents threshold-mode vs margin-mode behaviour, δ = 0.4
    default, falsifiability gate, and Cl(4,1) signature motivation.

docs/PROGRESS.md
  - Add naming-note disambiguation: capability-roadmap "Phase N"
    vs ADR-0024 chain "Phase N" are distinct.
  - New top-of-document "ADR-0024 Chain — Forward Semantic Control
    Closure" section with per-phase commit + test-count table and
    a single-command verification path.

docs/Whitepaper.md
  - New Section XII "Forward Semantic Control — Generation Without
    Sampling" before Extensions.  Five-component description of the
    mechanism (region, intersection, destination check, rotor check,
    margin gate) with explicit "what a sampling LLM cannot exhibit"
    contrast.  Existing Section XII renumbered to XIII.

docs/Yellowpaper.md
  - New Section IX-B "Forward Semantic Control — Formal Admissibility
    Specification" with eight subsections covering:
      1. AdmissibilityRegion typed triple (I, B, Φ)
      2. Destination-side admissibility (σ_dest, admit_threshold)
      3. Rotor-side admissibility (σ_rotor, admit_rotor)
      4. Ranked-with-margin gate (admit_margin, deterministic
         tie-break by index, default δ = 0.4)
      5. Honest refusal (InnerLoopExhaustion typed evidence,
         RefusalReason enum, trace fold)
      6. Composition order at the generation seam
         (admit_step = intersection ∧ destination ∧ rotor)
      7. Replay determinism contract (5 test lanes pinning byte
         identity across reruns)
      8. Verification invariants table (6 new structural contracts)
  - Patent-grade: every predicate is named, every module is path-
    referenced, every test is file-referenced, the load-bearing
    architectural placement decision (rotor admissibility lives in
    generate/, NOT algebra/, NOT field/) is stated by name with
    its rejection reasoning.

No code changes; tests untouched (1099 passed, 2 skipped baseline
from commit 36aad75 still holds).
2026-05-17 16:28:54 -07:00

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# Architecture Decision Records
This directory contains the Architecture Decision Records (ADRs) for the CORE project.
ADRs record significant architectural decisions: what was decided, why, what alternatives were considered, and what consequences follow. They are permanent records — superseded ADRs are archived, not deleted.
---
## Index
| ADR | Title | Status |
|---|---|---|
| [ADR-0001](ADR-0001-vocab-layer-invariants.md) | Vocab Layer Invariants | Accepted |
| [ADR-0002](ADR-0002-ingest-layer-design.md) | Ingest Layer Design (original) | **Archived** — superseded by ADR-0012 |
| [ADR-0003](ADR-0003-coordinate-system-dissolution.md) | Coordinate System Dissolution | Accepted |
| [ADR-0004](ADR-0004-rotor-as-operator-not-property.md) | Rotor as Operator, Not Property | Accepted |
| [ADR-0005](ADR-0005-language-pack-contract.md) | Language Pack Contract | Accepted |
| [ADR-0006](ADR-0006-field-energy-operator.md) | Field Energy Operator | Accepted |
| [ADR-0007](ADR-0007-valence-layer.md) | Valence Layer | Accepted |
| [ADR-0008](ADR-0008-allocation-physics.md) | Allocation Physics | Accepted |
| [ADR-0009](ADR-0009-compositional-physics.md) | Compositional Physics | Accepted |
| [ADR-0010](ADR-0010-identity-physics.md) | Identity Physics | Accepted |
| [ADR-0011](ADR-0011-renderer.md) | Renderer | Accepted |
| [ADR-0012](ADR-0012-core-ingest-governance-layer.md) | `core_ingest` Governance Layer | Accepted |
| [ADR-0013](ADR-0013-sensorium-multimodal-protocol.md) | `sensorium/` Multimodal Protocol Layer | Accepted |
| [ADR-0014](ADR-0014-train-learning-loop.md) | `train/` Learning Loop | Accepted (Stub) |
| [ADR-0015](ADR-0015-language-packs-and-holonomy-resonance.md) | Language Packs as Compiled Linguistic Manifolds | Accepted |
| [ADR-0016](ADR-0016-capability-roadmap.md) | Capability Roadmap and Eval Methodology | Accepted |
| [ADR-0017](ADR-0017-agency-scope.md) | Agency Scope: Responsive-with-Axiology | Accepted |
| [ADR-0018](ADR-0018-tool-use-scope.md) | Tool Use Scope: Typed Deterministic Operators | Accepted |
| [ADR-0019](ADR-0019-exact-vault-recall-acceleration.md) | Exact Vault Recall Acceleration | Accepted |
| [ADR-0020](ADR-0020-phase5-rust-parity-sequencing.md) | Phase 5 / Rust Parity Sequencing | Accepted (2026-05-16) |
| [ADR-0021](ADR-0021-epistemic-grade-policy.md) | Epistemic Grade Policy | Accepted |
| [ADR-0022](ADR-0022-forward-semantic-control.md) | Forward Semantic Control | Accepted (2026-05-17) |
| [ADR-0023](ADR-0023-forward-semantic-control-proof.md) | Forward Semantic Control: Proof Evidence | Accepted |
| [ADR-0024](ADR-0024-inner-loop-admissibility.md) | Inner-Loop Per-Rotor Admissibility | Accepted |
| [ADR-0025](ADR-0025-rotor-frame-admissibility-design-note.md) | Rotor / Frame Admissibility | Accepted (2026-05-17) |
| [ADR-0026](ADR-0026-ranked-admissibility-with-margin.md) | Ranked Admissibility with Margin | Accepted (2026-05-17) |
---
## ADR-0024 chain — Forward Semantic Control closure
ADR-0022 through ADR-0026 form a single coherent chain that closes
forward semantic control as a non-stochastic, replay-deterministic,
trace-evidenced mechanism. Read in order:
1. **ADR-0022** — Forward Semantic Control. Establishes the
`AdmissibilityRegion` data structure (allowed indices, relation
blade, frame versor) and the contract that a region restricts the
admissible token set at generation time.
2. **ADR-0023** — Proof Evidence. Boundary-only proof that the
admissibility region is honored at the *region intersection* level
but not yet at the destination-token level.
3. **ADR-0024** — Inner-Loop Per-Rotor Admissibility. Adds the
destination-side check: each per-step selection is re-evaluated by
`cga_inner(versor(candidate), relation_blade) > threshold`, with
honest refusal (`InnerLoopExhaustion`) when every admissible
candidate is rejected. Six phases of implementation evidence
(Phases 1-6) plus typed `RefusalReason` taxonomy.
4. **ADR-0025** — Rotor / Frame Admissibility. Adds the rotor-side
check: when a region carries a `frame_versor`, the rotor's effect
on the field state (`versor_apply(V, F)`) is additionally checked
against the frame for positivity in CGA inner product. Lives in
`generate/rotor_admissibility.py` — a sibling-but-separate module,
not in `algebra/versor.py` (would couple algebra to pack state)
and not in `field/propagate.py` (forbidden normalization site).
5. **ADR-0026** — Ranked Admissibility with Margin. Replaces static
threshold tuning with a scale-invariant margin gate: admit iff
the top blade-score exceeds the second by ≥ δ. Defaults to
δ = 0.4. Falsifiable; characterization documented in
`docs/evals/phase5_stratified_findings.md`.
Implementation evidence:
| Phase | Commit | Tests |
|---|---|---|
| Phase 1 — pack-grounded fixtures | `3940290` | (rewrites) |
| Phase 2 — typed refusals + trace fold | `310793a` | +10 |
| Phase 3 — ranked-with-margin gate | `639e107` | +13 |
| Phase 4 — rotor / frame admissibility | `542e13d` | +11 |
| Phase 5 — stratified mechanism-isolation | `b664984` | +20 |
| Phase 6 — comparative demo vs baseline | `a076506` | +17 |
| CLI surface (suite aliases + `core demo`) | `36aad75` | +14 |
Runtime contracts for the chain are pinned in
[`docs/runtime_contracts.md`](../runtime_contracts.md) (Refusal
contract, Margin contract, Rotor admissibility contract sections).
---
## Session Logs
Session logs record the decisions and rationale from individual working sessions. They are not ADRs — they are the narrative record that informed the ADRs.
| Date | File |
|---|---|
| 2026-05-12 | [SESSION-2026-05-12.md](SESSION-2026-05-12.md) |
| 2026-05-12 (addendum) | [SESSION-2026-05-12-b.md](SESSION-2026-05-12-b.md) |
| 2026-05-12 (language packs) | [SESSION-2026-05-12-language-packs-addendum.md](SESSION-2026-05-12-language-packs-addendum.md) |
| 2026-05-13 | [SESSION-2026-05-13.md](SESSION-2026-05-13.md) |
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