102 lines
3.1 KiB
Markdown
102 lines
3.1 KiB
Markdown
# ADR-0100 — Physics Reasoning-Capable Ratification
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**Status:** Accepted
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**Date:** 2026-05-21
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**Accepted:** 2026-05-22
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**Author:** CORE agents + reviewers
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**Depends on:** ADR-0091, ADR-0092, ADR-0093, ADR-0096, ADR-0097
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---
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## Acceptance evidence
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Accepted after `physics` became a mechanically ratified `reasoning-capable` ledger row:
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- `language_packs/data/en_physics_v1/manifest.json` carries Domain Pack Contract v1 fields.
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- `teaching/domain_chains/physics_chains_v1.jsonl` supplies reviewed active chains.
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- `tests/test_adr_0100_0102_sibling_ratifications.py` pins:
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- all nine predicates pass for `en_physics_v1`
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- the ledger row status is `reasoning-capable`
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- provenance points at `adr-0100:reviewed:*`
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- `expert_demo` remains false
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- claimed operators `causal` and `modal` meet chain coverage
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- declared lanes include `foundational_physics_ood`, `inference_closure`, and `fabrication_control`
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---
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## Context
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The physics substrate is structurally complete:
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- `language_packs/data/en_physics_v1/` ships with manifest, lexicon, glosses.
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- `teaching/domain_chains/physics_chains_v1.jsonl` exists.
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- `evals/foundational_physics_ood/` exists with dev/public/holdout coverage.
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- `docs/gaps.md` marks physics gaps closed.
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- Chain coverage and intent-shape coverage satisfy ADR-0091 predicates.
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This ADR applies the ADR-0097 ratification template to the physics domain.
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---
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## Decision
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Ratify `en_physics_v1` as `reasoning-capable` under ADR-0091 by emitting
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the contract fields into its manifest and passing domain-contract validation.
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### Manifest additions
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```jsonc
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{
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"domain_contract_version": 1,
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"domain_id": "physics",
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"axioms": null,
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"rules": null,
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"teaching_chains": ["physics_chains_v1"],
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"eval_lanes": [
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{"lane": "foundational_physics_ood", "version": "v1", "splits": ["dev", "public", "holdout"]},
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{"lane": "inference_closure", "version": "v1", "splits": ["dev", "public", "holdout"]},
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{"lane": "fabrication_control", "version": "v1", "splits": ["dev", "public", "holdout"]}
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],
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"reviewers": ["shay-j"],
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"known_gaps": [],
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"provenance": "adr-0100:reviewed:2026-05-21"
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}
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```
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Claimed operator families: `causal`, `modal`.
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`axioms` and `rules` stay `null` at v1 — physics demonstrates reasoning
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through reviewed causal/modal chain composition, not declarative axioms.
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### What this ADR does not do
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- Does not introduce new lemmas, chains, or evals.
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- Does not promote to `expert-demo`.
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- Does not modify runtime mount behavior.
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---
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## Invariant
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`physics_reasoning_capable_ledger_row` — `core capability ledger` emits
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a row for `domain_id: physics` with `status: reasoning-capable`,
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provenance pointing at this ADR, and `expert_demo: False` until a future
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ADR attaches audit-tour-equivalent reports.
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---
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## Lane
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Existing lanes carry the evidence:
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- `foundational_physics_ood/` — positive coverage
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- `inference_closure/` — composition
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- `fabrication_control/` — negative control
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- `evals/domain_contract_validation/` — predicate validation
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---
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## Consequences
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- Second ratified `reasoning-capable` domain.
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- Demonstrates the ADR-0091 contract is not math-only.
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- Provides an additional domain source for later showcase composition.
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