tegwick
5734b280c6
Checks written as plain functions over a serialized Evidence Pack, outside the framework - no Oracle, no Runner, no Verdict aggregation. 12 tests that they hold, 12 that they can fail. All four td://self identifiers covered. The substantive check is verdict reproducibility from S3 evidence alone, asserted on failing runs as well as passing ones. F-0003 (open): actor isolation leaves no trace in ordinary evidence - the self-test catches a shared memory store only because the harness plants per-actor canaries. Isolation is currently a property of a scenario written to expose it, not of runs in general. The mirror-image case is noted too: a guarantee enforced by construction cannot be verified by observing real runs, so four green self-tests are not four equivalent proofs. Carried to T10. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Assistant: claude-code Assistant-Model: opus Assistant-Process: 1629012@bnt-lap001 Assistant-Session: 78d4fb13-8a1e-474b-87a3-9b9261c49a39
59 lines
3.9 KiB
Markdown
59 lines
3.9 KiB
Markdown
# Concept ↔ Implementation Fitness Map
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**Updated:** 2026-08-22 (TD-WP-0002-T06)
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Traces each important concept to the implementation, experiment and evidence that
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support it. **Unsupported entries are the point of this map** — a concept with no
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implementation and no evidence is not a gap to be embarrassed about, it is the
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current honest state, and hiding it defeats the map's purpose.
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Support levels follow `TestDriverImprovementLoop.md` §13:
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`C0 Idea` · `C1 Hypothesis` · `C2 Experimentally Supported` ·
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`C3 Practically Validated` · `C4 Architectural Invariant`
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## Current state
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The deterministic kernel exists (T04) and its guarantees are covered by unit
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tests. **Levels have not moved.** A passing unit test is not an experiment: it
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shows the code does what its author intended, not that the concept holds under
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the mutations it claims to survive. Levels rise when E-001/E-002/E-003 produce
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evidence, not before. The implementation column below moves; the level column
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does not. The initial classifications in §13 of the Improvement Loop
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(`Actor Isolation C2`, `Independent Oracles C2`) are corrected downward here: they
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were aspirational, not evidenced.
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| Concept | Level | Implementation | Experiment | Evidence | Open question |
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|---|---|---|---|---|---|
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| `C-use-case` | C1 | `intent.py` | — | — | Is a use case expressible without leaking mechanics? |
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| `C-actor-isolation` | C1 | `world.py` | E-001 | `td://self/actor-isolation` | **F-0003** — only observable when the scenario plants canaries. |
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| `C-semantic-action` | C1 | `actions.py` | E-001 | — | Does identity survive restructuring better than a recorded sequence? (H-001) |
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| `C-oracle-independence` | C1 | `runner.py`, `oracles.py` | E-001, E-003 | — | Independence of components ≠ independence of belief. (H-004) |
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| `C-evidence-pack` | C1 | `evidence.py` | — | `td://self/evidence-reproducibility` | Verdicts are reproducible from S3 alone, on passing and failing runs. |
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| `C-observation-channel` | C1 | `lab/app.py` | — | — | **D-07** — required of every system under test. Adoption cost unknown. |
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| `C-adaptation` | C1 | — (T08) | E-001 | — | (H-002) |
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| `C-classification` | C1 | — (T08) | E-001, E-003 | — | Decision table is total on paper; unexercised. |
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| `C-crystallization` | C1 | — (T09) | E-002 | — | (H-003) |
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| `C-intent-provenance` | C1 | `provenance.py` | E-003 | `td://self/intent-independence` | Constrains provenance, not quality. Accepted residual. |
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| `C-lineage` | C0 | — | — | — | Parent pointer only in the spike. |
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| `C-energy` | C0 | `energy.py`, capture only | — | — | Dormant by decision. (H-005) |
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| `C-temperature` | C0 | — | — | — | Deferred. No implementation planned in TD-WP-0002. |
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| `C-confidence` | C0 | — | — | — | Deferred. |
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| `C-campaign` | C0 | — | — | — | Deferred. |
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| `C-metabolism` | C0 | — | — | — | Deferred. Depends on C-energy. |
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| `C-retirement` | C0 | — | — | — | Deferred. Depends on C-energy. |
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| `C-security-mutation` | C1 | `lab/mutations.py` | E-003 | `lab/GROUND-TRUTH.md` | Catalogue is hand-written; no derivation mechanism from use cases yet. |
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## Orphan check
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**Conceptual orphans** — concepts with no planned implementation in `TD-WP-0002`:
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`C-temperature`, `C-confidence`, `C-campaign`, `C-metabolism`, `C-retirement`.
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All five are deferred *by explicit decision*, not oversight. They are the group
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most at risk of being built because they are easy and satisfying, and never
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validated. They are revisited at T10, where the question is not "when do we build
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these" but "does the evidence justify keeping them in the model at all".
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**Implementation orphans** — none. Every module in `src/testdriver/` traces to a
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concept above. `energy.py` is the one to watch: it exists solely to capture
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events for a dormant hypothesis, and if T10 finds no use for the history it
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should be removed rather than kept out of sentiment.
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