Add evidence classes: mechanism, measured scope, and environment - #16
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The end state's second commitment: a scalar tier cannot express what a
policy floor needs ("this path requires a T2 adversarial pair and an
integration probe"). Evidence now carries three class fields, each
honest about its provenance:
- Mechanism: set by every runner from its own identity, including on
early returns, so a policy engine never parses probe ids.
- Scope: the MEASURED execution footprint of an instrumented run —
single-package or cross-package from the coverage profile's executed
blocks; empty means unmeasured, never assumed.
- Environment: the toolchain the probe ran under, measured once per
process from the `go` that executes the probes (a go.mod toolchain
directive is honored); empty when unmeasured.
Schema 0.0.9.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_015GeUG1gboWiZSnFyzQghyp
correctful receipt3 claims — ✅ 3 verified · ❌ 0 refuted · Change:
|
| Tier | Claim | Statement |
|---|---|---|
| T1-assertion | TestEvidenceCarriesMechanismAndEnvironment |
Evidence Carries Mechanism And Environment |
| T1-assertion | TestScopeOfProfile |
Scope Of Profile |
| T1-assertion | TestScopeMeasuredThroughDispatcher |
Scope Measured Through Dispatcher |
Harvest coverage: 8 files — 3 claimed · 5 scanned · 0 unread
3 spec-id mention(s) not minted as claims — the repo defines no spec-id corpus, so a reference has no possible referent
schema 0.0.9 · exit gate: refuted claims block; the remainder informs, never fails
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Evidence gains three class fields for future policy floors:
mechanism(set by every runner from its own identity),scope(measured execution footprint from the coverage profile — single-package / cross-package / unmeasured), andenvironment(the measured probe toolchain). Schema 0.0.9. Covered by unit tests and real-module dispatcher runs, including a two-package fixture proving cross-package classification.🤖 Generated with Claude Code
https://claude.ai/code/session_015GeUG1gboWiZSnFyzQghyp