# Implementation Close-Out: Spec 383 - Baseline Compare Result Semantics and Gap Classification v1

## Scope Delivered

- Added provider-neutral compare result semantics under `apps/platform/app/Support/Baselines/CompareSemantics/`.
- Replaced authoritative baseline compare gap/result reasons with V1 values such as `missing_local_evidence`, `missing_provider_resource`, `unresolved_duplicate_candidates`, `foundation_inventory_only`, `compare_not_supported`, and `compare_failed`.
- Added structured `baseline_compare.result_semantics` payloads with run outcome, operation outcome, counts by reason/category/actionability/readiness impact, and bounded subject outcomes.
- Extended `baseline_compare.evidence_gaps` with structured category/actionability/readiness counts while keeping existing `summary_counts` keys compatible.
- Updated existing Filament/Livewire compare surfaces to render provider-neutral labels from persisted context.
- Updated compare, matching, coverage, matrix, monitoring, and presentation regression tests.

## Explicit Boundaries

- No new database tables, migrations, indexes, persisted entities, env vars, queues, scheduler entries, routes, navigation entries, Filament panel providers, actions, modals, drawers, wizards, assets, or storage paths were added.
- No Spec 384 operator resolution UI, manual bind/exclude/accept-limitation workflow, or operator decision screen was implemented.
- No Spec 385 final Evidence Snapshot readiness mapping, Review Pack publication blocker mapping, or customer-facing report/review wording was implemented.
- Existing `missing_policy` finding `change_type` semantics remain unchanged because they are drift-finding evidence, not baseline compare result truth.
- Remaining legacy strings are limited to capture flows, historical/capture enum cases, portfolio preview matching, or negative guard tests that prove old values are not authoritative in the new semantics model.

## Filament Contract

- Livewire v4 compliance: project package state is Livewire v4.x and no Livewire v3 APIs were introduced.
- Provider registration: no Filament panel provider changes were made; Laravel provider registration remains in `apps/platform/bootstrap/providers.php`.
- Global search: no globally searchable Filament resources were added or changed.
- Destructive/high-impact actions: no actions were added or changed; therefore no new confirmation or authorization path was introduced.
- Asset strategy: no Filament or frontend assets were registered; no `filament:assets` deployment step is newly required by this spec.

## Validation

- `cd apps/platform && ./vendor/bin/sail artisan test tests/Unit/Support/Baselines/CompareSemantics`
- `cd apps/platform && ./vendor/bin/sail artisan test tests/Unit/Support/Baselines/Matching tests/Unit/Baselines/CompareStrategyRegistryTest.php`
- `cd apps/platform && ./vendor/bin/sail artisan test tests/Unit/Support/Baselines/CompareSemantics/BaselineCompareOutcomeClassifierTest.php tests/Unit/Support/Baselines/Matching/MatchingOutcomeTest.php tests/Unit/Support/Baselines/Matching/SubjectMatchingPipelineTest.php tests/Unit/Services/Baselines/Matching/FoundationCoverageResolverTest.php tests/Unit/Support/Baselines/SubjectResolverTest.php tests/Unit/Baselines/CompareSubjectResultContractTest.php tests/Feature/Baselines/BaselineCompareGapClassificationTest.php tests/Feature/Baselines/BaselineCompareAmbiguousMatchGapTest.php tests/Feature/Baselines/BaselineCompareExecutionGuardTest.php tests/Feature/Baselines/BaselineCompareResumeTokenTest.php tests/Feature/Baselines/BaselineCompareProviderResourceBindingCanonicalIdentityTest.php tests/Feature/BaselineDriftEngine/CompareFidelityMismatchTest.php tests/Feature/Filament/BaselineCompareEvidenceGapTableTest.php tests/Feature/Filament/BaselineGapSurfacesDbOnlyRenderTest.php tests/Feature/Filament/OperationRunEnterpriseDetailPageTest.php tests/Feature/Filament/BaselineCompareLandingAdminTenantParityTest.php tests/Feature/Filament/BaselineCompareLandingWhyNoFindingsTest.php tests/Feature/Filament/NeedsAttentionWidgetTest.php tests/Feature/Filament/OperationRunBaselineTruthSurfaceTest.php`
- `cd apps/platform && ./vendor/bin/sail artisan test tests/Feature/Baselines/BaselineCompareCoverageGuardTest.php tests/Feature/Baselines/BaselineCompareWhyNoFindingsReasonCodeTest.php tests/Feature/Baselines/BaselineCompareMatrixBuilderTest.php tests/Feature/Monitoring/GovernanceOperationRunSummariesTest.php tests/Feature/Baselines/BaselineGapContractCleanupTest.php`
- `cd apps/platform && ./vendor/bin/sail artisan test tests/Feature/Evidence/BaselineDriftPostureSourceTest.php tests/Feature/ReviewPack/Spec347ReviewPackReadinessSemanticsTest.php tests/Feature/ReviewPack/Spec349ReviewPackResolutionGuidanceTest.php`
- `cd apps/platform && ./vendor/bin/sail artisan test tests/Feature/Filament/BaselineCompareExplanationSurfaceTest.php tests/Feature/Filament/BaselineCompareLandingWhyNoFindingsTest.php tests/Feature/Filament/BaselineCompareSummaryConsistencyTest.php tests/Feature/Filament/BaselineCompareEvidenceGapTableTest.php`
- `cd apps/platform && ./vendor/bin/sail pint ...changed files...`
- `cd apps/platform && ./vendor/bin/sail bin pint --dirty --format agent`
- `git diff --check`

## Browser Decision

Browser smoke was not run. The implementation changed persisted compare semantics, labels, and Livewire/Filament context rendering only; it did not change layout structure, navigation, actions, JavaScript behavior, routes, or assets. Existing Livewire/Filament feature tests cover the affected rendered surfaces.

## Deployment Impact

- Staging/production require code deploy only.
- No migrations or data backfill are required.
- Existing historical OperationRun payloads are not rewritten.
- Queue workers should be restarted as part of the normal Laravel deploy so queued compare jobs use the new semantics code.
- No new environment variables, storage volumes, cron/scheduler entries, or Dokploy-specific configuration changes are required.