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TenantAtlas/specs/395-product-surface-gate/implementation-report.md
ahmido 4a50c6a580 feat: add product surface gate and gatekeeper contracts (#466) 
Automated PR created by Codex via Gitea API.

Co-authored-by: Ahmed Darrazi <ahmed.darrazi@live.de>
Reviewed-on: #466
2026-06-21 19:44:56 +00:00

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Implementation Report: Spec 395 - Product Surface Contract Enforcement and Surface Reduction Gate v1

Repo State

  • Branch: 395-product-surface-gate
  • Starting HEAD: a6c064cb feat: improve provider readiness semantics and freshness guidance (#465)
  • Initial dirty state: specs/395-product-surface-gate/ existed as an untracked prepared spec directory before implementation.
  • Selected implementation slice: default workflow/docs/templates/tests slice.
  • Runtime UI default: no rendered UI, route, Filament, Livewire, Blade, CSS, JavaScript, navigation, panel provider, action, table, form, modal, resource, relation manager, widget, or asset change.

Product Surface Contract Location

  • Canonical location: docs/product/standards/product-surface-contract.md
  • Why this location: docs/product/standards/ already owns concrete product standards and indexes guard-enforced review contracts. Keeping the Product Surface Contract there avoids duplicating full rule tables across .specify/, AGENTS, and PR templates.
  • Related references updated: docs/product/standards/README.md, docs/ui/operator-ux-surface-standards.md, docs/ui/action-surface-contract.md, and docs/ui-ux-enterprise-audit/README.md.

Constitution Amendment

  • Amendment: added Product Surface Contract Gate (PSC-001).
  • Version change: 2.14.0 -> 2.15.0.
  • Last amended: 2026-06-21.
  • Rationale: Future UI-affecting specs need a hard completion gate for page archetype, surface budgets, technical demotion, browser/no-browser proof, human sanity review, no-legacy posture, visible complexity outcome, and close-out evidence.
  • Impacted templates/specs list: .specify/templates/spec-template.md, .specify/templates/plan-template.md, .specify/templates/tasks-template.md, .specify/templates/checklist-template.md, .specify/README.md, Agents.md, .gitea/pull_request_template.md, and Spec 395 implementation artifacts.

Guardrail And Test Governance

  • Test purpose / classification: Heavy-Governance / surface-guard.
  • New guard family: product-surface-contract-gate.
  • Lane registration: apps/platform/tests/Support/TestLaneManifest.php and apps/platform/tests/Pest.php.
  • Fixture cost: file-based repository assertions only; no browser, provider, tenant, workspace, session, queue, or seed fixture added by this feature.
  • Runtime/lane impact: one new deterministic guard file in the existing surface-guard family; no fast-feedback lane expansion.

Browser And Human Sanity

  • Browser proof: N/A - no rendered UI surface changed.
  • No-browser rationale: implementation changed workflow docs, standards docs, Spec Kit templates, PR checklist, and guard tests only.
  • Human Product Sanity: workflow sanity check completed against the contract wording. The default rendered product surface is unchanged, and the gate requires future UI-affecting specs to prove one dominant action, technical demotion, canonical statuses, and neutral/decreased visible complexity.

Runtime And Deployment Impact

  • Livewire v4 compliance: unchanged; project runs Livewire 4.1.4 and no Livewire code changed.
  • Provider registration location: unchanged; Laravel 12 panel providers remain in apps/platform/bootstrap/providers.php.
  • Global search posture: unchanged; no Filament Resource or globally searchable resource changed.
  • Destructive/high-impact actions: none added or changed.
  • Asset strategy: no Filament assets registered; filament:assets is not required for this slice.
  • Environment variables: none.
  • Migrations: none.
  • Queues / scheduler: unchanged.
  • Storage / volumes: unchanged.

Completed-Spec Rewrite Assertion

Specs 368, 370, 375, and 377 were read as historical context only. No completed spec close-out, validation result, completed task, smoke result, browser evidence, screenshot, or review history was rewritten or removed.

First Reduction Boundary

  • Runtime reduction included: no.
  • Reason: all candidate runtime reductions would require page-specific UI coverage, browser proof, and human sanity criteria. Spec 395 v1 ships the gate first and records those runtime reductions as follow-up candidates.
  • Follow-up candidates:
    • Receipt Page Reduction Pass: Evidence Snapshot, Baseline Snapshot, Restore Run Detail, Review Pack Receipt.
    • Decision Page Reduction Pass: Baseline Compare, Restore Preview, Review Resolution Decision.
    • Dashboard and Inbox Link Budget Pass: Environment Dashboard, Workspace Overview, Governance Inbox, Findings, Operations Hub.
    • CI strictness expansion for UI bloat/product-surface guard rules after allowlist cleanup.
    • Manual system-panel browser fixture or documented audit procedure from Spec 377.

Validation Results

  • cd apps/platform && ./vendor/bin/sail artisan test --compact --filter=ProductSurface: passed, 5 tests / 25 assertions. Final rerun duration: 11.88s.
  • cd apps/platform && ./vendor/bin/sail artisan test --compact --filter=UiBloatRegressionGuard: passed, 10 tests / 40 assertions. Duration: 26.20s.
  • cd apps/platform && ./vendor/bin/sail artisan test --compact --filter=TestLaneManifest: passed, 6 tests / 327 assertions. Duration: 25.94s.
  • cd apps/platform && ./vendor/bin/sail bin pint --dirty --format agent: passed.
  • git diff --check: passed.
  • New/untracked file whitespace check via git diff --check --no-index: passed for ProductSurfaceContractGateTest.php, product-surface-contract.md, and Spec 395 artifacts.
  • bash scripts/check-ui-productization-coverage HEAD: passed with no guarded UI surface paths changed.
  • Runtime-reduction inspection: rg found page-specific candidates such as OperationRun links, Open operation labels, and System widget Healthy / Warning labels. No runtime reduction was included because each candidate requires exact surface coverage, browser proof, and human sanity criteria under a separate scoped UI update.

Files Changed

  • .gitea/pull_request_template.md
  • .specify/README.md
  • .specify/memory/constitution.md
  • .specify/templates/checklist-template.md
  • .specify/templates/plan-template.md
  • .specify/templates/spec-template.md
  • .specify/templates/tasks-template.md
  • Agents.md
  • apps/platform/tests/Feature/Guards/ProductSurfaceContractGateTest.php
  • apps/platform/tests/Pest.php
  • apps/platform/tests/Support/TestLaneManifest.php
  • docs/product/standards/README.md
  • docs/product/standards/product-surface-contract.md
  • docs/ui-ux-enterprise-audit/README.md
  • docs/ui/action-surface-contract.md
  • docs/ui/operator-ux-surface-standards.md
  • specs/395-product-surface-gate/checklists/requirements.md
  • specs/395-product-surface-gate/implementation-report.md
  • specs/395-product-surface-gate/plan.md
  • specs/395-product-surface-gate/spec.md
  • specs/395-product-surface-gate/tasks.md

Known Limitations

  • The Product Surface Contract is a workflow and review gate, not a complete runtime scanner for every rule.
  • CI hard-fail expansion for all Product Surface rules remains out of scope until false-positive behavior is proven.