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docs/implementation/task-eng.0-engineering-governance-2026-07-07.md

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+# Task ENG.0 Implementation Report - 2026-07-07
+
+## Scope
+
+- start and complete the documentation-only Engineering Governance phase
+- review business, architecture, UI, standards, security, and current implementation patterns already frozen by BU-R and AR work
+- produce the official engineering governance baseline for future implementation tasks
+
+## Review Summary
+
+Reviewed before drafting:
+
+- `AGENTS.md`
+- `plans/task-eng.0.md`
+- `docs/standards/task-contract-template.md`
+- `docs/standards/task-catalog.md`
+- `docs/standards/project-foundations.md`
+- `docs/standards/architecture-rules.md`
+- `docs/standards/ui-ux-rules.md`
+- `docs/standards/task-review-checklist.md`
+- `layout.md`
+- `docs/security/crm-authorization-boundaries.md`
+- `docs/business/relationship-sales-workspace-blueprint-v1.md`
+- `docs/implementation/task-bu-r.0-business-blueprint-freeze-2026-07-07.md`
+- `docs/implementation/task-bu-r.0.1-workspace-activity-business-blueprint-2026-07-07.md`
+- `docs/implementation/task-bu-r.1-business-capability-audit-2026-07-07.md`
+- `docs/implementation/task-ar.1-architecture-transition-plan-2026-07-07.md`
+- `docs/implementation/task-ar.2-epic-technical-design-2026-07-07.md`
+- `docs/implementation/task-ar.2-workspace-ui-ux-design-note-2026-07-07.md`
+- `src/lib/auth/session.ts`
+- `src/lib/auth/crm-access.ts`
+- representative route/service/foundation patterns under:
+  - `src/app/api/crm/**`
+  - `src/features/crm/customers/**`
+  - `src/features/products/**`
+  - `src/features/users/**`
+  - `src/features/foundation/audit-log/**`
+  - `src/features/foundation/approval/**`
+  - `src/features/foundation/storage/**`
+
+## What Was Produced
+
+- official engineering governance baseline:
+
+  `docs/standards/engineering-constitution.md`
+
+## Key Decisions Captured
+
+1. ENG.0 freezes review-first and reuse-first implementation as mandatory, not optional advice.
+2. Feature ownership, service boundaries, Route Handler patterns, and projection rules now follow one documented model aligned with current repo structure.
+3. Business logic remains service-owned; projections remain read-only; route handlers remain thin.
+4. Security enforcement is frozen around resolved CRM access, server-side scope enforcement, and pricing visibility checks.
+5. UI implementation is frozen to existing dashboard shell, `PageContainer`, shadcn/ui reuse, and no-code-before-design for major new workspace surfaces.
+6. Database, testing, delivery, AI implementation, and code review expectations are now documented in one standards file future tasks can cite directly.
+7. Preserve -> Extend -> Controlled Refactor -> Replace is frozen as the engineering decision matrix for change strategy.
+
+## Verification
+
+- Documentation-only change.
+- No schema, migration, API, service, UI, permission, or runtime business-logic files changed production behavior.
+- No build or test command was required for this phase.
+
+## Outcome
+
+ENG.0 now gives ALLA OS an explicit Engineering Constitution aligned with:
+
+- Business Constitution (`BU-R.0`, `BU-R.0.1`, `BU-R.1`)
+- Architecture Constitution (`AR.1`, `AR.2`)
+- Workspace UI Constitution
+- current foundations and production code patterns already present in the repository