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Architecture Conformance Pass - 2026-02-07 (Follow-Up)

Scope

Follow-up pass for findings raised in docs/migration/04-architecture-conformance-pass-2026-02-07.md after remediation updates.

Executive Result

Overall status: Aligned.

  • High findings open: 0 (3 closed)
  • Medium findings open: 0 (3 closed)
  • Total open findings: 0

Findings Status Update

ID Previous Status Current Status Evidence Notes
AR-001 Conflict (High) Resolved docs/migration/00-overview.md:160, docs/migration/00-overview.md:172, docs/migration/libraries/00-libraries-overview.md:12, docs/migration/libraries/06-shared-bundles.md:13 Shared mutable domain bundle strategy replaced with capped package policy and island-local domain ownership.
AR-002 Conflict (High) Resolved docs/migration/00-overview.md:24, docs/migration/00-overview.md:144, docs/migration/00-overview.md:158, docs/migration/erp-middleware/00-erp-boundary-contract.md:20 Architecture communication model is now explicit sync REST + async events with outbox/inbox boundary rules.
AR-003 Gap (High) Resolved docs/migration/webshop/02-products.md:227, docs/migration/webshop/02-products.md:248, docs/migration/webshop/02-products.md:337, docs/migration/webshop/02-products.md:807 Wheel-set projection model, deterministic key, recompute triggers, SLI targets, and schema were added.
AR-004 Gap (Medium) Resolved docs/migration/stock-import/00-stock-import-overview.md:81, docs/migration/stock-import/00-stock-import-overview.md:139, docs/migration/platform-export/00-platform-export-overview.md:128, docs/migration/platform-export/00-platform-export-overview.md:195 Connector runtime controls are now documented in both integration islands: idempotency, retry/backoff, DLQ replay, checkpoints/watermarks, queue classes, and acceptance scenarios.
AR-005 Gap (Medium) Resolved docs/migration/erp-middleware/00-erp-boundary-contract.md:7, docs/migration/erp-middleware/00-erp-boundary-contract.md:32, docs/migration/erp-middleware/00-erp-boundary-contract.md:50, docs/migration/00-overview.md:140 Dedicated ERP contract doc now defines ownership, sync/async contracts, reliability, and SLO/SLI targets.
AR-006 Conflict (Medium) Resolved docs/migration/libraries/00-libraries-overview.md:14, docs/migration/libraries/00-libraries-overview.md:24, docs/migration/libraries/06-shared-bundles.md:5 Library guidance now aligns with capped package policy and deprecates bundle-first shared domain approach.

Per-Island Status

Island/Area Status Summary
Webshop Mostly aligned Wheel-set performance and projection model are now explicit.
Stock Import Aligned Security boundary and connector runtime reliability contract are documented.
Platform Export Aligned Export/order flows and connector runtime reliability contract are documented.
Vehicle Data Mostly aligned Projection-first fitment model remains aligned.
ERP Middleware Aligned Contract boundaries, ownership, reliability, and SLOs are documented.
Shared Libraries/Bundles Aligned Package cap and no-shared-mutable-domain policy are now explicit.
Operations (Cross-Cutting) Aligned Scheduler model and connector runtime reliability expectations are now aligned across docs.

Remaining Work

No open architecture findings from the original AR-001..AR-006 set.

Recommended next step:

  1. Keep future changes gated through docs/migration/03-architecture-review-checklist-template.md.

Exit Criteria For Full Alignment

  1. All critical architecture changes continue to include explicit sync + async contracts.
  2. Integration islands maintain idempotency/replay acceptance scenarios as connectors are added.
  3. Any new shared package or deployable passes ADR gate checks before implementation.