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Forward Deployed
Staff AI System Design: Building an Enterprise AI Platform: sections and modules
T18.14

Architecture decision records

Read each decision the platform takes: its context, the options, the choice, its consequences and when to reverse it.

Lessons
13 lessons
By
Sourav Banerjee
Scope
ADR-001 to ADR-013, one per module from T18.2 (T18.13 records two); each module links its own
Prerequisites

Lessons

Start module
13 lessons
  1. 1
    ADR-001: Synchronous MVP with durable history

  2. 2
    ADR-002: Durable jobs with guarded worker ownership

  3. 3
    ADR-003: Versioned, permission-filtered retrieval

  4. 4
    ADR-004: Stateless app replicas and immutable passage reuse

  5. 5
    ADR-005: Bounded fair dispatch under fixed provider budgets

  6. 6
    ADR-006: Verified enterprise identity and audited disclosure

  7. 7
    ADR-007: Data-class consistency and evidence-based recovery

  8. 8
    ADR-008: Versioned quality evidence and controlled release pointers

  9. 9
    ADR-009: Approved inference routes with explicit memory and outcome limits

  10. 10
    ADR-010: Governed model customisation

  11. 11
    ADR-011: Residency-aware regional cells

  12. 12
    ADR-012: Versioned regional platform contracts and controlled adoption

  13. 13
    ADR-013: Regional authority quorum, cell route generations and dual-run economics

Practise and Check

Deliverable
Rewrite one ADR for a changed constraint and rescore it
Assessment
The decision exercise in the staff platform module (T18.13)
Interview probe
Walk me through one of your ADRs: what would make you reverse it?

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