ES-105 Stage Manifest¶
Manifest purpose¶
This manifest is the structured contract for ES-105.
Stage identity¶
| Field | Value |
|---|---|
| Stage ID | ES-105 |
| Stage Name | Design and Technical Decisions |
| Stage Family | Construction Preparation |
| Stage Type | Project evidence production |
| Estimated Effort | Half day |
| Prerequisites | ES-104 — Architecture |
| Previous Stage | ES-104 — Architecture |
| Next Stage | ES-106 — Implementation Readiness |
| Primary Output | Design evidence package |
| Publication Status | Production-ready |
Stage mission¶
Translate architecture into concrete design decisions, interfaces, data structures, workflows, controls, and implementation-ready technical choices.
Primary engineering question¶
What design decisions, interfaces, data structures, workflows, and controls are required to implement the architecture responsibly?
Inputs¶
| Input | Required | Source |
|---|---|---|
| Architecture overview | Yes | docs/architecture/architecture_overview.md |
| System context | Yes | docs/architecture/system_context.md |
| Component model | Yes | docs/architecture/component_model.md |
| Data and evidence flow | Yes | docs/architecture/data_and_evidence_flow.md |
| Quality attribute strategy | Yes | docs/architecture/quality_attribute_strategy.md |
| AI-control architecture | Conditional | docs/architecture/ai_control_architecture.md |
| Architecture decision records | Yes | docs/architecture/architecture_decision_records.md |
| Architecture review | Yes | docs/architecture/architecture_review.md |
| Architecture readiness summary | Yes | docs/architecture/architecture_readiness_summary.md |
Outputs¶
| Output | Repository Location |
|---|---|
| Design overview | docs/design/design_overview.md |
| Interface design | docs/design/interface_design.md |
| Data design | docs/design/data_design.md |
| Workflow design | docs/design/workflow_design.md |
| Access-control design | docs/design/access_control_design.md |
| AI interaction design | docs/design/ai_interaction_design.md |
| Error and exception design | docs/design/error_and_exception_design.md |
| Technical decision records | docs/design/technical_decision_records.md |
| Design review | docs/design/design_review.md |
| Design readiness summary | docs/design/design_readiness_summary.md |
Required evidence¶
- architecture-to-design evidence;
- interface evidence;
- data design evidence;
- workflow evidence;
- access-control evidence;
- AI interaction evidence where applicable;
- error and exception evidence;
- technical decision evidence;
- review evidence;
- transition evidence.
Completion criteria¶
ES-105 is complete when all required design artifacts exist, design traces to architecture, interfaces are clear, data structures support evidence needs, workflows are defined, access control is explicit, AI interaction is explicit or not applicable, failure behavior is defined, technical decisions are recorded, design review is complete, and ES-106 readiness is documented.
Success criteria¶
ES-105 succeeds when ES-106 can begin implementation readiness without guessing interfaces, data structures, workflows, access-control behavior, AI interaction rules, failure handling, or design rationale.
Risks if skipped¶
Skipping ES-105 may result in implementation by assumption, inconsistent component behavior, weak evidence records, access-control gaps, AI-review bypasses, failure behavior discovered too late, and testing ambiguity.
The manifest preserves the stage contract so future maintainers know what ES-105 was intended to produce and protect.