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016-pretty-table/.agents/skills/artifact/references/DCD.md
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Tirsvad b0a7414204 Add Pretty Table project: plan, accepted documents and code
Business Case, Stakeholder Analysis, Project Plan and milestone MIL-001
with review records RC-001 to RC-003, then the Python project: PrettyTable
Pokemon table, constants, pytest tests, pyproject.toml, Doxyfile, CI
workflow and README.

Task: MIL-001#1
Task: MIL-001#2
Task: MIL-001#3
Task: MIL-001#4
Task: MIL-001#5
Task: MIL-001#6
Task: MIL-001#7
Task: MIL-001#8
2026-10-07 12:02:59 +08:00

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Design Class Diagram (DCD) (DCD)

Cite in CrossReference only if the instance exists (new-artifact.sh checks this for you):

  • DM — Concepts each design class refines — names must stay consistent
  • SD — Messages that become method signatures
  • ERD — Forward: persistence of the classes' attributes

Required sections (after Metadata / Version History)

  1. Purpose and Scope.
  2. Diagram — PlantUML class diagram: visibility markers (+ - #) on every member; association vs aggregation vs composition vs dependency used per true ownership/lifecycle; multiplicity and navigability on every association.
  3. Class Table — Class | Refines (Domain Model concept) | Responsibility (one sentence) | Attributes | Operations. SOLID applied; no god classes; names consistent with the Domain Model.
  4. Method Traceability — Method signature | Operation Contract / SD message; every method traces to one.
  5. Pattern Annotations — Pattern | Classes | Rationale, explicit.
  6. Dependency Check — note confirming no circular class/package dependencies (or an explicit justification).

Terminology

Class and attribute names are the IT terms from the dictionary (DICT), not the PO terms the Domain Model uses.