System detailed design: four-model cross-review complete
Add system-detailed-design.md (2033 lines, 23 sections) derived from
frozen baselines and overview. Complete four-model cross-review:
- DeepSeek: baseline coverage audit (PASS, 9.6/10)
- MIMO 2.5 Pro: internal consistency (PASS, 9.4/10)
- GPT-5.5 Pro: baseline conflict detection (Requires repair)
- Opus 4.8: validation + root cause analysis (CONDITIONAL PASS, 9.1/10)
Key findings requiring resolution before freeze:
- P1-01: Worker exit code semantic conflict (baselineV1 vs overview)
- P1-02: PromptLayerLevel enum vs L0-L9 layer name mismatch
- P1-03: EventStore.project() error handling undefined
- P1-04: PromptLayerLoader interface incomplete for 10 layers
Coverage verified: 100% contracts, events, DB schema, state machines.
Architecture validated: no circular dependencies, proper separation.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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