45 lines
1.3 KiB
Markdown
45 lines
1.3 KiB
Markdown
# E3.M4 — SinkAndDurabilityLifecycle
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## Summary
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| Field | Value |
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|--------|--------|
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| **Module ID** | E3.M4 |
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| **Epic** | [Epic 3 — Crafting Economy](../epics/epic_03_crafting_economy.md) |
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| **Stage target** | Pre-production |
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| **Status** | Planned (see [dependency register](module_dependency_register.md)) |
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## Purpose
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Item decay, consumption, repair, and other sinks that sustain demand; may integrate with market/trade flows from [E8.M3](E8_M3_PlayerTradeAndMarketplace.md).
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## Responsibilities
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- Track `DurabilityState`; emit `ItemSinkEvent`; apply `RepairCostRule` server-authoritatively.
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## Key contracts
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| Contract | Role |
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|----------|------|
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| `DurabilityState` | Wear and breakage. |
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| `ItemSinkEvent` | Destruction/consumption audit trail. |
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| `RepairCostRule` | Currency and material costs. |
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## Module dependencies
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- **E3.M3** — ItemizationAndInventorySchema.
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- **E8.M3** — PlayerTradeAndMarketplace (epic dependency for settlement-related sinks).
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## Dependents (by design)
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- **E3.M5** — EconomyBalancePolicy.
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## Related implementation slices
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Epic 3 **Slice 4** — `item_sink`, `repair_performed`.
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## Source anchors
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- Master plan: [`neon_sprawl_vision.plan.md`](../../../neon_sprawl_vision.plan.md) — Epic 3.
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- [Module dependency register](module_dependency_register.md)
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