Merge pull request #146 from ViPro-Technologies/NEO-107-encounter-complete-event-e7m2-hook

NEO-107: EncounterCompleteEvent persistence + E7.M2 hook stub
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| **Module ID** | E5.M3 |
| **Epic** | [Epic 5 — PvE Combat](../epics/epic_05_pve_combat.md) |
| **Stage target** | Prototype |
| **Status** | In Progress — Slice 3 backlog [E5M3-prototype-backlog.md](../../plans/E5M3-prototype-backlog.md): **E5M3-01** [NEO-100](https://linear.app/neon-sprawl/issue/NEO-100) catalog + CI landed · **E5M3-02** [NEO-101](https://linear.app/neon-sprawl/issue/NEO-101) server load landed · **E5M3-03** [NEO-102](https://linear.app/neon-sprawl/issue/NEO-102) registries landed · **E5M3-04** [NEO-103](https://linear.app/neon-sprawl/issue/NEO-103) HTTP read landed · **E5M3-05** [NEO-104](https://linear.app/neon-sprawl/issue/NEO-104) progress + completion stores landed · **E5M3-06** [NEO-105](https://linear.app/neon-sprawl/issue/NEO-105) completion grants landed · **E5M3-07** [NEO-106](https://linear.app/neon-sprawl/issue/NEO-106) combat wiring landed · **E5M3-08** [NEO-108](https://linear.app/neon-sprawl/issue/NEO-108) → **E5M3-12** [NEO-111](https://linear.app/neon-sprawl/issue/NEO-111) |
| **Status** | In Progress — Slice 3 backlog [E5M3-prototype-backlog.md](../../plans/E5M3-prototype-backlog.md): **E5M3-01** [NEO-100](https://linear.app/neon-sprawl/issue/NEO-100) catalog + CI landed · **E5M3-02** [NEO-101](https://linear.app/neon-sprawl/issue/NEO-101) server load landed · **E5M3-03** [NEO-102](https://linear.app/neon-sprawl/issue/NEO-102) registries landed · **E5M3-04** [NEO-103](https://linear.app/neon-sprawl/issue/NEO-103) HTTP read landed · **E5M3-05** [NEO-104](https://linear.app/neon-sprawl/issue/NEO-104) progress + completion stores landed · **E5M3-06** [NEO-105](https://linear.app/neon-sprawl/issue/NEO-105) completion grants landed · **E5M3-07** [NEO-106](https://linear.app/neon-sprawl/issue/NEO-106) combat wiring landed · **E5M3-09** [NEO-107](https://linear.app/neon-sprawl/issue/NEO-107) event record landed · **E5M3-08** [NEO-108](https://linear.app/neon-sprawl/issue/NEO-108) → **E5M3-12** [NEO-111](https://linear.app/neon-sprawl/issue/NEO-111) |
| **Linear** | Label **`E5.M3`** · [E5M3-prototype-backlog.md](../../plans/E5M3-prototype-backlog.md) **E5M3-01** [NEO-100](https://linear.app/neon-sprawl/issue/NEO-100) · **E5M3-02** [NEO-101](https://linear.app/neon-sprawl/issue/NEO-101) · **E5M3-03** [NEO-102](https://linear.app/neon-sprawl/issue/NEO-102) · **E5M3-04** [NEO-103](https://linear.app/neon-sprawl/issue/NEO-103) · **E5M3-05** [NEO-104](https://linear.app/neon-sprawl/issue/NEO-104) · **E5M3-06** [NEO-105](https://linear.app/neon-sprawl/issue/NEO-105) · **E5M3-07** [NEO-106](https://linear.app/neon-sprawl/issue/NEO-106) · **E5M3-08** [NEO-108](https://linear.app/neon-sprawl/issue/NEO-108) · **E5M3-09** [NEO-107](https://linear.app/neon-sprawl/issue/NEO-107) · **E5M3-10** [NEO-109](https://linear.app/neon-sprawl/issue/NEO-109) · **E5M3-11** [NEO-110](https://linear.app/neon-sprawl/issue/NEO-110) · **E5M3-12** [NEO-111](https://linear.app/neon-sprawl/issue/NEO-111) |
## Purpose
@ -88,10 +88,12 @@ The **first shipped encounter + reward spine** is **frozen** for prototype tunin
**Progress + completion stores landed ([NEO-104](https://linear.app/neon-sprawl/issue/NEO-104)):** **`IEncounterProgressStore`** + **`IEncounterCompletionStore`** (in-memory) + **`EncounterProgressOperations`** — activation, order-independent defeat tracking, idempotent completion flag; combat/HTTP wiring deferred to NEO-106/108. Plan: [NEO-104 implementation plan](../../plans/NEO-104-implementation-plan.md); [server README — Encounter progress](../../../server/README.md#encounter-progress--completion-stores-neo-104).
**Completion + inventory grants landed ([NEO-105](https://linear.app/neon-sprawl/issue/NEO-105)):** **`EncounterCompletionOperations.TryCompleteAndGrant`** + **`EncounterCompleteEvent`** result payload — reward-table fixed grants via **`PlayerInventoryOperations`**, fail-closed inventory deny, idempotent completion mark; event persistence deferred to NEO-107. Plan: [NEO-105 implementation plan](../../plans/NEO-105-implementation-plan.md); [server README — Encounter completion](../../../server/README.md#encounter-completion--inventory-grants-neo-105).
**Completion + inventory grants landed ([NEO-105](https://linear.app/neon-sprawl/issue/NEO-105)):** **`EncounterCompletionOperations.TryCompleteAndGrant`** + **`EncounterCompleteEvent`** result payload — reward-table fixed grants via **`PlayerInventoryOperations`**, fail-closed inventory deny, idempotent completion mark; event record persisted via **`IEncounterCompleteEventStore`** ([NEO-107](https://linear.app/neon-sprawl/issue/NEO-107)). Plan: [NEO-105 implementation plan](../../plans/NEO-105-implementation-plan.md); [server README — Encounter completion](../../../server/README.md#encounter-completion--inventory-grants-neo-105).
**Combat wiring landed ([NEO-106](https://linear.app/neon-sprawl/issue/NEO-106)):** **`EncounterCombatWiring.TryProcessCastOutcome`** on **`AbilityCastApi`** — activate on first damaging hit, mark defeats, invoke completion grants when all required NPCs defeated; NEO-44 gig XP preserved. Per-player progress HTTP deferred to NEO-108. Plan: [NEO-106 implementation plan](../../plans/NEO-106-implementation-plan.md); [server README — Encounter combat wiring](../../../server/README.md#encounter-combat-wiring-neo-106).
**Complete event record landed ([NEO-107](https://linear.app/neon-sprawl/issue/NEO-107)):** **`IEncounterCompleteEventStore`** + in-memory implementation — idempotent **`EncounterCompleteEvent`** record on successful grant commit; E7.M2 **`reward_delivery`** hook stub (comments only). Plan: [NEO-107 implementation plan](../../plans/NEO-107-implementation-plan.md); [server README — Encounter complete event (NEO-107)](../../../server/README.md#encounter-complete-event-record-neo-107).
## Source anchors
- Master plan: [`neon_sprawl_vision.plan.md`](../../../neon_sprawl_vision.plan.md) — Epic 5.

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## Implementation anchor (server)
**NEO-43:** When applying scripted **skill XP** from a mission/quest reward bundle, call **`MissionRewardSkillXpGrant.GrantFromMissionReward`** (`server/NeonSprawl.Server/Game/Skills/`) — fixed **`sourceKind: mission_reward`**, **`skillId`** and **`amount`** from reward data — [NEO-43 implementation plan](../../plans/NEO-43-implementation-plan.md).
**NEO-107 (E5.M3 producer hook):** On encounter completion grant commit, **`EncounterCompletionOperations.TryCompleteAndGrant`** records **`EncounterCompleteEvent`** in **`IEncounterCompleteEventStore`** (idempotency key **`{playerId}:{encounterId}`**). Future E7.M2 **`QuestRewardBundle`** router consumes this record for **`reward_delivery`** quest credit beyond prototype **`contract_handoff_token`** item loot — comment-only hook stub; no runtime router yet. See [NEO-107 implementation plan](../../plans/NEO-107-implementation-plan.md); [server README — Encounter complete event (NEO-107)](../../../server/README.md#encounter-complete-event-record-neo-107).

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@ -80,7 +80,7 @@ Fleshed-out scope, contracts, and integration notes live in **per-module documen
**E5.M2 note:** Epic 5 **Slice 2** backlog in Linear ([Epic 5 — PvE Combat and Encounter Content](https://linear.app/neon-sprawl/project/epic-5-pve-combat-and-encounter-content-cf3c94c3-5346-40e0-8aaf-281e846f2846)): [NEO-87](https://linear.app/neon-sprawl/issue/NEO-87) → [NEO-98](https://linear.app/neon-sprawl/issue/NEO-98); label **`E5.M2`**. Client capstone **E5M2-12** [NEO-98](https://linear.app/neon-sprawl/issue/NEO-98). See [E5M2-prototype-backlog.md](../../plans/E5M2-prototype-backlog.md), [E5_M2_NpcAiAndBehaviorProfiles.md](E5_M2_NpcAiAndBehaviorProfiles.md). Upstream **E5.M1 Ready**. **NEO-87 landed:** frozen three-behavior catalog + CI ([NEO-87 plan](../../plans/NEO-87-implementation-plan.md)). **NEO-88 landed:** fail-fast server load of `content/npc-behaviors/*_npc_behaviors.json` ([NEO-88 plan](../../plans/NEO-88-implementation-plan.md)); [server README — NPC behavior catalog](../../../server/README.md#npc-behavior-catalog-contentnpc-behaviors-neo-88). **NEO-89 landed:** injectable **`INpcBehaviorDefinitionRegistry`** + DI ([NEO-89 plan](../../plans/NEO-89-implementation-plan.md)). **NEO-90 landed:** **`GET /game/world/npc-behavior-definitions`** — `NpcBehaviorDefinitionsWorldApi` + DTOs in `Game/Npc/` ([NEO-90 plan](../../plans/NEO-90-implementation-plan.md)); [server README — NPC behavior definitions (NEO-90)](../../../server/README.md#npc-behavior-definitions-neo-90); Bruno `bruno/neon-sprawl-server/npc-behavior-definitions/`. **NEO-91 landed:** **`PrototypeNpcRegistry`** + combat-target migration — three NPC instance ids, per-archetype catalog max HP ([NEO-91 plan](../../plans/NEO-91-implementation-plan.md)); [server README — Combat entity health (NEO-91)](../../../server/README.md#combat-entity-health-neo-80-neo-91). **NEO-92NEO-96 landed:** aggro/threat, runtime state machine, **`GET …/npc-runtime-snapshot`**, player combat HP + NPC attack resolve, telemetry hooks ([NEO-92](../../plans/NEO-92-implementation-plan.md)[NEO-96](../../plans/NEO-96-implementation-plan.md)). **NEO-97 landed:** client telegraph HUD ([NEO-97 plan](../../plans/NEO-97-implementation-plan.md), [`NEO-97` manual QA](../../manual-qa/NEO-97.md)). **NEO-98 landed:** playable NPC telegraph combat capstone ([NEO-98 plan](../../plans/NEO-98-implementation-plan.md), [`NEO-98` manual QA](../../manual-qa/NEO-98.md)); [client README — End-to-end NPC telegraph combat loop (NEO-98)](../../../client/README.md#end-to-end-npc-telegraph-combat-loop-neo-98). **Epic 5 Slice 2 complete — register row Ready.** Replaces **`prototype_target_alpha` / `beta`** with three NPC archetype instances; owns **`ThreatState`**, **`TelegraphEvent`**, session **`IPlayerCombatHealthStore`**.
**E5.M3 note:** Epic 5 **Slice 3** backlog in Linear ([Epic 5 — PvE Combat and Encounter Content](https://linear.app/neon-sprawl/project/epic-5-pve-combat-and-encounter-content-cf3c94c3-5346-40e0-8aaf-281e846f2846)): [NEO-100](https://linear.app/neon-sprawl/issue/NEO-100) → [NEO-111](https://linear.app/neon-sprawl/issue/NEO-111); label **`E5.M3`**. Client capstone **E5M3-12** [NEO-111](https://linear.app/neon-sprawl/issue/NEO-111). See [E5M3-prototype-backlog.md](../../plans/E5M3-prototype-backlog.md), [E5_M3_EncounterAndRewardTables.md](E5_M3_EncounterAndRewardTables.md). Upstream **E5.M2 Ready**, **E3.M3** inventory landed. Prototype spine: one encounter **`prototype_combat_pocket`** (defeat all three E5.M2 NPC ids) → reward table **`prototype_combat_pocket_clear`** ( **`scrap_metal_bulk` ×10**, **`contract_handoff_token` ×1** ); idempotent completion per player; per-defeat gig XP unchanged ([NEO-44](../../plans/NEO-44-implementation-plan.md)). **NEO-100 landed:** encounter + reward-table schemas, prototype catalogs, CI gates ([NEO-100 plan](../../plans/NEO-100-implementation-plan.md)). **NEO-101 landed:** fail-fast server load of `content/encounters/*_encounters.json` + `content/reward-tables/*_reward_tables.json` ([NEO-101 plan](../../plans/NEO-101-implementation-plan.md)); [server README — Encounter + reward-table catalogs (NEO-101)](../../../server/README.md#reward-table-catalog-contentreward-tables-neo-101). **NEO-102 landed:** injectable **`IEncounterDefinitionRegistry`** + **`IRewardTableDefinitionRegistry`** + DI ([NEO-102 plan](../../plans/NEO-102-implementation-plan.md)); [server README — Encounter + reward-table registries (NEO-102)](../../../server/README.md#reward-table-catalog-contentreward-tables-neo-101). **NEO-103 landed:** **`GET /game/world/encounter-definitions`** — `EncounterDefinitionsWorldApi` + nested **`rewardTable`** summary ([NEO-103 plan](../../plans/NEO-103-implementation-plan.md)); [server README — Encounter definitions (NEO-103)](../../../server/README.md#encounter-definitions-neo-103); Bruno `bruno/neon-sprawl-server/encounter-definitions/`. **NEO-104 landed:** **`IEncounterProgressStore`** + **`IEncounterCompletionStore`** + **`EncounterProgressOperations`** ([NEO-104 plan](../../plans/NEO-104-implementation-plan.md)); [server README — Encounter progress (NEO-104)](../../../server/README.md#encounter-progress--completion-stores-neo-104). **NEO-105 landed:** **`EncounterCompletionOperations`** + **`EncounterCompleteEvent`** result payload ([NEO-105 plan](../../plans/NEO-105-implementation-plan.md)); [server README — Encounter completion (NEO-105)](../../../server/README.md#encounter-completion--inventory-grants-neo-105). **NEO-106 landed:** **`EncounterCombatWiring`** on **`AbilityCastApi`** ([NEO-106 plan](../../plans/NEO-106-implementation-plan.md)); [server README — Encounter combat wiring (NEO-106)](../../../server/README.md#encounter-combat-wiring-neo-106). **HTTP progress read (NEO-108+) outstanding.**
**E5.M3 note:** Epic 5 **Slice 3** backlog in Linear ([Epic 5 — PvE Combat and Encounter Content](https://linear.app/neon-sprawl/project/epic-5-pve-combat-and-encounter-content-cf3c94c3-5346-40e0-8aaf-281e846f2846)): [NEO-100](https://linear.app/neon-sprawl/issue/NEO-100) → [NEO-111](https://linear.app/neon-sprawl/issue/NEO-111); label **`E5.M3`**. Client capstone **E5M3-12** [NEO-111](https://linear.app/neon-sprawl/issue/NEO-111). See [E5M3-prototype-backlog.md](../../plans/E5M3-prototype-backlog.md), [E5_M3_EncounterAndRewardTables.md](E5_M3_EncounterAndRewardTables.md). Upstream **E5.M2 Ready**, **E3.M3** inventory landed. Prototype spine: one encounter **`prototype_combat_pocket`** (defeat all three E5.M2 NPC ids) → reward table **`prototype_combat_pocket_clear`** ( **`scrap_metal_bulk` ×10**, **`contract_handoff_token` ×1** ); idempotent completion per player; per-defeat gig XP unchanged ([NEO-44](../../plans/NEO-44-implementation-plan.md)). **NEO-100 landed:** encounter + reward-table schemas, prototype catalogs, CI gates ([NEO-100 plan](../../plans/NEO-100-implementation-plan.md)). **NEO-101 landed:** fail-fast server load of `content/encounters/*_encounters.json` + `content/reward-tables/*_reward_tables.json` ([NEO-101 plan](../../plans/NEO-101-implementation-plan.md)); [server README — Encounter + reward-table catalogs (NEO-101)](../../../server/README.md#reward-table-catalog-contentreward-tables-neo-101). **NEO-102 landed:** injectable **`IEncounterDefinitionRegistry`** + **`IRewardTableDefinitionRegistry`** + DI ([NEO-102 plan](../../plans/NEO-102-implementation-plan.md)); [server README — Encounter + reward-table registries (NEO-102)](../../../server/README.md#reward-table-catalog-contentreward-tables-neo-101). **NEO-103 landed:** **`GET /game/world/encounter-definitions`** — `EncounterDefinitionsWorldApi` + nested **`rewardTable`** summary ([NEO-103 plan](../../plans/NEO-103-implementation-plan.md)); [server README — Encounter definitions (NEO-103)](../../../server/README.md#encounter-definitions-neo-103); Bruno `bruno/neon-sprawl-server/encounter-definitions/`. **NEO-104 landed:** **`IEncounterProgressStore`** + **`IEncounterCompletionStore`** + **`EncounterProgressOperations`** ([NEO-104 plan](../../plans/NEO-104-implementation-plan.md)); [server README — Encounter progress (NEO-104)](../../../server/README.md#encounter-progress--completion-stores-neo-104). **NEO-105 landed:** **`EncounterCompletionOperations`** + **`EncounterCompleteEvent`** result payload ([NEO-105 plan](../../plans/NEO-105-implementation-plan.md)); [server README — Encounter completion (NEO-105)](../../../server/README.md#encounter-completion--inventory-grants-neo-105). **NEO-106 landed:** **`EncounterCombatWiring`** on **`AbilityCastApi`** ([NEO-106 plan](../../plans/NEO-106-implementation-plan.md)); [server README — Encounter combat wiring (NEO-106)](../../../server/README.md#encounter-combat-wiring-neo-106). **NEO-107 landed:** **`IEncounterCompleteEventStore`** + E7.M2 hook stub ([NEO-107 plan](../../plans/NEO-107-implementation-plan.md)); [server README — Encounter complete event (NEO-107)](../../../server/README.md#encounter-complete-event-record-neo-107). **HTTP progress read (NEO-108+) outstanding.**
### Epic 6 — PvP Security

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@ -287,9 +287,11 @@ Working backlog for **Epic 5 — Slice 3** ([Epic 5 · Slice 3 — encounters an
**Acceptance criteria**
- [ ] Completion path emits/records event exactly once per player+encounter.
- [ ] Hook documents E7.M2 **`QuestRewardBundle`** consumer contract.
- [ ] No runtime behavior beyond event record + comments.
- [x] Completion path emits/records event exactly once per player+encounter.
- [x] Hook documents E7.M2 **`QuestRewardBundle`** consumer contract.
- [x] No runtime behavior beyond event record + comments.
**Landed ([NEO-107](https://linear.app/neon-sprawl/issue/NEO-107)):** **`IEncounterCompleteEventStore`** + in-memory implementation; record on **`TryCompleteAndGrant`** success; E7.M2 **`reward_delivery`** hook comments. Plan: [NEO-107-implementation-plan.md](NEO-107-implementation-plan.md).
---

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# NEO-107 — Implementation plan
## Story reference
| Field | Value |
|--------|--------|
| **Key** | NEO-107 |
| **Title** | E5M3-09: EncounterCompleteEvent + E7.M2 quest-credit hook stub |
| **Linear** | https://linear.app/neon-sprawl/issue/NEO-107/e5m3-09-encountercompleteevent-e7m2-quest-credit-hook-stub |
| **Module** | [E5.M3 — EncounterAndRewardTables](../decomposition/modules/E5_M3_EncounterAndRewardTables.md) · Epic 5 Slice 3 · backlog **E5M3-09** |
| **Branch** | `NEO-107-encounter-complete-event-e7m2-hook` |
| **Precursor** | [NEO-105](https://linear.app/neon-sprawl/issue/NEO-105) — `EncounterCompleteEvent` result payload + `TryCompleteAndGrant` (**landed on `main`**) · [NEO-106](https://linear.app/neon-sprawl/issue/NEO-106) — combat wiring invokes completion (**landed on `main`**) |
| **Pattern** | [NEO-104](NEO-104-implementation-plan.md) — split in-memory stores + per-key locks; [NEO-105](NEO-105-implementation-plan.md) — event type + idempotency key already defined |
| **Blocks** | [NEO-110](https://linear.app/neon-sprawl/issue/NEO-110) — client encounter HUD (indirect; needs event record for downstream parity) |
| **Client counterpart** | None this story — server-only event record + hook stub; player-visible HUD is [NEO-110](https://linear.app/neon-sprawl/issue/NEO-110) via [NEO-108](https://linear.app/neon-sprawl/issue/NEO-108) |
## Kickoff clarifications
**No blocking clarifications needed.** NEO-105 kickoff adopted the split: NEO-105 returns `EncounterCompleteEvent` in `EncounterCompletionResult`; NEO-107 persists the record and expands the E7.M2 hook. E5M3 backlog defaults fix in-memory storage, once-per-player+encounter idempotency, and comment-only E7.M2 behavior (no `QuestRewardBundle` router). NEO-106 wires all completion through `TryCompleteAndGrant` — a single record site preserves atomicity with `TryMarkCompleted`.
| Topic | Question | Agent recommendation | Answer |
|--------|----------|----------------------|--------|
| **Event store shape** | Dedicated store vs extend `IEncounterCompletionStore`? | **Dedicated `IEncounterCompleteEventStore`** — completion flag is boolean+timestamp; event carries grant summary + idempotency key (NEO-104 split-store precedent). | **Adopted** (backlog + NEO-105) |
| **Record site** | Inside `TryCompleteAndGrant` vs caller after success? | **Inside `TryCompleteAndGrant` after `TryMarkCompleted` succeeds** — same completion commit boundary; NEO-106 / cast path need no duplicate orchestration. | **Adopted** (NEO-105 deferral note) |
| **Storage backend** | In-memory vs Postgres? | **In-memory only** — E5M3 kickoff default (NEO-104). | **Adopted** |
| **E7.M2 runtime** | Stub router call vs comments only? | **Comments only** — document `QuestRewardBundle` / `RewardDeliveryEvent` consumer contract; no quest state machine ([E5M3-09](E5M3-prototype-backlog.md#e5m3-09--encountercompleteevent--e7m2-quest-credit-hook-stub)). | **Adopted** |
| **HTTP / Godot** | Expose event on GET or client? | **Defer** — [NEO-108](https://linear.app/neon-sprawl/issue/NEO-108) projects grant summary from stores; this story records only. | **Adopted** (backlog out-of-scope) |
## Goal, scope, and out-of-scope
**Goal:** Persist **`EncounterCompleteEvent`** exactly once per player+encounter when completion grants commit, and expand the **E7.M2** quest-credit hook stub documenting the future **`QuestRewardBundle`** consumer contract.
**In scope (from Linear + [E5M3-09](E5M3-prototype-backlog.md#e5m3-09--encountercompleteevent--e7m2-quest-credit-hook-stub)):**
- **`IEncounterCompleteEventStore`** + **`InMemoryEncounterCompleteEventStore`** — idempotent **`TryRecord(EncounterCompleteEvent)`** keyed by **`(playerId, encounterId)`** / **`IdempotencyKey`**; **`TryGet`** for tests and NEO-108 read path.
- Wire store into **`EncounterCompletionOperations.TryCompleteAndGrant`** — record on success after completion mark; replay / deny paths do not record.
- Expand **`// TODO(E7.M2)`** hook in completion path with **`reward_delivery`** vocabulary and pointer to [E7_M2_RewardAndUnlockRouter](../decomposition/modules/E7_M2_RewardAndUnlockRouter.md) **`QuestRewardBundle`** / **`RewardDeliveryEvent`** consumer contract (prototype: quest credit beyond **`contract_handoff_token`** item loot).
- Pass **`IEncounterCompleteEventStore`** through **`EncounterCombatWiring`** → **`AbilityCastApi`** DI chain.
- Unit tests (AAA): first completion records event once; second completion does not duplicate record; deny paths leave store empty.
- `server/README.md` encounter-complete-event section; E5.M3 module snapshot + E7.M2 implementation anchor.
**Out of scope (from Linear + backlog):**
- Production **`QuestRewardBundle`** apply, quest state machine, **`RewardDeliveryEvent`** type implementation ([E7.M2](../decomposition/modules/E7_M2_RewardAndUnlockRouter.md) full router).
- **`GET /game/players/{id}/encounter-progress`** projection ([NEO-108](https://linear.app/neon-sprawl/issue/NEO-108)).
- Telemetry **`encounter_complete`** ingest ([NEO-109](https://linear.app/neon-sprawl/issue/NEO-109)).
- Godot HUD — **client counterpart [NEO-110](https://linear.app/neon-sprawl/issue/NEO-110)**.
- Postgres persistence, Bruno, `docs/manual-qa/NEO-107.md`.
## Acceptance criteria checklist
- [x] Completion path records **`EncounterCompleteEvent`** exactly once per player+encounter.
- [x] Hook documents E7.M2 **`QuestRewardBundle`** consumer contract (comments + module cross-link).
- [x] No runtime behavior beyond event record + comments.
## Implementation reconciliation (shipped)
- **Store:** `IEncounterCompleteEventStore` + `InMemoryEncounterCompleteEventStore` — idempotent `TryRecord` / `TryGet` keyed by `(playerId, encounterId)`.
- **Wiring:** `EncounterCompletionOperations.TryCompleteAndGrant` records event after successful completion mark; `EncounterCombatWiring` + `AbilityCastApi` pass store through DI.
- **Hook:** Expanded E7.M2 `reward_delivery` TODO comments; [E7_M2](../decomposition/modules/E7_M2_RewardAndUnlockRouter.md) implementation anchor.
- **Tests:** `InMemoryEncounterCompleteEventStoreTests`; extended `EncounterCompletionOperationsTests`, `EncounterCombatWiringTests`, `EncounterDefinitionRegistryTests`.
- **Docs:** `server/README.md`; E5.M3 module snapshot + alignment register + backlog + module dependency register updated.
## Technical approach
1. **`IEncounterCompleteEventStore`**
- **`bool TryRecord(EncounterCompleteEvent completeEvent)`** — `true` on first insert for normalized **`(playerId, encounterId)`**; `false` if already recorded (idempotent no-op).
- **`bool TryGet(string playerId, string encounterId, out EncounterCompleteEvent completeEvent)`** — read back stored event for tests / future HTTP.
2. **`InMemoryEncounterCompleteEventStore`**
- Key: **`EncounterProgressIds.MakeProgressKey(playerId, encounterId)`** (same as progress/completion stores).
- Value: full **`EncounterCompleteEvent`** struct (including **`GrantedItems`** snapshot at record time).
- Thread-safe: **`ConcurrentDictionary`** + per-key locks (mirror **`InMemoryEncounterCompletionStore`**).
3. **`EncounterCompletionOperations.TryCompleteAndGrant`**
- Add parameter **`IEncounterCompleteEventStore completeEventStore`**.
- After **`TryMarkCompleted`** succeeds and **`EncounterCompleteEvent`** is built:
- Call **`completeEventStore.TryRecord(completeEvent)`**.
- If **`TryRecord`** returns `false` (unexpected after fresh mark — invariant violation / race), **do not rollback** grants or completion flag; treat as idempotent success (event already present for this key). Document in README.
- Replace terse TODO with expanded E7.M2 hook block:
```csharp
// TODO(E7.M2): reward_delivery — QuestRewardBundle router consumes EncounterCompleteEvent
// (playerId, encounterId, idempotencyKey, grantedItemSummary) → idempotent RewardDeliveryEvent.
// Prototype quest credit: contract_handoff_token item loot + this event record; full router: E7.M2.
```
4. **DI**
- Register in **`EncounterCatalogServiceCollectionExtensions.AddEncounterAndRewardCatalogs`**:
- **`services.AddSingleton<IEncounterCompleteEventStore, InMemoryEncounterCompleteEventStore>();`**
5. **Call chain updates**
- **`EncounterCombatWiring.TryProcessCastOutcome`** — resolve **`IEncounterCompleteEventStore`** from deps; pass to **`TryCompleteAndGrant`**.
- **`AbilityCastApi`** — inject **`IEncounterCompleteEventStore`** into wiring call (alongside existing encounter/inventory deps).
6. **Docs**
- **`server/README.md`** — new subsection under encounter completion: event store, idempotency, E7.M2 deferral.
- **`E5_M3_EncounterAndRewardTables.md`** — implementation snapshot for E5M3-09.
- **`E7_M2_RewardAndUnlockRouter.md`** — implementation anchor: **`EncounterCompleteEvent`** producer + future consumer hook.
- Backlog / alignment register / module dependency register — note NEO-107 when landed.
### Prototype completion → event flow (frozen)
| Step | Expected |
|------|----------|
| First **`TryCompleteAndGrant`** success | Completion store marked; **`TryRecord`** stores event with scrap ×10 + token ×1 summary |
| Second **`TryCompleteAndGrant`** | Deny **`already_completed`** before record; event store unchanged |
| Inventory deny / **`not_ready`** | No completion mark; event store empty for that encounter |
| Cast path (NEO-106) | Third defeat → same record via **`TryCompleteAndGrant`** |
## Files to add
| Path | Purpose |
|------|---------|
| `server/NeonSprawl.Server/Game/Encounters/IEncounterCompleteEventStore.cs` | Injectable event persistence contract. |
| `server/NeonSprawl.Server/Game/Encounters/InMemoryEncounterCompleteEventStore.cs` | Thread-safe in-memory implementation (NEO-107). |
| `server/NeonSprawl.Server.Tests/Game/Encounters/InMemoryEncounterCompleteEventStoreTests.cs` | AAA store idempotency + TryGet tests. |
| `docs/plans/NEO-107-implementation-plan.md` | This plan. |
## Files to modify
| Path | Rationale |
|------|-----------|
| `server/NeonSprawl.Server/Game/Encounters/EncounterCompletionOperations.cs` | Accept event store; **`TryRecord`** on success; expand E7.M2 hook comments. |
| `server/NeonSprawl.Server/Game/Encounters/EncounterCompleteEvent.cs` | Update XML — persistence landed on NEO-107. |
| `server/NeonSprawl.Server/Game/Encounters/EncounterCombatWiring.cs` | Pass **`IEncounterCompleteEventStore`** into **`TryCompleteAndGrant`**. |
| `server/NeonSprawl.Server/Game/AbilityInput/AbilityCastApi.cs` | Inject event store for wiring call. |
| `server/NeonSprawl.Server/Game/Encounters/EncounterCatalogServiceCollectionExtensions.cs` | Register **`IEncounterCompleteEventStore`** singleton. |
| `server/NeonSprawl.Server.Tests/Game/Encounters/EncounterCompletionOperationsTests.cs` | Assert event recorded once; replay / deny paths leave store empty; update **`ResolveDependencies`**. |
| `server/NeonSprawl.Server.Tests/Game/Encounters/EncounterCombatWiringTests.cs` | Assert event store populated after third-defeat wiring completion. |
| `server/NeonSprawl.Server.Tests/Game/Encounters/EncounterDefinitionRegistryTests.cs` | Host DI resolves **`IEncounterCompleteEventStore`** (if not already covered). |
| `server/README.md` | Document event store + E7.M2 hook stub; remove NEO-107 deferral notes. |
| `docs/decomposition/modules/E5_M3_EncounterAndRewardTables.md` | Implementation snapshot — E5M3-09 event persistence. |
| `docs/decomposition/modules/E7_M2_RewardAndUnlockRouter.md` | Implementation anchor — **`EncounterCompleteEvent`** producer hook. |
| `docs/decomposition/modules/documentation_and_implementation_alignment.md` | E5.M3 row — note NEO-107 event record when landed. |
| `docs/decomposition/modules/module_dependency_register.md` | E5.M3 note — NEO-107 event store when landed. |
| `docs/plans/E5M3-prototype-backlog.md` | Mark E5M3-09 AC when complete. |
## Tests
| Test file | What it covers |
|-----------|----------------|
| `InMemoryEncounterCompleteEventStoreTests.cs` | **Arrange:** prototype **`EncounterCompleteEvent`**. **Act/Assert:** first **`TryRecord`** → `true` + **`TryGet`** round-trip; second **`TryRecord`** same key → `false`; empty key / invalid ids fail closed. |
| `EncounterCompletionOperationsTests.cs` | **Extend existing grant-once test:** assert **`TryGet`** returns event matching **`CompleteEvent`**; **`already_completed`** / **`not_ready`** / **`inventory_full`** paths assert store still empty (or unchanged count). |
| `EncounterCombatWiringTests.cs` | **Extend third-defeat completion test:** assert event store has record after wiring success. |
| `EncounterDefinitionRegistryTests.cs` | **Assert:** host startup resolves **`IEncounterCompleteEventStore`** as **`InMemoryEncounterCompleteEventStore`**. |
## Open questions / risks
| Question / risk | Agent recommendation | Status |
|-----------------|----------------------|--------|
| **Record after mark ordering** | Record only after **`TryMarkCompleted`** succeeds — event mirrors committed completion. | **adopted** |
| **TryRecord false after fresh mark** | Treat as idempotent (event already there); no grant rollback — same key invariant as completion store. | **adopted** |
| **NEO-108 grant summary** | HTTP read may use event store **`GrantedItems`** or completion + inventory delta — defer projection design to NEO-108; store exposes **`TryGet`**. | **deferred** |
| **Postgres follow-on** | Defer — session persistence migration is a future issue. | **deferred** |

View File

@ -0,0 +1,56 @@
# Code review — NEO-107 (E5M3-09)
**Date:** 2026-05-31
**Scope:** Branch `NEO-107-encounter-complete-event-e7m2-hook` vs `856dc8d` (merge-base on `main`) — commits `986cf55``555c323`
**Base:** `856dc8d` (main at branch point, post NEO-106 merge)
## Verdict
**Approve with nits**
## Summary
NEO-107 adds **`IEncounterCompleteEventStore`** and **`InMemoryEncounterCompleteEventStore`** — a dedicated, idempotent per-player+encounter record for **`EncounterCompleteEvent`**, mirroring the NEO-104 split-store pattern (ConcurrentDictionary + per-key locks). **`EncounterCompletionOperations.TryCompleteAndGrant`** records the event immediately after a successful **`TryMarkCompleted`**, with expanded E7.M2 **`reward_delivery`** hook comments and no runtime router behavior. The store is registered in **`AddEncounterAndRewardCatalogs`** and threaded through **`EncounterCombatWiring`** → **`AbilityCastApi`**. Tests cover store idempotency, all completion deny paths (store stays empty), wiring third-defeat success, and host DI resolution. Docs (plan, backlog E5M3-09, E5.M3 snapshot, E7.M2 anchor, alignment register, module register, `server/README.md`) are updated. HTTP projection and Godot HUD remain correctly deferred to NEO-108 / NEO-110. Risk is low: append-only record on an already-idempotent completion path; **`TryRecord`** false-after-fresh-mark is documented as benign idempotent success.
## Documentation checked
| Path | Result |
|------|--------|
| `docs/plans/NEO-107-implementation-plan.md` | **Matches** — kickoff decisions adopted; acceptance checklist checked; reconciliation section accurate; frozen completion→event flow table reflected in code and tests. |
| `docs/plans/E5M3-prototype-backlog.md` (E5M3-09) | **Matches** — acceptance criteria checked; landed note cites plan. |
| `docs/decomposition/modules/E5_M3_EncounterAndRewardTables.md` | **Matches** — implementation snapshot bullet for NEO-107 added; summary **Status** row includes **E5M3-09 / NEO-107 landed**; NEO-105 bullet cross-links NEO-107 persistence (review follow-up). |
| `docs/decomposition/modules/E7_M2_RewardAndUnlockRouter.md` | **Matches** — NEO-107 producer hook anchor added with correct consumer contract vocabulary. |
| `docs/decomposition/modules/documentation_and_implementation_alignment.md` | **Matches** — E5.M3 row notes **NEO-107** event record. |
| `docs/decomposition/modules/module_dependency_register.md` | **Matches** — E5.M3 note cites **NEO-107** event store landed. |
| Full-stack epic decomposition | **N/A** — plan explicitly defers client counterpart to **NEO-110** via NEO-108; no prototype slice completion claim. |
| `server/README.md` | **Matches** — new **Encounter complete event record (NEO-107)** section is accurate; NEO-105 section updated to reflect persistence. |
## Blocking issues
None.
## Suggestions
1. ~~**E5.M3 summary Status row** — Update the module summary table (line 10) to include **E5M3-09 / NEO-107** alongside the other landed slices so the header matches the implementation snapshot bullets below.~~ **Done.** Status row updated in `E5_M3_EncounterAndRewardTables.md`.
2. ~~**Stale NEO-105 deferral line** — In `E5_M3_EncounterAndRewardTables.md`, the NEO-105 bullet still reads “event persistence deferred to NEO-107.” Reword to point at the NEO-107 snapshot (or drop the deferral phrase) now that persistence is landed.~~ **Done.** NEO-105 bullet now cross-links **`IEncounterCompleteEventStore`** (NEO-107).
3. ~~**Empty encounter id fail-closed test** — Plan test table lists “empty key / invalid ids fail closed.” `InMemoryEncounterCompleteEventStoreTests` covers whitespace **`PlayerId`** only; a symmetric case with empty **`EncounterId`** would close the gap (store layer only).~~ **Done.** Added `TryRecord_ShouldFailClosed_WhenEncounterIdIsEmpty`; split empty **`PlayerId`** into its own test.
## Nits
- ~~Nit: **`InMemoryEncounterCompleteEventStoreTests`** — both test methods call **`TryGet`** under **Act**; move verification reads to **Assert** for full AAA per `csharp-style.md`.~~ **Done.** **`TryGet`** moved to **Assert** in all store tests.
- Nit: **`EncounterDefinitionRegistryTests`** resolves **`IEncounterCompleteEventStore`** in **Arrange** but only asserts **`IsType<InMemoryEncounterCompleteEventStore>`** — sufficient for DI smoke; no functional **`TryRecord`** assertion needed unless you want parity with progress/completion store tests.
## Verification
```bash
# NEO-107-focused (73 tests — passed locally)
dotnet test NeonSprawl.sln --filter "FullyQualifiedName~Encounters"
# CI parity
python3 scripts/validate_content.py
```
**Local run:** 73/73 `Encounters` filter tests passed.

View File

@ -31,6 +31,7 @@ public sealed class EncounterCombatWiringTests
deps.RewardTableRegistry,
deps.ProgressStore,
deps.CompletionStore,
deps.CompleteEventStore,
deps.ItemRegistry,
deps.InventoryStore,
TimeProvider.System);
@ -59,6 +60,7 @@ public sealed class EncounterCombatWiringTests
deps.RewardTableRegistry,
deps.ProgressStore,
deps.CompletionStore,
deps.CompleteEventStore,
deps.ItemRegistry,
deps.InventoryStore,
TimeProvider.System);
@ -91,6 +93,7 @@ public sealed class EncounterCombatWiringTests
deps.RewardTableRegistry,
deps.ProgressStore,
deps.CompletionStore,
deps.CompleteEventStore,
deps.ItemRegistry,
deps.InventoryStore,
TimeProvider.System);
@ -98,6 +101,8 @@ public sealed class EncounterCombatWiringTests
// Assert
deps.InventoryStore.TryGetSnapshot(PlayerId, out var inventory);
Assert.True(deps.CompletionStore.IsCompleted(PlayerId, EncounterId));
Assert.True(deps.CompleteEventStore.TryGet(PlayerId, EncounterId, out var storedEvent));
Assert.Equal($"{PlayerId}:{EncounterId}", storedEvent.IdempotencyKey);
Assert.Equal(10, CountBagItem(inventory!, "scrap_metal_bulk"));
Assert.Equal(1, CountBagItem(inventory!, "contract_handoff_token"));
}
@ -119,6 +124,7 @@ public sealed class EncounterCombatWiringTests
deps.RewardTableRegistry,
deps.ProgressStore,
deps.CompletionStore,
deps.CompleteEventStore,
deps.ItemRegistry,
deps.InventoryStore,
TimeProvider.System);
@ -142,6 +148,7 @@ public sealed class EncounterCombatWiringTests
deps.RewardTableRegistry,
deps.ProgressStore,
deps.CompletionStore,
deps.CompleteEventStore,
deps.ItemRegistry,
deps.InventoryStore,
TimeProvider.System);
@ -157,6 +164,7 @@ public sealed class EncounterCombatWiringTests
deps.RewardTableRegistry,
deps.ProgressStore,
deps.CompletionStore,
deps.CompleteEventStore,
deps.ItemRegistry,
deps.InventoryStore,
TimeProvider.System);
@ -186,6 +194,7 @@ public sealed class EncounterCombatWiringTests
deps.RewardTableRegistry,
deps.ProgressStore,
deps.CompletionStore,
deps.CompleteEventStore,
deps.ItemRegistry,
deps.InventoryStore,
TimeProvider.System);
@ -224,6 +233,7 @@ public sealed class EncounterCombatWiringTests
deps.RewardTableRegistry,
deps.ProgressStore,
deps.CompletionStore,
deps.CompleteEventStore,
deps.ItemRegistry,
deps.InventoryStore,
TimeProvider.System);
@ -259,6 +269,7 @@ public sealed class EncounterCombatWiringTests
deps.RewardTableRegistry,
deps.ProgressStore,
deps.CompletionStore,
deps.CompleteEventStore,
deps.ItemRegistry,
deps.InventoryStore,
TimeProvider.System);
@ -278,6 +289,7 @@ public sealed class EncounterCombatWiringTests
deps.RewardTableRegistry,
deps.ProgressStore,
deps.CompletionStore,
deps.CompleteEventStore,
deps.ItemRegistry,
deps.InventoryStore,
TimeProvider.System);
@ -326,6 +338,7 @@ public sealed class EncounterCombatWiringTests
services.GetRequiredService<IRewardTableDefinitionRegistry>(),
services.GetRequiredService<IEncounterProgressStore>(),
services.GetRequiredService<IEncounterCompletionStore>(),
services.GetRequiredService<IEncounterCompleteEventStore>(),
services.GetRequiredService<IItemDefinitionRegistry>(),
services.GetRequiredService<IPlayerInventoryStore>());
}
@ -349,6 +362,7 @@ public sealed class EncounterCombatWiringTests
IRewardTableDefinitionRegistry RewardTableRegistry,
IEncounterProgressStore ProgressStore,
IEncounterCompletionStore CompletionStore,
IEncounterCompleteEventStore CompleteEventStore,
IItemDefinitionRegistry ItemRegistry,
IPlayerInventoryStore InventoryStore);
}

View File

@ -31,6 +31,7 @@ public sealed class EncounterCompletionOperationsTests
deps.RewardTableRegistry,
deps.ProgressStore,
deps.CompletionStore,
deps.EventStore,
deps.ItemRegistry,
deps.InventoryStore,
timeProvider);
@ -49,6 +50,9 @@ public sealed class EncounterCompletionOperationsTests
Assert.Equal($"{PlayerId}:{EncounterId}", result.CompleteEvent.Value.IdempotencyKey);
Assert.NotNull(result.CompletedAt);
Assert.True(deps.CompletionStore.IsCompleted(PlayerId, EncounterId));
Assert.True(deps.EventStore.TryGet(PlayerId, EncounterId, out var storedEvent));
Assert.Equal(result.CompleteEvent!.Value.IdempotencyKey, storedEvent.IdempotencyKey);
Assert.Equal(2, storedEvent.GrantedItems.Count);
Assert.Equal(10, CountBagItem(inventory!, "scrap_metal_bulk"));
Assert.Equal(1, CountBagItem(inventory!, "contract_handoff_token"));
}
@ -68,6 +72,7 @@ public sealed class EncounterCompletionOperationsTests
deps.RewardTableRegistry,
deps.ProgressStore,
deps.CompletionStore,
deps.EventStore,
deps.ItemRegistry,
deps.InventoryStore,
timeProvider);
@ -81,6 +86,7 @@ public sealed class EncounterCompletionOperationsTests
deps.RewardTableRegistry,
deps.ProgressStore,
deps.CompletionStore,
deps.EventStore,
deps.ItemRegistry,
deps.InventoryStore,
timeProvider);
@ -98,6 +104,8 @@ public sealed class EncounterCompletionOperationsTests
Assert.Equal(1, CountBagItem(afterSecond!, "contract_handoff_token"));
Assert.Equal(CountBagItem(afterFirst!, "scrap_metal_bulk"), CountBagItem(afterSecond!, "scrap_metal_bulk"));
Assert.Equal(CountBagItem(afterFirst!, "contract_handoff_token"), CountBagItem(afterSecond!, "contract_handoff_token"));
Assert.True(deps.EventStore.TryGet(PlayerId, EncounterId, out var storedEvent));
Assert.Equal(first.CompleteEvent!.Value.IdempotencyKey, storedEvent.IdempotencyKey);
}
[Fact]
@ -134,6 +142,7 @@ public sealed class EncounterCompletionOperationsTests
deps.RewardTableRegistry,
deps.ProgressStore,
deps.CompletionStore,
deps.EventStore,
deps.ItemRegistry,
deps.InventoryStore,
TimeProvider.System);
@ -143,6 +152,7 @@ public sealed class EncounterCompletionOperationsTests
Assert.False(result.Success);
Assert.Equal(EncounterCompletionReasonCodes.NotReady, result.ReasonCode);
Assert.False(deps.CompletionStore.IsCompleted(PlayerId, EncounterId));
Assert.False(deps.EventStore.TryGet(PlayerId, EncounterId, out _));
Assert.Equal(TotalBagQuantity(beforeInventory!), TotalBagQuantity(afterInventory!));
}
@ -164,6 +174,7 @@ public sealed class EncounterCompletionOperationsTests
deps.RewardTableRegistry,
deps.ProgressStore,
deps.CompletionStore,
deps.EventStore,
deps.ItemRegistry,
deps.InventoryStore,
TimeProvider.System);
@ -173,6 +184,7 @@ public sealed class EncounterCompletionOperationsTests
Assert.False(result.Success);
Assert.Equal(EncounterCompletionReasonCodes.InventoryFull, result.ReasonCode);
Assert.False(deps.CompletionStore.IsCompleted(PlayerId, EncounterId));
Assert.False(deps.EventStore.TryGet(PlayerId, EncounterId, out _));
Assert.Equal(TotalBagQuantity(beforeInventory!), TotalBagQuantity(afterInventory!));
Assert.Equal(0, CountBagItem(afterInventory!, "scrap_metal_bulk"));
Assert.Equal(0, CountBagItem(afterInventory!, "contract_handoff_token"));
@ -196,6 +208,7 @@ public sealed class EncounterCompletionOperationsTests
deps.RewardTableRegistry,
deps.ProgressStore,
failingCompletionStore,
deps.EventStore,
deps.ItemRegistry,
deps.InventoryStore,
TimeProvider.System);
@ -207,6 +220,7 @@ public sealed class EncounterCompletionOperationsTests
Assert.Equal(TotalBagQuantity(beforeInventory!), TotalBagQuantity(afterInventory!));
Assert.Equal(0, CountBagItem(afterInventory!, "scrap_metal_bulk"));
Assert.Equal(0, CountBagItem(afterInventory!, "contract_handoff_token"));
Assert.False(deps.EventStore.TryGet(PlayerId, EncounterId, out _));
}
[Fact]
@ -226,6 +240,7 @@ public sealed class EncounterCompletionOperationsTests
deps.RewardTableRegistry,
deps.ProgressStore,
deps.CompletionStore,
deps.EventStore,
deps.ItemRegistry,
inventoryStore,
TimeProvider.System);
@ -237,6 +252,7 @@ public sealed class EncounterCompletionOperationsTests
Assert.False(deps.CompletionStore.IsCompleted(PlayerId, EncounterId));
Assert.Equal(0, CountBagItem(inventory!, "scrap_metal_bulk"));
Assert.Equal(0, CountBagItem(inventory!, "contract_handoff_token"));
Assert.False(deps.EventStore.TryGet(PlayerId, EncounterId, out _));
}
[Fact]
@ -254,6 +270,7 @@ public sealed class EncounterCompletionOperationsTests
deps.RewardTableRegistry,
deps.ProgressStore,
deps.CompletionStore,
deps.EventStore,
deps.ItemRegistry,
deps.InventoryStore,
TimeProvider.System);
@ -261,6 +278,7 @@ public sealed class EncounterCompletionOperationsTests
// Assert
Assert.False(result.Success);
Assert.Equal(EncounterCompletionReasonCodes.UnknownEncounter, result.ReasonCode);
Assert.False(deps.EventStore.TryGet(PlayerId, "unknown_encounter", out _));
}
private static void DefeatAllRequiredTargets(EncounterCompletionTestDependencies deps)
@ -313,6 +331,7 @@ public sealed class EncounterCompletionOperationsTests
services.GetRequiredService<IRewardTableDefinitionRegistry>(),
services.GetRequiredService<IEncounterProgressStore>(),
services.GetRequiredService<IEncounterCompletionStore>(),
services.GetRequiredService<IEncounterCompleteEventStore>(),
services.GetRequiredService<IItemDefinitionRegistry>(),
services.GetRequiredService<IPlayerInventoryStore>());
}
@ -350,6 +369,7 @@ public sealed class EncounterCompletionOperationsTests
IRewardTableDefinitionRegistry RewardTableRegistry,
IEncounterProgressStore ProgressStore,
IEncounterCompletionStore CompletionStore,
IEncounterCompleteEventStore EventStore,
IItemDefinitionRegistry ItemRegistry,
IPlayerInventoryStore InventoryStore);

View File

@ -212,6 +212,7 @@ public class EncounterDefinitionRegistryTests
_ = await client.GetAsync("/health");
var progressStore = factory.Services.GetRequiredService<IEncounterProgressStore>();
var completionStore = factory.Services.GetRequiredService<IEncounterCompletionStore>();
var completeEventStore = factory.Services.GetRequiredService<IEncounterCompleteEventStore>();
// Act
var activated = progressStore.TryActivate("dev-local-1", PrototypeCombatPocket);
var completed = completionStore.TryMarkCompleted(
@ -222,5 +223,6 @@ public class EncounterDefinitionRegistryTests
Assert.True(activated);
Assert.True(completed);
Assert.True(completionStore.IsCompleted("dev-local-1", PrototypeCombatPocket));
Assert.IsType<InMemoryEncounterCompleteEventStore>(completeEventStore);
}
}

View File

@ -0,0 +1,67 @@
using NeonSprawl.Server.Game.Encounters;
using Xunit;
namespace NeonSprawl.Server.Tests.Game.Encounters;
public sealed class InMemoryEncounterCompleteEventStoreTests
{
private const string PlayerId = "dev-local-1";
private const string EncounterId = "prototype_combat_pocket";
private static readonly DateTimeOffset CompletedAt = new(2026, 5, 31, 20, 0, 0, TimeSpan.Zero);
[Fact]
public void TryRecord_ShouldBeIdempotent_AtStoreLayer()
{
// Arrange
var store = new InMemoryEncounterCompleteEventStore();
var completeEvent = CreatePrototypeEvent();
// Act
var first = store.TryRecord(completeEvent);
var second = store.TryRecord(completeEvent with { CompletedAt = CompletedAt.AddHours(1) });
// Assert
Assert.True(first);
Assert.False(second);
Assert.True(store.TryGet(PlayerId, EncounterId, out var stored));
Assert.Equal(completeEvent.IdempotencyKey, stored.IdempotencyKey);
Assert.Equal(CompletedAt, stored.CompletedAt);
Assert.Equal(2, stored.GrantedItems.Count);
}
[Fact]
public void TryRecord_ShouldFailClosed_WhenPlayerIdIsEmpty()
{
// Arrange
var store = new InMemoryEncounterCompleteEventStore();
var invalidEvent = CreatePrototypeEvent() with { PlayerId = " " };
// Act
var recorded = store.TryRecord(invalidEvent);
// Assert
Assert.False(recorded);
Assert.False(store.TryGet(" ", EncounterId, out _));
}
[Fact]
public void TryRecord_ShouldFailClosed_WhenEncounterIdIsEmpty()
{
// Arrange
var store = new InMemoryEncounterCompleteEventStore();
var invalidEvent = CreatePrototypeEvent() with { EncounterId = " " };
// Act
var recorded = store.TryRecord(invalidEvent);
// Assert
Assert.False(recorded);
Assert.False(store.TryGet(PlayerId, " ", out _));
}
private static EncounterCompleteEvent CreatePrototypeEvent() =>
new(
PlayerId,
EncounterId,
"prototype_combat_pocket_clear",
[
new EncounterGrantApplied("scrap_metal_bulk", 10),
new EncounterGrantApplied("contract_handoff_token", 1),
],
CompletedAt,
$"{PlayerId}:{EncounterId}");
}

View File

@ -75,6 +75,7 @@ public static class AbilityCastApi
IRewardTableDefinitionRegistry rewardTableRegistry,
IEncounterProgressStore encounterProgressStore,
IEncounterCompletionStore encounterCompletionStore,
IEncounterCompleteEventStore encounterCompleteEventStore,
IItemDefinitionRegistry itemRegistry,
IPlayerInventoryStore inventoryStore,
ILoggerFactory loggerFactory,
@ -273,6 +274,7 @@ public static class AbilityCastApi
rewardTableRegistry,
encounterProgressStore,
encounterCompletionStore,
encounterCompleteEventStore,
itemRegistry,
inventoryStore,
clock,

View File

@ -78,6 +78,7 @@ public static class EncounterCatalogServiceCollectionExtensions
services.AddSingleton<IEncounterProgressStore, InMemoryEncounterProgressStore>();
services.AddSingleton<IEncounterCompletionStore, InMemoryEncounterCompletionStore>();
services.AddSingleton<IEncounterCompleteEventStore, InMemoryEncounterCompleteEventStore>();
return services;
}

View File

@ -20,6 +20,7 @@ public static class EncounterCombatWiring
IRewardTableDefinitionRegistry rewardTableRegistry,
IEncounterProgressStore progressStore,
IEncounterCompletionStore completionStore,
IEncounterCompleteEventStore completeEventStore,
IItemDefinitionRegistry itemRegistry,
IPlayerInventoryStore inventoryStore,
TimeProvider timeProvider,
@ -75,6 +76,7 @@ public static class EncounterCombatWiring
rewardTableRegistry,
progressStore,
completionStore,
completeEventStore,
itemRegistry,
inventoryStore,
timeProvider);

View File

@ -2,7 +2,8 @@ namespace NeonSprawl.Server.Game.Encounters;
/// <summary>
/// Internal completion payload returned on successful encounter grant (NEO-105).
/// Persistence and E7.M2 quest-credit routing land in NEO-107.
/// Persisted via <see cref="IEncounterCompleteEventStore"/> on success (NEO-107).
/// E7.M2 quest-credit routing consumes this record (hook stub on NEO-107).
/// </summary>
public readonly record struct EncounterCompleteEvent(
string PlayerId,

View File

@ -21,6 +21,7 @@ public static class EncounterCompletionOperations
IRewardTableDefinitionRegistry rewardTableRegistry,
IEncounterProgressStore progressStore,
IEncounterCompletionStore completionStore,
IEncounterCompleteEventStore completeEventStore,
IItemDefinitionRegistry itemRegistry,
IPlayerInventoryStore inventoryStore,
TimeProvider timeProvider)
@ -107,9 +108,6 @@ public static class EncounterCompletionOperations
return Deny(EncounterCompletionReasonCodes.AlreadyCompleted);
}
// TODO(E7.M2): quest-credit router consumes EncounterCompleteEvent (NEO-107 expands persistence + hook).
// TODO(E9.M1): catalog emit — encounter_complete on successful grant commit (NEO-109).
var normalizedPlayerId = EncounterProgressIds.NormalizePlayerId(playerId);
var completeEvent = new EncounterCompleteEvent(
normalizedPlayerId,
@ -119,6 +117,13 @@ public static class EncounterCompletionOperations
completedAt,
MakeIdempotencyKey(normalizedPlayerId, normalizedEncounterId));
_ = completeEventStore.TryRecord(completeEvent);
// TODO(E7.M2): reward_delivery — QuestRewardBundle router consumes EncounterCompleteEvent
// (playerId, encounterId, idempotencyKey, grantedItemSummary) → idempotent RewardDeliveryEvent.
// Prototype quest credit: contract_handoff_token item loot + this event record; full router: E7.M2.
// TODO(E9.M1): catalog emit — encounter_complete on successful grant commit (NEO-109).
return new EncounterCompletionResult(
Success: true,
ReasonCode: null,

View File

@ -0,0 +1,10 @@
namespace NeonSprawl.Server.Game.Encounters;
/// <summary>Idempotent per-player encounter completion event record (NEO-107).</summary>
public interface IEncounterCompleteEventStore
{
/// <summary>First record returns <c>true</c>; replays for the same player+encounter return <c>false</c>.</summary>
bool TryRecord(EncounterCompleteEvent completeEvent);
bool TryGet(string playerId, string encounterId, out EncounterCompleteEvent completeEvent);
}

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@ -0,0 +1,51 @@
using System.Collections.Concurrent;
namespace NeonSprawl.Server.Game.Encounters;
/// <summary>Thread-safe in-memory encounter completion event records (NEO-107).</summary>
public sealed class InMemoryEncounterCompleteEventStore : IEncounterCompleteEventStore
{
private readonly ConcurrentDictionary<string, EncounterCompleteEvent> eventsByKey = new(StringComparer.Ordinal);
private readonly ConcurrentDictionary<string, object> keyLocks = new(StringComparer.Ordinal);
/// <inheritdoc />
public bool TryRecord(EncounterCompleteEvent completeEvent)
{
var key = EncounterProgressIds.MakeProgressKey(completeEvent.PlayerId, completeEvent.EncounterId);
if (key.Length == 0)
{
return false;
}
lock (keyLocks.GetOrAdd(key, _ => new object()))
{
if (eventsByKey.ContainsKey(key))
{
return false;
}
eventsByKey[key] = completeEvent with
{
GrantedItems = completeEvent.GrantedItems.ToArray(),
};
return true;
}
}
/// <inheritdoc />
public bool TryGet(string playerId, string encounterId, out EncounterCompleteEvent completeEvent)
{
completeEvent = default;
var key = EncounterProgressIds.MakeProgressKey(playerId, encounterId);
if (key.Length == 0)
{
return false;
}
lock (keyLocks.GetOrAdd(key, _ => new object()))
{
return eventsByKey.TryGetValue(key, out completeEvent);
}
}
}

View File

@ -157,7 +157,7 @@ Per-player encounter state is server-owned in **`IEncounterProgressStore`** (act
## Encounter completion + inventory grants (NEO-105)
**`EncounterCompletionOperations.TryCompleteAndGrant`** applies a reward tables **`fixedGrants`** via **`PlayerInventoryOperations`** when all required NPCs are defeated, then marks **`IEncounterCompletionStore`** idempotently. Returns internal **`EncounterCompleteEvent`** on success (persistence + E7.M2 hook: NEO-107).
**`EncounterCompletionOperations.TryCompleteAndGrant`** applies a reward tables **`fixedGrants`** via **`PlayerInventoryOperations`** when all required NPCs are defeated, then marks **`IEncounterCompletionStore`** idempotently. On success, records **`EncounterCompleteEvent`** in **`IEncounterCompleteEventStore`** and returns the same payload in **`EncounterCompletionResult`**.
| Reason code | When |
|-------------|------|
@ -170,6 +170,22 @@ Per-player encounter state is server-owned in **`IEncounterProgressStore`** (act
Prototype first completion grants **`scrap_metal_bulk` ×10** and **`contract_handoff_token` ×1** from **`prototype_combat_pocket_clear`**. Inventory deny fails closed without marking complete (compensating rollback on partial apply or failed completion mark). Wired from **`AbilityCastApi`** via **`EncounterCombatWiring`** (NEO-106). Plan: [NEO-105 implementation plan](../../docs/plans/NEO-105-implementation-plan.md).
## Encounter complete event record (NEO-107)
**`IEncounterCompleteEventStore`** persists **`EncounterCompleteEvent`** exactly once per player+encounter when grants commit successfully. Prototype uses **`InMemoryEncounterCompleteEventStore`** (registered in **`AddEncounterAndRewardCatalogs`** alongside progress/completion stores).
| Field | Role |
|-------|------|
| **`PlayerId`**, **`EncounterId`** | Normalized keys (same as progress/completion stores). |
| **`RewardTableId`** | Catalog reward table applied. |
| **`GrantedItems`** | Snapshot of successful fixed grants at commit time. |
| **`CompletedAt`** | UTC timestamp from **`TimeProvider`** at completion mark. |
| **`IdempotencyKey`** | Stable **`{playerId}:{encounterId}`** — future **`RewardDeliveryEvent`** dedupe input for [E7.M2](../../docs/decomposition/modules/E7_M2_RewardAndUnlockRouter.md). |
**E7.M2 hook (comment-only):** after **`TryRecord`**, **`EncounterCompletionOperations`** documents the future **`QuestRewardBundle`** / **`reward_delivery`** consumer — prototype quest credit is **`contract_handoff_token`** item loot plus this event record; full router deferred to E7.M2. If **`TryRecord`** returns `false` after a fresh completion mark (unexpected race), grants and completion flag are retained; treat as idempotent success.
Plan: [NEO-107 implementation plan](../../docs/plans/NEO-107-implementation-plan.md).
## Encounter combat wiring (NEO-106)
On every successful **`POST …/ability-cast`** accept, **`EncounterCombatWiring.TryProcessCastOutcome`** (best-effort; does not change cast JSON):