diff --git a/src/renderer/game/core/clock.ts b/src/renderer/game/engine/kernel/clock.ts
similarity index 97%
rename from src/renderer/game/core/clock.ts
rename to src/renderer/game/engine/kernel/clock.ts
index 2028157..b27c8ad 100644
--- a/src/renderer/game/core/clock.ts
+++ b/src/renderer/game/engine/kernel/clock.ts
@@ -1,4 +1,4 @@
-import type { World } from '../engine/world'
+import type { World } from '../runtime/World'
 
 /**
  * 统一时轮调度：所有系统以 phase 注册，由时钟按固定顺序驱动。
diff --git a/src/renderer/game/core/format.ts b/src/renderer/game/engine/kernel/format.ts
similarity index 100%
rename from src/renderer/game/core/format.ts
rename to src/renderer/game/engine/kernel/format.ts
diff --git a/src/renderer/game/core/fxqueue.ts b/src/renderer/game/engine/kernel/fxqueue.ts
similarity index 100%
rename from src/renderer/game/core/fxqueue.ts
rename to src/renderer/game/engine/kernel/fxqueue.ts
diff --git a/src/renderer/game/core/guide.ts b/src/renderer/game/engine/kernel/guide.ts
similarity index 96%
rename from src/renderer/game/core/guide.ts
rename to src/renderer/game/engine/kernel/guide.ts
index ee46400..59012b1 100644
--- a/src/renderer/game/core/guide.ts
+++ b/src/renderer/game/engine/kernel/guide.ts
@@ -1,4 +1,4 @@
-import type { World } from '../engine/world'
+import type { World } from '../runtime/World'
 
 export interface GuideStep {
   id: string
diff --git a/src/renderer/game/core/names.ts b/src/renderer/game/engine/kernel/names.ts
similarity index 100%
rename from src/renderer/game/core/names.ts
rename to src/renderer/game/engine/kernel/names.ts
diff --git a/src/renderer/game/core/plugin.ts b/src/renderer/game/engine/kernel/plugin.ts
similarity index 91%
rename from src/renderer/game/core/plugin.ts
rename to src/renderer/game/engine/kernel/plugin.ts
index 60b2124..9ac296d 100644
--- a/src/renderer/game/core/plugin.ts
+++ b/src/renderer/game/engine/kernel/plugin.ts
@@ -1,7 +1,7 @@
 import { GameClock, SystemHook } from './clock'
-import { DataPack } from '../data/registry'
-import { EventDef } from '../data/events'
-import type { World } from '../engine/world'
+import { DataPack } from '../../data/registry'
+import { EventDef } from '../../data/events'
+import type { World } from '../runtime/World'
 
 export type PluginKind = 'system' | 'data' | 'events' | 'content'
 
diff --git a/src/renderer/game/core/rng.ts b/src/renderer/game/engine/kernel/rng.ts
similarity index 98%
rename from src/renderer/game/core/rng.ts
rename to src/renderer/game/engine/kernel/rng.ts
index c250b70..8f70317 100644
--- a/src/renderer/game/core/rng.ts
+++ b/src/renderer/game/engine/kernel/rng.ts
@@ -1,4 +1,4 @@
-import type { RngState } from '../types/domain'
+import type { RngState } from '../../types/domain'
 
 function xmur3(str: string): () => number {
   let h = 1779033703 ^ str.length
diff --git a/src/renderer/game/core/timesense.ts b/src/renderer/game/engine/kernel/timesense.ts
similarity index 97%
rename from src/renderer/game/core/timesense.ts
rename to src/renderer/game/engine/kernel/timesense.ts
index a2fcf0a..f015518 100644
--- a/src/renderer/game/core/timesense.ts
+++ b/src/renderer/game/engine/kernel/timesense.ts
@@ -1,4 +1,4 @@
-import { Season } from '../data/season'
+import { Season } from '../../data/season'
 
 export const TIDES: string[] = [
   '立春', '雨水', '惊蛰', '春分', '清明', '谷雨',
diff --git a/src/renderer/game/core/urgency.ts b/src/renderer/game/engine/kernel/urgency.ts
similarity index 95%
rename from src/renderer/game/core/urgency.ts
rename to src/renderer/game/engine/kernel/urgency.ts
index fc4d24b..74bfb53 100644
--- a/src/renderer/game/core/urgency.ts
+++ b/src/renderer/game/engine/kernel/urgency.ts
@@ -1,4 +1,4 @@
-import type { World } from '../engine/world'
+import type { World } from '../runtime/World'
 
 export interface Urgency {
   blockedCount: number
diff --git a/src/renderer/game/core/biography.ts b/src/renderer/game/engine/narrative/biography.ts
similarity index 92%
rename from src/renderer/game/core/biography.ts
rename to src/renderer/game/engine/narrative/biography.ts
index fc707df..8d1514b 100644
--- a/src/renderer/game/core/biography.ts
+++ b/src/renderer/game/engine/narrative/biography.ts
@@ -1,8 +1,8 @@
-import { GameState } from '../types/domain'
-import { TECHNIQUES } from '../data/techniques'
-import { describeRealm } from '../data/realms'
-import { aspirationById } from '../data/aspirations'
-import { postById } from '../data/posts'
+import { GameState } from '../../types/domain'
+import { TECHNIQUES } from '../../data/techniques'
+import { describeRealm } from '../../data/realms'
+import { aspirationById } from '../../data/aspirations'
+import { postById } from '../../data/posts'
 
 export interface BioLine {
   at?: number
diff --git a/src/renderer/game/core/genealogy.ts b/src/renderer/game/engine/narrative/genealogy.ts
similarity index 94%
rename from src/renderer/game/core/genealogy.ts
rename to src/renderer/game/engine/narrative/genealogy.ts
index 07087b7..b03f80b 100644
--- a/src/renderer/game/core/genealogy.ts
+++ b/src/renderer/game/engine/narrative/genealogy.ts
@@ -1,5 +1,5 @@
-import { Character } from '../types/domain'
-import type { World } from '../engine/world'
+import { Character } from '../../types/domain'
+import type { World } from '../runtime/World'
 
 export interface FamilyUnit {
   parents: [Character | undefined, Character | undefined]
diff --git a/src/renderer/game/core/legacy.ts b/src/renderer/game/engine/narrative/legacy.ts
similarity index 96%
rename from src/renderer/game/core/legacy.ts
rename to src/renderer/game/engine/narrative/legacy.ts
index 48156a8..d83a263 100644
--- a/src/renderer/game/core/legacy.ts
+++ b/src/renderer/game/engine/narrative/legacy.ts
@@ -1,5 +1,5 @@
-import { GameState } from '../types/domain'
-import { MAJOR_ORDER } from '../data/realms'
+import { GameState } from '../../types/domain'
+import { MAJOR_ORDER } from '../../data/realms'
 
 export interface LegacyDims {
   renXing: number
diff --git a/src/renderer/game/core/legacyreport.ts b/src/renderer/game/engine/narrative/legacyreport.ts
similarity index 98%
rename from src/renderer/game/core/legacyreport.ts
rename to src/renderer/game/engine/narrative/legacyreport.ts
index a91a278..6bad3f1 100644
--- a/src/renderer/game/core/legacyreport.ts
+++ b/src/renderer/game/engine/narrative/legacyreport.ts
@@ -1,4 +1,4 @@
-import { GameState } from '../types/domain'
+import { GameState } from '../../types/domain'
 
 export interface LegacyReport {
   years: number[]
diff --git a/src/renderer/game/core/yearaxis.ts b/src/renderer/game/engine/narrative/yearaxis.ts
similarity index 97%
rename from src/renderer/game/core/yearaxis.ts
rename to src/renderer/game/engine/narrative/yearaxis.ts
index 6513913..07bc60e 100644
--- a/src/renderer/game/core/yearaxis.ts
+++ b/src/renderer/game/engine/narrative/yearaxis.ts
@@ -1,4 +1,4 @@
-import { GameState } from '../types/domain'
+import { GameState } from '../../types/domain'
 
 export interface AxisEvent {
   year: number
diff --git a/src/renderer/game/engine/api.ts b/src/renderer/game/engine/runtime/ApiFacade.ts
similarity index 92%
rename from src/renderer/game/engine/api.ts
rename to src/renderer/game/engine/runtime/ApiFacade.ts
index 357254b..2dda3c7 100644
--- a/src/renderer/game/engine/api.ts
+++ b/src/renderer/game/engine/runtime/ApiFacade.ts
@@ -1,14 +1,14 @@
-import type { World } from './world'
-import { WorldEventBus } from './world'
-import { YearlyReport, BattleLog, ChronicleEntry, SaveMeta } from '../types/domain'
-import { marketPrice, buyItem, sellItem, buyTechnique } from './market'
-import { sendMission, recallAll } from './systems/missions'
-import { giftNpc, makePeace, marryNpcFamily } from './systems/diplomacy'
-import { combatPowerOf } from './systems/combat'
-import type { LogKind } from './world'
-import { computeLegacy, resolveLegacy, LegacyArch } from '../core/legacy'
-import { yearAxis, AxisCell } from '../core/yearaxis'
-import { PACK } from '../data/registry'
+import type { World } from './World'
+import { WorldEventBus } from './World'
+import { YearlyReport, BattleLog, ChronicleEntry, SaveMeta } from '../../types/domain'
+import { marketPrice, buyItem, sellItem, buyTechnique } from '../sim/Market'
+import { sendMission, recallAll } from './Systems/missions'
+import { giftNpc, makePeace, marryNpcFamily } from './Systems/diplomacy'
+import { combatPowerOf } from './Systems/combat'
+import type { LogKind } from './World'
+import { computeLegacy, resolveLegacy, LegacyArch } from '../narrative/legacy'
+import { yearAxis, AxisCell } from '../narrative/yearaxis'
+import { PACK } from '../../data/registry'
 
 export type ActName =
   | 'head.set'
diff --git a/src/renderer/game/engine/systems/combat.ts b/src/renderer/game/engine/runtime/Systems/combat.ts
similarity index 93%
rename from src/renderer/game/engine/systems/combat.ts
rename to src/renderer/game/engine/runtime/Systems/combat.ts
index 85bee69..4597da6 100644
--- a/src/renderer/game/engine/systems/combat.ts
+++ b/src/renderer/game/engine/runtime/Systems/combat.ts
@@ -1,14 +1,14 @@
-import type { World } from '../world'
-import { Character, BattleLog } from '../../types/domain'
-import { basePower, describeRealm } from '../../data/realms'
-import { pack } from '../../data/registry'
-import { techniqueById } from '../../data/techniques'
-import { EnemyDef, LootDef } from '../../data/secrets'
+import type { World } from '../World'
+import { Character, BattleLog } from '../../../types/domain'
+import { basePower, describeRealm } from '../../../data/realms'
+import { pack } from '../../../data/registry'
+import { techniqueById } from '../../../data/techniques'
+import { EnemyDef, LootDef } from '../../../data/secrets'
 
 import { traitBonuses } from '../pcgen'
-import { npcById } from '../../data/npcs'
-import { aspirationById, fitBonusOf } from '../../data/aspirations'
-import { formationById, FormationId } from '../../data/formations'
+import { npcById } from '../../../data/npcs'
+import { aspirationById, fitBonusOf } from '../../../data/aspirations'
+import { formationById, FormationId } from '../../../data/formations'
 
 export function combatPowerOf(w: World, c: Character): number {
   if (!c.alive) return 0
diff --git a/src/renderer/game/engine/systems/cultivation.ts b/src/renderer/game/engine/runtime/Systems/cultivation.ts
similarity index 93%
rename from src/renderer/game/engine/systems/cultivation.ts
rename to src/renderer/game/engine/runtime/Systems/cultivation.ts
index a92900b..c3c9393 100644
--- a/src/renderer/game/engine/systems/cultivation.ts
+++ b/src/renderer/game/engine/runtime/Systems/cultivation.ts
@@ -1,16 +1,16 @@
-import type { World } from '../world'
-import { Character } from '../../types/domain'
-import { ROOT_GRADES } from '../../data/elements'
-import { masteryRateOfMajor } from '../../data/pacing'
-import { aspirationById, fitBonusOf } from '../../data/aspirations'
-import { techniqueById } from '../../data/techniques'
-import { nextRealm, breakthroughBaseChance, realmDeathChance, describeRealm, MAJOR_ORDER } from '../../data/realms'
+import type { World } from '../World'
+import { Character } from '../../../types/domain'
+import { ROOT_GRADES } from '../../../data/elements'
+import { masteryRateOfMajor } from '../../../data/pacing'
+import { aspirationById, fitBonusOf } from '../../../data/aspirations'
+import { techniqueById } from '../../../data/techniques'
+import { nextRealm, breakthroughBaseChance, realmDeathChance, describeRealm, MAJOR_ORDER } from '../../../data/realms'
 import { lifespanOf } from './lifecycle'
 import { traitBonuses } from '../pcgen'
 import { newCharacter } from '../pcgen'
-import { MALE_GIVEN, FEMALE_GIVEN } from '../../core/names'
-import { ASPIRATION_IDS } from '../../data/aspirations'
-import { seasonMod } from '../../data/season'
+import { MALE_GIVEN, FEMALE_GIVEN } from '../../kernel/names'
+import { ASPIRATION_IDS } from '../../../data/aspirations'
+import { seasonMod } from '../../../data/season'
 import { needsTribulation, tribulationEventId } from './tribulation'
 
 export function monthlyRate(w: World, c: Character): number {
diff --git a/src/renderer/game/engine/systems/diplomacy.ts b/src/renderer/game/engine/runtime/Systems/diplomacy.ts
similarity index 97%
rename from src/renderer/game/engine/systems/diplomacy.ts
rename to src/renderer/game/engine/runtime/Systems/diplomacy.ts
index 7cf4eeb..903fe09 100644
--- a/src/renderer/game/engine/systems/diplomacy.ts
+++ b/src/renderer/game/engine/runtime/Systems/diplomacy.ts
@@ -1,5 +1,5 @@
-import type { World } from '../world'
-import { npcById } from '../../data/npcs'
+import type { World } from '../World'
+import { npcById } from '../../../data/npcs'
 import { findEvent, fire } from './events'
 
 export function diplomacyTick(w: World): void {
diff --git a/src/renderer/game/engine/systems/events.ts b/src/renderer/game/engine/runtime/Systems/events.ts
similarity index 98%
rename from src/renderer/game/engine/systems/events.ts
rename to src/renderer/game/engine/runtime/Systems/events.ts
index e66738a..4a96f54 100644
--- a/src/renderer/game/engine/systems/events.ts
+++ b/src/renderer/game/engine/runtime/Systems/events.ts
@@ -1,16 +1,16 @@
-import type { World } from '../world'
-import { Character } from '../../types/domain'
-import { Cond, EffectDef, EventDef, EVENTS, MemberEffect } from '../../data/events'
-import { MAJOR_ORDER } from '../../data/realms'
+import type { World } from '../World'
+import { Character } from '../../../types/domain'
+import { Cond, EffectDef, EventDef, EVENTS, MemberEffect } from '../../../data/events'
+import { MAJOR_ORDER } from '../../../data/realms'
 
 
-import { npcById } from '../../data/npcs'
+import { npcById } from '../../../data/npcs'
 import { resolveRaid } from './combat'
 import { sendMission } from './missions'
-import { pack } from '../../data/registry'
+import { pack } from '../../../data/registry'
 import { findInheritor } from '../creation'
 import { resolveTribulation } from './tribulation'
-import { nextRealm, describeRealm } from '../../data/realms'
+import { nextRealm, describeRealm } from '../../../data/realms'
 
 const ALL_EVENTS: EventDef[] = [...EVENTS]
 
diff --git a/src/renderer/game/engine/systems/lifecycle.ts b/src/renderer/game/engine/runtime/Systems/lifecycle.ts
similarity index 95%
rename from src/renderer/game/engine/systems/lifecycle.ts
rename to src/renderer/game/engine/runtime/Systems/lifecycle.ts
index fc13a5e..4fb49e2 100644
--- a/src/renderer/game/engine/systems/lifecycle.ts
+++ b/src/renderer/game/engine/runtime/Systems/lifecycle.ts
@@ -1,5 +1,5 @@
-import type { World } from '../world'
-import { MAJORS } from '../../data/realms'
+import type { World } from '../World'
+import { MAJORS } from '../../../data/realms'
 import { calcLifespan } from '../pcgen'
 
 export function lifespanOf(w: World, c: { realm: { major: keyof typeof MAJORS }; physique: number }): number {
diff --git a/src/renderer/game/engine/systems/marriage.ts b/src/renderer/game/engine/runtime/Systems/marriage.ts
similarity index 95%
rename from src/renderer/game/engine/systems/marriage.ts
rename to src/renderer/game/engine/runtime/Systems/marriage.ts
index df3cdea..5a5b448 100644
--- a/src/renderer/game/engine/systems/marriage.ts
+++ b/src/renderer/game/engine/runtime/Systems/marriage.ts
@@ -1,9 +1,9 @@
-import type { World } from '../world'
-import { Character } from '../../types/domain'
+import type { World } from '../World'
+import { Character } from '../../../types/domain'
 import { produceOffspring } from './cultivation'
 import { yearGrowth } from './diplomacy'
-import { MALE_GIVEN, FEMALE_GIVEN } from '../../core/names'
-import { aspirationById } from '../../data/aspirations'
+import { MALE_GIVEN, FEMALE_GIVEN } from '../../kernel/names'
+import { aspirationById } from '../../../data/aspirations'
 
 export function yearStartMarriage(w: World): void {
   yearGrowth(w)
diff --git a/src/renderer/game/engine/systems/missions.ts b/src/renderer/game/engine/runtime/Systems/missions.ts
similarity index 94%
rename from src/renderer/game/engine/systems/missions.ts
rename to src/renderer/game/engine/runtime/Systems/missions.ts
index f488b8c..04839c6 100644
--- a/src/renderer/game/engine/systems/missions.ts
+++ b/src/renderer/game/engine/runtime/Systems/missions.ts
@@ -1,10 +1,10 @@
-import type { World } from '../world'
-import { MissionState } from '../../types/domain'
-import { FormationId } from '../../data/formations'
-import { missionById, MissionDef, ENEMIES } from '../../data/secrets'
+import type { World } from '../World'
+import { MissionState } from '../../../types/domain'
+import { FormationId } from '../../../data/formations'
+import { missionById, MissionDef, ENEMIES } from '../../../data/secrets'
 import { resolveEncounter, rollWarbooty } from './combat'
-import { techniqueById } from '../../data/techniques'
-import { describeRealm } from '../../data/realms'
+import { techniqueById } from '../../../data/techniques'
+import { describeRealm } from '../../../data/realms'
 
 export function missionTick(w: World): void {
   const active = w.state.missions.filter((m) => !m.done)
diff --git a/src/renderer/game/engine/systems/production.ts b/src/renderer/game/engine/runtime/Systems/production.ts
similarity index 92%
rename from src/renderer/game/engine/systems/production.ts
rename to src/renderer/game/engine/runtime/Systems/production.ts
index ccd8d42..8f2da55 100644
--- a/src/renderer/game/engine/systems/production.ts
+++ b/src/renderer/game/engine/runtime/Systems/production.ts
@@ -1,6 +1,6 @@
-import type { World } from '../world'
-import { aspirationById } from '../../data/aspirations'
-import { seasonMod } from '../../data/season'
+import type { World } from '../World'
+import { aspirationById } from '../../../data/aspirations'
+import { seasonMod } from '../../../data/season'
 
 export function productionTick(w: World): void {
   const fam = w.state.family
diff --git a/src/renderer/game/engine/systems/tournament.ts b/src/renderer/game/engine/runtime/Systems/tournament.ts
similarity index 96%
rename from src/renderer/game/engine/systems/tournament.ts
rename to src/renderer/game/engine/runtime/Systems/tournament.ts
index 92f8b97..1e6eb5d 100644
--- a/src/renderer/game/engine/systems/tournament.ts
+++ b/src/renderer/game/engine/runtime/Systems/tournament.ts
@@ -1,10 +1,10 @@
-import type { World } from '../world'
-import { Character } from '../../types/domain'
-import { ENEMIES, EnemyDef } from '../../data/secrets'
+import type { World } from '../World'
+import { Character } from '../../../types/domain'
+import { ENEMIES, EnemyDef } from '../../../data/secrets'
 import { resolveEncounter } from './combat'
 import { rankPower } from './events'
 import { resolveBreakthrough } from './cultivation'
-import { FormationId } from '../../data/formations'
+import { FormationId } from '../../../data/formations'
 
 export const SECTS = ['云栖宗', '太谷书院', '玄微剑阁', '丹霞洞天']
 
diff --git a/src/renderer/game/engine/systems/tribulation.ts b/src/renderer/game/engine/runtime/Systems/tribulation.ts
similarity index 96%
rename from src/renderer/game/engine/systems/tribulation.ts
rename to src/renderer/game/engine/runtime/Systems/tribulation.ts
index eeedf5b..f3c5718 100644
--- a/src/renderer/game/engine/systems/tribulation.ts
+++ b/src/renderer/game/engine/runtime/Systems/tribulation.ts
@@ -1,6 +1,6 @@
-import type { World } from '../world'
-import { Character } from '../../types/domain'
-import { nextRealm, MAJOR_ORDER, realmDeathChance, describeRealm } from '../../data/realms'
+import type { World } from '../World'
+import { Character } from '../../../types/domain'
+import { nextRealm, MAJOR_ORDER, realmDeathChance, describeRealm } from '../../../data/realms'
 
 export const TRIB_MAJORS: string[] = ['foundation', 'core', 'nascent', 'spirit']
 
diff --git a/src/renderer/game/engine/world.ts b/src/renderer/game/engine/runtime/World.ts
similarity index 96%
rename from src/renderer/game/engine/world.ts
rename to src/renderer/game/engine/runtime/World.ts
index 0f20d46..d875305 100644
--- a/src/renderer/game/engine/world.ts
+++ b/src/renderer/game/engine/runtime/World.ts
@@ -7,25 +7,25 @@ import {
   LogItem,
   Realm,
   YearlyReport
-} from '../types/domain'
-import { Rng } from '../core/rng'
-import { BUILDINGS } from '../data/buildings'
-import { POSTS } from '../data/posts'
-import { aspirationById as aspirationOf } from '../data/aspirations'
-import { computeLegacy, resolveLegacy, peakRealmIndex, grandTechniqueCount, LegacyArch } from '../core/legacy'
+} from '../../types/domain'
+import { Rng } from '../kernel/rng'
+import { BUILDINGS } from '../../data/buildings'
+import { POSTS } from '../../data/posts'
+import { aspirationById as aspirationOf } from '../../data/aspirations'
+import { computeLegacy, resolveLegacy, peakRealmIndex, grandTechniqueCount, LegacyArch } from '../narrative/legacy'
 import { createWorldState, findInheritor } from './creation'
 import { SYSTEM_DEFS, SystemDef } from './capabilities'
 import { emptyClock } from './clocks'
-import { CotycPlugin, PluginContext, PluginStatus } from '../core/plugin'
+import { CotycPlugin, PluginContext, PluginStatus } from '../kernel/plugin'
 import { PluginManager } from './pluginManager'
-import { EventDef } from '../data/events'
-import { pack, DEFAULT_PACK, PACK } from '../data/registry'
+import { EventDef } from '../../data/events'
+import { pack, DEFAULT_PACK, PACK } from '../../data/registry'
 import { CORE_PLUGINS } from './plugin-bootstrap'
-import { GameClock } from '../core/clock'
-import { SystemHook } from '../core/clock'
-import { resolveBreakthrough } from './systems/cultivation'
-import { applyEventChoice } from './systems/events'
-import { combatPowerOf } from './systems/combat'
+import { GameClock } from '../kernel/clock'
+import { SystemHook } from '../kernel/clock'
+import { resolveBreakthrough } from './Systems/cultivation'
+import { applyEventChoice } from './Systems/events'
+import { combatPowerOf } from './Systems/combat'
 
 export type LogKind = LogItem['kind']
 
@@ -138,7 +138,7 @@ export class World {
     }
   }
 
-  private packOverride(partial: Partial<import('../data/registry').DataPack>): void {
+  private packOverride(partial: Partial<import('../../data/registry').DataPack>): void {
     PACK.override(partial)
   }
 
diff --git a/src/renderer/game/engine/capabilities.ts b/src/renderer/game/engine/runtime/capabilities.ts
similarity index 97%
rename from src/renderer/game/engine/capabilities.ts
rename to src/renderer/game/engine/runtime/capabilities.ts
index aa158d0..ef13405 100644
--- a/src/renderer/game/engine/capabilities.ts
+++ b/src/renderer/game/engine/runtime/capabilities.ts
@@ -1,4 +1,4 @@
-import type { PhaseId } from '../core/clock'
+import type { PhaseId } from '../kernel/clock'
 
 export interface SystemDef {
   id: string
diff --git a/src/renderer/game/engine/clocks.ts b/src/renderer/game/engine/runtime/clocks.ts
similarity index 85%
rename from src/renderer/game/engine/clocks.ts
rename to src/renderer/game/engine/runtime/clocks.ts
index bc0cc98..087d572 100644
--- a/src/renderer/game/engine/clocks.ts
+++ b/src/renderer/game/engine/runtime/clocks.ts
@@ -1,13 +1,13 @@
-import { GameClock } from '../core/clock'
-import { PluginContext } from '../core/plugin'
-import type { World } from './world'
-import { productionTick } from './systems/production'
-import { deathTick, woundHealTick } from './systems/lifecycle'
-import { cultivationTick } from './systems/cultivation'
-import { missionTick } from './systems/missions'
-import { eventRoll } from './systems/events'
-import { diplomacyTick } from './systems/diplomacy'
-import { yearStartMarriage } from './systems/marriage'
+import { GameClock } from '../kernel/clock'
+import { PluginContext } from '../kernel/plugin'
+import type { World } from './World'
+import { productionTick } from './Systems/production'
+import { deathTick, woundHealTick } from './Systems/lifecycle'
+import { cultivationTick } from './Systems/cultivation'
+import { missionTick } from './Systems/missions'
+import { eventRoll } from './Systems/events'
+import { diplomacyTick } from './Systems/diplomacy'
+import { yearStartMarriage } from './Systems/marriage'
 
 /** 原语义保留：满门凋零后仅存生产/寿元与收尾 */
 function ifAlive(fn: (w: World) => void): (w: World) => void {
diff --git a/src/renderer/game/engine/creation.ts b/src/renderer/game/engine/runtime/creation.ts
similarity index 96%
rename from src/renderer/game/engine/creation.ts
rename to src/renderer/game/engine/runtime/creation.ts
index 2dee176..5bd5ca8 100644
--- a/src/renderer/game/engine/creation.ts
+++ b/src/renderer/game/engine/runtime/creation.ts
@@ -1,9 +1,9 @@
-import { Character, GameState, NpcFamilyState, RealmMajor } from '../types/domain'
-import { Rng, seedToRng } from '../core/rng'
-import { randomSurname, MALE_GIVEN, FEMALE_GIVEN } from '../core/names'
+import { Character, GameState, NpcFamilyState, RealmMajor } from '../../types/domain'
+import { Rng, seedToRng } from '../kernel/rng'
+import { randomSurname, MALE_GIVEN, FEMALE_GIVEN } from '../kernel/names'
 import { newCharacter } from './pcgen'
-import { NPCS } from '../data/npcs'
-import { World } from './world'
+import { NPCS } from '../../data/npcs'
+import { World } from './World'
 
 export interface NewGameOptions {
   seed: string
diff --git a/src/renderer/game/engine/demo-plugins.ts b/src/renderer/game/engine/runtime/demo-plugins.ts
similarity index 96%
rename from src/renderer/game/engine/demo-plugins.ts
rename to src/renderer/game/engine/runtime/demo-plugins.ts
index 65e52fe..e44c7ba 100644
--- a/src/renderer/game/engine/demo-plugins.ts
+++ b/src/renderer/game/engine/runtime/demo-plugins.ts
@@ -1,4 +1,4 @@
-import { CotycPlugin } from '../core/plugin'
+import { CotycPlugin } from '../kernel/plugin'
 
 /** 示例内容插件：注入事件池 + 一个护山能力（开发范本） */
 export const examplePlugin: CotycPlugin = {
diff --git a/src/renderer/game/engine/pcgen.ts b/src/renderer/game/engine/runtime/pcgen.ts
similarity index 94%
rename from src/renderer/game/engine/pcgen.ts
rename to src/renderer/game/engine/runtime/pcgen.ts
index d27b5c9..ff4e1d1 100644
--- a/src/renderer/game/engine/pcgen.ts
+++ b/src/renderer/game/engine/runtime/pcgen.ts
@@ -1,8 +1,8 @@
-import { Character, Element, Gender, Realm, RealmMajor } from '../types/domain'
-import { Rng } from '../core/rng'
-import { ELEMENT_LIST, ROOT_GRADES } from '../data/elements'
-import { MAJORS } from '../data/realms'
-import { TRAIT_POOL, TRAITS } from '../data/traits'
+import { Character, Element, Gender, Realm, RealmMajor } from '../../types/domain'
+import { Rng } from '../kernel/rng'
+import { ELEMENT_LIST, ROOT_GRADES } from '../../data/elements'
+import { MAJORS } from '../../data/realms'
+import { TRAIT_POOL, TRAITS } from '../../data/traits'
 
 export function rollRoots(rng: Rng, parents?: { m?: Character; f?: Character }): { grade: number; primary: Element; secondary: Element[] } {
   let grade: number
diff --git a/src/renderer/game/engine/plugin-bootstrap.ts b/src/renderer/game/engine/runtime/plugin-bootstrap.ts
similarity index 91%
rename from src/renderer/game/engine/plugin-bootstrap.ts
rename to src/renderer/game/engine/runtime/plugin-bootstrap.ts
index 922df5c..34323db 100644
--- a/src/renderer/game/engine/plugin-bootstrap.ts
+++ b/src/renderer/game/engine/runtime/plugin-bootstrap.ts
@@ -1,7 +1,7 @@
-import { CotycPlugin } from '../core/plugin'
+import { CotycPlugin } from '../kernel/plugin'
 import { installCoreSystems } from './clocks'
-import { EVENTS } from '../data/events'
-import { DEFAULT_PACK } from '../data/registry'
+import { EVENTS } from '../../data/events'
+import { DEFAULT_PACK } from '../../data/registry'
 
 /** 内置插件一：镇族基石（12 能力卡与时轮钩子） */
 export function makeCoreSystemsPlugin(): CotycPlugin {
diff --git a/src/renderer/game/engine/pluginManager.ts b/src/renderer/game/engine/runtime/pluginManager.ts
similarity index 95%
rename from src/renderer/game/engine/pluginManager.ts
rename to src/renderer/game/engine/runtime/pluginManager.ts
index dc9f58c..4fabdce 100644
--- a/src/renderer/game/engine/pluginManager.ts
+++ b/src/renderer/game/engine/runtime/pluginManager.ts
@@ -1,8 +1,8 @@
-import { CotycPlugin, PluginContext, PluginStatus, PluginChange } from '../core/plugin'
-import { SystemDef, SYSTEM_DEFS } from '../engine/capabilities'
-import type { World } from '../engine/world'
-import { SystemHook } from '../core/clock'
-import { GameClock } from '../core/clock'
+import { CotycPlugin, PluginContext, PluginStatus, PluginChange } from '../kernel/plugin'
+import { SystemDef, SYSTEM_DEFS } from './capabilities'
+import type { World } from './World'
+import { SystemHook } from '../kernel/clock'
+import { GameClock } from '../kernel/clock'
 
 interface RuntimePlugin {
   plugin: CotycPlugin
diff --git a/src/renderer/game/engine/market.ts b/src/renderer/game/engine/sim/Market.ts
similarity index 90%
rename from src/renderer/game/engine/market.ts
rename to src/renderer/game/engine/sim/Market.ts
index 2099bee..f1d6a53 100644
--- a/src/renderer/game/engine/market.ts
+++ b/src/renderer/game/engine/sim/Market.ts
@@ -1,6 +1,6 @@
-import type { World } from './world'
-import { pack } from '../data/registry'
-import { traitBonuses } from './pcgen'
+import type { World } from '../runtime/World'
+import { pack } from '../../data/registry'
+import { traitBonuses } from '../runtime/pcgen'
 
 export function marketPrice(w: World, itemId: string): number {
   const item = pack().items[itemId]
@@ -48,7 +48,7 @@ export function techniquePrice(techId: string): number {
   return TECH_GRADE_BASE[techId] ?? 200
 }
 
-import { TECHNIQUES } from '../data/techniques'
+import { TECHNIQUES } from '../../data/techniques'
 
 const TECHNIQUE_GRADE_PRICE: Record<number, number> = { 1: 120, 2: 300, 3: 700, 4: 1600 }
 const TECH_GRADE_BASE: Record<string, number> = Object.fromEntries(
diff --git a/src/renderer/game/storage/migrate.ts b/src/renderer/game/storage/migrate.ts
index ac18e13..4ed5daa 100644
--- a/src/renderer/game/storage/migrate.ts
+++ b/src/renderer/game/storage/migrate.ts
@@ -1,5 +1,5 @@
 import { GameState } from '../types/domain'
-import { normalizeGameState } from '../engine/world'
+import { normalizeGameState } from '../engine/runtime/World'
 
 export const CURRENT_SCHEMA = 2
 export const APP_ID = 'cotyc'
diff --git a/src/renderer/ui/components/EventModal.tsx b/src/renderer/ui/components/EventModal.tsx
index 0715fa1..c2c50a1 100644
--- a/src/renderer/ui/components/EventModal.tsx
+++ b/src/renderer/ui/components/EventModal.tsx
@@ -1,10 +1,10 @@
 import { useState } from 'react'
 import { useGameStore } from '../store'
-import { applyEventChoice, rankPower } from '../../game/engine/systems/events'
+import { applyEventChoice, rankPower } from '../../game/engine/runtime/Systems/events'
 import { eventCategoryName } from '../../game/data/events'
 import { describeRealm } from '../../game/data/realms'
 import { Character } from '../../game/types/domain'
-import { combatPowerOf } from '../../game/engine/systems/combat'
+import { combatPowerOf } from '../../game/engine/runtime/Systems/combat'
 import { FORMATIONS, FormationId } from '../../game/data/formations'
 import { ModalShell } from './ModalShell'
 
diff --git a/src/renderer/ui/components/GuideStrip.tsx b/src/renderer/ui/components/GuideStrip.tsx
index a1b6fff..daae94b 100644
--- a/src/renderer/ui/components/GuideStrip.tsx
+++ b/src/renderer/ui/components/GuideStrip.tsx
@@ -1,5 +1,5 @@
 import { useGameStore } from '../store'
-import { GUIDE_STEPS, computeGuide, guideAdvance } from '../../game/core/guide'
+import { GUIDE_STEPS, computeGuide, guideAdvance } from '../../game/engine/kernel/guide'
 
 export function GuideStrip() {
   const world = useGameStore((s) => s.world)
diff --git a/src/renderer/ui/components/MemberModal.tsx b/src/renderer/ui/components/MemberModal.tsx
index 32cc90e..6a444a5 100644
--- a/src/renderer/ui/components/MemberModal.tsx
+++ b/src/renderer/ui/components/MemberModal.tsx
@@ -5,12 +5,12 @@ import { describeRoots, ROOT_GRADE_NAMES } from '../../game/data/elements'
 import { TRAITS } from '../../game/data/traits'
 import { TECHNIQUES } from '../../game/data/techniques'
 import { ITEMS, ARTIFACT_POWER } from '../../game/data/items'
-import { combatPowerOf } from '../../game/engine/systems/combat'
-import { lifespanOf } from '../../game/engine/systems/lifecycle'
-import { perAttemptChance } from '../../game/engine/systems/cultivation'
+import { combatPowerOf } from '../../game/engine/runtime/Systems/combat'
+import { lifespanOf } from '../../game/engine/runtime/Systems/lifecycle'
+import { perAttemptChance } from '../../game/engine/runtime/Systems/cultivation'
 import { POSTS, POST_ORDER } from '../../game/data/posts'
 import { ModalShell } from './ModalShell'
-import { buildBiography } from '../../game/core/biography'
+import { buildBiography } from '../../game/engine/narrative/biography'
 
 function aspName(c: Character): string {
   const map: Record<string, string> = {
diff --git a/src/renderer/ui/components/ResolveModal.tsx b/src/renderer/ui/components/ResolveModal.tsx
index 81129d8..699633d 100644
--- a/src/renderer/ui/components/ResolveModal.tsx
+++ b/src/renderer/ui/components/ResolveModal.tsx
@@ -1,5 +1,5 @@
 import { useGameStore } from '../store'
-import { LegacyArch } from '../../game/core/legacy'
+import { LegacyArch } from '../../game/engine/narrative/legacy'
 import { sBell } from '../sound'
 import { ModalShell } from './ModalShell'
 
diff --git a/src/renderer/ui/components/UrgentBadges.tsx b/src/renderer/ui/components/UrgentBadges.tsx
index 20b36fe..f49c5ed 100644
--- a/src/renderer/ui/components/UrgentBadges.tsx
+++ b/src/renderer/ui/components/UrgentBadges.tsx
@@ -1,5 +1,5 @@
 import { useGameStore } from '../store'
-import { computeUrgency } from '../../game/core/urgency'
+import { computeUrgency } from '../../game/engine/kernel/urgency'
 
 export function UrgentBadges() {
   const world = useGameStore((s) => s.world)
diff --git a/src/renderer/ui/fx.ts b/src/renderer/ui/fx.ts
index 936453a..cfe067e 100644
--- a/src/renderer/ui/fx.ts
+++ b/src/renderer/ui/fx.ts
@@ -1,4 +1,4 @@
-import { FxGate, FxKind } from '../game/core/fxqueue'
+import { FxGate, FxKind } from '../game/engine/kernel/fxqueue'
 import { seasonOf } from '../game/data/season'
 
 let gate: FxGate | null = null
diff --git a/src/renderer/ui/panels/DiplomacyPanel.tsx b/src/renderer/ui/panels/DiplomacyPanel.tsx
index f942fe2..52aeed6 100644
--- a/src/renderer/ui/panels/DiplomacyPanel.tsx
+++ b/src/renderer/ui/panels/DiplomacyPanel.tsx
@@ -1,6 +1,6 @@
 import { useGameStore } from '../store'
 import { npcById } from '../../game/data/npcs'
-import { giftNpc, makePeace, marryNpcFamily, calcGiftGain, GIFT_TIERS } from '../../game/engine/systems/diplomacy'
+import { giftNpc, makePeace, marryNpcFamily, calcGiftGain, GIFT_TIERS } from '../../game/engine/runtime/Systems/diplomacy'
 import { useMemo } from 'react'
 import { MAJOR_NAMES } from '../../game/data/realms'
 
diff --git a/src/renderer/ui/panels/ExpeditionPanel.tsx b/src/renderer/ui/panels/ExpeditionPanel.tsx
index bceda83..91c6401 100644
--- a/src/renderer/ui/panels/ExpeditionPanel.tsx
+++ b/src/renderer/ui/panels/ExpeditionPanel.tsx
@@ -1,7 +1,7 @@
 import { useGameStore } from '../store'
 import { MISSIONS, missionById } from '../../game/data/secrets'
-import { sendMission, recallAll } from '../../game/engine/systems/missions'
-import { combatPowerOf } from '../../game/engine/systems/combat'
+import { sendMission, recallAll } from '../../game/engine/runtime/Systems/missions'
+import { combatPowerOf } from '../../game/engine/runtime/Systems/combat'
 import { useState } from 'react'
 import { describeRealm, MAJOR_ORDER } from '../../game/data/realms'
 import { FORMATIONS, FormationId } from '../../game/data/formations'
diff --git a/src/renderer/ui/panels/GenealogyPanel.tsx b/src/renderer/ui/panels/GenealogyPanel.tsx
index 9b77ca1..bdb1ac2 100644
--- a/src/renderer/ui/panels/GenealogyPanel.tsx
+++ b/src/renderer/ui/panels/GenealogyPanel.tsx
@@ -1,5 +1,5 @@
 import { useGameStore } from '../store'
-import { computeGenealogy } from '../../game/core/genealogy'
+import { computeGenealogy } from '../../game/engine/narrative/genealogy'
 import { describeRealm } from '../../game/data/realms'
 import { Character, FamilyState } from '../../game/types/domain'
 import { useState } from 'react'
diff --git a/src/renderer/ui/panels/LegacyPanel.tsx b/src/renderer/ui/panels/LegacyPanel.tsx
index b6771b6..5a419ff 100644
--- a/src/renderer/ui/panels/LegacyPanel.tsx
+++ b/src/renderer/ui/panels/LegacyPanel.tsx
@@ -1,11 +1,11 @@
 import { useState } from 'react'
 import { useGameStore } from '../store'
-import { computeLegacy, resolveLegacy } from '../../game/core/legacy'
-import { resolveLegacy as doesIt } from '../../game/core/legacy'
+import { computeLegacy, resolveLegacy } from '../../game/engine/narrative/legacy'
+import { resolveLegacy as doesIt } from '../../game/engine/narrative/legacy'
 import { ResolveModal } from '../components/ResolveModal'
-import { buildBiography } from '../../game/core/biography'
-import { yearAxis, decadeLabel } from '../../game/core/yearaxis'
-import { buildReport, verdictLine } from '../../game/core/legacyreport'
+import { buildBiography } from '../../game/engine/narrative/biography'
+import { yearAxis, decadeLabel } from '../../game/engine/narrative/yearaxis'
+import { buildReport, verdictLine } from '../../game/engine/narrative/legacyreport'
 
 void doesIt
 
diff --git a/src/renderer/ui/panels/MarketPanel.tsx b/src/renderer/ui/panels/MarketPanel.tsx
index 5abc866..b179df2 100644
--- a/src/renderer/ui/panels/MarketPanel.tsx
+++ b/src/renderer/ui/panels/MarketPanel.tsx
@@ -2,7 +2,7 @@ import { useGameStore } from '../store'
 import { ITEMS } from '../../game/data/items'
 import { TECHNIQUES } from '../../game/data/techniques'
 import { techniqueGradeName } from '../../game/data/realms'
-import { marketPrice, buyItem, sellItem, buyTechnique } from '../../game/engine/market'
+import { marketPrice, buyItem, sellItem, buyTechnique } from '../../game/engine/sim/Market'
 import { useMemo, useState } from 'react'
 
 export default function MarketPanel() {
diff --git a/src/renderer/ui/panels/SettingsPanel.tsx b/src/renderer/ui/panels/SettingsPanel.tsx
index 5adcb7e..ee6c116 100644
--- a/src/renderer/ui/panels/SettingsPanel.tsx
+++ b/src/renderer/ui/panels/SettingsPanel.tsx
@@ -1,9 +1,9 @@
 import { useState } from 'react'
 import { useGameStore } from '../store'
-import { examplePlugin } from '../../game/engine/demo-plugins'
+import { examplePlugin } from '../../game/engine/runtime/demo-plugins'
 import { ensureFx } from '../fx'
-import { SYSTEM_DEFS } from '../../game/engine/capabilities'
-import { buildBiography } from '../../game/core/biography'
+import { SYSTEM_DEFS } from '../../game/engine/runtime/capabilities'
+import { buildBiography } from '../../game/engine/narrative/biography'
 
 export default function SettingsPanel() {
   const world = useGameStore((s) => s.world)
diff --git a/src/renderer/ui/screens/GameScreen.tsx b/src/renderer/ui/screens/GameScreen.tsx
index 8740ae4..8292d8e 100644
--- a/src/renderer/ui/screens/GameScreen.tsx
+++ b/src/renderer/ui/screens/GameScreen.tsx
@@ -12,9 +12,9 @@ import ChroniclePanel from '../panels/ChroniclePanel'
 import SettingsPanel from '../panels/SettingsPanel'
 import { LogFeed } from '../components/LogFeed'
 import { UrgentBadges } from '../components/UrgentBadges'
-import { fmt as fmtNum } from '../../game/core/format'
+import { fmt as fmtNum } from '../../game/engine/kernel/format'
 import { seasonOf } from '../../game/data/season'
-import { seasonTint, yearRing, tideOf } from '../../game/core/timesense'
+import { seasonTint, yearRing, tideOf } from '../../game/engine/kernel/timesense'
 import landscapeUrl from '../../assets/gen/landscape-gold.svg'
 import { GuideStrip } from '../components/GuideStrip'
 
diff --git a/src/renderer/ui/screens/NewGame.tsx b/src/renderer/ui/screens/NewGame.tsx
index bf8af2c..d32556c 100644
--- a/src/renderer/ui/screens/NewGame.tsx
+++ b/src/renderer/ui/screens/NewGame.tsx
@@ -1,7 +1,7 @@
 import { useMemo, useState } from 'react'
 import { useGameStore } from '../store'
-import { SURNAME_POOL } from '../../game/core/names'
-import { RngHub } from '../../game/core/rng'
+import { SURNAME_POOL } from '../../game/engine/kernel/names'
+import { RngHub } from '../../game/engine/kernel/rng'
 
 export default function NewGame() {
   const go = useGameStore((s) => s.go)
diff --git a/src/renderer/ui/sound.ts b/src/renderer/ui/sound.ts
index 3b6ca02..bdd0aed 100644
--- a/src/renderer/ui/sound.ts
+++ b/src/renderer/ui/sound.ts
@@ -1,5 +1,5 @@
 // 合成音效：鼓点·钟鸣·纸韵（Web Audio，零素材依赖）
-import { RngHub } from '../game/core/rng'
+import { RngHub } from '../game/engine/kernel/rng'
 let ctx: AudioContext | null = null
 let enabled = true
 
diff --git a/src/renderer/ui/store.ts b/src/renderer/ui/store.ts
index 2aca894..52602e9 100644
--- a/src/renderer/ui/store.ts
+++ b/src/renderer/ui/store.ts
@@ -1,13 +1,13 @@
 import { create } from 'zustand'
-import { World, WorldEventBus } from '../game/engine/world'
+import { World, WorldEventBus } from '../game/engine/runtime/World'
 import { EventDef } from '../game/data/events'
-import { findEvent, applyEventChoice } from '../game/engine/systems/events'
+import { findEvent, applyEventChoice } from '../game/engine/runtime/Systems/events'
 import { BattleLog, ChronicleEntry, GameState, LogItem, SaveMeta, YearlyReport, SnapshotMeta } from '../game/types/domain'
 import { getSlotManager, getSaveSlot } from '../game/storage/db'
 import { metaFromState, updateSlotMeta } from './storeHelper'
-import { GameFacade, ActName } from '../game/engine/api'
+import { GameFacade, ActName } from '../game/engine/runtime/ApiFacade'
 import { setSoundEnabled, sPaper, sGood, sBad, sWar, sBell, sGong, sClick, sTick } from './sound'
-import type { PhaseStat } from '../game/core/clock'
+import type { PhaseStat } from '../game/engine/kernel/clock'
 import { seasonOf } from '../game/data/season'
 
 export type Screen = 'boot' | 'newgame' | 'game'
@@ -63,7 +63,7 @@ export interface GameStore {
   facade?: GameFacade
   advancing: boolean
   setNextToast: (msg: string) => void
-  act: (name: ActName, payload: import('../game/engine/api').ActPayload) => boolean
+  act: (name: ActName, payload: import('../game/engine/runtime/ApiFacade').ActPayload) => boolean
 }
 
 const LOG_CAP = 260
@@ -193,7 +193,7 @@ export const useGameStore = create<GameStore>((set, get) => ({
       const elapsed = performance.now() - t0
       try {
         const nextInv = { ...w.state.family.inventory, stones: w.state.family.stones }
-        const FxGate = (await import('../game/core/fxqueue')).FxGate
+        const FxGate = (await import('../game/engine/kernel/fxqueue')).FxGate
         const deltas = FxGate.deltas(prevInv, nextInv)
         const windowRef = window as unknown as { dispatchEvent: (e: Event) => void }
         windowRef.dispatchEvent(new CustomEvent('fx:drift', { detail: deltas }))
@@ -454,7 +454,7 @@ function makeBus(st: GameStore): WorldEventBus {
   }
 }
 
-function actDirect(w: World, name: ActName, payload: import('../game/engine/api').ActPayload): boolean {
+function actDirect(w: World, name: ActName, payload: import('../game/engine/runtime/ApiFacade').ActPayload): boolean {
   if (name === 'legacy.resolve') return (w.resolveLegacyNow(), true)
   if (name === 'estate.rite') return w.ancestralRite()
   if (name === 'estate.sutra') return w.seekSutra()
diff --git a/tests/api-matrix.test.ts b/tests/api-matrix.test.ts
index 5186808..3009710 100644
--- a/tests/api-matrix.test.ts
+++ b/tests/api-matrix.test.ts
@@ -1,6 +1,6 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
-import { GameFacade, ACT_CATALOG, ActName } from '../src/renderer/game/engine/api'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { GameFacade, ACT_CATALOG, ActName } from '../src/renderer/game/engine/runtime/ApiFacade'
 import { resetSaveBus, attachLogSink } from './world.helpers'
 
 function baseWorld(seed: string): World {
diff --git a/tests/aspiration-trib-bio.test.ts b/tests/aspiration-trib-bio.test.ts
index 02fbb28..0812925 100644
--- a/tests/aspiration-trib-bio.test.ts
+++ b/tests/aspiration-trib-bio.test.ts
@@ -1,11 +1,11 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
-import { monthlyRate, resolveBreakthrough } from '../src/renderer/game/engine/systems/cultivation'
-import { combatPowerOf } from '../src/renderer/game/engine/systems/combat'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { monthlyRate, resolveBreakthrough } from '../src/renderer/game/engine/runtime/Systems/cultivation'
+import { combatPowerOf } from '../src/renderer/game/engine/runtime/Systems/combat'
 import { isFit } from '../src/renderer/game/data/aspirations'
-import { needsTribulation, resolveTribulation, tribulationEventId } from '../src/renderer/game/engine/systems/tribulation'
-import { buildBiography } from '../src/renderer/game/core/biography'
-import { applyEventChoice } from '../src/renderer/game/engine/systems/events'
+import { needsTribulation, resolveTribulation, tribulationEventId } from '../src/renderer/game/engine/runtime/Systems/tribulation'
+import { buildBiography } from '../src/renderer/game/engine/narrative/biography'
+import { applyEventChoice } from '../src/renderer/game/engine/runtime/Systems/events'
 import { resetSaveBus, attachLogSink } from './world.helpers'
 
 function baseWorld(seed: string): World {
diff --git a/tests/audit-fix-0.1.11.test.ts b/tests/audit-fix-0.1.11.test.ts
index 1900308..c2520d2 100644
--- a/tests/audit-fix-0.1.11.test.ts
+++ b/tests/audit-fix-0.1.11.test.ts
@@ -1,8 +1,8 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
-import { applyEventChoice } from '../src/renderer/game/engine/systems/events'
-import { computeUrgency } from '../src/renderer/game/core/urgency'
-import { monthlyRate } from '../src/renderer/game/engine/systems/cultivation'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { applyEventChoice } from '../src/renderer/game/engine/runtime/Systems/events'
+import { computeUrgency } from '../src/renderer/game/engine/kernel/urgency'
+import { monthlyRate } from '../src/renderer/game/engine/runtime/Systems/cultivation'
 import { resetSaveBus, attachLogSink } from './world.helpers'
 
 function baseWorld(seed: string): World {
diff --git a/tests/audit-regression.test.ts b/tests/audit-regression.test.ts
index 7803641..fae00ed 100644
--- a/tests/audit-regression.test.ts
+++ b/tests/audit-regression.test.ts
@@ -1,13 +1,13 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
-import { newCharacter } from '../src/renderer/game/engine/pcgen'
-import { Rng, seedToRng } from '../src/renderer/game/core/rng'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { newCharacter } from '../src/renderer/game/engine/runtime/pcgen'
+import { Rng, seedToRng } from '../src/renderer/game/engine/kernel/rng'
 import { PACK } from '../src/renderer/game/data/registry'
-import { buildApprentice } from '../src/renderer/game/engine/systems/tournament'
-import { sendMission } from '../src/renderer/game/engine/systems/missions'
-import { buyItem, marketPrice } from '../src/renderer/game/engine/market'
-import { findEvent } from '../src/renderer/game/engine/systems/events'
-import { runTournament } from '../src/renderer/game/engine/systems/tournament'
+import { buildApprentice } from '../src/renderer/game/engine/runtime/Systems/tournament'
+import { sendMission } from '../src/renderer/game/engine/runtime/Systems/missions'
+import { buyItem, marketPrice } from '../src/renderer/game/engine/sim/Market'
+import { findEvent } from '../src/renderer/game/engine/runtime/Systems/events'
+import { runTournament } from '../src/renderer/game/engine/runtime/Systems/tournament'
 import { stateFingerprint, longRun } from './fingerprint.helper'
 import { resetSaveBus, attachLogSink } from './world.helpers'
 
diff --git a/tests/audit.test.ts b/tests/audit.test.ts
index 2c0a4d5..617ad2f 100644
--- a/tests/audit.test.ts
+++ b/tests/audit.test.ts
@@ -1,11 +1,11 @@
 import { describe, expect, it } from 'vitest'
-import { World, normalizeGameState } from '../src/renderer/game/engine/world'
+import { World, normalizeGameState } from '../src/renderer/game/engine/runtime/World'
 import {
   marryNpcFamily,
   makePeace
-} from '../src/renderer/game/engine/systems/diplomacy'
-import { sendMission, recallAll } from '../src/renderer/game/engine/systems/missions'
-import { applyEventChoice } from '../src/renderer/game/engine/systems/events'
+} from '../src/renderer/game/engine/runtime/Systems/diplomacy'
+import { sendMission, recallAll } from '../src/renderer/game/engine/runtime/Systems/missions'
+import { applyEventChoice } from '../src/renderer/game/engine/runtime/Systems/events'
 import { GameState } from '../src/renderer/game/types/domain'
 import { resetSaveBus, attachLogSink } from './world.helpers'
 
diff --git a/tests/balance-edge.test.ts b/tests/balance-edge.test.ts
index 3fe14ee..18b137c 100644
--- a/tests/balance-edge.test.ts
+++ b/tests/balance-edge.test.ts
@@ -1,13 +1,13 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
-import { monthlyRate } from '../src/renderer/game/engine/systems/cultivation'
-import { combatPowerOf } from '../src/renderer/game/engine/systems/combat'
-import { resolveBreakthrough } from '../src/renderer/game/engine/systems/cultivation'
-import { computeLegacy, resolveLegacy } from '../src/renderer/game/core/legacy'
-import { yearAxis } from '../src/renderer/game/core/yearaxis'
-import { buildBiography } from '../src/renderer/game/core/biography'
-import { computeGenealogy } from '../src/renderer/game/core/genealogy'
-import { marketPrice, buyItem, sellItem } from '../src/renderer/game/engine/market'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { monthlyRate } from '../src/renderer/game/engine/runtime/Systems/cultivation'
+import { combatPowerOf } from '../src/renderer/game/engine/runtime/Systems/combat'
+import { resolveBreakthrough } from '../src/renderer/game/engine/runtime/Systems/cultivation'
+import { computeLegacy, resolveLegacy } from '../src/renderer/game/engine/narrative/legacy'
+import { yearAxis } from '../src/renderer/game/engine/narrative/yearaxis'
+import { buildBiography } from '../src/renderer/game/engine/narrative/biography'
+import { computeGenealogy } from '../src/renderer/game/engine/narrative/genealogy'
+import { marketPrice, buyItem, sellItem } from '../src/renderer/game/engine/sim/Market'
 import { resetSaveBus, attachLogSink } from './world.helpers'
 
 function baseWorld(seed: string): World {
diff --git a/tests/clock-season-axis.test.ts b/tests/clock-season-axis.test.ts
index 41b5b23..8c69549 100644
--- a/tests/clock-season-axis.test.ts
+++ b/tests/clock-season-axis.test.ts
@@ -1,10 +1,10 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
-import { GameClock, PHASE_ORDER } from '../src/renderer/game/core/clock'
-import { buildClock } from '../src/renderer/game/engine/clocks'
-import { RngHub } from '../src/renderer/game/core/rng'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { GameClock, PHASE_ORDER } from '../src/renderer/game/engine/kernel/clock'
+import { buildClock } from '../src/renderer/game/engine/runtime/clocks'
+import { RngHub } from '../src/renderer/game/engine/kernel/rng'
 import { seasonOf, seasonMod, SEASON } from '../src/renderer/game/data/season'
-import { yearAxis, decadeLabel } from '../src/renderer/game/core/yearaxis'
+import { yearAxis, decadeLabel } from '../src/renderer/game/engine/narrative/yearaxis'
 import { stateFingerprint } from './fingerprint.helper'
 import { resetSaveBus, attachLogSink } from './world.helpers'
 
diff --git a/tests/clock.test.ts b/tests/clock.test.ts
index 74daa97..8e65ae8 100644
--- a/tests/clock.test.ts
+++ b/tests/clock.test.ts
@@ -1,6 +1,6 @@
 import { describe, expect, it } from 'vitest'
 import { stateFingerprint, longRun } from './fingerprint.helper'
-import { World } from '../src/renderer/game/engine/world'
+import { World } from '../src/renderer/game/engine/runtime/World'
 
 /**
  * 金钟罩：固定种子长跑 560 月的状态指纹。
diff --git a/tests/combat-missions.test.ts b/tests/combat-missions.test.ts
index abe5e35..72a73f0 100644
--- a/tests/combat-missions.test.ts
+++ b/tests/combat-missions.test.ts
@@ -1,8 +1,8 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
-import { combatPowerOf, resolveEncounter, resolveRaid, rollWarbooty } from '../src/renderer/game/engine/systems/combat'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { combatPowerOf, resolveEncounter, resolveRaid, rollWarbooty } from '../src/renderer/game/engine/runtime/Systems/combat'
 import { ENEMIES } from '../src/renderer/game/data/secrets'
-import { sendMission, recallAll } from '../src/renderer/game/engine/systems/missions'
+import { sendMission, recallAll } from '../src/renderer/game/engine/runtime/Systems/missions'
 import { missionById } from '../src/renderer/game/data/secrets'
 import { resetSaveBus, attachLogSink } from './world.helpers'
 
diff --git a/tests/core-extra.test.ts b/tests/core-extra.test.ts
index 798e1a4..1a83ce3 100644
--- a/tests/core-extra.test.ts
+++ b/tests/core-extra.test.ts
@@ -1,6 +1,6 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
-import { applyEventChoice, applyEffect } from '../src/renderer/game/engine/systems/events'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { applyEventChoice, applyEffect } from '../src/renderer/game/engine/runtime/Systems/events'
 import { EffectDef } from '../src/renderer/game/data/events'
 import { Character } from '../src/renderer/game/types/domain'
 import { resetSaveBus, attachLogSink } from './world.helpers'
diff --git a/tests/data.test.ts b/tests/data.test.ts
index 5f3e69a..62bad7e 100644
--- a/tests/data.test.ts
+++ b/tests/data.test.ts
@@ -22,7 +22,7 @@ import { NPCS, npcById } from '../src/renderer/game/data/npcs'
 import { POSTS, POST_ORDER } from '../src/renderer/game/data/posts'
 import { EVENTS } from '../src/renderer/game/data/events'
 import { MAJOR_RATE, masteryRateOfMajor } from '../src/renderer/game/data/pacing'
-import { SURNAME_POOL, MALE_GIVEN, FEMALE_GIVEN } from '../src/renderer/game/core/names'
+import { SURNAME_POOL, MALE_GIVEN, FEMALE_GIVEN } from '../src/renderer/game/engine/kernel/names'
 import { TRAITS } from '../src/renderer/game/data/traits'
 
 describe('realms 境界表', () => {
diff --git a/tests/echo.test.ts b/tests/echo.test.ts
index f2727ba..6d9f2b3 100644
--- a/tests/echo.test.ts
+++ b/tests/echo.test.ts
@@ -1,6 +1,6 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
-import { applyEventChoice, eventRoll } from '../src/renderer/game/engine/systems/events'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { applyEventChoice, eventRoll } from '../src/renderer/game/engine/runtime/Systems/events'
 
 describe('echo 四邻回声', () => {
   function baseWorld(seed: string): World {
diff --git a/tests/economy.test.ts b/tests/economy.test.ts
index 2f7ac48..c0b5856 100644
--- a/tests/economy.test.ts
+++ b/tests/economy.test.ts
@@ -1,6 +1,6 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
-import { marketPrice, buyItem, sellItem, buyTechnique, techniquePrice } from '../src/renderer/game/engine/market'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { marketPrice, buyItem, sellItem, buyTechnique, techniquePrice } from '../src/renderer/game/engine/sim/Market'
 import { ITEMS } from '../src/renderer/game/data/items'
 
 describe('economy 经济系统', () => {
diff --git a/tests/event-state-matrix.test.ts b/tests/event-state-matrix.test.ts
index bdb8b2d..e31e264 100644
--- a/tests/event-state-matrix.test.ts
+++ b/tests/event-state-matrix.test.ts
@@ -1,7 +1,7 @@
 import { describe, expect, it } from 'vitest'
-import { World, normalizeGameState } from '../src/renderer/game/engine/world'
+import { World, normalizeGameState } from '../src/renderer/game/engine/runtime/World'
 import { EVENTS, EffectDef } from '../src/renderer/game/data/events'
-import { applyEventChoice } from '../src/renderer/game/engine/systems/events'
+import { applyEventChoice } from '../src/renderer/game/engine/runtime/Systems/events'
 import { POSTS } from '../src/renderer/game/data/posts'
 import { ASPIRATIONS } from '../src/renderer/game/data/aspirations'
 import { resetSaveBus, attachLogSink } from './world.helpers'
diff --git a/tests/events.helpers.ts b/tests/events.helpers.ts
index 04b1639..46521b6 100644
--- a/tests/events.helpers.ts
+++ b/tests/events.helpers.ts
@@ -1,5 +1,5 @@
-import { World } from '../src/renderer/game/engine/world'
-import { matchesCond } from '../src/renderer/game/engine/systems/events'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { matchesCond } from '../src/renderer/game/engine/runtime/Systems/events'
 import { Cond } from '../src/renderer/game/data/events'
 
 export function matchesCondPub(w: World, cond?: Cond): boolean {
diff --git a/tests/events.test.ts b/tests/events.test.ts
index e694767..9a1ec23 100644
--- a/tests/events.test.ts
+++ b/tests/events.test.ts
@@ -1,6 +1,6 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
-import { matchesCond, applyEventChoice, findEvent, eventRoll } from '../src/renderer/game/engine/systems/events'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { matchesCond, applyEventChoice, findEvent, eventRoll } from '../src/renderer/game/engine/runtime/Systems/events'
 import { EVENTS } from '../src/renderer/game/data/events'
 import { resetSaveBus, attachLogSink } from './world.helpers'
 
diff --git a/tests/facade-registry.test.ts b/tests/facade-registry.test.ts
index f7dee48..161cb60 100644
--- a/tests/facade-registry.test.ts
+++ b/tests/facade-registry.test.ts
@@ -1,9 +1,9 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
-import { GameFacade } from '../src/renderer/game/engine/api'
-import { SYSTEM_DEFS } from '../src/renderer/game/engine/capabilities'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { GameFacade } from '../src/renderer/game/engine/runtime/ApiFacade'
+import { SYSTEM_DEFS } from '../src/renderer/game/engine/runtime/capabilities'
 import { PACK, pack, DEFAULT_PACK } from '../src/renderer/game/data/registry'
-import { marketPrice } from '../src/renderer/game/engine/market'
+import { marketPrice } from '../src/renderer/game/engine/sim/Market'
 import { stateFingerprint, longRun } from './fingerprint.helper'
 import { resetSaveBus, attachLogSink } from './world.helpers'
 
diff --git a/tests/feature-0.1.9.test.ts b/tests/feature-0.1.9.test.ts
index 9d3ea89..2c85324 100644
--- a/tests/feature-0.1.9.test.ts
+++ b/tests/feature-0.1.9.test.ts
@@ -1,12 +1,12 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
-import { buildReport, verdictLine } from '../src/renderer/game/core/legacyreport'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { buildReport, verdictLine } from '../src/renderer/game/engine/narrative/legacyreport'
 import { migrateIfNeeded, exportEnvelope, parseImportEnvelope, CURRENT_SCHEMA, APP_ID } from '../src/renderer/game/storage/migrate'
 import { FORMATIONS, formationById, FormationId } from '../src/renderer/game/data/formations'
-import { resolveEncounter } from '../src/renderer/game/engine/systems/combat'
+import { resolveEncounter } from '../src/renderer/game/engine/runtime/Systems/combat'
 import { ENEMIES } from '../src/renderer/game/data/secrets'
-import { applyEventChoice } from '../src/renderer/game/engine/systems/events'
-import { sendMission } from '../src/renderer/game/engine/systems/missions'
+import { applyEventChoice } from '../src/renderer/game/engine/runtime/Systems/events'
+import { sendMission } from '../src/renderer/game/engine/runtime/Systems/missions'
 import { resetSaveBus, attachLogSink } from './world.helpers'
 
 function baseWorld(seed: string): World {
diff --git a/tests/fingerprint.helper.ts b/tests/fingerprint.helper.ts
index dbbf928..ba061d4 100644
--- a/tests/fingerprint.helper.ts
+++ b/tests/fingerprint.helper.ts
@@ -1,4 +1,4 @@
-import { World } from '../src/renderer/game/engine/world'
+import { World } from '../src/renderer/game/engine/runtime/World'
 import { GameState } from '../src/renderer/game/types/domain'
 
 export function stateFingerprint(s: GameState): string {
diff --git a/tests/fx-timesense.test.ts b/tests/fx-timesense.test.ts
index cdc9c1b..07fe48f 100644
--- a/tests/fx-timesense.test.ts
+++ b/tests/fx-timesense.test.ts
@@ -1,7 +1,7 @@
 import { describe, expect, it } from 'vitest'
 import { seasonOf } from '../src/renderer/game/data/season'
-import { tideOf, yearRing, seasonTint, seasonCssVars, TIDES } from '../src/renderer/game/core/timesense'
-import { FxGate, FxKind } from '../src/renderer/game/core/fxqueue'
+import { tideOf, yearRing, seasonTint, seasonCssVars, TIDES } from '../src/renderer/game/engine/kernel/timesense'
+import { FxGate, FxKind } from '../src/renderer/game/engine/kernel/fxqueue'
 
 describe('timesense 时间感知矩阵', () => {
   it.each([[1, 'spring'], [3, 'spring'], [4, 'summer'], [6, 'summer'], [7, 'autumn'], [9, 'autumn'], [10, 'winter'], [12, 'winter']] as const)(
diff --git a/tests/helpers/examplePlugin.ts b/tests/helpers/examplePlugin.ts
index cc8fcf9..48fdbb5 100644
--- a/tests/helpers/examplePlugin.ts
+++ b/tests/helpers/examplePlugin.ts
@@ -1,4 +1,4 @@
-import { CotycPlugin } from '../../src/renderer/game/core/plugin'
+import { CotycPlugin } from '../../src/renderer/game/engine/kernel/plugin'
 
 /** 示例内容插件：注入事件池 + 一个护山能力（开发范本） */
 export const examplePlugin: CotycPlugin = {
diff --git a/tests/legacy-tournament.test.ts b/tests/legacy-tournament.test.ts
index c5414af..830867a 100644
--- a/tests/legacy-tournament.test.ts
+++ b/tests/legacy-tournament.test.ts
@@ -1,8 +1,8 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
-import { computeLegacy, resolveLegacy, peakRealmIndex, grandTechniqueCount } from '../src/renderer/game/core/legacy'
-import { runTournament, buildApprentice, finalizeApprentice, apprenticeCandidates } from '../src/renderer/game/engine/systems/tournament'
-import { applyEventChoice } from '../src/renderer/game/engine/systems/events'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { computeLegacy, resolveLegacy, peakRealmIndex, grandTechniqueCount } from '../src/renderer/game/engine/narrative/legacy'
+import { runTournament, buildApprentice, finalizeApprentice, apprenticeCandidates } from '../src/renderer/game/engine/runtime/Systems/tournament'
+import { applyEventChoice } from '../src/renderer/game/engine/runtime/Systems/events'
 import { resetSaveBus, attachLogSink } from './world.helpers'
 
 function baseWorld(seed: string): World {
diff --git a/tests/longevity.test.ts b/tests/longevity.test.ts
index df775ac..4682a66 100644
--- a/tests/longevity.test.ts
+++ b/tests/longevity.test.ts
@@ -1,6 +1,6 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
-import { applyEventChoice } from '../src/renderer/game/engine/systems/events'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { applyEventChoice } from '../src/renderer/game/engine/runtime/Systems/events'
 import { resetSaveBus, attachLogSink } from './world.helpers'
 
 const SEEDS = ['long-a', 'long-b', 'long-c']
diff --git a/tests/marriage-diplomacy.test.ts b/tests/marriage-diplomacy.test.ts
index c25596e..6bb31e2 100644
--- a/tests/marriage-diplomacy.test.ts
+++ b/tests/marriage-diplomacy.test.ts
@@ -1,13 +1,13 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
+import { World } from '../src/renderer/game/engine/runtime/World'
 import {
   giftNpc,
   marryNpcFamily,
   makePeace,
   arrangeWedding,
   diplomacyTick
-} from '../src/renderer/game/engine/systems/diplomacy'
-import { yearStartMarriage } from '../src/renderer/game/engine/systems/marriage'
+} from '../src/renderer/game/engine/runtime/Systems/diplomacy'
+import { yearStartMarriage } from '../src/renderer/game/engine/runtime/Systems/marriage'
 import { resetSaveBus, attachLogSink } from './world.helpers'
 
 function baseWorld(seed: string): World {
@@ -189,7 +189,7 @@ describe('genealogy 谱系结构', () => {
   })
 })
 
-import { computeGenealogy } from '../src/renderer/game/core/genealogy'
+import { computeGenealogy } from '../src/renderer/game/engine/narrative/genealogy'
 function computeGenealogyLocal(w: World) {
   return computeGenealogy(w)
 }
diff --git a/tests/modal-0.1.12.test.ts b/tests/modal-0.1.12.test.ts
index d3cab2c..db14847 100644
--- a/tests/modal-0.1.12.test.ts
+++ b/tests/modal-0.1.12.test.ts
@@ -1,6 +1,6 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
-import { calcGiftGain, GIFT_TIERS, giftNpc } from '../src/renderer/game/engine/systems/diplomacy'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { calcGiftGain, GIFT_TIERS, giftNpc } from '../src/renderer/game/engine/runtime/Systems/diplomacy'
 import { resetSaveBus, attachLogSink } from './world.helpers'
 
 function baseWorld(seed: string): World {
diff --git a/tests/pcgen-cultivation.test.ts b/tests/pcgen-cultivation.test.ts
index 33d5118..1666841 100644
--- a/tests/pcgen-cultivation.test.ts
+++ b/tests/pcgen-cultivation.test.ts
@@ -1,9 +1,9 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
-import { Rng, seedToRng } from '../src/renderer/game/core/rng'
-import { newCharacter, rollAttributes, rollRoots, rollPersonality, traitBonuses, calcLifespan } from '../src/renderer/game/engine/pcgen'
-import { monthlyRate, perAttemptChance } from '../src/renderer/game/engine/systems/cultivation'
-import { lifespanOf } from '../src/renderer/game/engine/systems/lifecycle'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { Rng, seedToRng } from '../src/renderer/game/engine/kernel/rng'
+import { newCharacter, rollAttributes, rollRoots, rollPersonality, traitBonuses, calcLifespan } from '../src/renderer/game/engine/runtime/pcgen'
+import { monthlyRate, perAttemptChance } from '../src/renderer/game/engine/runtime/Systems/cultivation'
+import { lifespanOf } from '../src/renderer/game/engine/runtime/Systems/lifecycle'
 
 function rng(): Rng {
   return new Rng(seedToRng('pcgen'))
diff --git a/tests/plugin.test.ts b/tests/plugin.test.ts
index 3792751..e4883db 100644
--- a/tests/plugin.test.ts
+++ b/tests/plugin.test.ts
@@ -1,9 +1,9 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
-import { GameFacade } from '../src/renderer/game/engine/api'
-import { installCoreSystems, buildClock } from '../src/renderer/game/engine/clocks'
-import { emptyClock } from '../src/renderer/game/engine/clocks'
-import { CORE_PLUGINS } from '../src/renderer/game/engine/plugin-bootstrap'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { GameFacade } from '../src/renderer/game/engine/runtime/ApiFacade'
+import { installCoreSystems, buildClock } from '../src/renderer/game/engine/runtime/clocks'
+import { emptyClock } from '../src/renderer/game/engine/runtime/clocks'
+import { CORE_PLUGINS } from '../src/renderer/game/engine/runtime/plugin-bootstrap'
 import { examplePlugin, brokenPlugin } from './helpers/examplePlugin'
 import { stateFingerprint, longRun } from './fingerprint.helper'
 import { resetSaveBus, attachLogSink } from './world.helpers'
diff --git a/tests/rebuild-0.1.10.test.ts b/tests/rebuild-0.1.10.test.ts
index c7cea7b..eb293b8 100644
--- a/tests/rebuild-0.1.10.test.ts
+++ b/tests/rebuild-0.1.10.test.ts
@@ -1,8 +1,8 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
-import { monthlyRate } from '../src/renderer/game/engine/systems/cultivation'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { monthlyRate } from '../src/renderer/game/engine/runtime/Systems/cultivation'
 import { MAJORS } from '../src/renderer/game/data/realms'
-import { applyEventChoice } from '../src/renderer/game/engine/systems/events'
+import { applyEventChoice } from '../src/renderer/game/engine/runtime/Systems/events'
 import { resetSaveBus, attachLogSink } from './world.helpers'
 
 function baseWorld(seed: string): World {
@@ -73,8 +73,8 @@ describe('0.1.10 数值重建验收', () => {
   })
 })
 
-import { resolveBreakthrough } from '../src/renderer/game/engine/systems/cultivation'
-import { perTribChance } from '../src/renderer/game/engine/systems/tribulation'
+import { resolveBreakthrough } from '../src/renderer/game/engine/runtime/Systems/cultivation'
+import { perTribChance } from '../src/renderer/game/engine/runtime/Systems/tribulation'
 
 describe('事件悬置与周期（0.1.10）', () => {
   it('大比征召 FIFO 不被拍卖/传薪挤掉（20 年三年都触发）', () => {
diff --git a/tests/rng-matrix.test.ts b/tests/rng-matrix.test.ts
index f3c2fde..5642527 100644
--- a/tests/rng-matrix.test.ts
+++ b/tests/rng-matrix.test.ts
@@ -1,5 +1,5 @@
 import { describe, expect, it } from 'vitest'
-import { Rng, seedToRng, RngHub } from '../src/renderer/game/core/rng'
+import { Rng, seedToRng, RngHub } from '../src/renderer/game/engine/kernel/rng'
 
 describe('RNG 多种子矩阵', () => {
   it.each([
diff --git a/tests/rng.test.ts b/tests/rng.test.ts
index f359d9f..413e834 100644
--- a/tests/rng.test.ts
+++ b/tests/rng.test.ts
@@ -1,5 +1,5 @@
 import { describe, expect, it } from 'vitest'
-import { Rng, seedToRng } from '../src/renderer/game/core/rng'
+import { Rng, seedToRng } from '../src/renderer/game/engine/kernel/rng'
 
 describe('Rng.sfc32 特性', () => {
   it('同一种子产生的序列完全一致', () => {
diff --git a/tests/save-ext.test.ts b/tests/save-ext.test.ts
index 49aa8e8..4d8db6b 100644
--- a/tests/save-ext.test.ts
+++ b/tests/save-ext.test.ts
@@ -1,6 +1,6 @@
 import { describe, expect, it } from 'vitest'
 import { SaveSlot, SaveDbDriver } from '../src/renderer/game/storage/slots'
-import { World } from '../src/renderer/game/engine/world'
+import { World } from '../src/renderer/game/engine/runtime/World'
 
 interface Row {
   [k: string]: unknown
diff --git a/tests/save.test.ts b/tests/save.test.ts
index 81d715f..25ff9d7 100644
--- a/tests/save.test.ts
+++ b/tests/save.test.ts
@@ -1,7 +1,7 @@
 import { describe, expect, it } from 'vitest'
 import { SaveSlot, SaveDbDriver } from '../src/renderer/game/storage/slots'
 import { GameState } from '../src/renderer/game/types/domain'
-import { World } from '../src/renderer/game/engine/world'
+import { World } from '../src/renderer/game/engine/runtime/World'
 
 interface Row {
   [k: string]: unknown
diff --git a/tests/systems.test.ts b/tests/systems.test.ts
index fcdba18..2785046 100644
--- a/tests/systems.test.ts
+++ b/tests/systems.test.ts
@@ -1,10 +1,10 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
-import { combatPowerOf } from '../src/renderer/game/engine/systems/combat'
-import { marketPrice, buyItem, sellItem, buyTechnique } from '../src/renderer/game/engine/market'
-import { resolveBreakthrough, monthlyRate } from '../src/renderer/game/engine/systems/cultivation'
-import { applyEventChoice } from '../src/renderer/game/engine/systems/events'
-import { computeGenealogy } from '../src/renderer/game/core/genealogy'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { combatPowerOf } from '../src/renderer/game/engine/runtime/Systems/combat'
+import { marketPrice, buyItem, sellItem, buyTechnique } from '../src/renderer/game/engine/sim/Market'
+import { resolveBreakthrough, monthlyRate } from '../src/renderer/game/engine/runtime/Systems/cultivation'
+import { applyEventChoice } from '../src/renderer/game/engine/runtime/Systems/events'
+import { computeGenealogy } from '../src/renderer/game/engine/narrative/genealogy'
 import { matchesCondPub } from './events.helpers'
 import { resetSaveBus, attachLogSink } from './world.helpers'
 
diff --git a/tests/ux-0.1.11.test.ts b/tests/ux-0.1.11.test.ts
index 3efa87f..a9643e5 100644
--- a/tests/ux-0.1.11.test.ts
+++ b/tests/ux-0.1.11.test.ts
@@ -1,8 +1,8 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
-import { computeUrgency } from '../src/renderer/game/core/urgency'
-import { computeGuide, GUIDE_STEPS, guideAdvance } from '../src/renderer/game/core/guide'
-import { fmt } from '../src/renderer/game/core/format'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { computeUrgency } from '../src/renderer/game/engine/kernel/urgency'
+import { computeGuide, GUIDE_STEPS, guideAdvance } from '../src/renderer/game/engine/kernel/guide'
+import { fmt } from '../src/renderer/game/engine/kernel/format'
 
 function baseWorld(seed: string): World {
   return World.create({ seed, surname: '舒', familyName: '舒家', motto: 'm', difficulty: 'normal' })
diff --git a/tests/world-lifecycle.test.ts b/tests/world-lifecycle.test.ts
index a73dc26..fc21421 100644
--- a/tests/world-lifecycle.test.ts
+++ b/tests/world-lifecycle.test.ts
@@ -1,6 +1,6 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
-import { createWorldState, NewGameOptions, findInheritor } from '../src/renderer/game/engine/creation'
+import { World } from '../src/renderer/game/engine/runtime/World'
+import { createWorldState, NewGameOptions, findInheritor } from '../src/renderer/game/engine/runtime/creation'
 import { resetSaveBus, attachLogSink } from './world.helpers'
 
 function opts(seed: string, difficulty: 'easy' | 'normal' | 'hard' = 'normal', surname = '彭'): NewGameOptions {
diff --git a/tests/world-matrix.test.ts b/tests/world-matrix.test.ts
index 17c7a87..f1c9b21 100644
--- a/tests/world-matrix.test.ts
+++ b/tests/world-matrix.test.ts
@@ -1,8 +1,8 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
+import { World } from '../src/renderer/game/engine/runtime/World'
 import { stateFingerprint, longRun } from './fingerprint.helper'
-import { computeGenealogy } from '../src/renderer/game/core/genealogy'
-import { applyEventChoice } from '../src/renderer/game/engine/systems/events'
+import { computeGenealogy } from '../src/renderer/game/engine/narrative/genealogy'
+import { applyEventChoice } from '../src/renderer/game/engine/runtime/Systems/events'
 import { resetSaveBus, attachLogSink } from './world.helpers'
 
 describe('多 seed 长跑矩阵', () => {
diff --git a/tests/world.helpers.ts b/tests/world.helpers.ts
index 3e82575..7aa282f 100644
--- a/tests/world.helpers.ts
+++ b/tests/world.helpers.ts
@@ -1,4 +1,4 @@
-import { World, WorldEventBus } from '../src/renderer/game/engine/world'
+import { World, WorldEventBus } from '../src/renderer/game/engine/runtime/World'
 import { LogItem, ChronicleEntry, BattleLog } from '../src/renderer/game/types/domain'
 
 const sinks: Set<WorldEventBus> = new Set()
diff --git a/tests/world.test.ts b/tests/world.test.ts
index 2e719a5..54f898b 100644
--- a/tests/world.test.ts
+++ b/tests/world.test.ts
@@ -1,5 +1,5 @@
 import { describe, expect, it } from 'vitest'
-import { World } from '../src/renderer/game/engine/world'
+import { World } from '../src/renderer/game/engine/runtime/World'
 import { resetSaveBus, attachLogSink } from './world.helpers'
 
 describe('World engine', () => {