diff --git a/.planning/phases/06-unit-tests/06-TEST-FINDINGS.md b/.planning/phases/06-unit-tests/06-TEST-FINDINGS.md
index 215636d..b3d3840 100644
--- a/.planning/phases/06-unit-tests/06-TEST-FINDINGS.md
+++ b/.planning/phases/06-unit-tests/06-TEST-FINDINGS.md
@@ -24,3 +24,4 @@
 | 模块/接口 | 现象 | 最小复现 | 疑似原因 | 影响面 | 建议修复方向 | 关联 skip 用例 | 严重度 |
 | --- | --- | --- | --- | --- | --- | --- | --- |
 | `damage.ts` `DamageContext.calculateCritical` / `findNextCritical` | 产出的临界点 `info` 与 `nextValue` 不对应 | 假计算器 `damage = 100 - atk * 10`、`getCriticalLimit = 10`、当前 `atk = 0`；首个临界点 `nextValue = 1`（正确伤害应为 90），但 `info.damage = 0`、`damageDiff = -100` | `findNextCritical` 在 `middleInfo.damage < referenceDamage` 分支只更新 `right`，从不更新 `targetInfo`，`targetInfo` 一直停留在初始 `upperLimit` 处的计算结果 | 临界点查询（数值提示、战斗模拟）展示的伤害与对应属性值不匹配 | 在 `middleInfo.damage < referenceDamage` 分支同步 `targetInfo = middleInfo`，或二分结束后按最终 `right` 重新计算一次 | `damage.test.ts` `reports the damage info matching the yielded critical value`（#06-01-1） | 中 |
+| `mapDamage.ts` `MapDamage.deleteEnemy` | 删除怪物后，该怪物产生的有来源地图伤害仍然存在 | 注册一个怪物视图并转换出伤害（假视图伤害 7）→ `getSeparatedDamage` 有 1 条 → `deleteEnemy(view)` → `getSeparatedDamage` 仍有 1 条（正确应为 0） | `viewStore` 与 `damageStore` 只在读/删路径出现，全文件没有任何 `.set(...)` 写入，因此 `deleteEnemy` / `removeEnemyAffecting` 中 `viewStore.get(viewItem)` 恒为 `undefined`，清理循环被整体跳过；`sourcedDamage` 点位与 `affectedBy` 都不会被移除 | 怪物死亡/离场后地图伤害不消失，`getSeparatedDamage` / `getReducedDamage` 继续返回幽灵伤害，并会污染后续 `refreshIndex` 的重新聚合 | 在 `refreshEnemy` / `refreshEnemyAndClearCache` 建立 sourced 伤害时同步写入 `viewStore.set(viewItem, { damages, enemy })` 与 `damageStore.set(damage, { sourceView, sourceEnemy, index })`，或改为在 `deleteEnemy` 中直接遍历 `sourcedDamage` 的 `affectedBy` 反向清理 | `mapDamage.test.ts` `removes enemy-sourced damage when the enemy is deleted`（#06-01-2） | 中 |
diff --git a/packages-user/data-system/src/combat/context.test.ts b/packages-user/data-system/src/combat/context.test.ts
new file mode 100644
index 0000000..6470a26
--- /dev/null
+++ b/packages-user/data-system/src/combat/context.test.ts
@@ -0,0 +1,339 @@
+// 测试怪物上下文：注册与查询、未知查找、删除、resize、范围遍历与各类效果注册表增删
+import { beforeAll, describe, expect, it, vi } from 'vitest';
+import { type IEnemy, type IStateBase } from '@user/data-base';
+import {
+    type IAuraConverter,
+    type IEnemyCommonQueryEffect,
+    type IEnemyFinalEffect,
+    type IEnemySpecialQueryEffect
+} from './types';
+
+vi.hoisted(() => {
+    vi.stubGlobal('main', { replayChecking: true });
+    vi.stubGlobal('location', { origin: 'http://localhost' });
+    Map.prototype.getOrInsertComputed ??= function <K, V>(
+        this: Map<K, V>,
+        key: K,
+        callback: (key: K) => V
+    ): V {
+        const existing = this.get(key);
+        if (existing !== undefined) return existing;
+        const value = callback(key);
+        this.set(key, value);
+        return value;
+    };
+    Map.prototype.getOrInsert ??= function <K, V>(
+        this: Map<K, V>,
+        key: K,
+        defaultValue: V
+    ): V {
+        const existing = this.get(key);
+        if (existing !== undefined) return existing;
+        this.set(key, defaultValue);
+        return defaultValue;
+    };
+});
+
+interface TestEnemyAttr {
+    /** 怪物生命值 */
+    hp: number;
+    /** 怪物攻击力 */
+    atk: number;
+    /** 怪物防御力 */
+    def: number;
+}
+
+interface TestHeroAttr {
+    /** 勇士生命值 */
+    hp: number;
+    /** 勇士攻击力 */
+    atk: number;
+    /** 勇士防御力 */
+    def: number;
+}
+
+interface TestModules {
+    EnemyContext: typeof import('./context').EnemyContext;
+    Enemy: typeof import('@user/data-base').Enemy;
+    HeroAttribute: typeof import('@user/data-base').HeroAttribute;
+}
+
+let modules: TestModules;
+
+beforeAll(async () => {
+    vi.stubGlobal('main', { replayChecking: true });
+    vi.stubGlobal('location', { origin: 'http://localhost' });
+    const contextModule = await import('./context');
+    const baseModule = await import('@user/data-base');
+    modules = {
+        EnemyContext: contextModule.EnemyContext,
+        Enemy: baseModule.Enemy,
+        HeroAttribute: baseModule.HeroAttribute
+    };
+});
+
+interface FakeSpecial {
+    /** 特殊属性代码 */
+    readonly code: number;
+
+    /**
+     * 深拷贝此特殊属性
+     */
+    clone(): FakeSpecial;
+}
+
+/**
+ * 创建一个最小特殊属性对象，只用于驱动注册表的匹配路径
+ * @param code 特殊属性代码
+ */
+function createSpecial(code: number): FakeSpecial {
+    return { code, clone: () => createSpecial(code) };
+}
+
+/**
+ * 创建一个怪物对象
+ * @param id 怪物 id
+ * @param code 怪物图块数字
+ */
+function createEnemy(id: string, code: number): IEnemy<TestEnemyAttr> {
+    return new modules.Enemy<TestEnemyAttr>(id, code, {
+        hp: 10,
+        atk: 2,
+        def: 0
+    });
+}
+
+interface ContextFixture {
+    /** 被测怪物上下文 */
+    context: InstanceType<TestModules['EnemyContext']>;
+    /** 可修改勇士属性 */
+    hero: InstanceType<TestModules['HeroAttribute']>;
+}
+
+/**
+ * 创建怪物上下文测试夹具，尺寸默认按 4x3 初始化
+ * @param width 上下文宽度
+ * @param height 上下文高度
+ */
+function createContext(width: number = 4, height: number = 3): ContextFixture {
+    const state = {} as IStateBase;
+    const context = new modules.EnemyContext<TestEnemyAttr, TestHeroAttr>(
+        state
+    );
+    context.resize(width, height);
+    const hero = new modules.HeroAttribute<TestHeroAttr>({
+        hp: 100,
+        atk: 0,
+        def: 0
+    });
+    return { context, hero };
+}
+
+describe('EnemyContext registry', () => {
+    // 验证注册怪物后可按定位符、坐标与计算后怪物反查
+    it('registers an enemy and resolves it from locator, point and computed', () => {
+        const fixture = createContext();
+        const enemy = createEnemy('e1', 1);
+
+        fixture.context.setEnemyAt({ x: 1, y: 0 }, enemy);
+        const view = fixture.context.getEnemyByLocator({ x: 1, y: 0 });
+
+        expect(view).not.toBeNull();
+        expect(fixture.context.getEnemyByLoc(1, 0)).toBe(view);
+        expect(fixture.context.getEnemyLocatorByView(view!)).toEqual({
+            x: 1,
+            y: 0
+        });
+        expect(fixture.context.getEnemyLocator(enemy)).toEqual({ x: 1, y: 0 });
+        expect(fixture.context.getViewByComputed(view!.getComputedEnemy())).toBe(
+            view
+        );
+    });
+
+    // 验证未知定位符、未知坐标与未知怪物对象均返回 null
+    it('returns null for unknown lookups', () => {
+        const fixture = createContext();
+        const other = createEnemy('other', 2);
+
+        expect(fixture.context.getEnemyByLocator({ x: 3, y: 2 })).toBeNull();
+        expect(fixture.context.getEnemyByLoc(3, 2)).toBeNull();
+        expect(fixture.context.getViewByComputed(other)).toBeNull();
+        expect(fixture.context.getEnemyLocator(other)).toBeNull();
+    });
+
+    // 验证同一坐标重复注册会替换原有怪物及其映射
+    it('replaces the enemy registered at the same point', () => {
+        const fixture = createContext();
+        const first = createEnemy('first', 1);
+        const second = createEnemy('second', 2);
+
+        fixture.context.setEnemyAt({ x: 0, y: 0 }, first);
+        fixture.context.setEnemyAt({ x: 0, y: 0 }, second);
+
+        expect(fixture.context.getEnemyLocator(first)).toBeNull();
+        expect(fixture.context.getEnemyLocator(second)).toEqual({ x: 0, y: 0 });
+    });
+
+    // 验证删除怪物会同时移除视图与定位符映射
+    it('removes view and locator mappings when deleting an enemy', () => {
+        const fixture = createContext();
+        const enemy = createEnemy('e1', 1);
+        fixture.context.setEnemyAt({ x: 1, y: 0 }, enemy);
+        const view = fixture.context.getEnemyByLocator({ x: 1, y: 0 })!;
+        const computed = view.getComputedEnemy();
+
+        fixture.context.deleteEnemy({ x: 1, y: 0 });
+
+        expect(fixture.context.getEnemyByLocator({ x: 1, y: 0 })).toBeNull();
+        expect(fixture.context.getEnemyLocatorByView(view)).toBeNull();
+        expect(fixture.context.getEnemyLocator(enemy)).toBeNull();
+        expect(fixture.context.getViewByComputed(computed)).toBeNull();
+    });
+
+    // 验证 resize 会清空怪物并更新尺寸与索引宽度
+    it('resizes by clearing enemies and updating dimensions', () => {
+        const fixture = createContext(4, 3);
+        fixture.context.setEnemyAt({ x: 1, y: 0 }, createEnemy('e1', 1));
+
+        fixture.context.resize(5, 2);
+
+        expect(fixture.context.width).toBe(5);
+        expect(fixture.context.height).toBe(2);
+        expect(fixture.context.indexer.locToIndex(3, 1)).toBe(8);
+        expect(fixture.context.getEnemyByLocator({ x: 1, y: 0 })).toBeNull();
+    });
+
+    // 验证 scanRange 与 iterateEnemy 会遍历全部已注册怪物
+    it('scans and iterates all registered enemies', () => {
+        const fixture = createContext();
+        fixture.context.setEnemyAt({ x: 0, y: 0 }, createEnemy('first', 1));
+        fixture.context.setEnemyAt({ x: 2, y: 1 }, createEnemy('second', 2));
+        const range = {
+            bindHost: () => {},
+            autoDetect: (list: Set<number>) => [...list]
+        };
+
+        const scanned = [...fixture.context.scanRange(range as never, 0)];
+        const iterated = [...fixture.context.iterateEnemy()];
+
+        expect(scanned).toHaveLength(2);
+        expect(iterated).toHaveLength(2);
+        expect(iterated.map(([locator]) => locator)).toEqual([
+            { x: 0, y: 0 },
+            { x: 2, y: 1 }
+        ]);
+    });
+
+    // 验证绑定与解绑勇士对象会同步更新查询结果
+    it('binds and clears the bound hero', () => {
+        const fixture = createContext();
+
+        fixture.context.bindHero(fixture.hero);
+        expect(fixture.context.getBindedHero()).toBe(fixture.hero);
+
+        fixture.context.bindHero(null);
+        expect(fixture.context.getBindedHero()).toBeNull();
+    });
+});
+
+describe('EnemyContext effect registries', () => {
+    // 验证注册的最终效果会在构建时执行，注销后不再执行
+    it('runs registered final effects until they are unregistered', () => {
+        const fixture = createContext();
+        fixture.context.bindHero(fixture.hero);
+        fixture.context.setEnemyAt({ x: 0, y: 0 }, createEnemy('e1', 1));
+        const applied: number[] = [];
+        const effect: IEnemyFinalEffect<TestEnemyAttr, TestHeroAttr> = {
+            priority: 1,
+            apply: () => {
+                applied.push(1);
+            }
+        };
+
+        fixture.context.registerFinalEffect(effect);
+        fixture.context.buildup();
+        expect(applied).toHaveLength(1);
+
+        fixture.context.unregisterFinalEffect(effect);
+        fixture.context.buildup();
+        expect(applied).toHaveLength(1);
+    });
+
+    // 验证注册的常规查询效果会按特殊属性代码执行，注销后不再执行
+    it('runs common query effects for matching specials until unregistered', () => {
+        const fixture = createContext();
+        fixture.context.bindHero(fixture.hero);
+        const enemy = createEnemy('e1', 1);
+        enemy.addSpecial(createSpecial(20) as never);
+        fixture.context.setEnemyAt({ x: 0, y: 0 }, enemy);
+        const queried: number[] = [];
+        const effect: IEnemyCommonQueryEffect<TestEnemyAttr, TestHeroAttr> = {
+            priority: 1,
+            apply: () => {
+                queried.push(1);
+            }
+        };
+
+        fixture.context.registerCommonQueryEffect(20, effect);
+        fixture.context.buildup();
+        expect(queried).toHaveLength(1);
+
+        fixture.context.unregisterCommonQueryEffect(20, effect);
+        fixture.context.buildup();
+        expect(queried).toHaveLength(1);
+    });
+
+    // 验证注册的特殊查询效果会在构建时构造修饰器，注销后不再构造
+    it('builds special query modifiers until unregistered', () => {
+        const fixture = createContext();
+        fixture.context.bindHero(fixture.hero);
+        fixture.context.setEnemyAt({ x: 0, y: 0 }, createEnemy('e1', 1));
+        const forCalls: number[] = [];
+        const modifier = {
+            add: () => [],
+            delete: () => [],
+            modify: () => false,
+            shouldQuery: () => false
+        };
+        const effect: IEnemySpecialQueryEffect<TestEnemyAttr, TestHeroAttr> = {
+            priority: 5,
+            for: () => {
+                forCalls.push(1);
+                return modifier;
+            }
+        };
+
+        fixture.context.registerSpecialQueryEffect(effect);
+        fixture.context.buildup();
+        expect(forCalls).toHaveLength(1);
+
+        fixture.context.unregisterSpecialQueryEffect(effect);
+        fixture.context.buildup();
+        expect(forCalls).toHaveLength(1);
+    });
+
+    // 验证注册的光环转换器会参与特殊属性转换，注销后不再参与
+    it('consults aura converters until they are unregistered', () => {
+        const fixture = createContext();
+        fixture.context.bindHero(fixture.hero);
+        const enemy = createEnemy('e1', 1);
+        enemy.addSpecial(createSpecial(20) as never);
+        fixture.context.setEnemyAt({ x: 0, y: 0 }, enemy);
+        const consulted: number[] = [];
+        const converter: IAuraConverter<TestEnemyAttr, TestHeroAttr> = {
+            shouldConvert: () => {
+                consulted.push(1);
+                return false;
+            },
+            convert: () => null as never
+        };
+
+        fixture.context.registerAuraConverter(converter);
+        fixture.context.buildup();
+        expect(consulted).toHaveLength(1);
+
+        fixture.context.unregisterAuraConverter(converter);
+        fixture.context.buildup();
+        expect(consulted).toHaveLength(1);
+    });
+});
diff --git a/packages-user/data-system/src/combat/mapDamage.test.ts b/packages-user/data-system/src/combat/mapDamage.test.ts
new file mode 100644
index 0000000..a78654a
--- /dev/null
+++ b/packages-user/data-system/src/combat/mapDamage.test.ts
@@ -0,0 +1,440 @@
+// 测试地图伤害：无来源伤害增删、有来源转换与合并、告警码 102/103/104、分离伤害合并与 deleteEnemy
+import { beforeAll, describe, expect, it, vi } from 'vitest';
+import {
+    type IRange,
+    type ITileLocator,
+    type IRangeHost
+} from '@motajs/common';
+import { type IEnemy, type IStateBase } from '@user/data-base';
+import {
+    type IEnemyContext,
+    type IEnemyView,
+    type IMapDamageConverter,
+    type IMapDamageInfo,
+    type IMapDamageReducer,
+    type IMapDamageView
+} from './types';
+
+vi.hoisted(() => {
+    vi.stubGlobal('main', { replayChecking: true });
+    vi.stubGlobal('location', { origin: 'http://localhost' });
+    Map.prototype.getOrInsertComputed ??= function <K, V>(
+        this: Map<K, V>,
+        key: K,
+        callback: (key: K) => V
+    ): V {
+        const existing = this.get(key);
+        if (existing !== undefined) return existing;
+        const value = callback(key);
+        this.set(key, value);
+        return value;
+    };
+    Map.prototype.getOrInsert ??= function <K, V>(
+        this: Map<K, V>,
+        key: K,
+        defaultValue: V
+    ): V {
+        const existing = this.get(key);
+        if (existing !== undefined) return existing;
+        this.set(key, defaultValue);
+        return defaultValue;
+    };
+});
+
+interface TestEnemyAttr {
+    /** 怪物生命值 */
+    hp: number;
+    /** 怪物攻击力 */
+    atk: number;
+    /** 怪物防御力 */
+    def: number;
+}
+
+interface TestHeroAttr {
+    /** 勇士生命值 */
+    hp: number;
+    /** 勇士攻击力 */
+    atk: number;
+    /** 勇士防御力 */
+    def: number;
+}
+
+interface TestModules {
+    MapDamage: typeof import('./mapDamage').MapDamage;
+    MapLocIndexer: typeof import('@user/data-common').MapLocIndexer;
+    HeroAttribute: typeof import('@user/data-base').HeroAttribute;
+    Enemy: typeof import('@user/data-base').Enemy;
+    logger: typeof import('@motajs/common').logger;
+}
+
+let modules: TestModules;
+
+beforeAll(async () => {
+    vi.stubGlobal('main', { replayChecking: true });
+    vi.stubGlobal('location', { origin: 'http://localhost' });
+    const mapDamageModule = await import('./mapDamage');
+    const commonModule = await import('@user/data-common');
+    const motaModule = await import('@motajs/common');
+    const baseModule = await import('@user/data-base');
+    modules = {
+        MapDamage: mapDamageModule.MapDamage,
+        MapLocIndexer: commonModule.MapLocIndexer,
+        HeroAttribute: baseModule.HeroAttribute,
+        Enemy: baseModule.Enemy,
+        logger: motaModule.logger
+    };
+});
+
+/**
+ * 构造一条地图伤害信息
+ * @param damage 伤害值
+ */
+function createInfo(damage: number): IMapDamageInfo {
+    return {
+        damage,
+        type: 0,
+        extra: { catch: new Set(), repulse: new Set() }
+    };
+}
+
+interface IFakeRange {
+    /**
+     * 绑定宿主对象
+     * @param host 宿主对象
+     */
+    bindHost(host: IRangeHost): void;
+
+    /**
+     * 迭代范围内的坐标索引
+     * @param param 范围参数
+     */
+    iterateLoc(param: number): Iterable<number>;
+}
+
+/**
+ * 只覆盖固定坐标索引集合的测试范围，用于驱动有来源伤害转换
+ */
+class FakeRange implements IFakeRange {
+    /** 该范围覆盖的坐标索引 */
+    readonly indexes: number[];
+
+    constructor(indexes: number[]) {
+        this.indexes = indexes;
+    }
+
+    bindHost(_host: IRangeHost): void {}
+
+    *iterateLoc(): Iterable<number> {
+        yield* this.indexes;
+    }
+}
+
+/**
+ * 固定返回一条地图伤害的测试视图
+ */
+class FakeView implements IMapDamageView<number> {
+    /** 该视图产生的伤害值 */
+    readonly value: number;
+    /** 该视图影响的范围 */
+    readonly range: FakeRange;
+
+    constructor(value: number, indexes: number[]) {
+        this.value = value;
+        this.range = new FakeRange(indexes);
+    }
+
+    getRange(): IRange<number> {
+        return this.range as never;
+    }
+
+    getRangeParam(): number {
+        return 0;
+    }
+
+    getDamageAt(_locator: ITileLocator): Readonly<IMapDamageInfo> | null {
+        return createInfo(this.value);
+    }
+
+    getDamageWithoutCheck(
+        _locator: ITileLocator
+    ): Readonly<IMapDamageInfo> | null {
+        return createInfo(this.value);
+    }
+}
+
+/**
+ * 固定输出伤害视图列表的测试转换器
+ */
+class FakeConverter
+    implements IMapDamageConverter<TestEnemyAttr, TestHeroAttr>
+{
+    /** 转换输出的伤害视图 */
+    readonly views: IMapDamageView<number>[];
+
+    constructor(views: IMapDamageView<number>[]) {
+        this.views = views;
+    }
+
+    convert(): IMapDamageView<number>[] {
+        return this.views;
+    }
+}
+
+/**
+ * 求和式测试合并器，并记录调用次数
+ */
+class FakeReducer implements IMapDamageReducer {
+    /** reduce 调用次数 */
+    calls: number = 0;
+
+    reduce(
+        info: Iterable<Readonly<IMapDamageInfo>>
+    ): Readonly<IMapDamageInfo> {
+        this.calls++;
+        let damage = 0;
+        for (const item of info) {
+            damage += item.damage;
+        }
+        return createInfo(damage);
+    }
+}
+
+interface MapDamageFixture {
+    /** 被测地图伤害对象 */
+    damage: InstanceType<TestModules['MapDamage']>;
+    /** 怪物上下文假对象 */
+    context: IEnemyContext<TestEnemyAttr, TestHeroAttr>;
+    /** 测试转换器 */
+    converter: FakeConverter;
+    /** 测试合并器 */
+    reducer: FakeReducer;
+    /** 已注册的怪物视图 */
+    view: IEnemyView<TestEnemyAttr>;
+    /** 转换出的伤害视图 */
+    damageView: FakeView;
+    /** 已注册怪物的位置 */
+    locator: ITileLocator;
+    /** 可修改原始怪物 */
+    origin: IEnemy<TestEnemyAttr>;
+}
+
+/**
+ * 创建地图伤害测试夹具，怪物上下文只实现被测路径所需的最小接口
+ */
+function createFixture(): MapDamageFixture {
+    const state = {} as IStateBase;
+    const indexer = new modules.MapLocIndexer();
+    indexer.setWidth(4);
+    const hero = new modules.HeroAttribute<TestHeroAttr>({
+        hp: 100,
+        atk: 0,
+        def: 0
+    });
+    const origin = new modules.Enemy<TestEnemyAttr>('enemy-1', 1, {
+        hp: 10,
+        atk: 2,
+        def: 0
+    });
+    const locator: ITileLocator = { x: 1, y: 0 };
+    const enemies = new Map<IEnemyView<TestEnemyAttr>, ITileLocator>();
+    const view: IEnemyView<TestEnemyAttr> = {
+        context: {} as never,
+        reset: () => {},
+        getBaseEnemy: () => origin,
+        getComputedEnemy: () => origin,
+        getModifiableEnemy: () => origin,
+        markDirty: () => {}
+    };
+    enemies.set(view, locator);
+    const damageView = new FakeView(
+        7,
+        [indexer.locToIndex(locator.x, locator.y)]
+    );
+    const context = {
+        state,
+        indexer,
+        width: 4,
+        height: 3,
+        getBindedHero: () => hero,
+        getEnemyLocatorByView: (target: IEnemyView<TestEnemyAttr>) =>
+            enemies.get(target) ?? null,
+        getEnemyLocator: (target: IEnemy<TestEnemyAttr>) =>
+            target === origin ? locator : null,
+        getViewByComputed: () => view,
+        *iterateEnemy(): Iterable<
+            [ITileLocator, IEnemyView<TestEnemyAttr>]
+        > {
+            for (const [target, targetLocator] of enemies) {
+                yield [targetLocator, target];
+            }
+        }
+    } as never;
+    const damage = new modules.MapDamage<TestEnemyAttr, TestHeroAttr>(
+        context
+    );
+    return {
+        damage,
+        context,
+        converter: new FakeConverter([damageView]),
+        reducer: new FakeReducer(),
+        view,
+        damageView,
+        locator,
+        origin
+    };
+}
+
+/**
+ * 创建一个未注册到夹具中的怪物视图，用于验证未知定位符路径
+ */
+function createUnknownView(fixture: MapDamageFixture): IEnemyView<TestEnemyAttr> {
+    return {
+        context: {} as never,
+        reset: () => {},
+        getBaseEnemy: () => fixture.origin,
+        getComputedEnemy: () => fixture.origin,
+        getModifiableEnemy: () => fixture.origin,
+        markDirty: () => {}
+    };
+}
+
+describe('MapDamage sourceless damage', () => {
+    // 验证添加与删除无来源地图伤害会同步更新分离伤害列表
+    it('adds and deletes sourceless damage at a point', () => {
+        const fixture = createFixture();
+        fixture.damage.useReducer(fixture.reducer);
+        const info = createInfo(5);
+
+        fixture.damage.addMapDamage({ x: 0, y: 0 }, info);
+        expect(
+            [...fixture.damage.getSeparatedDamage({ x: 0, y: 0 })]
+        ).toContain(info);
+
+        fixture.damage.deleteMapDamage({ x: 0, y: 0 }, info);
+        expect(
+            [...fixture.damage.getSeparatedDamage({ x: 0, y: 0 })]
+        ).toHaveLength(0);
+    });
+
+    // 验证删除不存在的无来源伤害是安全操作
+    it('ignores deleting sourceless damage that was never added', () => {
+        const fixture = createFixture();
+        fixture.damage.useReducer(fixture.reducer);
+
+        fixture.damage.deleteMapDamage({ x: 3, y: 2 }, createInfo(5));
+
+        expect(
+            [...fixture.damage.getSeparatedDamage({ x: 3, y: 2 })]
+        ).toHaveLength(0);
+    });
+});
+
+describe('MapDamage sourced conversion and reduction', () => {
+    // 验证转换出的有来源伤害可被分离查询与合并查询获取
+    it('converts sourced damage and reduces it through the reducer', () => {
+        const fixture = createFixture();
+        fixture.damage.useReducer(fixture.reducer);
+        fixture.damage.useConverter(fixture.converter);
+
+        const separated = [
+            ...fixture.damage.getSeparatedDamage(fixture.locator)
+        ];
+        const reduced = fixture.damage.getReducedDamage(fixture.locator);
+
+        expect(separated).toHaveLength(1);
+        expect(separated[0].damage).toBe(7);
+        expect(reduced?.damage).toBe(7);
+        expect(fixture.reducer.calls).toBe(1);
+    });
+
+    // 验证同一坐标上无来源与有来源伤害会被合并查询同时返回
+    it('unions sourceless and sourced damage at the same point', () => {
+        const fixture = createFixture();
+        fixture.damage.useReducer(fixture.reducer);
+        fixture.damage.useConverter(fixture.converter);
+        fixture.damage.addMapDamage(fixture.locator, createInfo(3));
+
+        expect(
+            [...fixture.damage.getSeparatedDamage(fixture.locator)]
+        ).toHaveLength(2);
+
+        const reduced = fixture.damage.getReducedDamage(fixture.locator);
+        expect(reduced?.damage).toBe(10);
+    });
+
+    // 验证合并结果命中缓存，markDirty 后按新数据重新合并
+    it('caches the reduced damage until the point is marked dirty', () => {
+        const fixture = createFixture();
+        fixture.damage.useReducer(fixture.reducer);
+        fixture.damage.addMapDamage({ x: 0, y: 0 }, createInfo(3));
+
+        const first = fixture.damage.getReducedDamage({ x: 0, y: 0 });
+        const second = fixture.damage.getReducedDamage({ x: 0, y: 0 });
+
+        expect(second).toBe(first);
+        expect(fixture.reducer.calls).toBe(1);
+
+        fixture.damage.markDirty({ x: 0, y: 0 });
+        const third = fixture.damage.getReducedDamage({ x: 0, y: 0 });
+
+        expect(third).not.toBe(first);
+        expect(third?.damage).toBe(3);
+        expect(fixture.reducer.calls).toBe(2);
+    });
+
+    // 验证没有任何分离伤害时合并查询返回 null
+    it('returns null when a point has no separated damage', () => {
+        const fixture = createFixture();
+        fixture.damage.useReducer(fixture.reducer);
+
+        expect(fixture.damage.getReducedDamage({ x: 3, y: 2 })).toBeNull();
+    });
+
+    // 验证未设置转换器时全量刷新告警 102 并直接返回
+    it('warns 102 when the converter is missing during a full refresh', () => {
+        const fixture = createFixture();
+
+        const result = modules.logger.catch(() => fixture.damage.refreshAll());
+
+        expect(result.info.map(v => v.code)).toContain(102);
+    });
+
+    // 验证未设置合并器时合并查询告警 103 并返回 null
+    it('warns 103 when the reducer is missing', () => {
+        const fixture = createFixture();
+
+        const result = modules.logger.catch(() =>
+            fixture.damage.getReducedDamage({ x: 0, y: 0 })
+        );
+
+        expect(result.ret).toBeNull();
+        expect(result.info.map(v => v.code)).toContain(103);
+    });
+
+    // 验证既无伤害来源又无定位符时标记怪物脏会告警 104
+    it('warns 104 when marking an unregistered enemy dirty', () => {
+        const fixture = createFixture();
+
+        const result = modules.logger.catch(() =>
+            fixture.damage.markEnemyDirty(createUnknownView(fixture))
+        );
+
+        expect(result.info.map(v => v.code)).toContain(104);
+    });
+
+    // 疑似 bug：deleteEnemy 应移除该怪物带来的有来源地图伤害，详见 06-TEST-FINDINGS.md #06-01-2，修复后取消 skip
+    it.skip('removes enemy-sourced damage when the enemy is deleted', () => {
+        const fixture = createFixture();
+        fixture.damage.useReducer(fixture.reducer);
+        fixture.damage.useConverter(fixture.converter);
+        expect(
+            [...fixture.damage.getSeparatedDamage(fixture.locator)]
+        ).toHaveLength(1);
+
+        fixture.damage.deleteEnemy(fixture.view);
+
+        expect(
+            [...fixture.damage.getSeparatedDamage(fixture.locator)]
+        ).toHaveLength(0);
+    });
+});