diff --git a/packages/types/package.json b/packages/types/package.json
index 7cccd11..f5f7a4f 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -14,12 +14,14 @@
     "scripts": {
         "build": "tsc --project tsconfig.build.json",
         "typecheck": "tsc --noEmit",
-        "lint": "biome check ."
+        "lint": "biome check .",
+        "test": "vitest run"
     },
     "dependencies": {
         "zod": "^4.6.5"
     },
     "devDependencies": {
-        "typescript": "^7.0.2"
+        "typescript": "^7.0.2",
+        "vitest": "^5.0.1"
     }
 }
diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
index ec152b6..9ffdd71 100644
--- a/packages/types/src/index.ts
+++ b/packages/types/src/index.ts
@@ -1,2 +1,3 @@
 /** `@app/types` 入口：统一导出 Zod 入参 schema 与跨层共享 DTO。 */
 export * from "./schemas.js";
+export * from "./media-schemas.js";
diff --git a/packages/types/src/media-schemas.test.ts b/packages/types/src/media-schemas.test.ts
new file mode 100644
index 0000000..8841623
--- /dev/null
+++ b/packages/types/src/media-schemas.test.ts
@@ -0,0 +1,40 @@
+import { describe, expect, it } from "vitest";
+import { mountSchemas, playbackSchemas, scrapeSchemas } from "./media-schemas.js";
+
+describe("mountSchemas.create", () => {
+    it("拒绝缺 baseUrl", () => {
+        const r = mountSchemas.create.safeParse({ name: "A", type: "webdav" });
+        expect(r.success).toBe(false);
+    });
+    it("接受合法 WebDAV", () => {
+        const r = mountSchemas.create.safeParse({
+            name: "OpenList",
+            type: "webdav",
+            baseUrl: "https://dav.example.com/dav",
+            username: "u",
+            password: "p",
+            rootPath: "/anime",
+        });
+        expect(r.success).toBe(true);
+    });
+});
+
+describe("scrapeSchemas.bind", () => {
+    it("需要 mediaItemId 与 bangumiId", () => {
+        const r = scrapeSchemas.bind.safeParse({ mediaItemId: "m1", bangumiId: 123 });
+        expect(r.success).toBe(true);
+        expect(scrapeSchemas.bind.safeParse({ mediaItemId: "m1" }).success).toBe(false);
+    });
+});
+
+describe("playbackSchemas.report", () => {
+    it("positionMs ≥ 0", () => {
+        expect(
+            playbackSchemas.report.safeParse({
+                mediaItemId: "x",
+                positionMs: -1,
+                durationMs: 1000,
+            }).success,
+        ).toBe(false);
+    });
+});
diff --git a/packages/types/src/media-schemas.ts b/packages/types/src/media-schemas.ts
new file mode 100644
index 0000000..fd6c664
--- /dev/null
+++ b/packages/types/src/media-schemas.ts
@@ -0,0 +1,96 @@
+import { z } from "zod";
+
+const id = z.string().min(1);
+
+export const mountSchemas = {
+    create: z.object({
+        name: z.string().min(1, "名称不能为空").max(100),
+        type: z.literal("webdav"),
+        baseUrl: z.string().url("需要合法 URL"),
+        username: z.string().max(200).optional(),
+        password: z.string().max(500).optional(),
+        rootPath: z.string().max(1000).default("/"),
+        enabled: z.boolean().default(true),
+    }),
+    update: z.object({
+        id,
+        name: z.string().min(1).max(100).optional(),
+        baseUrl: z.string().url().optional(),
+        username: z.string().max(200).optional(),
+        password: z.string().max(500).optional(),
+        rootPath: z.string().max(1000).optional(),
+        enabled: z.boolean().optional(),
+    }),
+    delete: z.object({ id }),
+    list: z.object({}).optional(),
+    test: z.object({
+        baseUrl: z.string().url(),
+        username: z.string().max(200).optional(),
+        password: z.string().max(500).optional(),
+        rootPath: z.string().max(1000).default("/"),
+    }),
+    listDir: z.object({
+        mountId: id,
+        path: z.string().max(2000).default("/"),
+    }),
+};
+
+export const librarySchemas = {
+    list: z.object({
+        limit: z.number().min(1).max(100).default(24),
+        offset: z.number().min(0).default(0),
+        scrapeStatus: z.enum(["ok", "unmatched", "failed", "pending"]).optional(),
+        q: z.string().max(200).optional(),
+    }),
+    scan: z.object({ mountId: id }),
+    get: z.object({ id }),
+};
+
+export const playbackSchemas = {
+    report: z.object({
+        mediaItemId: id,
+        positionMs: z.number().min(0),
+        durationMs: z.number().min(0),
+    }),
+    get: z.object({ mediaItemId: id }),
+};
+
+export const scrapeSchemas = {
+    search: z.object({
+        q: z.string().min(1, "请输入搜索词").max(200),
+    }),
+    bind: z.object({
+        mediaItemId: id,
+        bangumiId: z.number().int().positive(),
+    }),
+    rescrape: z.object({ mediaItemId: id }),
+};
+
+export const danmakuSchemas = {
+    /** 开放网络：按媒体文件取弹幕 */
+    fetch: z.object({ mediaItemId: id }),
+    /** 本地 XML：仅登记导入元数据（正文在客户端喂给播放器） */
+    importMeta: z.object({
+        mediaItemId: id,
+        byteSize: z.number().min(0).max(20_000_000),
+    }),
+    settings: z.object({
+        enabled: z.boolean().default(true),
+        opacity: z.number().min(0).max(1).default(0.8),
+        density: z.number().min(0.1).max(3).default(1),
+    }),
+    getSettings: z.object({}).optional(),
+};
+
+export type MountCreateInput = z.infer<typeof mountSchemas.create>;
+export type MountListDirInput = z.infer<typeof mountSchemas.listDir>;
+export type LibraryListInput = z.infer<typeof librarySchemas.list>;
+export type PlaybackReportInput = z.infer<typeof playbackSchemas.report>;
+export type ScrapeSearchInput = z.infer<typeof scrapeSchemas.search>;
+export type DanmakuFetchOutput = {
+    ok: boolean;
+    source: "open-network" | "cache" | "none";
+    /** Bilibili/弹弹play 兼容 XML 字符串；无弹幕则为 "" */
+    xml: string;
+    message?: string;
+};
diff --git a/yarn.lock b/yarn.lock
index a5a9247..48870c1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -114,6 +114,7 @@ __metadata:
   resolution: "@app/types@workspace:packages/types"
   dependencies:
     typescript: "npm:^7.0.2"
+    vitest: "npm:^5.0.1"
     zod: "npm:^4.6.5"
   languageName: unknown
   linkType: soft
@@ -2231,7 +2232,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@jridgewell/trace-mapping@npm:^0.3.24, @jridgewell/trace-mapping@npm:^0.3.28":
+"@jridgewell/trace-mapping@npm:0.3.31, @jridgewell/trace-mapping@npm:^0.3.24, @jridgewell/trace-mapping@npm:^0.3.28":
   version: 0.3.31
   resolution: "@jridgewell/trace-mapping@npm:0.3.31"
   dependencies:
@@ -4184,6 +4185,26 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@vitest/mocker@npm:5.0.1":
+  version: 5.0.1
+  resolution: "@vitest/mocker@npm:5.0.1"
+  dependencies:
+    "@jridgewell/trace-mapping": "npm:0.3.31"
+    "@vitest/spy": "npm:5.0.1"
+    estree-walker: "npm:^3.0.3"
+    magic-string: "npm:^1.2.3"
+  peerDependencies:
+    msw: ^2.4.9
+    vite: ^6.0.0 || ^7.0.0 || ^8.0.0
+  peerDependenciesMeta:
+    msw:
+      optional: true
+    vite:
+      optional: true
+  checksum: 10c0/21f0456c7452d7f65449fc0f43f1ccbf222d353eb11fcf511b78b5b8c4ae38ac9ca286b56936d91856c483575cd86688f1b6dc00f02ffd85ed1108b12cf219cd
+  languageName: node
+  linkType: hard
+
 "@vitest/pretty-format@npm:3.2.4":
   version: 3.2.4
   resolution: "@vitest/pretty-format@npm:3.2.4"
@@ -4202,6 +4223,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@vitest/spy@npm:5.0.1":
+  version: 5.0.1
+  resolution: "@vitest/spy@npm:5.0.1"
+  checksum: 10c0/88838f6dda5237f0a40c365598ce7112922611e9157b390ca90c11760ae8697c37214f621263bfbe12e2bd27234df577cbbecc93de003ced366d23be24383c37
+  languageName: node
+  linkType: hard
+
 "@vitest/utils@npm:3.2.4":
   version: 3.2.4
   resolution: "@vitest/utils@npm:3.2.4"
@@ -4668,6 +4696,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"chai@npm:^6.2.2":
+  version: 6.2.2
+  resolution: "chai@npm:6.2.2"
+  checksum: 10c0/e6c69e5f0c11dffe6ea13d0290936ebb68fcc1ad688b8e952e131df6a6d5797d5e860bc55cef1aca2e950c3e1f96daf79e9d5a70fb7dbaab4e46355e2635ed53
+  languageName: node
+  linkType: hard
+
 "character-entities-html4@npm:^2.0.0":
   version: 2.1.0
   resolution: "character-entities-html4@npm:2.1.0"
@@ -5350,7 +5385,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"es-module-lexer@npm:^2.0.0":
+"es-module-lexer@npm:^2.0.0, es-module-lexer@npm:^2.3.2":
   version: 2.3.2
   resolution: "es-module-lexer@npm:2.3.2"
   checksum: 10c0/5e7389424c43478439f12f9a6aca1750f6f99afa384fc3de329f4a45f152ab156671055008adaafc74960877abf8cc338aeebf6bed8c21297b146fd6eb7a22f8
@@ -5778,6 +5813,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"expect-type@npm:^1.4.0":
+  version: 1.4.0
+  resolution: "expect-type@npm:1.4.0"
+  checksum: 10c0/d40d76b8570695d36587beb3cc28494da2ca3ec8f04e67f5622ed2d372d850e401a9adef19c6835e1a8173903f157c79540b34c7b3fbd7cd8ce726cc903c57b7
+  languageName: node
+  linkType: hard
+
 "exponential-backoff@npm:^3.1.1":
   version: 3.1.3
   resolution: "exponential-backoff@npm:3.1.3"
@@ -6849,6 +6891,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"magic-string@npm:^1.2.3":
+  version: 1.4.2
+  resolution: "magic-string@npm:1.4.2"
+  dependencies:
+    "@jridgewell/sourcemap-codec": "npm:^1.6.0"
+  checksum: 10c0/d3e222c202f99ec4861e7316f473f9b1cfe335ebdf38d4f67335f842f3fe248f01ee00fd3e1a8206bcbe9855e0c41515d7c210300d8fcf6eefbb982d79e423c6
+  languageName: node
+  linkType: hard
+
 "magicast@npm:^0.5.2":
   version: 0.5.5
   resolution: "magicast@npm:0.5.5"
@@ -7188,7 +7239,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"obug@npm:^2.1.1":
+"obug@npm:^2.1.1, obug@npm:^2.1.4":
   version: 2.2.1
   resolution: "obug@npm:2.2.1"
   checksum: 10c0/8a7c001847d880fa6ba83c7bbee6a80fd271ee628439cd508c8647d53b217abb1759e2d5e4aaeb09a35d0a274bdb225a0a5a78eded3213d63e656153cf411b63
@@ -8128,6 +8179,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"siginfo@npm:^2.0.0":
+  version: 2.0.0
+  resolution: "siginfo@npm:2.0.0"
+  checksum: 10c0/3def8f8e516fbb34cb6ae415b07ccc5d9c018d85b4b8611e3dc6f8be6d1899f693a4382913c9ed51a06babb5201639d76453ab297d1c54a456544acf5c892e34
+  languageName: node
+  linkType: hard
+
 "signal-exit@npm:^4.0.1":
   version: 4.1.0
   resolution: "signal-exit@npm:4.1.0"
@@ -8208,6 +8266,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"stackback@npm:0.0.2":
+  version: 0.0.2
+  resolution: "stackback@npm:0.0.2"
+  checksum: 10c0/89a1416668f950236dd5ac9f9a6b2588e1b9b62b1b6ad8dff1bfc5d1a15dbf0aafc9b52d2226d00c28dffff212da464eaeebfc6b7578b9d180cef3e3782c5983
+  languageName: node
+  linkType: hard
+
 "statuses@npm:^2.0.2, statuses@npm:~2.0.2":
   version: 2.0.2
   resolution: "statuses@npm:2.0.2"
@@ -8215,6 +8280,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"std-env@npm:^4.2.0":
+  version: 4.2.0
+  resolution: "std-env@npm:4.2.0"
+  checksum: 10c0/40ac525ce7b7c556abc332a7376f14356eeb1a7f17f6ff9a003eb9f52326ff1f3745d3e1b43452675b1ec6fcc319f1b1d6f3b0d386cf3f91058479ad883cff69
+  languageName: node
+  linkType: hard
+
 "storybook@npm:^9.1.10":
   version: 9.1.20
   resolution: "storybook@npm:9.1.20"
@@ -8408,6 +8480,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"tinybench@npm:6.1.4":
+  version: 6.1.4
+  resolution: "tinybench@npm:6.1.4"
+  checksum: 10c0/7a815318a02270a98247298ddd289b75c841725606c977f0b74749bc5ec811a44998267ccb60bd3deb23b551dbfaf4d979eb08e9b04fbc87ff571f9b39cc61c3
+  languageName: node
+  linkType: hard
+
 "tinyclip@npm:^0.1.12":
   version: 0.1.15
   resolution: "tinyclip@npm:0.1.15"
@@ -8415,6 +8494,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"tinyexec@npm:1.3.0":
+  version: 1.3.0
+  resolution: "tinyexec@npm:1.3.0"
+  checksum: 10c0/e9b89f97489d2aab2cef408da279e6b32547e738d1275032ccb8fd0028a006d93eb70fc51c6cffd9fc2f5aca6c2a273d8b6f73b52d46ee5116da6b94969ef958
+  languageName: node
+  linkType: hard
+
 "tinyexec@npm:^1.0.0, tinyexec@npm:^1.0.4":
   version: 1.3.1
   resolution: "tinyexec@npm:1.3.1"
@@ -9218,6 +9304,67 @@ __metadata:
   languageName: node
   linkType: hard
 
+"vitest@npm:^5.0.1":
+  version: 5.0.1
+  resolution: "vitest@npm:5.0.1"
+  dependencies:
+    "@types/chai": "npm:^5.2.2"
+    "@vitest/mocker": "npm:5.0.1"
+    chai: "npm:^6.2.2"
+    es-module-lexer: "npm:^2.3.2"
+    expect-type: "npm:^1.4.0"
+    magic-string: "npm:^1.2.3"
+    obug: "npm:^2.1.4"
+    picomatch: "npm:^4.0.7"
+    std-env: "npm:^4.2.0"
+    tinybench: "npm:6.1.4"
+    tinyexec: "npm:1.3.0"
+    tinyglobby: "npm:^0.2.17"
+    why-is-node-running: "npm:^2.3.0"
+  peerDependencies:
+    "@edge-runtime/vm": "*"
+    "@opentelemetry/api": ^1.9.0
+    "@types/node": ^22.0.0 || >=24.0.0
+    "@vitest/browser-playwright": 5.0.1
+    "@vitest/browser-preview": 5.0.1
+    "@vitest/browser-webdriverio": ^5.0.0-beta.5 || >=5.0.0
+    "@vitest/coverage-istanbul": 5.0.1
+    "@vitest/coverage-v8": 5.0.1
+    "@vitest/ui": 5.0.1
+    happy-dom: "*"
+    jsdom: "*"
+    vite: ^6.4.0 || ^7.0.0 || ^8.0.0
+  peerDependenciesMeta:
+    "@edge-runtime/vm":
+      optional: true
+    "@opentelemetry/api":
+      optional: true
+    "@types/node":
+      optional: true
+    "@vitest/browser-playwright":
+      optional: true
+    "@vitest/browser-preview":
+      optional: true
+    "@vitest/browser-webdriverio":
+      optional: true
+    "@vitest/coverage-istanbul":
+      optional: true
+    "@vitest/coverage-v8":
+      optional: true
+    "@vitest/ui":
+      optional: true
+    happy-dom:
+      optional: true
+    jsdom:
+      optional: true
+    vite:
+      optional: false
+  bin:
+    vitest: ./vitest.mjs
+  checksum: 10c0/1b49fe8eb7274ffd43ca5a29cccbcc942cf991488020a74114f3a725a1168c549d47820715b8ed3f521a0cd9ccc0013ab9511cc6e0f8e0a5bdfb751e3ddc4d2d
+  languageName: node
+  linkType: hard
+
 "volar-service-css@npm:0.0.71":
   version: 0.0.71
   resolution: "volar-service-css@npm:0.0.71"
@@ -9496,6 +9643,18 @@ __metadata:
   languageName: node
   linkType: hard
 
+"why-is-node-running@npm:^2.3.0":
+  version: 2.3.0
+  resolution: "why-is-node-running@npm:2.3.0"
+  dependencies:
+    siginfo: "npm:^2.0.0"
+    stackback: "npm:0.0.2"
+  bin:
+    why-is-node-running: cli.js
+  checksum: 10c0/1cde0b01b827d2cf4cb11db962f3958b9175d5d9e7ac7361d1a7b0e2dc6069a263e69118bd974c4f6d0a890ef4eedfe34cf3d5167ec14203dbc9a18620537054
+  languageName: node
+  linkType: hard
+
 "wrap-ansi-cjs@npm:wrap-ansi@^7.0.0":
   version: 7.0.0
   resolution: "wrap-ansi@npm:7.0.0"