diff --git a/apps/ai-game-creator-shell/src-tauri/src/export/draft/xhs_minitool/dto.rs b/apps/ai-game-creator-shell/src-tauri/src/export/draft/xhs_minitool/dto.rs
new file mode 100644
index 000000000..43c40ccb8
--- /dev/null
+++ b/apps/ai-game-creator-shell/src-tauri/src/export/draft/xhs_minitool/dto.rs
@@ -0,0 +1,54 @@
+//! 小红书小工具导出的线上形状（Rust → TS 由 ts-rs 生成，生成物不手改）。
+
+use serde::{Deserialize, Serialize};
+use ts_rs::TS;
+
+/// 平台上传表单。**不是构建输入**：zip 规范里没有任何 app 元数据，这三个值的唯一用途是让用户
+/// 复制粘贴到小红书平台的上传页。
+///
+/// `deny_unknown_fields` 是刻意的：这个文件也由 code agent 手写，字段漂移必须当场可见，不能
+/// 被静默忽略后带着半份表单继续走。
+#[derive(Clone, Debug, Default, PartialEq, Eq, Serialize, Deserialize, TS)]
+#[serde(rename_all = "camelCase", deny_unknown_fields)]
+#[ts(export, export_to = concat!(env!("CARGO_MANIFEST_DIR"), "/../src/view/project-development/export/generated/"))]
+pub(crate) struct XHSMiniToolExportForm {
+    pub(crate) name: String,
+    pub(crate) introduction: String,
+    /// 项目内相对路径。icon 文件与目标无关，多个导出目标可以共用同一个。
+    pub(crate) icon_path: String,
+}
+
+/// 表单里出错的字段。前端按它把原因挂到对应输入框，不解析文案。
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, TS)]
+#[serde(rename_all = "camelCase")]
+#[ts(export, export_to = concat!(env!("CARGO_MANIFEST_DIR"), "/../src/view/project-development/export/generated/"))]
+pub(crate) enum XHSMiniToolExportField {
+    Name,
+    Introduction,
+    IconPath,
+}
+
+/// 面板读到的现场状态。
+///
+/// 没有「产物是否已存在」：每次导出都重新构建。也没有 status / 已适配标记——「有没有脚本」
+/// 永远从 npm 包的 `package.json` 现算，不落盘。
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, TS)]
+#[serde(rename_all = "camelCase")]
+#[ts(export, export_to = concat!(env!("CARGO_MANIFEST_DIR"), "/../src/view/project-development/export/generated/"))]
+pub(crate) struct XHSMiniToolExportState {
+    pub(crate) form: XHSMiniToolExportForm,
+    /// `scripts["build:xhs-minitool"]` 是否存在。
+    pub(crate) has_script: bool,
+    /// 注册表文件的当前内容指纹。保存时原样带回做冲突判据；它不写进文件。
+    pub(crate) content_hash: String,
+}
+
+/// 一次成功导出的结果。产物路径是常量（`.export/xhs-minitool.zip`），不进 DTO。
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, TS)]
+#[serde(rename_all = "camelCase")]
+#[ts(export, export_to = concat!(env!("CARGO_MANIFEST_DIR"), "/../src/view/project-development/export/generated/"))]
+pub(crate) struct XHSMiniToolExportRunResult {
+    pub(crate) exit_code: Option<i32>,
+    /// 成功时为空；失败时是被截断的输出尾部（stdout 与 stderr 合并），够定位就行。
+    pub(crate) output_tail: String,
+}
diff --git a/apps/ai-game-creator-shell/src-tauri/src/export/draft/xhs_minitool/error.rs b/apps/ai-game-creator-shell/src-tauri/src/export/draft/xhs_minitool/error.rs
new file mode 100644
index 000000000..1505e8f16
--- /dev/null
+++ b/apps/ai-game-creator-shell/src-tauri/src/export/draft/xhs_minitool/error.rs
@@ -0,0 +1,124 @@
+//! 命令边界的 typed 失败。
+//!
+//! 变体名就是线上的分流键（`type`），前端只按它选通道与话术，**不解析任何文案**。可达集合是
+//! 固定的一张表：读注册表 → 校验表单 → 找 npm 脚本 → 跑脚本 → 查产物 → 存表单。首个错误即
+//! 返回，不留问题数组——表单一次只报一个字段，用户改完再报下一个。
+//!
+//! 形状沿用仓库既有约定：带载荷的变体是 newtype 变体持有具名结构体，ts-rs 才能生成可判别的
+//! TS 联合类型。
+
+use serde::Serialize;
+use ts_rs::TS;
+
+use super::dto::{XHSMiniToolExportField, XHSMiniToolExportForm};
+
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, TS)]
+#[serde(
+    tag = "type",
+    rename_all = "camelCase",
+    rename_all_fields = "camelCase"
+)]
+#[ts(export, export_to = concat!(env!("CARGO_MANIFEST_DIR"), "/../src/view/project-development/export/generated/"))]
+pub(crate) enum XHSMiniToolExportError {
+    /// 注册表存在但不是本目标期望的形状。fail closed：不猜测、不修补，引导重新适配。
+    RegistryMalformed(RegistryMalformed),
+    /// 表单字段不合法。只回**首个**出错字段。
+    FormInvalid(FormInvalid),
+    /// npm 包里没有 `build:xhs-minitool`；这就是「还没适配」的唯一现算判据。
+    BuildScriptMissing(BuildScriptMissing),
+    /// 保存时发现注册表被别人改过，且字段真的不同。绝不覆盖，交给用户逐字段选。
+    SaveConflict(SaveConflict),
+    /// 脚本跑完没有正常收场（非零退出或超时）。
+    CommandFailed(CommandFailed),
+    /// 脚本正常收场但产物不在。
+    ArtifactMissing(ArtifactMissing),
+    /// 项目根不可用、权限策略拒绝、脚本无法启动或其它宿主侧事实故障。
+    ExportUnavailable(ExportUnavailable),
+}
+
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, TS)]
+#[serde(rename_all = "camelCase")]
+#[ts(export, export_to = concat!(env!("CARGO_MANIFEST_DIR"), "/../src/view/project-development/export/generated/"))]
+pub(crate) struct RegistryMalformed {
+    /// 解析器原文。它是引导语，不是给前端做判断的依据。
+    pub(crate) cause: String,
+}
+
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, TS)]
+#[serde(rename_all = "camelCase")]
+#[ts(export, export_to = concat!(env!("CARGO_MANIFEST_DIR"), "/../src/view/project-development/export/generated/"))]
+pub(crate) struct FormInvalid {
+    pub(crate) field: XHSMiniToolExportField,
+    pub(crate) reason: String,
+}
+
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, TS)]
+#[serde(rename_all = "camelCase")]
+#[ts(export, export_to = concat!(env!("CARGO_MANIFEST_DIR"), "/../src/view/project-development/export/generated/"))]
+pub(crate) struct BuildScriptMissing {
+    /// 期望的脚本名（`build:xhs-minitool`）。
+    pub(crate) script: String,
+    /// 宿主找过哪些 `package.json`，让用户知道去哪看。
+    pub(crate) searched: Vec<String>,
+}
+
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, TS)]
+#[serde(rename_all = "camelCase")]
+#[ts(export, export_to = concat!(env!("CARGO_MANIFEST_DIR"), "/../src/view/project-development/export/generated/"))]
+pub(crate) struct SaveConflict {
+    /// 文件里现在是什么（字段级二选一的「文件里的」那一侧）。
+    pub(crate) current: XHSMiniToolExportForm,
+    /// 冲突时文件的指纹；用户选完之后带着它重试保存。
+    pub(crate) content_hash: String,
+}
+
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, TS)]
+#[serde(rename_all = "camelCase")]
+#[ts(export, export_to = concat!(env!("CARGO_MANIFEST_DIR"), "/../src/view/project-development/export/generated/"))]
+pub(crate) struct CommandFailed {
+    pub(crate) exit_code: Option<i32>,
+    pub(crate) output_tail: String,
+}
+
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, TS)]
+#[serde(rename_all = "camelCase")]
+#[ts(export, export_to = concat!(env!("CARGO_MANIFEST_DIR"), "/../src/view/project-development/export/generated/"))]
+pub(crate) struct ArtifactMissing {
+    /// 产物相对项目根的路径。
+    pub(crate) path: String,
+}
+
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, TS)]
+#[serde(rename_all = "camelCase")]
+#[ts(export, export_to = concat!(env!("CARGO_MANIFEST_DIR"), "/../src/view/project-development/export/generated/"))]
+pub(crate) struct ExportUnavailable {
+    pub(crate) cause: String,
+}
+
+impl XHSMiniToolExportError {
+    pub(crate) fn form_invalid(field: XHSMiniToolExportField, reason: impl Into<String>) -> Self {
+        Self::FormInvalid(FormInvalid {
+            field,
+            reason: reason.into(),
+        })
+    }
+
+    pub(crate) fn unavailable(cause: impl Into<String>) -> Self {
+        Self::ExportUnavailable(ExportUnavailable {
+            cause: cause.into(),
+        })
+    }
+}
+
+impl From<crate::export::RegistryError> for XHSMiniToolExportError {
+    fn from(error: crate::export::RegistryError) -> Self {
+        match error {
+            crate::export::RegistryError::Malformed { cause, .. } => {
+                Self::RegistryMalformed(RegistryMalformed { cause })
+            }
+            other => Self::ExportUnavailable(ExportUnavailable {
+                cause: other.to_string(),
+            }),
+        }
+    }
+}
diff --git a/apps/ai-game-creator-shell/src-tauri/src/export/draft/xhs_minitool/layout.rs b/apps/ai-game-creator-shell/src-tauri/src/export/draft/xhs_minitool/layout.rs
new file mode 100644
index 000000000..9418df540
--- /dev/null
+++ b/apps/ai-game-creator-shell/src-tauri/src/export/draft/xhs_minitool/layout.rs
@@ -0,0 +1,56 @@
+//! 小红书小工具在 `.export/` 下的固定名字与路径。
+//!
+//! 这些名字同时出现在三处：宿主、agent 写的 npm 脚本、用户手动上传的文件名。所以它们是
+//! **契约常量**，只在这里定义一次，改名字要三处一起改。
+
+use std::path::{Path, PathBuf};
+
+use crate::export::EXPORT_WORK_RELATIVE_DIR;
+
+/// 目标标识，用于文件名前缀与 prompt 上下文。
+pub(crate) const TARGET: &str = "xhs-minitool";
+
+/// npm 脚本名。冒号形式不是审美选择：既有 `command.exec` 白名单只放行 `build` 与 `build:<后缀>`。
+pub(crate) const SCRIPT_NAME: &str = "build:xhs-minitool";
+
+/// 注册表文件名（`.export/` 下）。
+pub(crate) const REGISTRY_FILE_NAME: &str = "xhs-minitool.json";
+
+/// 交付产物文件名（`.export/` 下），人工上传用。
+pub(crate) const ARTIFACT_FILE_NAME: &str = "xhs-minitool.zip";
+
+pub(crate) fn export_dir(root: &Path) -> PathBuf {
+    root.join(EXPORT_WORK_RELATIVE_DIR)
+}
+
+pub(crate) fn registry_path(root: &Path) -> PathBuf {
+    export_dir(root).join(REGISTRY_FILE_NAME)
+}
+
+pub(crate) fn artifact_path(root: &Path) -> PathBuf {
+    export_dir(root).join(ARTIFACT_FILE_NAME)
+}
+
+/// 产物相对项目根的路径。前端下载与 prompt 用的都是它。
+pub(crate) fn artifact_relative_path() -> String {
+    format!("{EXPORT_WORK_RELATIVE_DIR}/{ARTIFACT_FILE_NAME}")
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn artifact_relative_path_stays_inside_the_export_directory() {
+        assert_eq!(
+            artifact_relative_path(),
+            format!("{EXPORT_WORK_RELATIVE_DIR}/{ARTIFACT_FILE_NAME}")
+        );
+        assert_eq!(
+            registry_path(Path::new("/tmp/project")),
+            Path::new("/tmp/project")
+                .join(".export")
+                .join(REGISTRY_FILE_NAME)
+        );
+    }
+}
diff --git a/apps/ai-game-creator-shell/src-tauri/src/export/draft/xhs_minitool/mod.rs b/apps/ai-game-creator-shell/src-tauri/src/export/draft/xhs_minitool/mod.rs
index 1449482ff..cec4c49b5 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/export/draft/xhs_minitool/mod.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/export/draft/xhs_minitool/mod.rs
@@ -1,17 +1,22 @@
-pub mod commands;
+//! 小红书小工具导出目标。
+//!
+//! 文件都堆在项目根的 `.export/`（见 [`crate::export::EXPORT_WORK_RELATIVE_DIR`]）：
+//! `xhs-minitool.json` 是注册表，`xhs-minitool.zip` 是交付给人工上传的产物，`xhs-minitool.*.mjs`
+//! 是 agent 首次适配时从 `vite-export-xhs-minitool` skill 显式拷进来的脚本（允许它改）。共享
+//! icon 放 `.export/` 根，注册表只存项目内相对路径，多个目标可以指同一个文件。
 
-struct XHSMiniToolExportForm {
-    // max 14 unicode
-    name: String,
-    // max 14 unicode
-    introduction: String,
-    // png jpg jpeg, max 5M
-    icon_path: String,
-}
-const XHS_MINI_TOOL_CODE_ZIP_FILENAME: &str = "xhx-minitool.zip";
+mod dto;
+mod error;
+mod layout;
+mod validation;
 
-const XHS_MINI_TOOL_REGISTRY_FILENAME: &str = "xhx-minitool.json";
-const XHS_MINI_TOOL_EXPORT_VITE_SCRIPT: &str = "build-xhx-minitool";
-struct XHSMiniToolExportRegistry {
-    form: XHSMiniToolExportForm,
-}
+pub(crate) use dto::{
+    XHSMiniToolExportField, XHSMiniToolExportForm, XHSMiniToolExportRunResult,
+    XHSMiniToolExportState,
+};
+pub(crate) use error::XHSMiniToolExportError;
+pub(crate) use layout::{
+    artifact_path, artifact_relative_path, export_dir, registry_path, ARTIFACT_FILE_NAME,
+    SCRIPT_NAME, TARGET,
+};
+pub(crate) use validation::validate_form;
diff --git a/apps/ai-game-creator-shell/src-tauri/src/export/draft/xhs_minitool/validation.rs b/apps/ai-game-creator-shell/src-tauri/src/export/draft/xhs_minitool/validation.rs
new file mode 100644
index 000000000..578adf63f
--- /dev/null
+++ b/apps/ai-game-creator-shell/src-tauri/src/export/draft/xhs_minitool/validation.rs
@@ -0,0 +1,225 @@
+//! 小红书上传表单的校验：**首个错误即返回**。
+//!
+//! 字数上限来自小红书平台的上传表单，所以是宿主硬校验而不是软提示——写错了用户会被平台打回
+//! 去，代价比早一点拦下来大。icon 的扩展名与大小是本地文件事实，同样硬校验；非 png/jpg/jpeg
+//! 目前直接拒绝，格式转换工具是后续事项（见下方 TODO）。
+
+use std::path::Path;
+
+use super::dto::{XHSMiniToolExportField, XHSMiniToolExportForm};
+use super::error::XHSMiniToolExportError;
+
+/// 小红书平台对名称的字数上限（Unicode 字符数，不是字节数）。
+pub(crate) const NAME_MAX_CHARS: usize = 14;
+/// 简介与名称同档。
+pub(crate) const INTRODUCTION_MAX_CHARS: usize = 14;
+pub(crate) const ICON_MAX_BYTES: u64 = 5 * 1024 * 1024;
+const ICON_EXTENSIONS: [&str; 3] = ["png", "jpg", "jpeg"];
+
+pub(crate) fn validate_form(
+    root: &Path,
+    form: &XHSMiniToolExportForm,
+) -> Result<(), XHSMiniToolExportError> {
+    validate_text(
+        XHSMiniToolExportField::Name,
+        "名称",
+        &form.name,
+        NAME_MAX_CHARS,
+    )?;
+    validate_text(
+        XHSMiniToolExportField::Introduction,
+        "简介",
+        &form.introduction,
+        INTRODUCTION_MAX_CHARS,
+    )?;
+    validate_icon(root, form)
+}
+
+fn validate_text(
+    field: XHSMiniToolExportField,
+    label: &str,
+    value: &str,
+    max_chars: usize,
+) -> Result<(), XHSMiniToolExportError> {
+    let trimmed = value.trim();
+    if trimmed.is_empty() {
+        return Err(XHSMiniToolExportError::form_invalid(
+            field,
+            format!("{label}不能为空"),
+        ));
+    }
+    let chars = trimmed.chars().count();
+    if chars > max_chars {
+        return Err(XHSMiniToolExportError::form_invalid(
+            field,
+            format!("{label}最多 {max_chars} 个字，当前 {chars} 个字"),
+        ));
+    }
+    Ok(())
+}
+
+fn validate_icon(root: &Path, form: &XHSMiniToolExportForm) -> Result<(), XHSMiniToolExportError> {
+    let field = XHSMiniToolExportField::IconPath;
+    let relative = form.icon_path.trim();
+    if relative.is_empty() {
+        return Err(XHSMiniToolExportError::form_invalid(field, "icon 不能为空"));
+    }
+    // 与通用项目读取同一套拒绝口径：越界、符号链接、Windows reparse point 都在这里挡掉。
+    let path = crate::project::resolve_local_project_path(root, relative)
+        .map_err(|cause| XHSMiniToolExportError::form_invalid(field, cause))?;
+    let metadata = std::fs::symlink_metadata(&path).map_err(|error| {
+        XHSMiniToolExportError::form_invalid(field, format!("icon 不存在或不可读：{error}"))
+    })?;
+    if metadata.file_type().is_symlink() {
+        return Err(XHSMiniToolExportError::form_invalid(
+            field,
+            "icon 不能是符号链接",
+        ));
+    }
+    if !metadata.is_file() {
+        return Err(XHSMiniToolExportError::form_invalid(
+            field,
+            "icon 必须是普通文件",
+        ));
+    }
+    let extension = path
+        .extension()
+        .and_then(|value| value.to_str())
+        .map(str::to_ascii_lowercase)
+        .unwrap_or_default();
+    if !ICON_EXTENSIONS.contains(&extension.as_str()) {
+        // TODO: 提供格式转换工具，把平台不认的格式（webp、heic 等）转成 png/jpg/jpeg。
+        return Err(XHSMiniToolExportError::form_invalid(
+            field,
+            format!("icon 只支持 png、jpg、jpeg，当前是 .{extension}"),
+        ));
+    }
+    if metadata.len() > ICON_MAX_BYTES {
+        return Err(XHSMiniToolExportError::form_invalid(
+            field,
+            format!(
+                "icon 不能超过 5 MiB，当前 {:.1} MiB",
+                metadata.len() as f64 / (1024.0 * 1024.0)
+            ),
+        ));
+    }
+    Ok(())
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use std::fs;
+    use std::path::PathBuf;
+
+    static NEXT_TEST_ID: std::sync::atomic::AtomicU64 = std::sync::atomic::AtomicU64::new(0);
+
+    fn fixture_project(prefix: &str) -> PathBuf {
+        let root = std::env::temp_dir().join(format!(
+            "genarrative-xhs-validation-{prefix}-{}-{}",
+            std::process::id(),
+            NEXT_TEST_ID.fetch_add(1, std::sync::atomic::Ordering::Relaxed)
+        ));
+        fs::create_dir_all(root.join("assets")).expect("create fixture project");
+        root
+    }
+
+    fn form_with_icon(icon_path: &str) -> XHSMiniToolExportForm {
+        XHSMiniToolExportForm {
+            name: "小工具".to_string(),
+            introduction: "一句话简介".to_string(),
+            icon_path: icon_path.to_string(),
+        }
+    }
+
+    #[test]
+    fn accepts_a_well_formed_form() {
+        let root = fixture_project("ok");
+        fs::write(root.join("assets/icon.png"), b"png").unwrap();
+
+        validate_form(&root, &form_with_icon("assets/icon.png")).expect("valid form");
+    }
+
+    #[test]
+    fn counts_unicode_characters_not_bytes() {
+        let root = fixture_project("unicode");
+        fs::write(root.join("assets/icon.png"), b"png").unwrap();
+        let mut form = form_with_icon("assets/icon.png");
+        form.name = "小".repeat(NAME_MAX_CHARS);
+
+        validate_form(&root, &form).expect("exactly at the limit");
+        form.name.push('多');
+        let error = validate_form(&root, &form).expect_err("over the limit");
+        assert!(matches!(
+            error,
+            XHSMiniToolExportError::FormInvalid(payload)
+                if payload.field == XHSMiniToolExportField::Name
+        ));
+    }
+
+    #[test]
+    fn reports_the_first_invalid_field_only() {
+        let root = fixture_project("first");
+        let form = XHSMiniToolExportForm {
+            name: String::new(),
+            introduction: String::new(),
+            icon_path: String::new(),
+        };
+
+        let error = validate_form(&root, &form).expect_err("empty form");
+        assert!(matches!(
+            error,
+            XHSMiniToolExportError::FormInvalid(payload)
+                if payload.field == XHSMiniToolExportField::Name
+        ));
+    }
+
+    #[test]
+    fn rejects_paths_escaping_the_project_and_symlinks() {
+        let root = fixture_project("escape");
+        let outside = root.parent().unwrap().join("outside.png");
+        fs::write(&outside, b"png").unwrap();
+
+        let error = validate_form(&root, &form_with_icon("../outside.png"))
+            .expect_err("escaping path must be rejected");
+        assert!(matches!(
+            error,
+            XHSMiniToolExportError::FormInvalid(payload)
+                if payload.field == XHSMiniToolExportField::IconPath
+        ));
+
+        #[cfg(unix)]
+        {
+            std::os::unix::fs::symlink(&outside, root.join("assets/link.png")).unwrap();
+            let error = validate_form(&root, &form_with_icon("assets/link.png"))
+                .expect_err("symlink must be rejected");
+            assert!(matches!(
+                error,
+                XHSMiniToolExportError::FormInvalid(payload)
+                    if payload.field == XHSMiniToolExportField::IconPath
+            ));
+        }
+    }
+
+    #[test]
+    fn rejects_unsupported_extension_and_oversized_icon() {
+        let root = fixture_project("icon");
+        fs::write(root.join("assets/icon.webp"), b"webp").unwrap();
+        let error = validate_form(&root, &form_with_icon("assets/icon.webp"))
+            .expect_err("webp is not accepted yet");
+        assert!(matches!(
+            error,
+            XHSMiniToolExportError::FormInvalid(payload)
+                if payload.field == XHSMiniToolExportField::IconPath
+        ));
+
+        let big = root.join("assets/big.png");
+        fs::write(&big, vec![0_u8; (ICON_MAX_BYTES + 1) as usize]).unwrap();
+        let error = validate_form(&root, &form_with_icon("assets/big.png")).expect_err("too large");
+        assert!(matches!(
+            error,
+            XHSMiniToolExportError::FormInvalid(payload)
+                if payload.field == XHSMiniToolExportField::IconPath
+        ));
+    }
+}
diff --git a/apps/ai-game-creator-shell/src/view/project-development/export/generated/ArtifactMissing.ts b/apps/ai-game-creator-shell/src/view/project-development/export/generated/ArtifactMissing.ts
new file mode 100644
index 000000000..29e862933
--- /dev/null
+++ b/apps/ai-game-creator-shell/src/view/project-development/export/generated/ArtifactMissing.ts
@@ -0,0 +1,8 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+export type ArtifactMissing = {
+  /**
+   * 产物相对项目根的路径。
+   */
+  path: string;
+};
diff --git a/apps/ai-game-creator-shell/src/view/project-development/export/generated/BuildScriptMissing.ts b/apps/ai-game-creator-shell/src/view/project-development/export/generated/BuildScriptMissing.ts
new file mode 100644
index 000000000..5cc557622
--- /dev/null
+++ b/apps/ai-game-creator-shell/src/view/project-development/export/generated/BuildScriptMissing.ts
@@ -0,0 +1,12 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+export type BuildScriptMissing = {
+  /**
+   * 期望的脚本名（`build:xhs-minitool`）。
+   */
+  script: string;
+  /**
+   * 宿主找过哪些 `package.json`，让用户知道去哪看。
+   */
+  searched: Array<string>;
+};
diff --git a/apps/ai-game-creator-shell/src/view/project-development/export/generated/CommandFailed.ts b/apps/ai-game-creator-shell/src/view/project-development/export/generated/CommandFailed.ts
new file mode 100644
index 000000000..51afbc39a
--- /dev/null
+++ b/apps/ai-game-creator-shell/src/view/project-development/export/generated/CommandFailed.ts
@@ -0,0 +1,3 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+export type CommandFailed = { exitCode: number | null; outputTail: string };
diff --git a/apps/ai-game-creator-shell/src/view/project-development/export/generated/ExportUnavailable.ts b/apps/ai-game-creator-shell/src/view/project-development/export/generated/ExportUnavailable.ts
new file mode 100644
index 000000000..0f88dae02
--- /dev/null
+++ b/apps/ai-game-creator-shell/src/view/project-development/export/generated/ExportUnavailable.ts
@@ -0,0 +1,3 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+export type ExportUnavailable = { cause: string };
diff --git a/apps/ai-game-creator-shell/src/view/project-development/export/generated/FormInvalid.ts b/apps/ai-game-creator-shell/src/view/project-development/export/generated/FormInvalid.ts
new file mode 100644
index 000000000..7deacc2b4
--- /dev/null
+++ b/apps/ai-game-creator-shell/src/view/project-development/export/generated/FormInvalid.ts
@@ -0,0 +1,4 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { XHSMiniToolExportField } from './XHSMiniToolExportField';
+
+export type FormInvalid = { field: XHSMiniToolExportField; reason: string };
diff --git a/apps/ai-game-creator-shell/src/view/project-development/export/generated/RegistryMalformed.ts b/apps/ai-game-creator-shell/src/view/project-development/export/generated/RegistryMalformed.ts
new file mode 100644
index 000000000..974989382
--- /dev/null
+++ b/apps/ai-game-creator-shell/src/view/project-development/export/generated/RegistryMalformed.ts
@@ -0,0 +1,8 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+export type RegistryMalformed = {
+  /**
+   * 解析器原文。它是引导语，不是给前端做判断的依据。
+   */
+  cause: string;
+};
diff --git a/apps/ai-game-creator-shell/src/view/project-development/export/generated/SaveConflict.ts b/apps/ai-game-creator-shell/src/view/project-development/export/generated/SaveConflict.ts
new file mode 100644
index 000000000..1af09a678
--- /dev/null
+++ b/apps/ai-game-creator-shell/src/view/project-development/export/generated/SaveConflict.ts
@@ -0,0 +1,13 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { XHSMiniToolExportForm } from './XHSMiniToolExportForm';
+
+export type SaveConflict = {
+  /**
+   * 文件里现在是什么（字段级二选一的「文件里的」那一侧）。
+   */
+  current: XHSMiniToolExportForm;
+  /**
+   * 冲突时文件的指纹；用户选完之后带着它重试保存。
+   */
+  contentHash: string;
+};
diff --git a/apps/ai-game-creator-shell/src/view/project-development/export/generated/XHSMiniToolExportError.ts b/apps/ai-game-creator-shell/src/view/project-development/export/generated/XHSMiniToolExportError.ts
new file mode 100644
index 000000000..61ae92689
--- /dev/null
+++ b/apps/ai-game-creator-shell/src/view/project-development/export/generated/XHSMiniToolExportError.ts
@@ -0,0 +1,17 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { ArtifactMissing } from './ArtifactMissing';
+import type { BuildScriptMissing } from './BuildScriptMissing';
+import type { CommandFailed } from './CommandFailed';
+import type { ExportUnavailable } from './ExportUnavailable';
+import type { FormInvalid } from './FormInvalid';
+import type { RegistryMalformed } from './RegistryMalformed';
+import type { SaveConflict } from './SaveConflict';
+
+export type XHSMiniToolExportError =
+  | ({ type: 'registryMalformed' } & RegistryMalformed)
+  | ({ type: 'formInvalid' } & FormInvalid)
+  | ({ type: 'buildScriptMissing' } & BuildScriptMissing)
+  | ({ type: 'saveConflict' } & SaveConflict)
+  | ({ type: 'commandFailed' } & CommandFailed)
+  | ({ type: 'artifactMissing' } & ArtifactMissing)
+  | ({ type: 'exportUnavailable' } & ExportUnavailable);
diff --git a/apps/ai-game-creator-shell/src/view/project-development/export/generated/XHSMiniToolExportField.ts b/apps/ai-game-creator-shell/src/view/project-development/export/generated/XHSMiniToolExportField.ts
new file mode 100644
index 000000000..990bf7806
--- /dev/null
+++ b/apps/ai-game-creator-shell/src/view/project-development/export/generated/XHSMiniToolExportField.ts
@@ -0,0 +1,6 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+/**
+ * 表单里出错的字段。前端按它把原因挂到对应输入框，不解析文案。
+ */
+export type XHSMiniToolExportField = 'name' | 'introduction' | 'iconPath';
diff --git a/apps/ai-game-creator-shell/src/view/project-development/export/generated/XHSMiniToolExportForm.ts b/apps/ai-game-creator-shell/src/view/project-development/export/generated/XHSMiniToolExportForm.ts
new file mode 100644
index 000000000..bf071ac10
--- /dev/null
+++ b/apps/ai-game-creator-shell/src/view/project-development/export/generated/XHSMiniToolExportForm.ts
@@ -0,0 +1,17 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+/**
+ * 平台上传表单。**不是构建输入**：zip 规范里没有任何 app 元数据，这三个值的唯一用途是让用户
+ * 复制粘贴到小红书平台的上传页。
+ *
+ * `deny_unknown_fields` 是刻意的：这个文件也由 code agent 手写，字段漂移必须当场可见，不能
+ * 被静默忽略后带着半份表单继续走。
+ */
+export type XHSMiniToolExportForm = {
+  name: string;
+  introduction: string;
+  /**
+   * 项目内相对路径。icon 文件与目标无关，多个导出目标可以共用同一个。
+   */
+  iconPath: string;
+};
diff --git a/apps/ai-game-creator-shell/src/view/project-development/export/generated/XHSMiniToolExportRunResult.ts b/apps/ai-game-creator-shell/src/view/project-development/export/generated/XHSMiniToolExportRunResult.ts
new file mode 100644
index 000000000..fbb6f1dfa
--- /dev/null
+++ b/apps/ai-game-creator-shell/src/view/project-development/export/generated/XHSMiniToolExportRunResult.ts
@@ -0,0 +1,12 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+/**
+ * 一次成功导出的结果。产物路径是常量（`.export/xhs-minitool.zip`），不进 DTO。
+ */
+export type XHSMiniToolExportRunResult = {
+  exitCode: number | null;
+  /**
+   * 成功时为空；失败时是被截断的输出尾部（stdout 与 stderr 合并），够定位就行。
+   */
+  outputTail: string;
+};
diff --git a/apps/ai-game-creator-shell/src/view/project-development/export/generated/XHSMiniToolExportState.ts b/apps/ai-game-creator-shell/src/view/project-development/export/generated/XHSMiniToolExportState.ts
new file mode 100644
index 000000000..e06977bd1
--- /dev/null
+++ b/apps/ai-game-creator-shell/src/view/project-development/export/generated/XHSMiniToolExportState.ts
@@ -0,0 +1,20 @@
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { XHSMiniToolExportForm } from './XHSMiniToolExportForm';
+
+/**
+ * 面板读到的现场状态。
+ *
+ * 没有「产物是否已存在」：每次导出都重新构建。也没有 status / 已适配标记——「有没有脚本」
+ * 永远从 npm 包的 `package.json` 现算，不落盘。
+ */
+export type XHSMiniToolExportState = {
+  form: XHSMiniToolExportForm;
+  /**
+   * `scripts["build:xhs-minitool"]` 是否存在。
+   */
+  hasScript: boolean;
+  /**
+   * 注册表文件的当前内容指纹。保存时原样带回做冲突判据；它不写进文件。
+   */
+  contentHash: string;
+};
diff --git a/scripts/check-generated-bindings.mjs b/scripts/check-generated-bindings.mjs
index b30a70a2f..6f89ce888 100644
--- a/scripts/check-generated-bindings.mjs
+++ b/scripts/check-generated-bindings.mjs
@@ -30,6 +30,8 @@ const AGC_CHAT_DIR =
 const AGC_SERVICES_DIR = 'apps/ai-game-creator-shell/src/services/generated';
 const AGC_UI_EDITOR_DIR =
   'apps/ai-game-creator-shell/src/features/ui-editor/types';
+const AGC_EXPORT_DIR =
+  'apps/ai-game-creator-shell/src/view/project-development/export/generated';
 
 /** 一套绑定的生成入口、覆盖目录与"怎么重新生成"的提示。 */
 const targets = [
@@ -51,7 +53,7 @@ const targets = [
   },
   {
     label: 'ai-game-creator-shell',
-    dirs: [AGC_CHAT_DIR, AGC_SERVICES_DIR, AGC_UI_EDITOR_DIR],
+    dirs: [AGC_CHAT_DIR, AGC_SERVICES_DIR, AGC_UI_EDITOR_DIR, AGC_EXPORT_DIR],
     cargoArgs: [
       'test',
       '--locked',
@@ -70,7 +72,7 @@ function snapshot(dir) {
     // "0 个文件"静默通过——`export_to` 路径被改名或生成文件被整体删除时，校验形同虚设。
     throw new Error(`生成绑定目录不存在，无法校验：${dir}`);
   }
-  // 四个生成目录都是平铺的（ts-rs 的 `export_to` 直接落文件，不再嵌套子目录）；
+  // 五个生成目录都是平铺的（ts-rs 的 `export_to` 直接落文件，不再嵌套子目录）；
   // 不用 `recursive`，避免依赖 Node 18.17 / 20.1 才有的选项（旧版本会静默退化成只读顶层）。
   const entries = fs.readdirSync(absolute);
   return new Map(