diff --git a/crates/app-iced/src/app/state.rs b/crates/app-iced/src/app/state.rs
index a28809f..8de1625 100644
--- a/crates/app-iced/src/app/state.rs
+++ b/crates/app-iced/src/app/state.rs
@@ -360,16 +360,9 @@ impl App {
             self.lang(),
             &self.content,
         );
-        // 账户页（M114）：与 `view` 同一次门控重建；皮肤解码走缓存，所以重复重建不重解图。
-        // 语言同样跟着 M106 的 `LangState` 走（M114 早期钉死 `Lang::En` 的写法已删）。
-        let lang = self.lang();
-        self.account = pages::account::Page::build(
-            &self.state,
-            &self.account_form,
-            &mut self.avatars,
-            lang,
-            width,
-        );
+        // 账户页（M114）：与 `view` 同一次门控重建（实现见 `view/account_page.rs`，
+        // 皮肤解码走缓存，所以重复重建不重解图）。
+        self.rebuild_account_page(width);
         self.view_dirty = false;
         self.refreshes += 1;
     }
diff --git a/crates/app-iced/src/app/update.rs b/crates/app-iced/src/app/update.rs
index 3215568..c498a3a 100644
--- a/crates/app-iced/src/app/update.rs
+++ b/crates/app-iced/src/app/update.rs
@@ -44,6 +44,7 @@ use super::CAPTURE_AT_FRAME;
 
 mod account;
 mod agent;
+mod boot_env;
 mod content;
 mod download;
 mod page_messages;
@@ -178,7 +179,7 @@ impl App {
 
         // 取证开关 `ULL_START_ROUTE`：截图/冒烟直接落到某一页（`cli.rs` 不在本 mission 的 scope，
         // 而「外观」分组只在设置页上，出矩阵必须能直达）。未知值忽略。
-        if let Some(route) = env_start_route() {
+        if let Some(route) = boot_env::env_start_route() {
             eprintln!("[boot] ULL_START_ROUTE → {route:?}");
             self.state.navigate(route);
             // 直达某一页时不要再被「自动选中第一条实例」拉回详情页。
@@ -383,25 +384,5 @@ fn heartbeat() -> Task<Message> {
     })
 }
 
-/// 取证开关 `ULL_START_ROUTE` 的取值解析（`settings` / `instances` / `download` / `content` / `logs`）。
-///
-/// 为什么是环境变量：`crates/app-iced/src/cli.rs` 不在 M93 的 scope，而外观矩阵必须在**设置页**上
-/// 出图。语义与 `ULL_APPEARANCE_*` / `ULL_TICK_TRACE` 一致：只影响这一次进程。
-fn env_start_route() -> Option<Route> {
-    match std::env::var("ULL_START_ROUTE").ok()?.trim() {
-        "instances" => Some(Route::Instances),
-        "download" => Some(Route::Download),
-        "logs" => Some(Route::Logs),
-        "settings" => Some(Route::Settings),
-        // M104：AI 独立页也要能直达（三态矩阵的 Detached 那张）
-        "agent" => Some(Route::Agent),
-        // M109：内容库（截图矩阵要能直达；页面内的四条侧栏不在路由里）
-        "content" => Some(Route::Content),
-        // M114：账户页的 D30 矩阵要能直达（`cli.rs` 不在本 mission 的 scope）
-        "accounts" => Some(Route::Accounts),
-        _ => None,
-    }
-}
-
 #[cfg(test)]
 mod download_wiring;
diff --git a/crates/app-iced/src/app/update/boot_env.rs b/crates/app-iced/src/app/update/boot_env.rs
new file mode 100644
index 0000000..65690a9
--- /dev/null
+++ b/crates/app-iced/src/app/update/boot_env.rs
@@ -0,0 +1,26 @@
+//! 启动期的取证环境变量解析（`ULL_START_ROUTE`）。
+//!
+//! 从 `app/update.rs` 原样搬出（那个文件在 M105/M106/M109/M113 之后贴着 400 行硬线）：
+//! **纯函数、无状态**，只是取值表长到了七条。
+
+use unlucky_presenter::router::Route;
+
+/// 取证开关 `ULL_START_ROUTE` 的取值解析（`settings` / `instances` / `download` / `content` / `logs`）。
+///
+/// 为什么是环境变量：`crates/app-iced/src/cli.rs` 不在 M93 的 scope，而外观矩阵必须在**设置页**上
+/// 出图。语义与 `ULL_APPEARANCE_*` / `ULL_TICK_TRACE` 一致：只影响这一次进程。
+pub(super) fn env_start_route() -> Option<Route> {
+    match std::env::var("ULL_START_ROUTE").ok()?.trim() {
+        "instances" => Some(Route::Instances),
+        "download" => Some(Route::Download),
+        "logs" => Some(Route::Logs),
+        "settings" => Some(Route::Settings),
+        // M104：AI 独立页也要能直达（三态矩阵的 Detached 那张）
+        "agent" => Some(Route::Agent),
+        // M109：内容库（截图矩阵要能直达；页面内的四条侧栏不在路由里）
+        "content" => Some(Route::Content),
+        // M114：账户页的 D30 矩阵要能直达（`cli.rs` 不在本 mission 的 scope）
+        "accounts" => Some(Route::Accounts),
+        _ => None,
+    }
+}
diff --git a/crates/app-iced/src/app/view/account_page.rs b/crates/app-iced/src/app/view/account_page.rs
index 7f72327..08e13e1 100644
--- a/crates/app-iced/src/app/view/account_page.rs
+++ b/crates/app-iced/src/app/view/account_page.rs
@@ -10,12 +10,28 @@ use iced::Element;
 
 use crate::app::Message;
 use crate::pages;
+use crate::pages::account::Page as AccountPage;
 use crate::shell::{self, agent, NavItem, RailAccount};
 
 use super::super::state::App;
 use super::super::APP_TITLE;
 
 impl App {
+    /// 账户页视图模型的重建（`refresh_view` 的账户那一步）。
+    ///
+    /// 与 `view` 同一次门控；语言跟着 M106 的 `LangState` 走（M114 早期钉死 `Lang::En`
+    /// 的写法已删），宽度用 M104 的中栏可用宽。放在这里是为了让 `app/state.rs` 守住 400 行。
+    pub(in crate::app) fn rebuild_account_page(&mut self, width: f32) {
+        let lang = self.lang();
+        self.account = AccountPage::build(
+            &self.state,
+            &self.account_form,
+            &mut self.avatars,
+            lang,
+            width,
+        );
+    }
+
     /// 账户页（走 `pages::account` 自己的树，而不是 `pages::Screen` 那四页的 `Model`）。
     pub(super) fn account_page<'a>(
         &'a self,
diff --git a/crates/i18n/src/catalog.rs b/crates/i18n/src/catalog.rs
index 3b870f3..a83532d 100644
--- a/crates/i18n/src/catalog.rs
+++ b/crates/i18n/src/catalog.rs
@@ -112,8 +112,8 @@ macro_rules! finish {
     ({ $($acc:tt)* }) => { catalog! { $($acc)* } };
 }
 
-mod agent;
 mod account;
+mod agent;
 mod content;
 mod core_text;
 mod download;
@@ -132,8 +132,8 @@ mod golden;
 #[cfg(test)]
 mod tests;
 
-use agent::agent_entries;
 use account::account_entries;
+use agent::agent_entries;
 use content::content_entries;
 use core_text::core_text_entries;
 use download::{download_entries, version_entries};
diff --git a/crates/presenter/src/dto/events.rs b/crates/presenter/src/dto/events.rs
index e9d5d39..c4508a7 100644
--- a/crates/presenter/src/dto/events.rs
+++ b/crates/presenter/src/dto/events.rs
@@ -10,10 +10,31 @@ use crate::dialogs::{DialogId, DialogRequest};
 use crate::dto::CreateRequest;
 use crate::dto::{
     // 主线（M109 的 Content* / M113 的 Pack*）与 M114 的 Authlib*/AccountNotice 的并集。
-    AccountNotice, AccountView, AgentEvent, AuthlibLoginView, AuthlibRequest, ContentInstallRequest,
-    ContentQuery, ContentResults, DeviceLoginView, DiagnosisReport, InstallProgressView, InstanceId,
-    InstanceRuntime, InstanceSummary, JavaPageView, LoaderKind, LogLine, LogOutcome, LogSession,
-    NoticeView, PackCommand, PackEvent, SessionId, SettingGroupView, VersionCategory,
+    AccountNotice,
+    AccountView,
+    AgentEvent,
+    AuthlibLoginView,
+    AuthlibRequest,
+    ContentInstallRequest,
+    ContentQuery,
+    ContentResults,
+    DeviceLoginView,
+    DiagnosisReport,
+    InstallProgressView,
+    InstanceId,
+    InstanceRuntime,
+    InstanceSummary,
+    JavaPageView,
+    LoaderKind,
+    LogLine,
+    LogOutcome,
+    LogSession,
+    NoticeView,
+    PackCommand,
+    PackEvent,
+    SessionId,
+    SettingGroupView,
+    VersionCategory,
     VersionSummary,
 };
 use crate::toast::Toast;
diff --git a/crates/presenter/src/host/accounts.rs b/crates/presenter/src/host/accounts.rs
index 043b14c..8e3b613 100644
--- a/crates/presenter/src/host/accounts.rs
+++ b/crates/presenter/src/host/accounts.rs
@@ -32,6 +32,8 @@ use super::opener;
 /// 第三方轨（服务发现 / 密码登录 / 皮肤抓取）。
 pub mod authlib;
 
+mod refresh;
+
 mod failure;
 
 pub use failure::AccountFailure;
diff --git a/crates/presenter/src/host/accounts/refresh.rs b/crates/presenter/src/host/accounts/refresh.rs
new file mode 100644
index 0000000..cb805d6
--- /dev/null
+++ b/crates/presenter/src/host/accounts/refresh.rs
@@ -0,0 +1,66 @@
+//! 账户列表的刷新与皮肤抓取（`impl CoreHost` 的这一段，从 `host/mod.rs` 拆出来守 400 行）。
+//!
+//! 为什么在这里：`host/mod.rs` 在 M109/M113 之后已经贴着 400 行硬线，而这三段是**账户专属**
+//! 的编排（读账户库 → 盖皮肤 → 起抓取线程）。放回 `host/accounts.rs` 也不行——那个文件同样
+//! 380 行。归属仍是 accounts（`mod accounts { mod refresh; }`），只是按功能再分一层。
+
+use crate::dto::{AccountKind, CoreEvent};
+
+use super::super::{accounts, job, CoreHost, HostTask};
+
+impl CoreHost {
+    pub(in crate::host) fn refresh_accounts(&mut self) {
+        self.accounts = accounts::accounts(&self.env, self.active_account.as_deref());
+        if self.active_account.is_none() {
+            // 默认选中第一个账户（没有账户时保持 None = 离线占位）
+            self.active_account = self.accounts.first().map(|account| account.id.clone());
+            self.accounts = accounts::accounts(&self.env, self.active_account.as_deref());
+        }
+        self.attach_skins();
+        self.request_skins();
+        self.send(CoreEvent::AccountsChanged(self.accounts.clone()));
+    }
+
+    /// 把已抓到的皮肤盖到账户视图上。
+    ///
+    /// 只盖第三方轨：离线档案没有皮肤，微软轨不做真头像（M114 口径）——
+    /// 「没有皮肤就画首字母块」，绝不给假皮肤/白块。
+    pub(in crate::host) fn attach_skins(&mut self) {
+        for account in &mut self.accounts {
+            if account.kind != AccountKind::Authlib {
+                account.skin = None;
+                continue;
+            }
+            if let Some(skin) = self.skins.get(&account.id) {
+                account.skin = skin.clone();
+            }
+        }
+    }
+
+    /// 给还没抓过皮肤的第三方轨账户起后台抓取（每个账户只抓一次）。
+    ///
+    /// 抓不到就记 `None`：错误在面板上不显示（皮肤是装饰，不是业务失败），但也不会重试刷屏。
+    fn request_skins(&mut self) {
+        let mut pending = Vec::new();
+        for account in &self.accounts {
+            if account.kind != AccountKind::Authlib || account.server_url.trim().is_empty() {
+                continue;
+            }
+            if self.skin_requested.insert(account.id.clone()) {
+                pending.push((
+                    account.id.clone(),
+                    account.server_url.clone(),
+                    account.profile_id.clone(),
+                ));
+            }
+        }
+        for (id, server, profile) in pending {
+            let tx = self.tx.clone();
+            let env = self.env.clone();
+            job::spawn("account-skin", move || {
+                let skin = accounts::fetch_skin(&env, &server, &profile).ok();
+                let _ = tx.send(HostTask::Avatar { id, skin });
+            });
+        }
+    }
+}
diff --git a/crates/presenter/src/host/job.rs b/crates/presenter/src/host/job.rs
index 871b21e..74b497c 100644
--- a/crates/presenter/src/host/job.rs
+++ b/crates/presenter/src/host/job.rs
@@ -8,9 +8,25 @@ use std::sync::mpsc::{Receiver, Sender};
 
 use crate::dto::{
     // 主线（M109 ContentResults / M105 LoaderKind / M113 PackEvent）与 M114 的账户轨并集。
-    AccountView, AuthlibLoginView, ContentResults, DeviceLoginView, DiagnosisReport,
-    InstallProgressView, InstanceId, InstanceRuntime, JavaPageView, LaunchFinished, LiveLogBatch,
-    LoaderKind, LogLine, LogOutcome, LogSession, NoticeView, PackEvent, SessionId, SkinImage,
+    AccountView,
+    AuthlibLoginView,
+    ContentResults,
+    DeviceLoginView,
+    DiagnosisReport,
+    InstallProgressView,
+    InstanceId,
+    InstanceRuntime,
+    JavaPageView,
+    LaunchFinished,
+    LiveLogBatch,
+    LoaderKind,
+    LogLine,
+    LogOutcome,
+    LogSession,
+    NoticeView,
+    PackEvent,
+    SessionId,
+    SkinImage,
     VersionSummary,
 };
 use crate::toast::Toast;
diff --git a/crates/presenter/src/host/mod.rs b/crates/presenter/src/host/mod.rs
index 9bc3578..ed55b51 100644
--- a/crates/presenter/src/host/mod.rs
+++ b/crates/presenter/src/host/mod.rs
@@ -37,8 +37,8 @@ use std::collections::{BTreeMap, BTreeSet, VecDeque};
 use std::time::Duration;
 
 use crate::dto::{
-    AccountKind, AccountView, AppCommand, AppEvent, Backend, CoreEvent, DiagnosisReport,
-    InstallProgressView, InstanceRuntime, JavaChainStep, NoticeView, SkinImage,
+    AccountView, AppCommand, AppEvent, Backend, CoreEvent, DiagnosisReport, InstallProgressView,
+    InstanceRuntime, JavaChainStep, NoticeView, SkinImage,
 };
 use crate::mock::MockBackend;
 use crate::toast::{Toast, ToastKind};
@@ -222,61 +222,6 @@ impl CoreHost {
         self.send(CoreEvent::InstancesChanged(instances));
     }
 
-    fn refresh_accounts(&mut self) {
-        self.accounts = accounts::accounts(&self.env, self.active_account.as_deref());
-        if self.active_account.is_none() {
-            // 默认选中第一个账户（没有账户时保持 None = 离线占位）
-            self.active_account = self.accounts.first().map(|account| account.id.clone());
-            self.accounts = accounts::accounts(&self.env, self.active_account.as_deref());
-        }
-        self.attach_skins();
-        self.request_skins();
-        self.send(CoreEvent::AccountsChanged(self.accounts.clone()));
-    }
-
-    /// 把已抓到的皮肤盖到账户视图上。
-    ///
-    /// 只盖第三方轨：离线档案没有皮肤，微软轨不做真头像（M114 口径）——
-    /// 「没有皮肤就画首字母块」，绝不给假皮肤/白块。
-    fn attach_skins(&mut self) {
-        for account in &mut self.accounts {
-            if account.kind != AccountKind::Authlib {
-                account.skin = None;
-                continue;
-            }
-            if let Some(skin) = self.skins.get(&account.id) {
-                account.skin = skin.clone();
-            }
-        }
-    }
-
-    /// 给还没抓过皮肤的第三方轨账户起后台抓取（每个账户只抓一次）。
-    ///
-    /// 抓不到就记 `None`：错误在面板上不显示（皮肤是装饰，不是业务失败），但也不会重试刷屏。
-    fn request_skins(&mut self) {
-        let mut pending = Vec::new();
-        for account in &self.accounts {
-            if account.kind != AccountKind::Authlib || account.server_url.trim().is_empty() {
-                continue;
-            }
-            if self.skin_requested.insert(account.id.clone()) {
-                pending.push((
-                    account.id.clone(),
-                    account.server_url.clone(),
-                    account.profile_id.clone(),
-                ));
-            }
-        }
-        for (id, server, profile) in pending {
-            let tx = self.tx.clone();
-            let env = self.env.clone();
-            job::spawn("account-skin", move || {
-                let skin = accounts::fetch_skin(&env, &server, &profile).ok();
-                let _ = tx.send(HostTask::Avatar { id, skin });
-            });
-        }
-    }
-
     fn refresh_java(&mut self) {
         let page = java::page(
             &self.env,
diff --git a/crates/presenter/src/state.rs b/crates/presenter/src/state.rs
index 2513378..5fad98a 100644
--- a/crates/presenter/src/state.rs
+++ b/crates/presenter/src/state.rs
@@ -7,9 +7,24 @@ use crate::agent::AgentRail;
 use crate::dialogs::DialogQueue;
 use crate::dto::{
     // 主线（M105 的 `LoaderKind` / M113 的 `PackState`）与 M114 的 `AuthlibLoginView` 并集。
-    AccountView, AgentEvent, AppEvent, AuthlibLoginView, CoreEvent, DeviceLoginView,
-    DiagnosisReport, InstallProgressView, InstanceRuntime, InstanceSummary, JavaPageView,
-    LoaderKind, LogLine, LogSession, NoticeView, PackState, Progress, SettingGroupView,
+    AccountView,
+    AgentEvent,
+    AppEvent,
+    AuthlibLoginView,
+    CoreEvent,
+    DeviceLoginView,
+    DiagnosisReport,
+    InstallProgressView,
+    InstanceRuntime,
+    InstanceSummary,
+    JavaPageView,
+    LoaderKind,
+    LogLine,
+    LogSession,
+    NoticeView,
+    PackState,
+    Progress,
+    SettingGroupView,
     VersionSummary,
 };
 use crate::prefs::UiPrefs;
@@ -25,27 +40,9 @@ use crate::wizard::WizardState;
 // 所以这里没有 `mod ai;` / `pub use ai::AiSession;`——M114 r1 曾把旧结构搬到 `state/ai.rs`，
 // 该文件已随 rebase 删除，**以 main 的 agent 契约为准**。
 mod accounts;
+mod tiles;
 
-/// 磁贴网格单元：位置由 [`grid_positions`] 算好，UI 侧只消费 row/col。
-#[derive(Debug, Clone, Copy, PartialEq)]
-pub struct TileCell<'a> {
-    /// 实例数据
-    pub instance: &'a InstanceSummary,
-    /// 网格行号（0 起）
-    pub row: usize,
-    /// 网格列号（0 起）
-    pub col: usize,
-}
-
-/// 纯函数：把 n 个磁贴摊到 `columns` 列的网格上，返回 `(row, col)`。
-///
-/// 特意放在 Rust 侧：声明式 UI 的表达式里做整数除法容易引出隐式浮点，且这段逻辑可以单测。
-pub fn grid_positions(count: usize, columns: usize) -> Vec<(usize, usize)> {
-    let columns = columns.max(1);
-    (0..count)
-        .map(|index| (index / columns, index % columns))
-        .collect()
-}
+pub use tiles::{grid_positions, TileCell};
 
 /// 实时日志最多保留的行数（滚动窗口；更多行由日志页的筛选/历史会话承担）。
 pub const MAX_LIVE_LINES: usize = 2_000;
diff --git a/crates/presenter/src/state/tiles.rs b/crates/presenter/src/state/tiles.rs
new file mode 100644
index 0000000..da8988b
--- /dev/null
+++ b/crates/presenter/src/state/tiles.rs
@@ -0,0 +1,27 @@
+//! 磁贴网格的纯函数与单元类型（从 `state.rs` 原样搬出，守 400 行硬线）。
+//!
+//! **纯搬移**：类型、函数、文档一字未改，只是换了文件；`state.rs` 用 `pub use` 再导出，
+//! 于是 `crate::state::{TileCell, grid_positions}` 这两个老路径继续可用。
+
+use crate::dto::InstanceSummary;
+
+/// 磁贴网格单元：位置由 [`grid_positions`] 算好，UI 侧只消费 row/col。
+#[derive(Debug, Clone, Copy, PartialEq)]
+pub struct TileCell<'a> {
+    /// 实例数据
+    pub instance: &'a InstanceSummary,
+    /// 网格行号（0 起）
+    pub row: usize,
+    /// 网格列号（0 起）
+    pub col: usize,
+}
+
+/// 纯函数：把 n 个磁贴摊到 `columns` 列的网格上，返回 `(row, col)`。
+///
+/// 特意放在 Rust 侧：声明式 UI 的表达式里做整数除法容易引出隐式浮点，且这段逻辑可以单测。
+pub fn grid_positions(count: usize, columns: usize) -> Vec<(usize, usize)> {
+    let columns = columns.max(1);
+    (0..count)
+        .map(|index| (index / columns, index % columns))
+        .collect()
+}