style: cargo fmt --all（合并期整合修复）

M187/M188 并入后全仓 fmt --check 为红（CI 的 fmt job 会红）。
本次仅 cargo fmt --all 的换行/缩进变化，无语义改动；
cargo fmt --check 与 cargo check 均已复验为绿。

crates/app-iced/src/app/diag.rs

@@ -94,7 +94,10 @@ mod tests {
     #[test]
     fn lines_without_a_tag_fall_back_to_the_default_scope() {
         assert_eq!(split_scope("没有标签的一行"), ("app", "没有标签的一行"));
-        assert_eq!(split_scope("[a b] 空白不是标签"), ("app", "[a b] 空白不是标签"));
+        assert_eq!(
+            split_scope("[a b] 空白不是标签"),
+            ("app", "[a b] 空白不是标签")
+        );
     }
 
     /// 守门②：**启动器日志的滚动真的会发生**，写超上限之后文件仍然有界。

crates/app-iced/src/app/logs_folder.rs

@@ -68,7 +68,8 @@ pub(crate) fn prepare(dir: &Path) -> Result<PathBuf, String> {
 /// 返回的文本永远带路径（`...logs` 那一串），可以直接贴给用户/贴进 issue。
 pub(crate) fn open() -> Result<PathBuf, String> {
     let dir = logs_dir().ok_or_else(|| {
-        "日志目录：数据根没解析出来（启动器拿不到自己所在的目录；用 --data-dir 指定一个）".to_string()
+        "日志目录：数据根没解析出来（启动器拿不到自己所在的目录；用 --data-dir 指定一个）"
+            .to_string()
     })?;
     let dir = prepare(&dir)?;
     crate::app::dialog::export::open_dir(&dir)?;

crates/app-iced/src/app/update/settings/java.rs

@@ -21,8 +21,8 @@
 //! `requirement_for(mc_version)` 是 core 的纯函数（静态表，读不到版本 JSON 时也成立）。
 //! 页面自己不看盘：本文件在每次 hydrate 时算好 [`Context`] 塞进状态，渲染器只负责画。
 
-use crate::app::diag::diag;
 use super::super::*;
+use crate::app::diag::diag;
 
 use crate::pages::settings::java::{Context, Layer, Notice, Requirement};
 

crates/app-iced/src/pages/settings/logs_row.rs

@@ -103,8 +103,8 @@ fn action_button<'a>(ui: &'a Ui, label: &'a str, message: Message) -> Element<'a
     .height(height)
     .padding(Padding::from([0.0, ui.space(Space::X3)]))
     .style(move |_theme: &IcedTheme, status| {
-        let background = matches!(status, button::Status::Hovered | button::Status::Pressed)
+        let background =
-            .then(|| {
+            matches!(status, button::Status::Hovered | button::Status::Pressed).then(|| {
                 Background::Color(ui.state_over(StateLayer::Hover, Role::OnSurface, Role::Surface))
             });
         button::Style {

crates/app-iced/src/pages/settings/tests/general_section.rs

@@ -228,7 +228,11 @@ fn the_logs_row_names_the_real_paths_and_the_real_limit() {
             &format!("{LOGS_DIR}/{GAME_LOG_DIR}/"),
             "data/agent/sessions",
         ] {
-            assert!(hint.contains(needle), "{} 缺 `{needle}`：{hint}", lang.tag());
+            assert!(
+                hint.contains(needle),
+                "{} 缺 `{needle}`：{hint}",
+                lang.tag()
+            );
         }
         assert!(!hint.contains('⟪'), "{} 目录里缺词：{hint}", lang.tag());
         assert!(

crates/cli/src/commands/sessions.rs

@@ -241,10 +241,7 @@ fn find_entry(ctx: &Ctx, key: &str) -> Result<SessionIndexEntry, CliError> {
 fn event_path(ctx: &Ctx, entry: &SessionIndexEntry) -> std::path::PathBuf {
     // M188：新会话在 `logs/game/`，旧会话在 `data/agent/sessions/game/`（只读兼容）。
     // 先看新根，再回落旧家；两处都没有就把新根路径交出去（错误信息据此说「该去哪找」）。
-    let primary = ctx
+    let primary = ctx.sessions_root().join(GAME_LOG_DIR).join(&entry.log_path);
-        .sessions_root()
-        .join(GAME_LOG_DIR)
-        .join(&entry.log_path);
     if primary.is_file() {
         return primary;
     }

crates/presenter/src/host/logs_tests.rs

@@ -127,7 +127,11 @@ fn legacy_sessions_are_still_listed_and_openable() {
     let env = HostEnv::at_root(&root);
     let legacy_game = env.legacy_sessions_root().join("game");
     std::fs::create_dir_all(&legacy_game).expect("建旧家目录");
-    let entry = sample_entry("old-session", "old-session.jsonl", "2026-11-01T10:00:00.000Z");
+    let entry = sample_entry(
+        "old-session",
+        "old-session.jsonl",
+        "2026-11-01T10:00:00.000Z",
+    );
     session_index::append(
         &session_index::index_path(&env.legacy_sessions_root()),
         &entry,
@@ -144,7 +148,10 @@ fn legacy_sessions_are_still_listed_and_openable() {
         listed.iter().any(|session| session.id == "old-session"),
         "旧家的会话没有出现在列表里：{listed:?}"
     );
-    assert_eq!(event_path(&env, &entry), legacy_game.join("old-session.jsonl"));
+    assert_eq!(
+        event_path(&env, &entry),
+        legacy_game.join("old-session.jsonl")
+    );
     let (lines, _) = open(&env, "old-session");
     assert!(
         lines.iter().any(|line| line.text.contains("旧会话这一行")),
@@ -196,7 +203,10 @@ fn the_new_root_wins_when_both_indexes_know_the_same_id() {
     let legacy_game = env.legacy_sessions_root().join("game");
     std::fs::create_dir_all(&legacy_game).expect("建旧家目录");
     let old = sample_entry("same", "same.jsonl", "2026-10-01T00:00:00.000Z");
-    session_index::append(&session_index::index_path(&env.legacy_sessions_root()), &old)
+    session_index::append(
+        &session_index::index_path(&env.legacy_sessions_root()),
+        &old,
+    )
     .expect("写旧索引");
     std::fs::write(
         legacy_game.join("same.jsonl"),
@@ -235,7 +245,10 @@ fn the_location_receipt_names_both_roots_and_the_policy() {
     std::fs::write(legacy_game.join("a.jsonl"), "{}\n").expect("写旧文件");
 
     let path = note_location(&env).expect("记录应当写得出来");
-    assert_eq!(path, env.logs_dir().join(super::location::SESSION_LOCATION_FILE));
+    assert_eq!(
+        path,
+        env.logs_dir().join(super::location::SESSION_LOCATION_FILE)
+    );
     let value: serde_json::Value =
         serde_json::from_slice(&std::fs::read(&path).expect("读记录")).expect("记录是 JSON");
     assert_eq!(value["policy"], "read-only-compat");