docs(gateway): gateway 剩余文件注释改中文（逐行 1:1，代码零字节改动）

主人 2026-10-03 拍板「注释一律中文」；gateway 至此整包注释中文化完成（本会话共 3 批：
已推库 16 个文件 + 本批剩余文件）。
校验：机械校验（非注释改动行）= 空；剥注释后代码文本逐行比对全等（不一致文件数 0）；
全树 go test ./... 58 包 ok / 0 FAIL；交叉编译绿。

internal/services/gateway/persona_read_test.go

@@ -12,9 +12,9 @@ import (
 	personareg "git.yeij.top/AskaEth/Cyrene_v2/internal/persona/registry"
 )
 
-// moodRegistry builds a real persona registry (the production PersonaStore, which
-// also owns each role's emotion machine) from the given personas, registering the
-// matching character too.
+// moodRegistry 从给定人格构建真实人格注册表（生产
+// PersonaStore，它同时持有每个角色的情绪机），并一并注册
+// 匹配的角色。
 func moodRegistry(t *testing.T, personas ...*loader.Persona) *personareg.Registry {
 	t.Helper()
 	reg := personareg.New()
@@ -29,8 +29,8 @@ func moodRegistry(t *testing.T, personas ...*loader.Persona) *personareg.Registr
 	return reg
 }
 
-// personaList fetches a persona list endpoint and returns each row as a raw map,
-// so the test can tell a missing key from a present null/false.
+// personaList 拉取人格列表端点并把每行作为原始 map 返回，
+// 使测试能区分键缺失与存在且为 null/false。
 func personaList(t *testing.T, ts *httptest.Server, jwt *auth.JWTService, path string) []map[string]any {
 	t.Helper()
 	resp, body := doReq(t, http.MethodGet, ts.URL+path, nil, mustSign(t, jwt))
@@ -44,17 +44,17 @@ func personaList(t *testing.T, ts *httptest.Server, jwt *auth.JWTService, path s
 	return rows
 }
 
-// mustSign mints an owner token for the read endpoints.
+// mustSign 为这些读端点铸造一个 owner token。
 func mustSign(t *testing.T, jwt *auth.JWTService) string {
 	t.Helper()
 	return signAny(t, jwt, "acct", auth.RoleOwner)
 }
 
-// TestAdminListPersonasThinkingKeepShowToUserTriState pins the read-side contract
-// of the panel's `thinking` block: an unconfigured persona carries NO `thinking`
-// key (nil, not an all-zero object), an explicitly false `showToUser` stays
-// `false`, and an unset one stays `null` — never flattened into false, which is
-// the distinction the write side keeps with *bool.
+// TestAdminListPersonasThinkingKeepShowToUserTriState 钉住面板 `thinking`
+// 块的读侧契约：未配置的人格不携带 `thinking`
+// 键（nil，而不是全零对象），显式为 false 的 `showToUser` 保持
+// `false`，未设置的保持 `null` —— 绝不被压平成 false，这正是
+// 写侧用 *bool 保持的区分。
 func TestAdminListPersonasThinkingKeepShowToUserTriState(t *testing.T) {
 	t.Parallel()
 
@@ -118,9 +118,9 @@ func TestAdminListPersonasThinkingKeepShowToUserTriState(t *testing.T) {
 	}
 }
 
-// TestUserListPersonasReportsRoleMoodOnly pins the user-side shape: the role-level
-// mood rides along (the frontend seeds its badge from it), while the admin-only
-// thinking knobs stay out of the user contract.
+// TestUserListPersonasReportsRoleMoodOnly 钉住用户侧形状：角色级
+// mood 一并带上（前端从它给角标播种），而仅管理的
+// thinking 开关留在用户契约之外。
 func TestUserListPersonasReportsRoleMoodOnly(t *testing.T) {
 	t.Parallel()
 
@@ -150,10 +150,10 @@ func TestUserListPersonasReportsRoleMoodOnly(t *testing.T) {
 	}
 }
 
-// TestPersonaMoodFollowsTheRole is the "mood is role-level, not per-session" rule:
-// it reads the live emotion machine, so a transition on one role's machine shows
-// up for that role and leaves every other role untouched, with no session input
-// anywhere in the path.
+// TestPersonaMoodFollowsTheRole 是「mood 是角色级、不是每会话」规则：
+// 它读取活的情绪机，因此一个角色机器上的转移会为该角色
+// 体现出来，且不触碰其他任何角色，路径中
+// 任何地方都没有会话输入。
 func TestPersonaMoodFollowsTheRole(t *testing.T) {
 	t.Parallel()
 
@@ -175,7 +175,7 @@ func TestPersonaMoodFollowsTheRole(t *testing.T) {
 	if x, y := readMoods(); x != "calm" || y != "calm" {
 		t.Fatalf("initial moods = (%q, %q), want (calm, calm)", x, y)
 	}
-	// Move only 昔涟's machine (the machine a settled turn's observer would move).
+	// 只移动昔涟的机器（一个已结算回合的观察者会移动的机器）。
 	if err := reg.Emotions().Transition("xilian", emotion.Happy); err != nil {
 		t.Fatalf("Transition: %v", err)
 	}
@@ -184,9 +184,9 @@ func TestPersonaMoodFollowsTheRole(t *testing.T) {
 	}
 }
 
-// TestPersonaMoodEmptyWithoutEmotionStore is the honest degrade: a persona store
-// that does not own emotion (it only lists personas) reports an empty mood rather
-// than inventing one.
+// TestPersonaMoodEmptyWithoutEmotionStore 是诚实的退化：不持有情绪
+// 的人格存储（它只列出人格）报告空 mood，而不是
+// 编造一个。
 func TestPersonaMoodEmptyWithoutEmotionStore(t *testing.T) {
 	t.Parallel()