fix(settings): 适配 kimi-code 近期变更 — [watch] 默认值修正为开启（上游 #4015 翻回默认开）；新增顶层开关 auto_session_title（#3962）与 repeat_breaker（#3995，默认开、false 显式写入/true 删键）；最大输出 Token 文案修正为「留空则不发送输出上限」（上游 #4091 未配置即省略 max_tokens）

src/components/AgentSettingsPanel.tsx

@@ -236,19 +236,37 @@ export function AgentSettingsPanel({ rawOther, onChange, models, defaultModel }:
       </Card>
 
       <Card title={t("watchSettings")}>
-        {/* Top-level `[watch] enabled` (kimi-code 2.0.1+; off by default since
-            2.0.2). KIMI_CODE_WATCH outranks this config at runtime — the env
-            var is probed by get_experimental_env_status as a non-flag entry
-            but deliberately locks nothing here, the toggle just documents the
-            config value that applies when the env var is unset. */}
+        {/* Top-level `[watch] enabled` (kimi-code 2.0.1+; 2.0.2 flipped the
+            default off, #4015 flipped it back on). KIMI_CODE_WATCH outranks
+            this config at runtime — the env var is probed by
+            get_experimental_env_status as a non-flag entry but deliberately
+            locks nothing here, the toggle just documents the config value
+            that applies when the env var is unset. */}
         <Checkbox
           label={t("watchEnabled")}
-          checked={settings.watch?.enabled ?? false}
+          checked={settings.watch?.enabled ?? true}
           onChange={(checked) => updateWatch({ enabled: checked })}
         />
         <p className="text-xs text-content-muted">{t("watchEnabledDesc")}</p>
       </Card>
 
+      <Card title={t("behaviorSettings")}>
+        {/* Top-level booleans, both default true upstream: false is written
+            explicitly, true removes the key (see setAgentSettings). */}
+        <Checkbox
+          label={t("autoSessionTitle")}
+          checked={settings.auto_session_title ?? true}
+          onChange={(checked) => update({ auto_session_title: checked })}
+        />
+        <p className="text-xs text-content-muted">{t("autoSessionTitleDesc")}</p>
+        <Checkbox
+          label={t("repeatBreaker")}
+          checked={settings.repeat_breaker ?? true}
+          onChange={(checked) => update({ repeat_breaker: checked })}
+        />
+        <p className="text-xs text-content-muted">{t("repeatBreakerDesc")}</p>
+      </Card>
+
       <Card title={t("permissionRules")}>
         {/* kimi-code `[permission] dangerous_command_guard`. The env
             var KIMI_CODE_DANGEROUS_COMMAND_GUARD (literal "true"/"false")

src/i18n/en.ts

@@ -112,7 +112,7 @@ export const enTranslations: Record<TranslationKey, string> = {
   envPairs: "Env pairs",
   addEnv: "+ Add",
   modelMappingDesc: "Display name only affects the /model menu.",
-  maxOutputSizeDesc: "Max output tokens writes max_output_size — leave blank to use the upstream default.",
+  maxOutputSizeDesc: "Max output tokens writes max_output_size — leave blank to send no output cap upstream.",
   oneClickSetup: "One-click setup",
   fetchModels: "Fetch models",
   fetchingModels: "Fetching...",
@@ -188,7 +188,14 @@ export const enTranslations: Record<TranslationKey, string> = {
   watchSettings: "File Watching",
   watchEnabled: "Enable file watching",
   watchEnabledDesc:
-    "Watch config files and the workspace for changes (configurable since kimi-code 2.0.1, off by default since 2.0.2). The KIMI_CODE_WATCH environment variable overrides this setting.",
+    "Watch config files and the workspace for changes (configurable since kimi-code 2.0.1, on by default). The KIMI_CODE_WATCH environment variable overrides this setting.",
+  behaviorSettings: "Behavior",
+  autoSessionTitle: "Auto session title",
+  autoSessionTitleDesc:
+    "Let clients auto-generate session titles (on by default; turning it off writes false).",
+  repeatBreaker: "Repeat breaker",
+  repeatBreakerDesc:
+    "Remind and force-stop on consecutively repeated identical tool calls (on by default). The KIMI_CODE_REPEAT_BREAKER environment variable overrides this setting.",
   permissionRules: "Permission Rules",
   permissionDecision: "Decision",
   permissionPattern: "Pattern",

src/i18n/zh.ts

@@ -109,7 +109,7 @@ export const zhTranslations = {
   envPairs: "Env 键值对",
   addEnv: "+ 添加",
   modelMappingDesc: "显示名称只影响 /model 菜单。",
-  maxOutputSizeDesc: "「最大输出 Token」写入 max_output_size，留空则用上游默认值。",
+  maxOutputSizeDesc: "「最大输出 Token」写入 max_output_size，留空则不发送输出上限。",
   oneClickSetup: "一键设置",
   fetchModels: "获取模型列表",
   fetchingModels: "获取中...",
@@ -181,7 +181,14 @@ export const zhTranslations = {
   watchSettings: "文件监听",
   watchEnabled: "启用文件监听",
   watchEnabledDesc:
-    "监听配置文件与工作目录变化（kimi-code 2.0.1 起可配置，2.0.2 起默认关闭）。环境变量 KIMI_CODE_WATCH 会覆盖本配置。",
+    "监听配置文件与工作目录变化（kimi-code 2.0.1 起可配置，默认开启）。环境变量 KIMI_CODE_WATCH 会覆盖本配置。",
+  behaviorSettings: "行为开关",
+  autoSessionTitle: "自动生成会话标题",
+  autoSessionTitleDesc:
+    "允许客户端自动生成会话标题（默认开启；关闭后写入 false）。",
+  repeatBreaker: "重复调用拦截",
+  repeatBreakerDesc:
+    "连续重复相同工具调用时提醒并强制停止（默认开启）。环境变量 KIMI_CODE_REPEAT_BREAKER 会覆盖本配置。",
   permissionRules: "权限规则",
   permissionDecision: "处置",
   permissionPattern: "模式",

src/lib/agent-settings.test.ts

@@ -201,8 +201,8 @@ describe("loop_control.compaction_max_attempts", () => {
 });
 
 // ---------------------------------------------------------------------------
-// [watch] enabled (kimi-code 2.0.1+) — top-level section, off by default since
-// 2.0.2; mirrors the [background] handling
+// [watch] enabled (kimi-code 2.0.1+) — top-level section; 2.0.2 flipped the
+// default off, #4015 flipped it back on. Mirrors the [background] handling.
 // ---------------------------------------------------------------------------
 
 function watchOf(raw: unknown): Record<string, unknown> {
@@ -213,9 +213,9 @@ function watchOf(raw: unknown): Record<string, unknown> {
 }
 
 describe("[watch] enabled", () => {
-  it("reads as false when the section or key is absent (2.0.2 default)", () => {
-    expect(getAgentSettings({}).watch?.enabled).toBe(false);
-    expect(getAgentSettings({ watch: {} }).watch?.enabled).toBe(false);
+  it("reads as true when the section or key is absent (#4015 default)", () => {
+    expect(getAgentSettings({}).watch?.enabled).toBe(true);
+    expect(getAgentSettings({ watch: {} }).watch?.enabled).toBe(true);
   });
 
   it("reads an explicit value", () => {
@@ -248,6 +248,49 @@ describe("[watch] enabled", () => {
   });
 });
 
+// ---------------------------------------------------------------------------
+// Top-level booleans (auto_session_title #3962 / repeat_breaker #3995):
+// upstream default true — false is written explicitly, true removes the key.
+// ---------------------------------------------------------------------------
+
+describe("top-level boolean switches", () => {
+  it("reads as undefined when the key is absent (default true)", () => {
+    const s = getAgentSettings({});
+    expect(s.auto_session_title).toBeUndefined();
+    expect(s.repeat_breaker).toBeUndefined();
+  });
+
+  it("reads explicit false values", () => {
+    const s = getAgentSettings({
+      auto_session_title: false,
+      repeat_breaker: false,
+    });
+    expect(s.auto_session_title).toBe(false);
+    expect(s.repeat_breaker).toBe(false);
+  });
+
+  it("writes false explicitly and removes the key on true", () => {
+    const off = setAgentSettings({}, { repeat_breaker: false }) as Record<
+      string,
+      unknown
+    >;
+    expect(off.repeat_breaker).toBe(false);
+    const on = setAgentSettings(
+      { repeat_breaker: false },
+      { repeat_breaker: true }
+    ) as Record<string, unknown>;
+    expect("repeat_breaker" in on).toBe(false);
+  });
+
+  it("keeps an explicit false on saves that do not touch it", () => {
+    const next = setAgentSettings(
+      { auto_session_title: false },
+      { thinking: { effort: "high" } }
+    ) as Record<string, unknown>;
+    expect(next.auto_session_title).toBe(false);
+  });
+});
+
 
 describe("permission.dangerous_command_guard", () => {
   it("reads as undefined when the key is absent (default on)", () => {

src/lib/agent-settings.ts

@@ -13,10 +13,11 @@ const DEFAULT_SETTINGS: AgentSettings = {
   background: {
     keep_alive_on_exit: false,
   },
-  // `[watch] enabled` — kimi-code 2.0.1 added the key, 2.0.2 flipped the
-  // default to off, so an absent key reads as "off".
+  // `[watch] enabled` — kimi-code 2.0.1 added the key; 2.0.2 flipped the
+  // default to off, then #4015 flipped it back on, so an absent key reads
+  // as "on".
   watch: {
-    enabled: false,
+    enabled: true,
   },
   permission: { rules: [] },
   hooks: [],
@@ -37,6 +38,7 @@ function getSection<T>(rawOther: unknown, key: string): T | undefined {
 }
 
 export function getAgentSettings(rawOther: unknown): AgentSettings {
+  const root = asRecord(rawOther);
   const sectionLoop = getSection<AgentSettings["loop_control"]>(
     rawOther,
     "loop_control"
@@ -92,6 +94,16 @@ export function getAgentSettings(rawOther: unknown): AgentSettings {
         : {}),
     },
     hooks: getSection<AgentSettings["hooks"]>(rawOther, "hooks") ?? [],
+    // Top-level booleans (upstream default true): keep only explicit values,
+    // an absent key means "on" — the UI shows `?? true`.
+    auto_session_title:
+      typeof root.auto_session_title === "boolean"
+        ? root.auto_session_title
+        : undefined,
+    repeat_breaker:
+      typeof root.repeat_breaker === "boolean"
+        ? root.repeat_breaker
+        : undefined,
   };
 }
 
@@ -166,5 +178,17 @@ export function setAgentSettings(
     delete root.hooks;
   }
 
+  // Top-level booleans with an upstream default of true: an explicit false
+  // is written; true/undefined removes the key so the config tracks the
+  // upstream default instead of pinning it.
+  for (const key of ["auto_session_title", "repeat_breaker"] as const) {
+    const value = patch[key] ?? current[key];
+    if (value === false) {
+      root[key] = false;
+    } else {
+      delete root[key];
+    }
+  }
+
   return root;
 }

src/types/index.ts

@@ -172,6 +172,13 @@ export interface AgentSettings {
   background?: BackgroundConfig;
   /** Top-level `[watch]` section (kimi-code 2.0.1+). */
   watch?: WatchConfig;
+  /** Top-level config.toml key (kimi-code #3962): let clients auto-generate
+   *  session titles. Default true; only an explicit false disables. */
+  auto_session_title?: boolean;
+  /** Top-level config.toml key (kimi-code #3995): repeat-breaker for
+   *  consecutively repeated identical tool calls. Default true; env
+   *  KIMI_CODE_REPEAT_BREAKER outranks this config. */
+  repeat_breaker?: boolean;
   permission?: {
     rules?: PermissionRule[];
     /** kimi-code `[permission]` key. Default true when the key is