feat(subagent): 实验功能设置新增子代理模型配置

- 子代理设置页支持选择次主力模型，仅保存模型引用（不再写补丁字段），
  子代理直接继承所选模型的上下文长度与思考模式
- 界面只读展示继承的上下文长度与思考模式，移除补丁编辑项
- 仪表盘统计识别子代理请求（__secondary__）：归为「子代理模型（估算）」
  并缓存次主力模型定价；自定义网关模型价格按官方同名模型跨 provider 匹配
- bump v0.7.1

package.json

@@ -1,7 +1,7 @@
 {
   "name": "kimiswitch",
   "private": true,
-  "version": "0.7.0",
+  "version": "0.7.1",
   "type": "module",
   "scripts": {
     "dev": "vite",

src-tauri/Cargo.lock

@@ -1958,7 +1958,7 @@ dependencies = [
 
 [[package]]
 name = "kimiswitch"
-version = "0.7.0"
+version = "0.7.1"
 dependencies = [
  "anyhow",
  "chrono",

src-tauri/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "kimiswitch"
-version = "0.7.0"
+version = "0.7.1"
 description = "Kimi Switch - model config manager"
 authors = ["you"]
 edition = "2021"

src-tauri/src/commands.rs

@@ -1078,3 +1078,34 @@ pub async fn kimi_oauth_poll(
 ) -> Result<crate::oauth::DevicePollStatus, String> {
     crate::oauth::poll_device_token(&device_code, interval).await
 }
+
+// ---------------------------------------------------------------------------
+// Experimental feature env-var probe (Kimi Code secondary model etc.)
+// ---------------------------------------------------------------------------
+
+/// Read the Kimi Code experimental-feature environment variables that are
+/// currently set (non-empty) in this process's environment. The frontend
+/// uses the result to mark config.toml `[experimental]` toggles as locked:
+/// env vars outrank the config file in Kimi Code's flag resolution.
+///
+/// Truthy values per the CLI: `1` / `true` / `yes` / `on` (case-insensitive);
+/// the raw values are returned and the truthy check happens on the frontend.
+#[tauri::command]
+pub fn get_experimental_env_status() -> HashMap<String, String> {
+    const VARS: [&str; 5] = [
+        "KIMI_CODE_EXPERIMENTAL_FLAG",
+        "KIMI_CODE_EXPERIMENTAL_SECONDARY_MODEL",
+        "KIMI_CODE_EXPERIMENTAL_TOOL_SELECT",
+        "KIMI_CODE_EXPERIMENTAL_ACP_V2",
+        "KIMI_CODE_EXPERIMENTAL_PERSISTENCE_MINIDB_READMODEL",
+    ];
+    let mut out = HashMap::new();
+    for name in VARS {
+        if let Ok(value) = std::env::var(name) {
+            if !value.trim().is_empty() {
+                out.insert(name.to_string(), value);
+            }
+        }
+    }
+    out
+}

src-tauri/src/dashboard.rs

@@ -149,6 +149,9 @@ pub struct ModelRow {
     pub model_resolved: String,
     pub price_id: String,
     pub cost_estimated: bool,
+    /// True when any aggregated record came from a subagent request (Kimi Code
+    /// `__secondary__` marker, resolved to the configured secondary model).
+    pub is_secondary: bool,
     pub requests: usize,
     pub input_other: u64,
     pub output: u64,
@@ -175,6 +178,9 @@ pub struct RecentRow {
     pub cost_estimated: bool,
     pub price_id: String,
     pub from_env: bool,
+    /// True when the record is a subagent request bound to the configured
+    /// secondary model (Kimi Code `__secondary__` marker).
+    pub is_secondary: bool,
 }
 
 #[derive(Debug, Serialize, Deserialize, Clone)]
@@ -330,6 +336,9 @@ pub struct UsageRecord {
     pub model_display: String,
     pub provider: Option<String>,
     pub from_env: bool,
+    /// True when the record is a subagent request bound to the configured
+    /// secondary model (Kimi Code `__secondary__` marker).
+    pub is_secondary: bool,
 }
 
 // ---------------------------------------------------------------------------
@@ -400,6 +409,26 @@ fn build_alias_provider_map(home: &Path) -> HashMap<String, String> {
     map
 }
 
+/// Read `[secondary_model] model` from the Kimi Code config.toml — the alias
+/// subagents bind to when the experimental secondary-model feature is on.
+/// Kimi Code emits usage records with the internal marker `__secondary__` for
+/// those requests; the marker is resolved to this alias so prices and display
+/// line up with the actual model.
+fn read_secondary_model_alias(home: &Path) -> Option<String> {
+    let path = home.join("config.toml");
+    if !path.is_file() {
+        return None;
+    }
+    let content = std::fs::read_to_string(&path).ok()?;
+    let parsed: toml::Value = toml::from_str(&content).ok()?;
+    parsed
+        .get("secondary_model")
+        .and_then(|s| s.get("model"))
+        .and_then(|m| m.as_str())
+        .map(|s| s.to_string())
+        .filter(|s| !s.is_empty())
+}
+
 /// Resolve the provider for a usage record's raw model key: prefer the `provider/`
 /// prefix, then fall back to the legacy alias→provider map (config + backups).
 fn resolve_provider(model_raw: &str, map: &HashMap<String, String>) -> Option<String> {
@@ -726,6 +755,15 @@ fn match_price_inner(model_name: &str) -> (String, f64, f64, f64, bool) {
             return (id, c.cache_read, c.input, c.output, false);
         }
     }
+    // 1c) still no exact match: fall back to a cross-provider bare-name
+    // suffix lookup in the models.dev snapshot. Custom-gateway aliases (e.g.
+    // "CodingPlan.site/deepseek-v4-flash", not catalogued in models.dev)
+    // then price against the official listing of the same model id.
+    if let Some((id, c)) = priced_suffix_lookup(model_name) {
+        if c.input > 0.0 || c.output > 0.0 {
+            return (id, c.cache_read, c.input, c.output, false);
+        }
+    }
     // 2) legacy Kimi table (kept as a fallback for names not in models.dev).
     let bare_l = bare.to_ascii_lowercase();
     for p in &list_prices() {
@@ -758,9 +796,30 @@ fn cost_for_usage(input_other: u64, output: u64, cache_read: u64, cache_create:
 // Scanner
 // ---------------------------------------------------------------------------
 
+/// Settings key caching the last configured secondary-model alias. Historical
+/// `__secondary__` usage records carry no model identity, so billing follows
+/// the currently configured secondary model; this cache keeps a stable basis
+/// even after the secondary config is removed or changed.
+const SECONDARY_MODEL_CACHE_KEY: &str = "dashboard.secondary_model_cache";
+
 fn scan_usage(home: &Path) -> (Vec<UsageRecord>, ScanMeta) {
     let root = sessions_root(home);
     let alias2prov = build_alias_provider_map(home);
+    // Resolve the `__secondary__` marker (subagent requests bound to the
+    // configured secondary model) to the real model alias once per scan.
+    // Prefer the current config; fall back to the persisted cache so records
+    // keep a stable billing basis after the secondary config is removed or
+    // changed. When the config still declares a secondary model, refresh the
+    // cache with it.
+    let current_secondary = read_secondary_model_alias(home);
+    let cached_secondary = crate::db::get_setting_pub(SECONDARY_MODEL_CACHE_KEY)
+        .ok()
+        .flatten()
+        .filter(|s| !s.is_empty());
+    let secondary_alias = current_secondary.clone().or(cached_secondary);
+    if let Some(alias) = &current_secondary {
+        let _ = crate::db::set_setting_pub(SECONDARY_MODEL_CACHE_KEY, alias);
+    }
     let mut records = Vec::new();
     let mut files_scanned = 0;
     let mut lines_seen = 0;
@@ -800,6 +859,21 @@ fn scan_usage(home: &Path) -> (Vec<UsageRecord>, ScanMeta) {
             if scope != "turn" { continue; }
 
             let model_raw = obj.get("model").and_then(|v| v.as_str()).unwrap_or("unknown").to_string();
+            // Kimi Code writes the internal marker `__secondary__` as the model
+            // key for usage records emitted by subagents bound to the
+            // configured secondary model. The record stays keyed on that
+            // stable marker so historical records keep their semantics if the
+            // secondary config changes later; cost billing follows the
+            // currently configured secondary model, and the record is flagged
+            // is_secondary so the UI shows it as its own "subagent model"
+            // entry.
+            let is_secondary = model_raw == "__secondary__";
+            let from_env = model_raw == "__kimi_env_model__";
+            let price_model = if is_secondary {
+                secondary_alias.clone().unwrap_or_else(|| model_raw.clone())
+            } else {
+                model_raw.clone()
+            };
             let time = obj.get("time").and_then(|v| v.as_u64()).unwrap_or(0);
             let usage = &obj["usage"];
             let input_other = usage.get("inputOther").and_then(|v| v.as_u64()).unwrap_or(0);
@@ -809,16 +883,22 @@ fn scan_usage(home: &Path) -> (Vec<UsageRecord>, ScanMeta) {
 
             // Resolve model display
             let bare = model_raw.rsplit_once('/').map(|x| x.1).unwrap_or(&model_raw);
-            let (cost, est) = cost_for_usage(input_other, output, cache_read, cache_create, &model_raw);
+            let (cost, est) = cost_for_usage(input_other, output, cache_read, cache_create, &price_model);
-            let (pid, _ch, _ip, _op, _) = match_price(&model_raw);
+            // Subagent records are inherently estimates: the `__secondary__`
+            // marker carries no model identity, so the cost is flagged as
+            // estimated even when the current secondary config resolves to a
+            // priced listing.
+            let est = est || is_secondary;
+            let (pid, _ch, _ip, _op, _) = match_price(&price_model);
 
             records.push(UsageRecord {
                 time,
                 model: model_raw.clone(),
                 model_resolved: bare.to_string(),
                 model_display: model_raw.clone(),
-                provider: resolve_provider(&model_raw, &alias2prov),
+                provider: resolve_provider(&price_model, &alias2prov),
-                from_env: model_raw == "__kimi_env_model__",
+                from_env,
+                is_secondary,
                 input_other,
                 output,
                 input_cache_read: cache_read,
@@ -925,6 +1005,7 @@ fn aggregate(records: &[UsageRecord], range: &str, now_ms: u64) -> RangeStats {
                 model_resolved: r.model_resolved.clone(),
                 price_id: r.price_id.clone(),
                 cost_estimated: r.cost_estimated,
+                is_secondary: r.is_secondary,
                 requests: 0, input_other: 0, output: 0,
                 input_cache_read: 0, input_cache_creation: 0,
                 cost_usd: 0.0, total_tokens: 0, cache_hit_rate: 0.0,
@@ -933,6 +1014,7 @@ fn aggregate(records: &[UsageRecord], range: &str, now_ms: u64) -> RangeStats {
         });
         entry.1.add(r);
         entry.0.cost_estimated = entry.0.cost_estimated || r.cost_estimated;
+        entry.0.is_secondary = entry.0.is_secondary || r.is_secondary;
     }
 
     let total_input = totals.input_other + totals.input_cache_read + totals.input_cache_creation;
@@ -979,6 +1061,7 @@ fn aggregate(records: &[UsageRecord], range: &str, now_ms: u64) -> RangeStats {
         total_tokens: r.input_other + r.output + r.input_cache_read + r.input_cache_creation,
         cost_usd: r.cost_usd, cost_estimated: r.cost_estimated,
         price_id: r.price_id.clone(), from_env: r.from_env,
+        is_secondary: r.is_secondary,
     }).collect();
 
     RangeStats {
@@ -1760,6 +1843,19 @@ mod pricing_tests {
         assert!(est, "unknown models must be flagged as estimated");
     }
 
+    #[test]
+    fn custom_gateway_alias_bills_at_official_listing() {
+        // Custom-gateway aliases not catalogued in models.dev (e.g. the user's
+        // aggregated gateway "CodingPlan.site/deepseek-v4-flash") must resolve
+        // via the cross-provider bare-name lookup to a priced official entry
+        // instead of falling into the last-resort estimate.
+        let (id, _, input, output, est) = match_price("CodingPlan.site/deepseek-v4-flash");
+        assert!(!est, "resolved via models.dev, not estimated");
+        assert_eq!(id, "deepseek/deepseek-v4-flash");
+        assert_eq!(input, 0.14);
+        assert_eq!(output, 0.28);
+    }
+
     #[test]
     fn ambiguous_ids_prefer_official_provider() {
         // glm-4.6 ships under resellers too (e.g. 302ai); the official zhipuai

src-tauri/src/kimi_code_io.rs

@@ -343,6 +343,39 @@ pub fn config_to_kimi_code(config: &Config, existing: Option<&TomlValue>) -> Tom
     }
     root.insert("models".to_string(), TomlValue::Table(models_table));
 
+    // Sync UI-managed top-level sections (thinking, experimental,
+    // secondary_model, ...) from config.raw_other back into the root.
+    // At import time every top-level key except default_model/providers/
+    // models was collected into raw_other, so raw_other is the authoritative
+    // snapshot of those sections. This both persists UI edits to those
+    // sections and drops sections the user explicitly removed (absent from
+    // raw_other but still present in `existing`).
+    let mut managed_keys = std::collections::HashSet::new();
+    if let TomlValue::Table(extra) =
+        json_to_toml(&config.raw_other).unwrap_or(TomlValue::Table(Table::new()))
+    {
+        for (k, v) in extra {
+            if k == "default_model" || k == "providers" || k == "models" {
+                continue;
+            }
+            managed_keys.insert(k.clone());
+            root.insert(k, v);
+        }
+    }
+    let stale_keys: Vec<String> = root
+        .keys()
+        .filter(|k| {
+            *k != "default_model"
+                && *k != "providers"
+                && *k != "models"
+                && !managed_keys.contains(*k)
+        })
+        .cloned()
+        .collect();
+    for k in stale_keys {
+        root.remove(&k);
+    }
+
     TomlValue::Table(root)
 }
 
@@ -552,6 +585,76 @@ api_key = ""
         assert!(caps.iter().any(|v| v.as_str() == Some("thinking")));
     }
 
+    #[test]
+    fn kimi_code_export_syncs_raw_other_top_level_sections() {
+        // Regression: UI-managed top-level sections ([thinking],
+        // [experimental], [secondary_model], ...) collected into raw_other at
+        // import time must be written back on export; sections removed from
+        // raw_other must be dropped from the output.
+        let toml_str = r#"
+default_model = "glm-5.2"
+default_thinking = true
+
+[providers."glmzhongzhuan"]
+type = "anthropic"
+api_key = "sk-test"
+
+[models."glm-5.2"]
+provider = "glmzhongzhuan"
+model = "glm-5.2"
+max_context_size = 900000
+
+[thinking]
+enabled = true
+
+[experimental]
+secondary-model = true
+
+[secondary_model]
+model = "glm-5.2"
+default_effort = "low"
+"#;
+        let value: TomlValue = toml_str.parse().unwrap();
+        let mut config = kimi_code_to_config(&value);
+
+        // raw_other collected the unknown top-level sections
+        let raw = config.raw_other.as_object().unwrap();
+        assert!(raw.contains_key("thinking"));
+        assert!(raw.contains_key("experimental"));
+        assert!(raw.contains_key("secondary_model"));
+
+        // UI edit: flip the experimental flag off and drop secondary_model
+        let mut raw = config.raw_other.as_object().unwrap().clone();
+        raw.insert(
+            "experimental".to_string(),
+            serde_json::json!({"secondary-model": false}),
+        );
+        raw.remove("secondary_model");
+        config.raw_other = serde_json::Value::Object(raw);
+
+        let exported = config_to_kimi_code(&config, Some(&value));
+        let root = exported.as_table().unwrap();
+
+        // Updated section is written back
+        let exp = root.get("experimental").unwrap().as_table().unwrap();
+        assert_eq!(
+            exp.get("secondary-model").and_then(|v| v.as_bool()),
+            Some(false)
+        );
+        // Removed section is dropped
+        assert!(root.get("secondary_model").is_none());
+        // Untouched sections are preserved
+        let thinking = root.get("thinking").unwrap().as_table().unwrap();
+        assert_eq!(
+            thinking.get("enabled").and_then(|v| v.as_bool()),
+            Some(true)
+        );
+        assert_eq!(
+            root.get("default_thinking").and_then(|v| v.as_bool()),
+            Some(true)
+        );
+    }
+
     #[test]
     fn kimi_code_export_does_not_inject_thinking_from_supports_1m() {
         let mut providers = IndexMap::new();

src-tauri/src/lib.rs

@@ -44,6 +44,7 @@ pub fn run() {
             let icon = app.default_window_icon().unwrap().clone();
             TrayIconBuilder::new()
                 .icon(icon)
+                .tooltip("Kimi Switch")
                 .menu(&menu)
                 .show_menu_on_left_click(false)
                 .on_menu_event(|app, event| match event.id.as_ref() {
@@ -110,6 +111,7 @@ pub fn run() {
             commands::open_external_url,
             commands::kimi_oauth_start,
             commands::kimi_oauth_poll,
+            commands::get_experimental_env_status,
             dashboard::get_paths,
             dashboard::get_prices,
             dashboard::get_summary,

src-tauri/tauri.conf.json

@@ -1,6 +1,6 @@
 {
   "productName": "Kimi Switch",
-  "version": "0.7.0",
+  "version": "0.7.1",
   "identifier": "com.kimiswitch.app",
   "build": {
     "beforeDevCommand": "npm run dev",

src/App.tsx

@@ -5,6 +5,7 @@ import { useConfig } from "./hooks/useConfig";
 import { useUpdateCheck } from "./hooks/useUpdateCheck";
 import { ProviderList } from "./components/ProviderList";
 import { ProviderEdit } from "./components/ProviderEdit";
+import { SubagentSettingsPage } from "./components/SubagentSettingsPage";
 import { DashboardPage } from "./components/dashboard/DashboardPage";
 import { SessionsPage } from "./components/sessions/SessionsPage";
 import { SettingsModal } from "./components/SettingsModal";
@@ -70,7 +71,7 @@ export default function App() {
     updateConfig,
   } = useConfig(agent);
 
-  const [view, setView] = useState<"list" | "edit" | "dashboard" | "sessions">("list");
+  const [view, setView] = useState<"list" | "edit" | "subagent" | "dashboard" | "sessions">("list");
   const [editingProvider, setEditingProvider] = useState<string>("");
   const [loadTimeout, setLoadTimeout] = useState(false);
   const [switchMessage, setSwitchMessage] = useState<string | null>(null);
@@ -573,7 +574,7 @@ export default function App() {
             type="button"
             onClick={() => setView("list")}
             className={`px-3 py-1 text-sm rounded transition-colors ${
-              view === "list" || view === "edit"
+              view === "list" || view === "edit" || view === "subagent"
                 ? "bg-blue-600 text-white"
                 : "text-content-muted hover:text-content-primary"
             }`}
@@ -649,6 +650,15 @@ export default function App() {
           <DashboardPage />
         ) : view === "sessions" ? (
           <SessionsPage />
+        ) : view === "subagent" ? (
+          <SubagentSettingsPage
+            rawOther={config.raw_other}
+            models={config.models}
+            onChange={(nextRawOther) =>
+              updateConfig((cfg) => ({ ...cfg, raw_other: nextRawOther }))
+            }
+            onBack={() => setView("list")}
+          />
         ) : view === "list" ? (
           <ProviderList
             providers={providers}
@@ -813,6 +823,15 @@ export default function App() {
           >
             {t("openConfigDir")}
           </button>
+          {view === "list" && (
+            <button
+              type="button"
+              onClick={() => setView("subagent")}
+              className="px-3 py-1.5 text-sm border border-border rounded hover:bg-hover-2 focus:ring-2 focus:ring-blue-500 focus:outline-none"
+            >
+              {t("subagentSettings")}
+            </button>
+          )}
         </div>
       </footer>
       )}

src/components/AgentSettingsPanel.tsx

@@ -1,8 +1,8 @@
-import type { ReactNode } from "react";
 import { useTranslation } from "../i18n";
 import type { TranslationKey } from "../i18n/zh";
 import { getAgentSettings, setAgentSettings } from "../lib/agent-settings";
 import type { AgentSettings, Hook, PermissionRule } from "../types";
+import { Card, Checkbox, NumberField, Segmented } from "./ui/controls";
 
 interface AgentSettingsPanelProps {
   rawOther: unknown;
@@ -275,102 +275,3 @@ export function AgentSettingsPanel({ rawOther, onChange }: AgentSettingsPanelPro
     </div>
   );
 }
-
-function Card({ title, children }: { title: string; children: ReactNode }) {
-  return (
-    <div className="bg-panel border border-border rounded-xl p-4 space-y-3">
-      <h4 className="text-content-muted text-sm font-medium">{title}</h4>
-      {children}
-    </div>
-  );
-}
-
-function Checkbox({
-  label,
-  checked,
-  disabled,
-  onChange,
-}: {
-  label: string;
-  checked: boolean;
-  disabled?: boolean;
-  onChange: (checked: boolean) => void;
-}) {
-  return (
-    <label
-      className={`flex items-center gap-2 text-sm ${
-        disabled ? "text-content-muted" : "text-content-primary"
-      }`}
-    >
-      <input
-        type="checkbox"
-        checked={checked}
-        disabled={disabled}
-        onChange={(e) => onChange(e.target.checked)}
-        className="rounded border-border bg-input text-blue-600 focus:ring-blue-500"
-      />
-      {label}
-    </label>
-  );
-}
-
-function NumberField({
-  label,
-  value,
-  onChange,
-}: {
-  label: string;
-  value?: number;
-  onChange: (value: number | undefined) => void;
-}) {
-  return (
-    <label className="flex items-center gap-3 text-sm text-content-primary">
-      <span className="text-content-muted">{label}</span>
-      <input
-        type="number"
-        value={value ?? ""}
-        onChange={(e) => {
-          const raw = e.target.value;
-          onChange(raw === "" ? undefined : Number(raw));
-        }}
-        className="w-32 bg-input border border-border rounded px-2 py-1 text-sm focus:ring-2 focus:ring-blue-500 focus:outline-none"
-      />
-    </label>
-  );
-}
-
-function Segmented({
-  options,
-  value,
-  onChange,
-  disabled,
-}: {
-  options: { key: string; label: string }[];
-  value: string;
-  onChange: (value: string) => void;
-  disabled?: boolean;
-}) {
-  return (
-    <div
-      className={`flex items-center rounded overflow-hidden border border-border ${
-        disabled ? "opacity-50" : ""
-      }`}
-    >
-      {options.map((opt) => (
-        <button
-          key={opt.key}
-          type="button"
-          disabled={disabled}
-          onClick={() => onChange(opt.key)}
-          className={`px-3 py-1 text-sm ${
-            value === opt.key
-              ? "bg-blue-600 text-white"
-              : "bg-input text-content-muted hover:bg-hover-2"
-          }`}
-        >
-          {opt.label}
-        </button>
-      ))}
-    </div>
-  );
-}

src/components/SettingsModal.tsx

@@ -384,6 +384,18 @@ export function SettingsModal({
                     billowliu2.github.io/KimiSwitch
                   </button>
                 </div>
+                <div>
+                  {t("kimiEyesSite")}:{" "}
+                  <button
+                    type="button"
+                    onClick={() =>
+                      openExternal("https://billowliu2.github.io/kimi-eyes")
+                    }
+                    className="text-blue-500 hover:text-blue-400 underline bg-transparent p-0 border-0 cursor-pointer"
+                  >
+                    billowliu2.github.io/kimi-eyes
+                  </button>
+                </div>
                 <div>
                   {t("attributionPorted")}{" "}
                   <button

src/components/SubagentSettingsPage.tsx

@@ -0,0 +1,239 @@
+import { useEffect, useState } from "react";
+import { invoke } from "@tauri-apps/api/core";
+import { useTranslation } from "../i18n";
+import type { TranslationKey } from "../i18n/zh";
+import type { ExperimentalEnvStatus, Model } from "../types";
+import {
+  EXPERIMENTAL_FLAGS,
+  clearSecondaryModel,
+  forcedEnvValue,
+  getExperimentalFlags,
+  getSecondaryModel,
+  isFlagLockedByEnv,
+  isMasterEnvOn,
+  setExperimentalFlag,
+  setSecondaryModelOnly,
+  type ExperimentalFlagDef,
+} from "../lib/subagent-settings";
+import { Card, Checkbox } from "./ui/controls";
+
+interface SubagentSettingsPageProps {
+  /** config.raw_other — hosts the `[experimental]` and `[secondary_model]` sections. */
+  rawOther: unknown;
+  /** All configured models (alias → entry) for the secondary-model picker. */
+  models: Record<string, Model>;
+  onChange: (nextRawOther: unknown) => void;
+  onBack: () => void;
+}
+
+const EFFORTS = ["low", "medium", "high", "max"] as const;
+const EFFORT_LABELS: Record<(typeof EFFORTS)[number], TranslationKey> = {
+  low: "thinkingLow",
+  medium: "thinkingMedium",
+  high: "thinkingHigh",
+  max: "thinkingMax",
+};
+
+const FLAG_LABELS: Record<string, { name: TranslationKey; desc: TranslationKey }> = {
+  "secondary-model": { name: "flagSecondaryModel", desc: "flagSecondaryModelDesc" },
+  "tool-select": { name: "flagToolSelect", desc: "flagToolSelectDesc" },
+  "acp-v2": { name: "flagAcpV2", desc: "flagAcpV2Desc" },
+  persistence_minidb_readmodel: {
+    name: "flagMinidbReadmodel",
+    desc: "flagMinidbReadmodelDesc",
+  },
+};
+
+export function SubagentSettingsPage({
+  rawOther,
+  models,
+  onChange,
+  onBack,
+}: SubagentSettingsPageProps) {
+  const { t } = useTranslation();
+  const [env, setEnv] = useState<ExperimentalEnvStatus | null>(null);
+
+  useEffect(() => {
+    invoke<ExperimentalEnvStatus>("get_experimental_env_status")
+      .then(setEnv)
+      .catch(() => setEnv({}));
+  }, []);
+
+  const flags = getExperimentalFlags(rawOther);
+  const secondary = getSecondaryModel(rawOther);
+  const masterOn = isMasterEnvOn(env);
+  const secondaryFlag = EXPERIMENTAL_FLAGS[0]; // "secondary-model"
+  const otherFlags = EXPERIMENTAL_FLAGS.slice(1);
+
+  /** Effective state of the secondary-model flag (env overrides config). */
+  const secondaryEnabled = masterOn
+    ? true
+    : isFlagLockedByEnv(env, secondaryFlag)
+      ? forcedEnvValue(env, secondaryFlag)
+      : flags["secondary-model"] === true;
+
+  const aliasList = Object.keys(models).sort();
+
+  // Inherited settings shown for the picked model: subagents bind the pointed
+  // entry directly (no patch fields), so context size and effort come from the
+  // model entry / global [thinking], not from a `[secondary_model]` patch.
+  const selectedEntry = secondary.model ? models[secondary.model] : undefined;
+  const inheritedContext = selectedEntry?.max_context_size;
+  const modelEffort =
+    selectedEntry &&
+    typeof (selectedEntry.raw_other as Record<string, unknown> | undefined)
+      ?.default_effort === "string"
+      ? ((selectedEntry.raw_other as Record<string, unknown>).default_effort as string)
+      : undefined;
+  const thinkingEffort = (() => {
+    const ro = rawOther as Record<string, unknown> | undefined;
+    const thinking = ro?.thinking as Record<string, unknown> | undefined;
+    return thinking && typeof thinking.effort === "string" && thinking.effort
+      ? thinking.effort
+      : undefined;
+  })();
+  const inheritedEffort = modelEffort ?? thinkingEffort;
+
+  const fmtContext = (n: number): string =>
+    n >= 1_000_000
+      ? `${(n / 1_000_000).toFixed(1)}M`
+      : n >= 1000
+        ? `${Math.round(n / 1000)}K`
+        : String(n);
+  const effortLabel = (e: string): string => {
+    const key = EFFORT_LABELS[e as (typeof EFFORTS)[number]];
+    return key ? t(key) : e;
+  };
+
+  const renderFlagRow = (flag: ExperimentalFlagDef) => {
+    const labels = FLAG_LABELS[flag.id];
+    const locked = masterOn || isFlagLockedByEnv(env, flag);
+    const on = masterOn
+      ? true
+      : isFlagLockedByEnv(env, flag)
+        ? forcedEnvValue(env, flag)
+        : flags[flag.id] === true;
+    return (
+      <div key={flag.id} className="flex items-center gap-3">
+        <div className="flex-1 min-w-0">
+          <div className="text-sm text-content-primary">{t(labels.name)}</div>
+          <div className="text-xs text-content-muted">
+            {t(labels.desc)}
+            <code className="ml-2">{flag.envVar}</code>
+          </div>
+        </div>
+        {locked && (
+          <span className="text-xs text-content-muted shrink-0">
+            🔒 {t("lockedByEnv")}
+          </span>
+        )}
+        <Checkbox
+          label=""
+          checked={on}
+          disabled={locked}
+          onChange={(checked) =>
+            onChange(setExperimentalFlag(rawOther, flag.id, checked))
+          }
+        />
+      </div>
+    );
+  };
+
+  return (
+    <div className="h-full flex flex-col bg-app">
+      {/* Header */}
+      <div className="flex items-center gap-3 px-4 py-3 border-b border-border bg-panel">
+        <button
+          type="button"
+          onClick={onBack}
+          className="p-2 rounded-lg hover:bg-hover-2 focus:ring-2 focus:ring-blue-500 focus:outline-none"
+        >
+          ← {t("back")}
+        </button>
+        <h2 className="font-semibold text-lg">{t("subagentSettings")}</h2>
+      </div>
+
+      <div className="flex-1 overflow-auto p-6 space-y-4">
+        {masterOn && (
+          <div className="bg-green-100 dark:bg-green-900/20 border border-green-300 dark:border-green-500/30 rounded-lg px-4 py-2 text-sm text-green-700 dark:text-green-400">
+            {t("masterEnvOnHint")}
+          </div>
+        )}
+
+        {/* Subagent: experimental flag + secondary model in one card */}
+        <Card title={t("secondaryModelSection")}>
+          {renderFlagRow(secondaryFlag)}
+          <div className="border-t border-border" />
+
+          {!secondaryEnabled && (
+            <div className="bg-amber-100 dark:bg-amber-900/20 border border-amber-300 dark:border-amber-500/30 rounded-lg px-3 py-2 text-sm text-amber-800 dark:text-amber-400">
+              {t("secondaryModelDisabledHint")}
+            </div>
+          )}
+
+          <label className="flex items-center gap-3 text-sm text-content-primary">
+            <span className="text-content-muted">{t("secondaryModelLabel")}</span>
+            <select
+              className="flex-1 max-w-md bg-input border border-border rounded px-2 py-1 text-sm focus:ring-2 focus:ring-blue-500 focus:outline-none"
+              value={secondary.model ?? ""}
+              onChange={(e) => {
+                const alias = e.target.value;
+                if (alias === "") {
+                  onChange(clearSecondaryModel(rawOther));
+                } else {
+                  // Only the model reference is persisted — no patch fields.
+                  // Subagents bind the pointed entry directly and inherit its
+                  // settings; usage records stay keyed on the real alias
+                  // instead of Kimi Code's synthesized `__secondary__` entry.
+                  onChange(setSecondaryModelOnly(rawOther, alias));
+                }
+              }}
+            >
+              <option value="">{t("secondaryModelUnset")}</option>
+              {aliasList.map((alias) => (
+                <option key={alias} value={alias}>
+                  {models[alias]?.display_name
+                    ? `${alias}（${models[alias].display_name}）`
+                    : alias}
+                </option>
+              ))}
+            </select>
+          </label>
+
+          {secondary.model !== undefined && (
+            <div className="rounded-lg border border-border bg-input/40 px-3 py-2 space-y-1.5">
+              <div className="flex items-center gap-3 text-sm">
+                <span className="text-content-muted w-24 shrink-0">
+                  {t("secondaryModelInheritedContext")}
+                </span>
+                <span className="text-content-primary">
+                  {inheritedContext ? fmtContext(inheritedContext) : "—"}
+                </span>
+              </div>
+              <div className="flex items-center gap-3 text-sm">
+                <span className="text-content-muted w-24 shrink-0">
+                  {t("secondaryModelInheritedEffort")}
+                </span>
+                <span className="text-content-primary">
+                  {inheritedEffort ? effortLabel(inheritedEffort) : "—"}
+                </span>
+              </div>
+              <p className="text-xs text-content-muted">
+                {t("secondaryModelInheritedHint")}
+              </p>
+            </div>
+          )}
+
+          <p className="text-xs text-content-muted">{t("secondaryModelHint")}</p>
+          <p className="text-xs text-content-muted">{t("secondaryModelPriorityHint")}</p>
+        </Card>
+
+        {/* Other experimental features (not subagent-related) */}
+        <Card title={t("otherExperimentalFlags")}>
+          {otherFlags.map(renderFlagRow)}
+          <p className="text-xs text-content-muted">{t("experimentalFlagsHint")}</p>
+        </Card>
+      </div>
+    </div>
+  );
+}

src/components/dashboard/DailyBars.tsx

@@ -59,6 +59,10 @@ export function DailyBars({ daily, dimension, names, unknownProviderLabel }: Dai
     if (dimension === "provider") {
       return key === "unknown" ? unknownProviderLabel : key;
     }
+    // Subagent records (Kimi Code `__secondary__` marker) show their own label.
+    if (key === "__secondary__") {
+      return t("subagentModel");
+    }
     return shortModel(key);
   };
 

src/components/dashboard/DailyDetailModal.tsx

@@ -25,6 +25,10 @@ export function DailyDetailModal({ day, dimension, colorMap, unknownProviderLabe
   const { t } = useTranslation();
   const { money } = useCurrency();
 
+  /** Subagent records (Kimi Code `__secondary__` marker) show their own label. */
+  const modelName = (model: string) =>
+    model === "__secondary__" ? t("subagentModel") : shortModel(model);
+
   useEffect(() => {
     const onKey = (e: KeyboardEvent) => {
       if (e.key === "Escape") onClose();
@@ -143,7 +147,7 @@ export function DailyDetailModal({ day, dimension, colorMap, unknownProviderLabe
                       <div className="mt-1 ml-5 space-y-0.5">
                         {p.models.map((m) => (
                           <div key={m.model} className="flex items-baseline justify-between gap-2 text-xs">
-                            <span className="truncate text-content-muted" title={m.model}>{shortModel(m.model)}</span>
+                            <span className="truncate text-content-muted" title={m.model}>{modelName(m.model)}</span>
                             <span className="shrink-0 text-content-muted tabular-nums">{fmtTokens(m.tokens)}</span>
                           </div>
                         ))}
@@ -167,7 +171,7 @@ export function DailyDetailModal({ day, dimension, colorMap, unknownProviderLabe
                       <span className="inline-block h-2.5 w-2.5 rounded-sm shrink-0" style={{ backgroundColor: modelColor(i) }} />
                       <div className="min-w-0 flex-1">
                         <div className="flex items-baseline justify-between gap-2">
-                          <span className="truncate text-content-primary" title={s.model}>{shortModel(s.model)}</span>
+                          <span className="truncate text-content-primary" title={s.model}>{modelName(s.model)}</span>
                           <span className="shrink-0 text-xs text-content-muted tabular-nums">
                             {fmtTokens(s.tokens)} <span className="text-content-muted">· {s.pct.toFixed(1)}%</span>
                           </span>

src/components/dashboard/DashboardPage.tsx

@@ -310,7 +310,9 @@ export function DashboardPage() {
                             }}
                           />
                           <div className="flex items-center gap-1.5 min-w-0">
-                            <span className="text-content-primary whitespace-nowrap truncate">{m.modelDisplay || m.model}</span>
+                            <span className="text-content-primary whitespace-nowrap truncate">
+                              {m.isSecondary ? t("subagentModel") : m.modelDisplay || m.model}
+                            </span>
                             {m.costEstimated && (
                               <span className="text-[10px] text-yellow-600 shrink-0">({t("estimate")})</span>
                             )}
@@ -371,7 +373,13 @@ export function DashboardPage() {
                       <td className="py-1.5 pr-4 text-content-muted whitespace-nowrap">
                         {fmtTime(r.time)}
                       </td>
-                      <td className="py-1.5 pr-4 text-content-primary">{r.modelDisplay || r.model}</td>
+                      <td className="py-1.5 pr-4 text-content-primary">
+                        <span className="flex items-center gap-1.5 min-w-0">
+                          <span className="truncate">
+                            {r.isSecondary ? t("subagentModel") : r.modelDisplay || r.model}
+                          </span>
+                        </span>
+                      </td>
                       <td className="py-1.5 pr-4 text-right text-content-muted">{fmtTokens(r.inputOther)}</td>
                       <td className="py-1.5 pr-4 text-right text-content-muted">{fmtTokens(r.output)}</td>
                       <td className="py-1.5 pr-4 text-right text-content-muted">{fmtTokens(r.inputCacheRead)}</td>

src/components/ui/controls.tsx

@@ -0,0 +1,104 @@
+import type { ReactNode } from "react";
+
+/** Shared small form controls used by settings panels (Agent settings,
+ *  Subagent settings, ...). Extracted from AgentSettingsPanel.tsx so new
+ *  panels can reuse the same look without duplicating code. */
+
+export function Card({ title, children }: { title: string; children: ReactNode }) {
+  return (
+    <div className="bg-panel border border-border rounded-xl p-4 space-y-3">
+      <h4 className="text-content-muted text-sm font-medium">{title}</h4>
+      {children}
+    </div>
+  );
+}
+
+export function Checkbox({
+  label,
+  checked,
+  disabled,
+  onChange,
+}: {
+  label: string;
+  checked: boolean;
+  disabled?: boolean;
+  onChange: (checked: boolean) => void;
+}) {
+  return (
+    <label
+      className={`flex items-center gap-2 text-sm ${
+        disabled ? "text-content-muted" : "text-content-primary"
+      }`}
+    >
+      <input
+        type="checkbox"
+        checked={checked}
+        disabled={disabled}
+        onChange={(e) => onChange(e.target.checked)}
+        className="rounded border-border bg-input text-blue-600 focus:ring-blue-500"
+      />
+      {label}
+    </label>
+  );
+}
+
+export function NumberField({
+  label,
+  value,
+  onChange,
+}: {
+  label: string;
+  value?: number;
+  onChange: (value: number | undefined) => void;
+}) {
+  return (
+    <label className="flex items-center gap-3 text-sm text-content-primary">
+      <span className="text-content-muted">{label}</span>
+      <input
+        type="number"
+        value={value ?? ""}
+        onChange={(e) => {
+          const raw = e.target.value;
+          onChange(raw === "" ? undefined : Number(raw));
+        }}
+        className="w-32 bg-input border border-border rounded px-2 py-1 text-sm focus:ring-2 focus:ring-blue-500 focus:outline-none"
+      />
+    </label>
+  );
+}
+
+export function Segmented({
+  options,
+  value,
+  onChange,
+  disabled,
+}: {
+  options: { key: string; label: string }[];
+  value: string;
+  onChange: (value: string) => void;
+  disabled?: boolean;
+}) {
+  return (
+    <div
+      className={`flex items-center rounded overflow-hidden border border-border ${
+        disabled ? "opacity-50" : ""
+      }`}
+    >
+      {options.map((opt) => (
+        <button
+          key={opt.key}
+          type="button"
+          disabled={disabled}
+          onClick={() => onChange(opt.key)}
+          className={`px-3 py-1 text-sm ${
+            value === opt.key
+              ? "bg-blue-600 text-white"
+              : "bg-input text-content-muted hover:bg-hover-2"
+          }`}
+        >
+          {opt.label}
+        </button>
+      ))}
+    </div>
+  );
+}

src/i18n/en.ts

@@ -263,6 +263,7 @@ export const enTranslations: Record<TranslationKey, string> = {
   lastChecked: "Last checked",
   appDescription: "Windows desktop LLM provider config manager",
   settingsWebsite: "Official website",
+  kimiEyesSite: "Kimi Eyes plugin site",
   referenceProject: "Reference project",
 
   // Validation errors
@@ -319,6 +320,7 @@ export const enTranslations: Record<TranslationKey, string> = {
   colCacheRead: "Cache read",
   unitTimes: "requests",
   estimate: "est.",
+  subagentModel: "Subagent model",
   collapse: "Collapse",
   expandAll: "Expand all ({n})",
 
@@ -446,4 +448,34 @@ export const enTranslations: Record<TranslationKey, string> = {
   trendLineShowRequests: "Show requests",
   trendLineTooltip: "{date}\nTokens: {tokens}\nCache hit: {cache}\nRequests: {req}",
   trendLineNoData: "No data",
+
+  // Subagent settings page (experimental flags + secondary model)
+  subagentSettings: "Subagent Settings",
+  experimentalFlags: "Experimental Features",
+  otherExperimentalFlags: "Other Experimental Features",
+  experimentalFlagsHint:
+    "Toggles are written to the [experimental] section of config.toml; env vars take precedence and locked toggles cannot be changed here",
+  flagSecondaryModel: "Subagent Secondary Model",
+  flagSecondaryModelDesc: "Newly spawned subagents bind a second (usually cheaper) model config",
+  flagToolSelect: "Tool Select",
+  flagToolSelectDesc: "Enable the experimental tool selection feature",
+  flagAcpV2: "ACP v2 Protocol",
+  flagAcpV2Desc: "Enable Agent Communication Protocol v2",
+  flagMinidbReadmodel: "MiniDB Read Model",
+  flagMinidbReadmodelDesc: "Enable the v2 engine MiniDB read-model backend",
+  lockedByEnv: "Locked by env var",
+  masterEnvOnHint: "KIMI_CODE_EXPERIMENTAL_FLAG is set: all experimental features are forced on by the env var",
+  secondaryModelSection: "Subagent Model (Secondary Model)",
+  secondaryModelDisabledHint:
+    "The experimental flag \"Subagent Secondary Model\" is off and this config will not take effect — enable the toggle above first",
+  secondaryModelLabel: "Secondary model",
+  secondaryModelUnset: "Not configured",
+  secondaryModelInheritedContext: "Inherited context",
+  secondaryModelInheritedEffort: "Inherited effort",
+  secondaryModelInheritedHint:
+    "Subagents bind the selected model directly and inherit its context size and effort — no patch needed",
+  secondaryModelHint:
+    "Second model config bound to subagents by default; when unset, subagents inherit the primary model. Only the model reference is stored; subagents inherit all of that model's settings",
+  secondaryModelPriorityHint:
+    "Priority: explicit tool model param > profile model_preference > this config > inherit primary model",
 };

src/i18n/zh.ts

@@ -258,6 +258,7 @@ export const zhTranslations = {
   lastChecked: "上次检查",
   appDescription: "Windows 桌面端 LLM 供应商配置管理器",
   settingsWebsite: "官方网站",
+  kimiEyesSite: "Kimi Eyes 插件站",
   referenceProject: "引用项目",
 
   // Validation errors
@@ -314,6 +315,7 @@ export const zhTranslations = {
   colCacheRead: "缓存读",
   unitTimes: "次",
   estimate: "估算",
+  subagentModel: "子代理模型",
   collapse: "收起",
   expandAll: "展开全部 ({n})",
 
@@ -441,6 +443,36 @@ export const zhTranslations = {
   trendLineShowRequests: "显示请求数",
   trendLineTooltip: "{date}\nToken: {tokens}\n命中率: {cache}\n请求: {req}",
   trendLineNoData: "暂无数据",
+
+  // Subagent settings page (experimental flags + secondary model)
+  subagentSettings: "子代理设置",
+  experimentalFlags: "实验功能开关",
+  otherExperimentalFlags: "其他实验功能",
+  experimentalFlagsHint:
+    "开关写入 config.toml 的 [experimental] 节；环境变量优先级更高，被锁定的开关无法在此修改",
+  flagSecondaryModel: "子代理次主力模型",
+  flagSecondaryModelDesc: "子代理派发时绑定第二份（通常更便宜的）模型配置",
+  flagToolSelect: "工具选择",
+  flagToolSelectDesc: "启用实验性工具选择功能",
+  flagAcpV2: "ACP v2 协议",
+  flagAcpV2Desc: "启用 Agent Communication Protocol v2",
+  flagMinidbReadmodel: "MiniDB 读模型",
+  flagMinidbReadmodelDesc: "启用 v2 引擎 MiniDB 读模型后端",
+  lockedByEnv: "被环境变量锁定",
+  masterEnvOnHint: "KIMI_CODE_EXPERIMENTAL_FLAG 已设置：全部实验功能被环境变量强制开启",
+  secondaryModelSection: "子代理模型（次主力模型）",
+  secondaryModelDisabledHint:
+    "实验开关「子代理次主力模型」未启用，本配置不会生效——请先在上方打开对应开关",
+  secondaryModelLabel: "次主力模型",
+  secondaryModelUnset: "未配置",
+  secondaryModelInheritedContext: "继承上下文长度",
+  secondaryModelInheritedEffort: "继承思考模式",
+  secondaryModelInheritedHint:
+    "子代理直接绑定所选模型，继承其上下文长度与思考设置，无需单独配置补丁",
+  secondaryModelHint:
+    "子代理默认绑定的第二份模型配置；未配置时子代理继承主模型；仅保存模型引用，子代理继承该模型的全部设置",
+  secondaryModelPriorityHint:
+    "优先级：工具显式 model 参数 > 子代理 profile 的 model_preference > 本配置 > 继承主模型",
 } as const;
 
 export type TranslationKey = keyof typeof zhTranslations;

src/lib/subagent-settings.ts

@@ -0,0 +1,155 @@
+import type { ExperimentalEnvStatus, SecondaryModelConfig } from "../types";
+
+/**
+ * Helpers for the `[experimental]` and `[secondary_model]` sections of the
+ * Kimi Code config.toml. Both live in `config.raw_other` (the pass-through
+ * bucket for unknown top-level TOML sections), so these helpers read/write
+ * that JSON object directly.
+ */
+
+function asRecord(value: unknown): Record<string, unknown> {
+  if (value && typeof value === "object" && !Array.isArray(value)) {
+    return value as Record<string, unknown>;
+  }
+  return {};
+}
+
+function isTruthyEnv(value: string | undefined): boolean {
+  if (!value) return false;
+  return ["1", "true", "yes", "on"].includes(value.trim().toLowerCase());
+}
+
+// ---------------------------------------------------------------------------
+// [experimental] — experimental feature flags
+// ---------------------------------------------------------------------------
+
+export interface ExperimentalFlagDef {
+  /** Flag id as stored in config.toml `[experimental]` (e.g. "secondary-model"). */
+  id: string;
+  /** Single-feature env var that can force the flag (locks the UI toggle). */
+  envVar: string;
+}
+
+/** Known experimental flags (Kimi Code v1 + v2 registries, merged). */
+export const EXPERIMENTAL_FLAGS: ExperimentalFlagDef[] = [
+  { id: "secondary-model", envVar: "KIMI_CODE_EXPERIMENTAL_SECONDARY_MODEL" },
+  { id: "tool-select", envVar: "KIMI_CODE_EXPERIMENTAL_TOOL_SELECT" },
+  { id: "acp-v2", envVar: "KIMI_CODE_EXPERIMENTAL_ACP_V2" },
+  {
+    id: "persistence_minidb_readmodel",
+    envVar: "KIMI_CODE_EXPERIMENTAL_PERSISTENCE_MINIDB_READMODEL",
+  },
+];
+
+export const EXPERIMENTAL_MASTER_ENV = "KIMI_CODE_EXPERIMENTAL_FLAG";
+
+/** Whether the master env var is set to a truthy value (locks every flag on). */
+export function isMasterEnvOn(env: ExperimentalEnvStatus | null): boolean {
+  return isTruthyEnv(env?.[EXPERIMENTAL_MASTER_ENV]);
+}
+
+/** Whether a flag's value is overridden by its env var (set & non-empty),
+ *  locking the config toggle. Kimi Code lets the env var force the flag on
+ *  *or* off, so a set env var locks regardless of its truthiness. */
+export function isFlagLockedByEnv(
+  env: ExperimentalEnvStatus | null,
+  flag: ExperimentalFlagDef
+): boolean {
+  return env !== null && flag.envVar in env;
+}
+
+/** The value a locked flag is forced to by its env var. */
+export function forcedEnvValue(
+  env: ExperimentalEnvStatus | null,
+  flag: ExperimentalFlagDef
+): boolean {
+  return isTruthyEnv(env?.[flag.envVar]);
+}
+
+/** Read `[experimental]` from raw_other: `{ flagId: boolean }`. */
+export function getExperimentalFlags(rawOther: unknown): Record<string, boolean> {
+  const section = asRecord(rawOther)["experimental"];
+  const flags = asRecord(section);
+  const out: Record<string, boolean> = {};
+  for (const [k, v] of Object.entries(flags)) {
+    out[k] = v === true;
+  }
+  return out;
+}
+
+/** Set one flag in `[experimental]`. Removing all flags drops the section. */
+export function setExperimentalFlag(
+  rawOther: unknown,
+  id: string,
+  enabled: boolean
+): unknown {
+  const root = { ...asRecord(rawOther) };
+  const flags = { ...getExperimentalFlags(rawOther) };
+  if (enabled) {
+    flags[id] = true;
+  } else {
+    delete flags[id];
+  }
+  if (Object.keys(flags).length > 0) {
+    root.experimental = flags;
+  } else {
+    delete root.experimental;
+  }
+  return root;
+}
+
+// ---------------------------------------------------------------------------
+// [secondary_model] — subagent secondary model
+// ---------------------------------------------------------------------------
+
+/** Read `[secondary_model]` from raw_other; `{}` when absent. */
+export function getSecondaryModel(rawOther: unknown): SecondaryModelConfig {
+  const section = asRecord(rawOther)["secondary_model"];
+  const cfg = asRecord(section);
+  const out: SecondaryModelConfig = {};
+  if (typeof cfg.model === "string" && cfg.model !== "") out.model = cfg.model;
+  if (typeof cfg.default_effort === "string" && cfg.default_effort !== "")
+    out.default_effort = cfg.default_effort;
+  if (typeof cfg.max_output_size === "number" && cfg.max_output_size > 0)
+    out.max_output_size = cfg.max_output_size;
+  if (typeof cfg.max_context_size === "number" && cfg.max_context_size > 0)
+    out.max_context_size = cfg.max_context_size;
+  return out;
+}
+
+/**
+ * Write `[secondary_model]` with only the `model` field — no patch fields.
+ * Subagents then bind the pointed model entry directly and inherit its
+ * settings (context size, capabilities, effort fallback), which also keeps
+ * usage records keyed on the real model alias instead of the synthesized
+ * `__secondary__` derived entry. Unknown fields already present in the
+ * section are preserved; the known patch fields (`default_effort`,
+ * `max_output_size`, `max_context_size`) are dropped so stale patches are
+ * cleaned up when the model is re-picked.
+ */
+export function setSecondaryModelOnly(
+  rawOther: unknown,
+  alias: string
+): unknown {
+  const root = { ...asRecord(rawOther) };
+  const section = asRecord(asRecord(rawOther)["secondary_model"]);
+  const next: Record<string, unknown> = { model: alias };
+  const knownFields: ReadonlySet<string> = new Set([
+    "model",
+    "default_effort",
+    "max_output_size",
+    "max_context_size",
+  ]);
+  for (const [k, v] of Object.entries(section)) {
+    if (!knownFields.has(k)) next[k] = v;
+  }
+  root.secondary_model = next;
+  return root;
+}
+
+/** Remove `[secondary_model]` entirely (the "not configured" option). */
+export function clearSecondaryModel(rawOther: unknown): unknown {
+  const root = { ...asRecord(rawOther) };
+  delete root.secondary_model;
+  return root;
+}

src/types/dashboard.ts

@@ -24,6 +24,8 @@ export interface ModelRow extends TotalsRow {
   modelResolved: string;
   priceId: string;
   costEstimated: boolean;
+  /** True when any record in this row came from a subagent (secondary-model) request. */
+  isSecondary: boolean;
 }
 
 export interface RecentRow {
@@ -40,6 +42,8 @@ export interface RecentRow {
   costEstimated: boolean;
   priceId: string;
   fromEnv: boolean;
+  /** True when this request came from a subagent (secondary-model) call. */
+  isSecondary: boolean;
 }
 
 export interface RangeStats {

src/types/index.ts

@@ -127,3 +127,19 @@ export interface AgentSettings {
   permission?: { rules?: PermissionRule[] };
   hooks?: Hook[];
 }
+
+/**
+ * Kimi Code `[secondary_model]` section of config.toml: the secondary model
+ * bound to newly spawned subagents (experimental feature).
+ * `model` points at an alias defined in `[models]`; the remaining fields are
+ * a patch applied on top of the referenced entry (subagents only).
+ */
+export interface SecondaryModelConfig {
+  model?: string;
+  default_effort?: string;
+  max_output_size?: number;
+  max_context_size?: number;
+}
+
+/** Values of experimental env vars that are currently set (non-empty). */
+export type ExperimentalEnvStatus = Record<string, string>;

website/src/i18n.tsx

@@ -152,6 +152,7 @@ const zh = {
           "kimi usages 响应异常时透出原始返回，便于对照接口排查",
           "models.dev 价格快照同步",
           "关于页新增官方网站链接",
+          "设置-关于页新增 Kimi Eyes 识图插件站链接",
         ],
       },
       {
@@ -463,6 +464,7 @@ const en: Dict = {
           "kimi usages failure now exposes the raw response for easier debugging",
           "models.dev price snapshot sync",
           "About page gains an official website link",
+          "Settings-About page gains a Kimi Eyes plugin site link",
         ],
       },
       {