diff --git a/README.fr.md b/README.fr.md
index 3e18275fb..52d51c3a2 100644
--- a/README.fr.md
+++ b/README.fr.md
@@ -141,7 +141,7 @@ Donnez une seconde vie à votre téléphone d'il y a dix ans ! Transformez-le en
 wget https://github.com/sipeed/picoclaw/releases/latest/download/picoclaw_Linux_arm64.tar.gz
 tar xzf picoclaw_Linux_arm64.tar.gz
 pkg install proot
-termux-chroot ./picoclaw onboard
+termux-chroot ./picoclaw onboard   # chroot fournit une disposition standard du système de fichiers Linux
 ```
 
 Puis suivez les instructions de la section « Démarrage Rapide » pour terminer la configuration !
@@ -228,6 +228,7 @@ Connectez PicoClaw au Réseau Social d'Agents simplement en envoyant un seul mes
 | `picoclaw skills install` | Installer une compétence           |
 | `picoclaw migrate`        | Migrer les données des anciennes versions |
 | `picoclaw auth login`     | S'authentifier auprès des fournisseurs |
+| `picoclaw model`          | Voir ou changer le modèle par défaut |
 
 ### Tâches Planifiées / Rappels
 
diff --git a/README.ja.md b/README.ja.md
index 7b6f2825f..a6afce14b 100644
--- a/README.ja.md
+++ b/README.ja.md
@@ -141,7 +141,7 @@ _*最近のバージョンでは急速な機能マージにより 10〜20MB に
 wget https://github.com/sipeed/picoclaw/releases/latest/download/picoclaw_Linux_arm64.tar.gz
 tar xzf picoclaw_Linux_arm64.tar.gz
 pkg install proot
-termux-chroot ./picoclaw onboard
+termux-chroot ./picoclaw onboard   # chroot で標準的な Linux ファイルシステムレイアウトを提供
 ```
 
 その後「クイックスタート」セクションの手順に従って設定を完了してください！
@@ -228,6 +228,7 @@ CLI または統合チャットアプリからメッセージを 1 つ送るだ
 | `picoclaw skills install` | スキルをインストール             |
 | `picoclaw migrate`        | 旧バージョンからデータを移行     |
 | `picoclaw auth login`     | プロバイダーへの認証             |
+| `picoclaw model`          | デフォルトモデルの表示・切替 |
 
 ### スケジュールタスク / リマインダー
 
diff --git a/README.md b/README.md
index 10d85fd29..150a43cfe 100644
--- a/README.md
+++ b/README.md
@@ -141,7 +141,7 @@ Give your decade-old phone a second life! Turn it into a smart AI Assistant with
 wget https://github.com/sipeed/picoclaw/releases/latest/download/picoclaw_Linux_arm64.tar.gz
 tar xzf picoclaw_Linux_arm64.tar.gz
 pkg install proot
-termux-chroot ./picoclaw onboard
+termux-chroot ./picoclaw onboard   # chroot provides a standard Linux filesystem layout
 ```
 
 And then follow the instructions in the "Quick Start" section to complete the configuration!
@@ -1514,6 +1514,7 @@ Connect Picoclaw to the Agent Social Network simply by sending a single message
 | `picoclaw skills install` | Install a skill               |
 | `picoclaw migrate`        | Migrate data from older versions |
 | `picoclaw auth login`     | Authenticate with providers   |
+| `picoclaw model`          | View or switch the default model |
 
 ### Scheduled Tasks / Reminders
 
diff --git a/README.pt-br.md b/README.pt-br.md
index 5099f12fe..e33de74d7 100644
--- a/README.pt-br.md
+++ b/README.pt-br.md
@@ -141,7 +141,7 @@ Dê uma segunda vida ao seu celular de dez anos atrás! Transforme-o em um assis
 wget https://github.com/sipeed/picoclaw/releases/latest/download/picoclaw_Linux_arm64.tar.gz
 tar xzf picoclaw_Linux_arm64.tar.gz
 pkg install proot
-termux-chroot ./picoclaw onboard
+termux-chroot ./picoclaw onboard   # chroot fornece um layout padrão do sistema de arquivos Linux
 ```
 
 Depois siga as instruções na seção "Início Rápido" para completar a configuração!
@@ -228,6 +228,7 @@ Conecte o PicoClaw à Rede Social de Agentes simplesmente enviando uma única me
 | `picoclaw skills install` | Instalar uma skill            |
 | `picoclaw migrate`        | Migrar dados de versões anteriores |
 | `picoclaw auth login`     | Autenticar com provedores     |
+| `picoclaw model`          | Ver ou trocar o modelo padrão |
 
 ### Tarefas Agendadas / Lembretes
 
diff --git a/README.vi.md b/README.vi.md
index d8968952c..6c53c534f 100644
--- a/README.vi.md
+++ b/README.vi.md
@@ -141,7 +141,7 @@ Hãy cho chiếc điện thoại cũ một cuộc sống mới! Biến nó thàn
 wget https://github.com/sipeed/picoclaw/releases/latest/download/picoclaw_Linux_arm64.tar.gz
 tar xzf picoclaw_Linux_arm64.tar.gz
 pkg install proot
-termux-chroot ./picoclaw onboard
+termux-chroot ./picoclaw onboard   # chroot cung cấp bố cục hệ thống tệp Linux tiêu chuẩn
 ```
 
 Sau đó làm theo hướng dẫn trong phần "Bắt đầu nhanh" để hoàn tất cấu hình!
@@ -228,6 +228,7 @@ Kết nối PicoClaw với Mạng xã hội Agent chỉ bằng cách gửi một
 | `picoclaw skills install`  | Cài đặt một skill              |
 | `picoclaw migrate`         | Di chuyển dữ liệu từ phiên bản cũ |
 | `picoclaw auth login`      | Xác thực với nhà cung cấp     |
+| `picoclaw model`           | Xem hoặc chuyển đổi model mặc định |
 
 ### Tác vụ định kỳ / Nhắc nhở
 
diff --git a/README.zh.md b/README.zh.md
index 94ed129e5..98f913664 100644
--- a/README.zh.md
+++ b/README.zh.md
@@ -140,7 +140,7 @@ PicoClaw 可以将你 10 年前的老旧手机废物利用，变身成为你的
 wget https://github.com/sipeed/picoclaw/releases/latest/download/picoclaw_Linux_arm64.tar.gz
 tar xzf picoclaw_Linux_arm64.tar.gz
 pkg install proot
-termux-chroot ./picoclaw onboard
+termux-chroot ./picoclaw onboard   # chroot 提供标准 Linux 文件系统布局
 ```
 
 然后跟随下面的"快速开始"章节继续配置 PicoClaw 即可使用！
@@ -227,6 +227,7 @@ make install
 | `picoclaw skills install` | 安装技能                |
 | `picoclaw migrate`        | 从旧版本迁移数据         |
 | `picoclaw auth login`     | 认证提供商               |
+| `picoclaw model`          | 查看或切换默认模型 |
 
 ### 定时任务 / 提醒
 
diff --git a/docs/docker.md b/docs/docker.md
index b91a7f68d..f868d4a42 100644
--- a/docs/docker.md
+++ b/docs/docker.md
@@ -12,6 +12,7 @@ git clone https://github.com/sipeed/picoclaw.git
 cd picoclaw
 
 # 2. First run — auto-generates docker/data/config.json then exits
+#    (only triggers when both config.json and workspace/ are missing)
 docker compose -f docker/docker-compose.yml --profile gateway up
 # The container prints "First-run setup complete." and stops.
 
diff --git a/docs/fr/configuration.md b/docs/fr/configuration.md
index ef02acf8a..d56da2cad 100644
--- a/docs/fr/configuration.md
+++ b/docs/fr/configuration.md
@@ -56,7 +56,7 @@ Par défaut, les compétences sont chargées depuis :
 
 1. `~/.picoclaw/workspace/skills` (workspace)
 2. `~/.picoclaw/skills` (global)
-3. `<current-working-directory>/skills` (builtin)
+3. `<chemin-intégré-à-la-compilation>/skills` (intégré)
 
 Pour les configurations avancées/de test, vous pouvez remplacer la racine des compétences builtin avec :
 
diff --git a/docs/fr/docker.md b/docs/fr/docker.md
index f17ec355d..432edb1b2 100644
--- a/docs/fr/docker.md
+++ b/docs/fr/docker.md
@@ -12,6 +12,7 @@ git clone https://github.com/sipeed/picoclaw.git
 cd picoclaw
 
 # 2. Premier lancement — génère automatiquement docker/data/config.json puis s'arrête
+#    (se déclenche uniquement quand config.json et workspace/ sont tous deux absents)
 docker compose -f docker/docker-compose.yml --profile gateway up
 # Le conteneur affiche "First-run setup complete." et s'arrête.
 
diff --git a/docs/ja/configuration.md b/docs/ja/configuration.md
index c0f68f85b..215b35d54 100644
--- a/docs/ja/configuration.md
+++ b/docs/ja/configuration.md
@@ -57,7 +57,7 @@ PicoClaw は設定されたワークスペース（デフォルト: `~/.picoclaw
 
 1. `~/.picoclaw/workspace/skills`（ワークスペース）
 2. `~/.picoclaw/skills`（グローバル）
-3. `<current-working-directory>/skills`（ビルトイン）
+3. `<ビルド時埋め込みパス>/skills`（ビルトイン）
 
 高度な/テスト用セットアップでは、以下の環境変数でビルトインスキルのルートを上書きできます：
 
diff --git a/docs/ja/docker.md b/docs/ja/docker.md
index 6ad55d41d..31ed17ec5 100644
--- a/docs/ja/docker.md
+++ b/docs/ja/docker.md
@@ -12,6 +12,7 @@ git clone https://github.com/sipeed/picoclaw.git
 cd picoclaw
 
 # 2. 初回実行 — docker/data/config.json を自動生成して終了
+#    （config.json と workspace/ の両方が存在しない場合のみ実行）
 docker compose -f docker/docker-compose.yml --profile gateway up
 # コンテナが "First-run setup complete." と表示して停止します
 
diff --git a/docs/pt-br/configuration.md b/docs/pt-br/configuration.md
index e7e2c7ec0..ee14ca724 100644
--- a/docs/pt-br/configuration.md
+++ b/docs/pt-br/configuration.md
@@ -57,7 +57,7 @@ Por padrão, as skills são carregadas de:
 
 1. `~/.picoclaw/workspace/skills` (workspace)
 2. `~/.picoclaw/skills` (global)
-3. `<current-working-directory>/skills` (builtin)
+3. `<caminho-embutido-na-compilação>/skills` (embutido)
 
 Para configurações avançadas/de teste, você pode substituir o diretório raiz de skills builtin com:
 
diff --git a/docs/pt-br/docker.md b/docs/pt-br/docker.md
index af58c89b2..bac48954b 100644
--- a/docs/pt-br/docker.md
+++ b/docs/pt-br/docker.md
@@ -12,6 +12,7 @@ git clone https://github.com/sipeed/picoclaw.git
 cd picoclaw
 
 # 2. Primeira execução — gera automaticamente docker/data/config.json e encerra
+#    (só é acionado quando config.json e workspace/ estão ambos ausentes)
 docker compose -f docker/docker-compose.yml --profile gateway up
 # O contêiner exibe "First-run setup complete." e para.
 
diff --git a/docs/vi/configuration.md b/docs/vi/configuration.md
index 847f28e60..a21929359 100644
--- a/docs/vi/configuration.md
+++ b/docs/vi/configuration.md
@@ -57,7 +57,7 @@ Mặc định, skill được tải từ:
 
 1. `~/.picoclaw/workspace/skills` (workspace)
 2. `~/.picoclaw/skills` (global)
-3. `<current-working-directory>/skills` (builtin)
+3. `<đường-dẫn-nhúng-khi-build>/skills` (tích hợp)
 
 Cho thiết lập nâng cao/test, bạn có thể ghi đè thư mục gốc skill builtin với:
 
diff --git a/docs/vi/docker.md b/docs/vi/docker.md
index 519ace5ba..eddc20a75 100644
--- a/docs/vi/docker.md
+++ b/docs/vi/docker.md
@@ -12,6 +12,7 @@ git clone https://github.com/sipeed/picoclaw.git
 cd picoclaw
 
 # 2. Lần chạy đầu tiên — tự động tạo docker/data/config.json rồi thoát
+#    (chỉ kích hoạt khi cả config.json và workspace/ đều không tồn tại)
 docker compose -f docker/docker-compose.yml --profile gateway up
 # Container hiển thị "First-run setup complete." và dừng lại.
 
diff --git a/docs/zh/configuration.md b/docs/zh/configuration.md
index a2bf8fce2..68fb1fd1a 100644
--- a/docs/zh/configuration.md
+++ b/docs/zh/configuration.md
@@ -57,7 +57,7 @@ PicoClaw 将数据存储在您配置的工作区中（默认：`~/.picoclaw/work
 
 1. `~/.picoclaw/workspace/skills`（工作区）
 2. `~/.picoclaw/skills`（全局）
-3. `<current-working-directory>/skills`（内置）
+3. `<构建时嵌入路径>/skills`（内置）
 
 在高级/测试场景下，可通过以下环境变量覆盖内置技能目录：
 
diff --git a/docs/zh/docker.md b/docs/zh/docker.md
index d2e582d12..10bc46544 100644
--- a/docs/zh/docker.md
+++ b/docs/zh/docker.md
@@ -12,6 +12,7 @@ git clone https://github.com/sipeed/picoclaw.git
 cd picoclaw
 
 # 2. 首次运行 — 自动生成 docker/data/config.json 后退出
+#    （仅在 config.json 和 workspace/ 都不存在时触发）
 docker compose -f docker/docker-compose.yml --profile gateway up
 # 容器打印 "First-run setup complete." 后自动停止