feat(opencode): Phase 10 - Internationalization for OpenCode

Update i18n translation files (zh.json, en.json, ja.json):

- Add "opencode" to apps section: "OpenCode"
- Add provider section keys:
  - addOpenCodeProvider: Add OpenCode Provider
  - addToConfig: Add (for additive mode button)
  - removeFromConfig: Remove
  - inConfig: Added
- Add new "opencode" section with UI labels:
  - npmPackage: AI SDK Package
  - npmPackageHint: Package selection hint
  - baseUrl, baseUrlHint: Base URL configuration
  - models, modelsHint: Model configuration
  - addModel, modelId, modelName: Model editor labels
  - noModels: Empty state message
- Add "opencode" to mcp.unifiedPanel.apps section
- Add "opencode" to skills.apps section

src/i18n/locales/en.json

@@ -84,6 +84,10 @@
     "addClaudeProvider": "Add Claude Code Provider",
     "addCodexProvider": "Add Codex Provider",
     "addGeminiProvider": "Add Gemini Provider",
+    "addOpenCodeProvider": "Add OpenCode Provider",
+    "addToConfig": "Add",
+    "removeFromConfig": "Remove",
+    "inConfig": "Added",
     "addProviderHint": "Fill in the information to quickly switch providers in the list.",
     "editClaudeProvider": "Edit Claude Code Provider",
     "editCodexProvider": "Edit Codex Provider",
@@ -304,7 +308,8 @@
   "apps": {
     "claude": "Claude Code",
     "codex": "Codex",
-    "gemini": "Gemini"
+    "gemini": "Gemini",
+    "opencode": "OpenCode"
   },
   "console": {
     "providerSwitchReceived": "Received provider switch event:",
@@ -455,6 +460,18 @@
     "configMergeFailed": "Config merge failed: {{error}}",
     "configReplaceFailed": "Config replace failed: {{error}}"
   },
+  "opencode": {
+    "npmPackage": "AI SDK Package",
+    "npmPackageHint": "Select the npm package for communicating with the AI service",
+    "baseUrl": "Base URL",
+    "baseUrlHint": "Custom API endpoint URL",
+    "models": "Models",
+    "modelsHint": "Configure available models and their display names",
+    "addModel": "Add Model",
+    "modelId": "Model ID",
+    "modelName": "Display Name",
+    "noModels": "No models configured"
+  },
   "providerPreset": {
     "label": "Provider Preset",
     "custom": "Custom Configuration",
@@ -634,7 +651,8 @@
       "apps": {
         "claude": "Claude",
         "codex": "Codex",
-        "gemini": "Gemini"
+        "gemini": "Gemini",
+        "opencode": "OpenCode"
       }
     },
     "userLevelPath": "User-level MCP path",
@@ -942,7 +960,8 @@
     "apps": {
       "claude": "Claude",
       "codex": "Codex",
-      "gemini": "Gemini"
+      "gemini": "Gemini",
+      "opencode": "OpenCode"
     }
   },
   "deeplink": {

src/i18n/locales/ja.json

@@ -84,6 +84,10 @@
     "addClaudeProvider": "Claude Code プロバイダーを追加",
     "addCodexProvider": "Codex プロバイダーを追加",
     "addGeminiProvider": "Gemini プロバイダーを追加",
+    "addOpenCodeProvider": "OpenCode プロバイダーを追加",
+    "addToConfig": "追加",
+    "removeFromConfig": "削除",
+    "inConfig": "追加済み",
     "addProviderHint": "一覧にすばやく切り替えられるよう、ここに情報を入力してください。",
     "editClaudeProvider": "Claude Code プロバイダーを編集",
     "editCodexProvider": "Codex プロバイダーを編集",
@@ -304,7 +308,8 @@
   "apps": {
     "claude": "Claude Code",
     "codex": "Codex",
-    "gemini": "Gemini"
+    "gemini": "Gemini",
+    "opencode": "OpenCode"
   },
   "console": {
     "providerSwitchReceived": "プロバイダー切り替えイベントを受信:",
@@ -455,6 +460,18 @@
     "configMergeFailed": "設定のマージに失敗しました: {{error}}",
     "configReplaceFailed": "設定の置換に失敗しました: {{error}}"
   },
+  "opencode": {
+    "npmPackage": "AI SDK パッケージ",
+    "npmPackageHint": "AI サービスとの通信に使用する npm パッケージを選択",
+    "baseUrl": "Base URL",
+    "baseUrlHint": "カスタム API エンドポイント URL",
+    "models": "モデル設定",
+    "modelsHint": "利用可能なモデルとその表示名を設定",
+    "addModel": "モデルを追加",
+    "modelId": "モデル ID",
+    "modelName": "表示名",
+    "noModels": "モデルが設定されていません"
+  },
   "providerPreset": {
     "label": "プロバイダータイプ",
     "custom": "カスタム設定",
@@ -634,7 +651,8 @@
       "apps": {
         "claude": "Claude",
         "codex": "Codex",
-        "gemini": "Gemini"
+        "gemini": "Gemini",
+        "opencode": "OpenCode"
       }
     },
     "userLevelPath": "ユーザーレベルの MCP パス",
@@ -942,7 +960,8 @@
     "apps": {
       "claude": "Claude",
       "codex": "Codex",
-      "gemini": "Gemini"
+      "gemini": "Gemini",
+      "opencode": "OpenCode"
     }
   },
   "deeplink": {

src/i18n/locales/zh.json

@@ -84,6 +84,10 @@
     "addClaudeProvider": "添加 Claude Code 供应商",
     "addCodexProvider": "添加 Codex 供应商",
     "addGeminiProvider": "添加 Gemini 供应商",
+    "addOpenCodeProvider": "添加 OpenCode 供应商",
+    "addToConfig": "添加",
+    "removeFromConfig": "移除",
+    "inConfig": "已添加",
     "addProviderHint": "填写信息后即可在列表中快速切换供应商。",
     "editClaudeProvider": "编辑 Claude Code 供应商",
     "editCodexProvider": "编辑 Codex 供应商",
@@ -304,7 +308,8 @@
   "apps": {
     "claude": "Claude Code",
     "codex": "Codex",
-    "gemini": "Gemini"
+    "gemini": "Gemini",
+    "opencode": "OpenCode"
   },
   "console": {
     "providerSwitchReceived": "收到供应商切换事件:",
@@ -455,6 +460,18 @@
     "configMergeFailed": "配置合并失败: {{error}}",
     "configReplaceFailed": "配置替换失败: {{error}}"
   },
+  "opencode": {
+    "npmPackage": "AI SDK 包",
+    "npmPackageHint": "选择用于与 AI 服务通信的 npm 包",
+    "baseUrl": "Base URL",
+    "baseUrlHint": "自定义 API 端点地址",
+    "models": "模型配置",
+    "modelsHint": "配置可用的模型及其显示名称",
+    "addModel": "添加模型",
+    "modelId": "模型 ID",
+    "modelName": "显示名称",
+    "noModels": "暂无模型配置"
+  },
   "providerPreset": {
     "label": "预设供应商",
     "custom": "自定义配置",
@@ -634,7 +651,8 @@
       "apps": {
         "claude": "Claude",
         "codex": "Codex",
-        "gemini": "Gemini"
+        "gemini": "Gemini",
+        "opencode": "OpenCode"
       }
     },
     "userLevelPath": "用户级 MCP 配置路径",
@@ -942,7 +960,8 @@
     "apps": {
       "claude": "Claude",
       "codex": "Codex",
-      "gemini": "Gemini"
+      "gemini": "Gemini",
+      "opencode": "OpenCode"
     }
   },
   "deeplink": {