add extensions settings page and context panel widget (#8540)

Signed-off-by: morgmart <98432065+morgmart@users.noreply.github.com>

ui/goose2/src/shared/i18n/locales/en/chat.json

@@ -46,7 +46,8 @@
       "folderNotSet": "Folder not set",
       "noChanges": "No uncommitted changes",
       "noProjectAssigned": "No project assigned.",
-      "noServersConfigured": "No servers configured"
+      "noExtensions": "No extensions enabled",
+      "noMatchingExtensions": "No matching extensions"
     },
     "errors": {
       "gitRead": "Unable to read git status."
@@ -89,7 +90,8 @@
       "artifacts": "Artifacts",
       "changes": "Changes",
       "changesOnBranch": "on",
-      "mcpServers": "MCP Servers",
+      "extensions": "Extensions",
+      "searchExtensions": "Search extensions...",
       "workspace": "Workspace"
     }
   },

ui/goose2/src/shared/i18n/locales/en/settings.json

@@ -55,6 +55,54 @@
     "description": "Are you sure you want to permanently delete \"{{name}}\"? This cannot be undone.",
     "title": "Delete project permanently?"
   },
+  "extensions": {
+    "title": "Extensions",
+    "description": "Manage MCP extensions that add tools and capabilities to Goose.",
+    "search": "Search extensions...",
+    "enabled": "Enabled",
+    "enabledCount": "Enabled ({{count}})",
+    "available": "Available",
+    "availableCount": "Available ({{count}})",
+    "empty": "No extensions configured.",
+    "noResults": "No extensions match your search.",
+    "addExtension": "Add Extension",
+    "editExtension": "Edit Extension",
+    "deleteExtension": "Delete Extension",
+    "toggle": "Toggle {{name}}",
+    "configure": "Configure {{name}}",
+    "save": "Save",
+    "cancel": "Cancel",
+    "fields": {
+      "name": "Name",
+      "namePlaceholder": "my-extension",
+      "type": "Type",
+      "command": "Command",
+      "commandPlaceholder": "npx",
+      "arguments": "Arguments",
+      "argumentsPlaceholder": "One argument per line",
+      "url": "URL",
+      "urlPlaceholder": "http://localhost:3000/mcp",
+      "description": "Description",
+      "descriptionPlaceholder": "What does this extension do?",
+      "timeout": "Timeout (seconds)",
+      "envVars": "Environment Variables",
+      "envKeyPlaceholder": "KEY",
+      "envValuePlaceholder": "value",
+      "addEnvVar": "Add variable",
+      "removeEnvVar": "Remove variable"
+    },
+    "types": {
+      "stdio": "Stdio",
+      "streamable_http": "HTTP",
+      "builtin": "Built-in"
+    },
+    "errors": {
+      "toggleFailed": "Failed to toggle extension. Please try again.",
+      "saveFailed": "Failed to save extension. Please try again.",
+      "deleteFailed": "Failed to delete extension. Please try again.",
+      "nameConflict": "An extension named \"{{name}}\" already exists."
+    }
+  },
   "doctor": {
     "agents": "Agents",
     "copied": "Copied",
@@ -85,6 +133,7 @@
     "doctor": "Doctor",
     "general": "General",
     "projects": "Projects",
+    "extensions": "Extensions",
     "providers": "Providers"
   },
   "projects": {

ui/goose2/src/shared/i18n/locales/es/chat.json

@@ -46,7 +46,8 @@
       "folderNotSet": "Carpeta no configurada",
       "noChanges": "No hay cambios sin confirmar",
       "noProjectAssigned": "No hay proyecto asignado.",
-      "noServersConfigured": "No hay servidores configurados"
+      "noExtensions": "No hay extensiones habilitadas",
+      "noMatchingExtensions": "No hay extensiones que coincidan"
     },
     "errors": {
       "gitRead": "No se pudo leer el estado de git."
@@ -89,7 +90,8 @@
       "artifacts": "Artefactos",
       "changes": "Cambios",
       "changesOnBranch": "en",
-      "mcpServers": "Servidores MCP",
+      "extensions": "Extensiones",
+      "searchExtensions": "Buscar extensiones...",
       "workspace": "Espacio de trabajo"
     }
   },

ui/goose2/src/shared/i18n/locales/es/settings.json

@@ -55,6 +55,54 @@
     "description": "¿Seguro que quieres eliminar permanentemente \"{{name}}\"? Esta acción no se puede deshacer.",
     "title": "¿Eliminar el proyecto de forma permanente?"
   },
+  "extensions": {
+    "title": "Extensiones",
+    "description": "Administra las extensiones MCP que agregan herramientas y capacidades a Goose.",
+    "search": "Buscar extensiones...",
+    "enabled": "Habilitadas",
+    "enabledCount": "Habilitadas ({{count}})",
+    "available": "Disponibles",
+    "availableCount": "Disponibles ({{count}})",
+    "empty": "No hay extensiones configuradas.",
+    "noResults": "Ninguna extensión coincide con tu búsqueda.",
+    "addExtension": "Agregar extensión",
+    "editExtension": "Editar extensión",
+    "deleteExtension": "Eliminar extensión",
+    "toggle": "Activar/desactivar {{name}}",
+    "configure": "Configurar {{name}}",
+    "save": "Guardar",
+    "cancel": "Cancelar",
+    "fields": {
+      "name": "Nombre",
+      "namePlaceholder": "mi-extension",
+      "type": "Tipo",
+      "command": "Comando",
+      "commandPlaceholder": "npx",
+      "arguments": "Argumentos",
+      "argumentsPlaceholder": "Un argumento por línea",
+      "url": "URL",
+      "urlPlaceholder": "http://localhost:3000/mcp",
+      "description": "Descripción",
+      "descriptionPlaceholder": "¿Qué hace esta extensión?",
+      "timeout": "Tiempo de espera (segundos)",
+      "envVars": "Variables de entorno",
+      "envKeyPlaceholder": "CLAVE",
+      "envValuePlaceholder": "valor",
+      "addEnvVar": "Agregar variable",
+      "removeEnvVar": "Eliminar variable"
+    },
+    "types": {
+      "stdio": "Stdio",
+      "streamable_http": "HTTP",
+      "builtin": "Integrada"
+    },
+    "errors": {
+      "toggleFailed": "Error al cambiar la extensión. Inténtalo de nuevo.",
+      "saveFailed": "Error al guardar la extensión. Inténtalo de nuevo.",
+      "deleteFailed": "Error al eliminar la extensión. Inténtalo de nuevo.",
+      "nameConflict": "Ya existe una extensión llamada \"{{name}}\"."
+    }
+  },
   "doctor": {
     "agents": "Agentes",
     "copied": "Copiado",
@@ -85,6 +133,7 @@
     "doctor": "Diagnóstico",
     "general": "General",
     "projects": "Proyectos",
+    "extensions": "Extensiones",
     "providers": "Proveedores"
   },
   "projects": {