overhaul provider inventory and agent/model selection (#8652)

Signed-off-by: Bradley Axen <baxen@squareup.com>

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

@@ -163,7 +163,14 @@
     "createProject": "Create project",
     "generalChatWithoutProject": "General chat without project context",
     "loading": "Loading...",
+    "loadingModels": "Loading models...",
     "model": "Model",
+    "allModels": "All models",
+    "searchModels": "Search models...",
+    "recommended": "Recommended",
+    "noModelsAvailable": "No models available",
+    "noSearchResults": "No matching models",
+    "showAllModels": "Browse all models",
     "noProject": "No project",
     "selectModel": "Select model",
     "selectProject": "Select project",

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

@@ -163,7 +163,14 @@
     "createProject": "Crear proyecto",
     "generalChatWithoutProject": "Chat general sin contexto de proyecto",
     "loading": "Cargando...",
+    "loadingModels": "Cargando modelos...",
     "model": "Modelo",
+    "allModels": "Todos los modelos",
+    "searchModels": "Buscar modelos...",
+    "recommended": "Recomendados",
+    "noModelsAvailable": "No hay modelos disponibles",
+    "noSearchResults": "Sin resultados",
+    "showAllModels": "Ver todos los modelos",
     "noProject": "Sin proyecto",
     "selectModel": "Seleccionar modelo",
     "selectProject": "Seleccionar proyecto",