feat: funciones Python para API Metabase

Añade módulo Python con funciones para la API de Metabase en dominio infra.
Incluye cliente HTTP, auth, y CRUD de cards, dashboards y users.
Proyecto gestionado con uv (pyproject.toml).

python/functions/metabase/metabase_update_card.md

@@ -0,0 +1,31 @@
+---
+name: metabase_update_card
+kind: function
+lang: py
+domain: infra
+version: "1.0.0"
+purity: impure
+signature: "def metabase_update_card(client: MetabaseClient, card_id: int, **fields) -> dict"
+description: "Actualiza campos de una card/pregunta via kwargs. Campos: name, description, display, dataset_query, collection_id, archived. Endpoint: PUT /api/card/:id."
+tags: [metabase, card, question, update, api, python]
+uses_functions: []
+uses_types: []
+returns: []
+returns_optional: false
+error_type: "error_go_core"
+imports: [httpx]
+tested: false
+tests: []
+test_file_path: ""
+file_path: "python/functions/metabase/cards.py"
+---
+
+## Ejemplo
+
+```python
+metabase_update_card(client, 42, name="New Name", archived=True)
+```
+
+## Notas
+
+Soft-delete con `archived=True`. Para delete permanente usar metabase_delete_card.