feat(#131): fiches parent/AM éditable, placement AM↔enfant, statuts garde/sans_garde

Squash merge develop → master.

- Fiche parent éditable (co-parent, PATCH fiche, GET /parents)
- Fiche AM 3 onglets (PATCH fiche, rattacher/détacher enfants)
- Table enfants_assistantes_maternelles + enum garde/sans_garde
- Migration SQL + BDD.sql canonique
- Correctifs recette : @Get() parents, DTO fiche AM, fix NIR

Co-authored-by: Cursor <cursoragent@cursor.com>

database/docker-compose.dev.yml

@@ -14,9 +14,8 @@ services:
     ports:
       - "5433:5432"
     volumes:
-    - ./migrations/01_init.sql:/docker-entrypoint-initdb.d/01_init.sql
-    - ./migrations/07_import.sql:/docker-entrypoint-initdb.d/07_import.sql
-    - ./bdd/data_test:/bdd/data_test
+    - ./BDD.sql:/docker-entrypoint-initdb.d/01_init.sql
+    - ./seed/03_seed_test_data.sql:/docker-entrypoint-initdb.d/02_seed_test_data.sql
     - postgres_standalone_data:/var/lib/postgresql/data
     networks:
       - ptitspas_dev