feat: phase 3 - field-level permissions with plugin field definitions, service-layer filtering, 20 core field definitions

app/main.py

@@ -177,6 +177,16 @@ async def lifespan(app: FastAPI):
     init_permission_registry(active_plugin_names)
     logger.info("Permission registry initialized with %d active plugins", len(active_plugin_names))
 
+    # Register field definitions from active plugins
+    from app.core.permission_registry import get_permission_registry
+    for name in registry._plugins:
+        plugin = registry.get_plugin(name)
+        if plugin:
+            field_defs = plugin.get_field_definitions()
+            if field_defs:
+                get_permission_registry().register_field_definitions(name, field_defs)
+    logger.info("Field definitions registered for %d plugins", len(registry._plugins))
+
     # Seed default data (EUR currency, 19%/7% tax rates) for all tenants
     from app.core.seeds import seed_default_data