feat(storage): add generic object storage adapter with CQRS traits, key validation, StorageConfig, and cargo-generate integration

crates/presentation/src/state.rs.liquid

@@ -0,0 +1,28 @@
+use std::sync::Arc;
+use application::use_cases::{GetProfile, LoginUser, RegisterUser};
+{% if storage %}
+use domain::ports::{StoragePort, TokenIssuer};
+{% else %}
+use domain::ports::TokenIssuer;
+{% endif %}
+
+#[derive(Clone)]
+pub struct AppState {
+    pub register_uc: Arc<RegisterUser>,
+    pub login_uc: Arc<LoginUser>,
+    pub get_profile_uc: Arc<GetProfile>,
+    pub token_issuer: Arc<dyn TokenIssuer>,
+    {% if storage %}pub storage: Arc<dyn StoragePort>,{% endif %}
+}
+
+impl AppState {
+    pub fn new(
+        register_uc: Arc<RegisterUser>,
+        login_uc: Arc<LoginUser>,
+        get_profile_uc: Arc<GetProfile>,
+        token_issuer: Arc<dyn TokenIssuer>,
+        {% if storage %}storage: Arc<dyn StoragePort>,{% endif %}
+    ) -> Self {
+        Self { register_uc, login_uc, get_profile_uc, token_issuer{% if storage %}, storage{% endif %} }
+    }
+}