refactor: LOW+MEDIUM cleanups — CQRS DiaryQuery/GoalCommand+GoalQuery,

test-helpers out of production, decompose get_user_profile_html,
dedup secure_flag, remove vestigial social_query, drop
PersistedImportSession, LoginCommand rename, DeleteAccountDeps,
PersonId macro, ReviewSortBy rename, TUI Command for fs::read,
generic PaginatedResponse<T>, noop ports for production fallbacks

crates/domain/src/ports/goals.rs

@@ -7,10 +7,14 @@ use crate::{
 };
 
 #[async_trait]
-pub trait GoalRepository: Send + Sync {
+pub trait GoalCommand: Send + Sync {
     async fn save(&self, goal: &Goal) -> Result<(), DomainError>;
     async fn update(&self, goal: &Goal) -> Result<(), DomainError>;
     async fn delete(&self, id: &GoalId, user_id: &UserId) -> Result<(), DomainError>;
+}
+
+#[async_trait]
+pub trait GoalQuery: Send + Sync {
     async fn find_by_user_and_year(
         &self,
         user_id: &UserId,