refactor (v2): better arch

Co-authored-by: Copilot <copilot@github.com>

crates/application/src/notes/queries.rs

@@ -0,0 +1,33 @@
+use uuid::Uuid;
+
+use domain::note::entity::NoteFilter;
+
+/// Query to list a user's notes.
+/// Provide either `filter.tag_id` (already resolved) **or** `tag_name`
+/// (the use case will resolve it). `tag_name` takes precedence.
+pub struct ListNotesQuery {
+    pub user_id: Uuid,
+    pub filter: NoteFilter,
+    /// If set, resolves the tag by name before applying the filter.
+    pub tag_name: Option<String>,
+}
+
+pub struct GetNoteQuery {
+    pub note_id: Uuid,
+    pub user_id: Uuid,
+}
+
+pub struct SearchNotesQuery {
+    pub user_id: Uuid,
+    pub query: String,
+}
+
+pub struct GetVersionsQuery {
+    pub note_id: Uuid,
+    pub user_id: Uuid,
+}
+
+pub struct GetRelatedQuery {
+    pub note_id: Uuid,
+    pub user_id: Uuid,
+}