refactor: remaining MEDIUM — CQRS splits, DI Deps, profile dedup, event Value, response enum

M1: MovieRepository→MovieCommand/MovieQuery, WatchEventRepository→
WatchEventCommand/WatchEventQuery
M2: goals/ and import/ use Deps structs
M7: extract upload_image helper in update_profile
M8: FederationDeliveryRequested activity_json String→serde_json::Value
M11: UserProfileResponse uses ProfileViewData enum

crates/application/src/import/tests/create_session.rs

@@ -4,6 +4,7 @@ use uuid::Uuid;
 
 use domain::testing::InMemoryImportSessionRepository;
 
+use crate::import::deps::CreateSessionDeps;
 use crate::import::{commands::CreateImportSessionCommand, create_session};
 use crate::test_helpers::TestContextBuilder;
 
@@ -12,9 +13,13 @@ async fn creates_session_with_parsed_file() {
     let sessions = InMemoryImportSessionRepository::new();
     let b = TestContextBuilder::new();
 
+    let deps = CreateSessionDeps {
+        import_session: Arc::clone(&sessions) as _,
+        document_parser: b.document_parser.clone(),
+    };
+
     let result = create_session::execute(
-        Arc::clone(&sessions) as _,
-        b.document_parser.clone(),
+        &deps,
         CreateImportSessionCommand {
             user_id: Uuid::new_v4(),
             bytes: b"col1\nval1".to_vec(),