feat(presentation): wire SearchPort, /search returns thoughts + users

crates/presentation/src/lib.rs

@@ -7,6 +7,7 @@ pub mod state;
 use std::sync::Arc;
 use sqlx::PgPool;
 use state::AppState;
+use postgres_search::PgSearchRepository;
 
 use async_trait::async_trait;
 use domain::{errors::DomainError, events::DomainEvent, ports::EventPublisher};
@@ -34,6 +35,7 @@ pub fn build_state(pool: PgPool, jwt_secret: String) -> AppState {
         notifications: Arc::new(postgres::notification::PgNotificationRepository::new(pool.clone())),
         remote_actors: Arc::new(postgres::remote_actor::PgRemoteActorRepository::new(pool.clone())),
         feed:          Arc::new(postgres::feed::PgFeedRepository::new(pool.clone())),
+        search:        Arc::new(PgSearchRepository::new(pool.clone())),
         auth:          Arc::new(auth::JwtAuthService::new(jwt_secret, 86400 * 30)),
         hasher:        Arc::new(auth::Argon2PasswordHasher),
         events:        Arc::new(NoOpEventPublisher),