feat: implement federated profile handling with support for remote actor URLs across multiple components

crates/adapters/postgres-federation/src/federated_profile.rs

@@ -0,0 +1,58 @@
+use async_trait::async_trait;
+use domain::{errors::DomainError, models::FederatedProfile, ports::FederatedProfileQuery};
+use sqlx::Row;
+
+use super::PostgresFederationRepository;
+
+#[async_trait]
+impl FederatedProfileQuery for PostgresFederationRepository {
+    async fn get_federated_profile(
+        &self,
+        synthetic_user_id: uuid::Uuid,
+    ) -> Result<Option<FederatedProfile>, DomainError> {
+        let uid = synthetic_user_id.to_string();
+
+        let actor_url: Option<String> = sqlx::query_scalar(
+            "SELECT remote_actor_url FROM reviews
+             WHERE user_id = $1 AND remote_actor_url IS NOT NULL
+             LIMIT 1",
+        )
+        .bind(&uid)
+        .fetch_optional(&self.pool)
+        .await
+        .map_err(|e| DomainError::InfrastructureError(e.to_string()))?;
+
+        let actor_url = match actor_url {
+            Some(url) => url,
+            None => return Ok(None),
+        };
+
+        let row = sqlx::query(
+            "SELECT handle, display_name, bio, avatar_url, banner_url
+             FROM ap_remote_actors WHERE url = $1",
+        )
+        .bind(&actor_url)
+        .fetch_optional(&self.pool)
+        .await
+        .map_err(|e| DomainError::InfrastructureError(e.to_string()))?;
+
+        match row {
+            Some(r) => Ok(Some(FederatedProfile {
+                actor_url,
+                handle: r.get("handle"),
+                display_name: r.try_get("display_name").ok().flatten(),
+                bio: r.try_get("bio").ok().flatten(),
+                avatar_url: r.try_get("avatar_url").ok().flatten(),
+                banner_url: r.try_get("banner_url").ok().flatten(),
+            })),
+            None => Ok(Some(FederatedProfile {
+                handle: actor_url.clone(),
+                actor_url,
+                display_name: None,
+                bio: None,
+                avatar_url: None,
+                banner_url: None,
+            })),
+        }
+    }
+}

crates/adapters/postgres-federation/src/lib.rs

@@ -2,6 +2,7 @@ mod activity;
 mod actor;
 pub mod ap_content;
 mod blocklist;
+mod federated_profile;
 mod follow;
 pub mod remote_goals;
 mod review;
@@ -75,6 +76,12 @@ impl PostgresFederationRepository {
     }
 }
 
+pub fn create_federated_profile_query(
+    pool: PgPool,
+) -> std::sync::Arc<dyn domain::ports::FederatedProfileQuery> {
+    std::sync::Arc::new(PostgresFederationRepository::new(pool))
+}
+
 pub fn wire(pool: PgPool) -> activitypub::FederationRepos {
     let fed = std::sync::Arc::new(PostgresFederationRepository::new(pool));
     (

crates/adapters/postgres/src/diary.rs

@@ -114,19 +114,24 @@ impl PostgresDiaryRepository {
         &self,
         user_id: &str,
         search: Option<&str>,
+        include_remote: bool,
     ) -> Result<i64, DomainError> {
         let has_search = search.map(|s| !s.is_empty()).unwrap_or(false);
-        let sql = if has_search {
-            "SELECT COUNT(*) FROM reviews r
-             INNER JOIN movies m ON m.id = r.movie_id
-             WHERE r.user_id = $1 AND m.title ILIKE '%' || $2 || '%'"
-                .to_string()
+        let remote_clause = if include_remote {
+            ""
         } else {
+            " AND r.remote_actor_url IS NULL"
+        };
+        let search_clause = if has_search {
+            " AND m.title ILIKE '%' || $2 || '%'"
+        } else {
+            ""
+        };
+        let sql = format!(
             "SELECT COUNT(*) FROM reviews r
              INNER JOIN movies m ON m.id = r.movie_id
-             WHERE r.user_id = $1"
-                .to_string()
-        };
+             WHERE r.user_id = $1{remote_clause}{search_clause}"
+        );
         let mut q = sqlx::query_scalar::<_, i64>(&sql).bind(user_id);
         if has_search {
             q = q.bind(search.unwrap());
@@ -139,6 +144,7 @@ impl PostgresDiaryRepository {
         user_id: &str,
         sort: &SortDirection,
         search: Option<&str>,
+        include_remote: bool,
         limit: i64,
         offset: i64,
     ) -> Result<Vec<DiaryRow>, DomainError> {
@@ -149,9 +155,13 @@ impl PostgresDiaryRepository {
             SortDirection::Ascending => "r.watched_at ASC",
             SortDirection::Descending => "r.watched_at DESC",
         };
+        let remote_clause = if include_remote {
+            ""
+        } else {
+            " AND r.remote_actor_url IS NULL"
+        };
 
-        // Build param counter: user_id=$1, optional search=$2, limit=$N-1, offset=$N
-        let mut p: i32 = 1; // $1 is user_id
+        let mut p: i32 = 1;
         let search_clause = if has_search {
             p += 1;
             format!(" AND m.title ILIKE '%' || ${} || '%'", p)
@@ -171,10 +181,9 @@ impl PostgresDiaryRepository {
                     r.remote_actor_url
              FROM reviews r
              INNER JOIN movies m ON m.id = r.movie_id
-             WHERE r.user_id = $1 AND r.remote_actor_url IS NULL{}
-             ORDER BY {}
-             LIMIT {} OFFSET {}",
-            search_clause, order_clause, limit_param, offset_param
+             WHERE r.user_id = $1{remote_clause}{search_clause}
+             ORDER BY {order_clause}
+             LIMIT {limit_param} OFFSET {offset_param}",
         );
 
         let mut q = sqlx::query_as::<_, DiaryRow>(&sql).bind(user_id);
@@ -213,9 +222,17 @@ impl DiaryRepository for PostgresDiaryRepository {
             (None, Some(uid)) => {
                 let uid_str = uid.value().to_string();
                 let search = filter.search.as_deref();
+                let inc = filter.include_remote;
                 tokio::try_join!(
-                    self.count_user_diary_entries(&uid_str, search),
-                    self.fetch_user_diary_rows(&uid_str, &filter.sort_by, search, limit, offset)
+                    self.count_user_diary_entries(&uid_str, search, inc),
+                    self.fetch_user_diary_rows(
+                        &uid_str,
+                        &filter.sort_by,
+                        search,
+                        inc,
+                        limit,
+                        offset
+                    )
                 )?
             }
             (Some(_), Some(_)) => {

crates/adapters/sqlite-federation/src/federated_profile.rs

@@ -0,0 +1,58 @@
+use async_trait::async_trait;
+use domain::{errors::DomainError, models::FederatedProfile, ports::FederatedProfileQuery};
+use sqlx::Row;
+
+use super::SqliteFederationRepository;
+
+#[async_trait]
+impl FederatedProfileQuery for SqliteFederationRepository {
+    async fn get_federated_profile(
+        &self,
+        synthetic_user_id: uuid::Uuid,
+    ) -> Result<Option<FederatedProfile>, DomainError> {
+        let uid = synthetic_user_id.to_string();
+
+        let actor_url: Option<String> = sqlx::query_scalar(
+            "SELECT remote_actor_url FROM reviews
+             WHERE user_id = ? AND remote_actor_url IS NOT NULL
+             LIMIT 1",
+        )
+        .bind(&uid)
+        .fetch_optional(&self.pool)
+        .await
+        .map_err(|e| DomainError::InfrastructureError(e.to_string()))?;
+
+        let actor_url = match actor_url {
+            Some(url) => url,
+            None => return Ok(None),
+        };
+
+        let row = sqlx::query(
+            "SELECT handle, display_name, bio, avatar_url, banner_url
+             FROM ap_remote_actors WHERE url = ?",
+        )
+        .bind(&actor_url)
+        .fetch_optional(&self.pool)
+        .await
+        .map_err(|e| DomainError::InfrastructureError(e.to_string()))?;
+
+        match row {
+            Some(r) => Ok(Some(FederatedProfile {
+                actor_url,
+                handle: r.get("handle"),
+                display_name: r.try_get("display_name").ok().flatten(),
+                bio: r.try_get("bio").ok().flatten(),
+                avatar_url: r.try_get("avatar_url").ok().flatten(),
+                banner_url: r.try_get("banner_url").ok().flatten(),
+            })),
+            None => Ok(Some(FederatedProfile {
+                handle: actor_url.clone(),
+                actor_url,
+                display_name: None,
+                bio: None,
+                avatar_url: None,
+                banner_url: None,
+            })),
+        }
+    }
+}

crates/adapters/sqlite-federation/src/lib.rs

@@ -1,13 +1,15 @@
 mod activity;
 mod actor;
-pub mod ap_content;
 mod blocklist;
+mod federated_profile;
 mod follow;
-pub mod remote_goals;
 mod review;
 mod social;
 mod watchlist;
 
+pub mod ap_content;
+pub mod remote_goals;
+
 pub use ap_content::SqliteApContentQuery;
 pub use remote_goals::SqliteRemoteGoalRepository;
 
@@ -86,6 +88,12 @@ impl SqliteFederationRepository {
     }
 }
 
+pub fn create_federated_profile_query(
+    pool: SqlitePool,
+) -> std::sync::Arc<dyn domain::ports::FederatedProfileQuery> {
+    std::sync::Arc::new(SqliteFederationRepository::new(pool))
+}
+
 pub fn wire(pool: SqlitePool) -> activitypub::FederationRepos {
     let fed = std::sync::Arc::new(SqliteFederationRepository::new(pool));
     (

crates/adapters/sqlite/src/diary.rs

@@ -108,19 +108,24 @@ impl SqliteDiaryRepository {
         &self,
         user_id: &str,
         search: Option<&str>,
+        include_remote: bool,
     ) -> Result<i64, DomainError> {
         let has_search = search.map(|s| !s.is_empty()).unwrap_or(false);
-        let sql = if has_search {
-            "SELECT COUNT(*) FROM reviews r
-             INNER JOIN movies m ON m.id = r.movie_id
-             WHERE r.user_id = ? AND m.title LIKE '%' || ? || '%'"
-                .to_string()
+        let remote_clause = if include_remote {
+            ""
         } else {
+            " AND r.remote_actor_url IS NULL"
+        };
+        let search_clause = if has_search {
+            " AND m.title LIKE '%' || ? || '%'"
+        } else {
+            ""
+        };
+        let sql = format!(
             "SELECT COUNT(*) FROM reviews r
              INNER JOIN movies m ON m.id = r.movie_id
-             WHERE r.user_id = ?"
-                .to_string()
-        };
+             WHERE r.user_id = ?{remote_clause}{search_clause}"
+        );
         let mut q = sqlx::query_scalar::<_, i64>(&sql).bind(user_id);
         if has_search {
             q = q.bind(search.unwrap());
@@ -133,10 +138,16 @@ impl SqliteDiaryRepository {
         user_id: &str,
         sort: &SortDirection,
         search: Option<&str>,
+        include_remote: bool,
         limit: i64,
         offset: i64,
     ) -> Result<Vec<DiaryRow>, DomainError> {
         let has_search = search.map(|s| !s.is_empty()).unwrap_or(false);
+        let remote_clause = if include_remote {
+            ""
+        } else {
+            " AND r.remote_actor_url IS NULL"
+        };
         let search_clause = if has_search {
             " AND m.title LIKE '%' || ? || '%'"
         } else {
@@ -153,10 +164,9 @@ impl SqliteDiaryRepository {
                     r.id AS review_id, r.movie_id, r.user_id, r.rating, r.comment, r.watched_at, r.created_at, r.remote_actor_url
              FROM reviews r
              INNER JOIN movies m ON m.id = r.movie_id
-             WHERE r.user_id = ? AND r.remote_actor_url IS NULL{}
-             ORDER BY {}
+             WHERE r.user_id = ?{remote_clause}{search_clause}
+             ORDER BY {order_clause}
              LIMIT ? OFFSET ?",
-            search_clause, order_clause
         );
         let mut q = sqlx::query_as::<_, DiaryRow>(&sql).bind(user_id);
         if has_search {
@@ -194,9 +204,17 @@ impl DiaryRepository for SqliteDiaryRepository {
             (None, Some(uid)) => {
                 let uid_str = uid.value().to_string();
                 let search = filter.search.as_deref();
+                let inc = filter.include_remote;
                 tokio::try_join!(
-                    self.count_user_diary_entries(&uid_str, search),
-                    self.fetch_user_diary_rows(&uid_str, &filter.sort_by, search, limit, offset)
+                    self.count_user_diary_entries(&uid_str, search, inc),
+                    self.fetch_user_diary_rows(
+                        &uid_str,
+                        &filter.sort_by,
+                        search,
+                        inc,
+                        limit,
+                        offset
+                    )
                 )?
             }
             (Some(_), Some(_)) => {

crates/api-types/src/users.rs

@@ -85,6 +85,16 @@ pub struct UserProfileResponse {
     pub trends: Option<UserTrendsDto>,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub goals: Option<Vec<GoalDto>>,
+    #[serde(default, skip_serializing_if = "std::ops::Not::not")]
+    pub is_federated: bool,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub handle: Option<String>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub display_name: Option<String>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub bio: Option<String>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub actor_url: Option<String>,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize, utoipa::ToSchema)]

crates/application/src/diary/get_diary.rs

@@ -26,6 +26,7 @@ pub async fn execute(
         movie_id,
         user_id,
         search: None,
+        include_remote: false,
     };
 
     diary.query_diary(&filter).await

crates/application/src/users/get_profile.rs

@@ -66,6 +66,7 @@ pub async fn execute(
                 query.limit,
                 query.offset,
                 query.search.clone(),
+                query.include_remote,
             )?;
             let entries = deps.diary.query_diary(&filter).await?;
             Ok(base(Some(entries), None, None))
@@ -122,6 +123,7 @@ fn paged_user_filter(
     limit: Option<u32>,
     offset: Option<u32>,
     search: Option<String>,
+    include_remote: bool,
 ) -> Result<DiaryFilter, DomainError> {
     let page = PageParams::new(limit, offset)?;
     Ok(DiaryFilter {
@@ -130,6 +132,7 @@ fn paged_user_filter(
         movie_id: None,
         user_id: Some(user_id),
         search,
+        include_remote,
     })
 }
 
@@ -171,6 +174,7 @@ mod helper_tests {
             Some(20),
             Some(5),
             Some("blade".into()),
+            false,
         )
         .unwrap();
 

crates/application/src/users/queries.rs

@@ -43,6 +43,7 @@ pub struct GetUserProfileQuery {
     pub sort_by: domain::models::FeedSortBy,
     pub search: Option<String>,
     pub is_own_profile: bool,
+    pub include_remote: bool,
 }
 
 pub struct GetCurrentProfileQuery {

crates/application/src/users/tests/get_profile.rs

@@ -54,6 +54,7 @@ async fn returns_profile_with_empty_stats() {
             sort_by: domain::models::FeedSortBy::Date,
             search: None,
             is_own_profile: true,
+            include_remote: false,
         },
     )
     .await
@@ -88,6 +89,7 @@ async fn returns_history_view() {
             sort_by: domain::models::FeedSortBy::Date,
             search: None,
             is_own_profile: true,
+            include_remote: false,
         },
     )
     .await
@@ -124,6 +126,7 @@ async fn returns_trends_view() {
             sort_by: domain::models::FeedSortBy::Date,
             search: None,
             is_own_profile: true,
+            include_remote: false,
         },
     )
     .await
@@ -160,6 +163,7 @@ async fn returns_ratings_view() {
             sort_by: domain::models::FeedSortBy::Rating,
             search: None,
             is_own_profile: true,
+            include_remote: false,
         },
     )
     .await
@@ -194,6 +198,7 @@ async fn returns_recent_with_search() {
             sort_by: domain::models::FeedSortBy::Date,
             search: Some("blade".into()),
             is_own_profile: true,
+            include_remote: false,
         },
     )
     .await
@@ -228,6 +233,7 @@ async fn non_own_profile_skips_pending_followers() {
             sort_by: domain::models::FeedSortBy::Date,
             search: None,
             is_own_profile: false,
+            include_remote: false,
         },
     )
     .await

crates/domain/src/models/federation.rs

@@ -18,3 +18,13 @@ pub struct FederationFlags {
     pub reviews: bool,
     pub watchlist: bool,
 }
+
+#[derive(Debug, Clone)]
+pub struct FederatedProfile {
+    pub actor_url: String,
+    pub handle: String,
+    pub display_name: Option<String>,
+    pub bio: Option<String>,
+    pub avatar_url: Option<String>,
+    pub banner_url: Option<String>,
+}

crates/domain/src/models/review.rs

@@ -133,6 +133,7 @@ pub struct DiaryFilter {
     pub movie_id: Option<MovieId>,
     pub user_id: Option<UserId>,
     pub search: Option<String>,
+    pub include_remote: bool,
 }
 
 #[derive(Clone, Debug)]

crates/domain/src/ports/federated_profile.rs

@@ -0,0 +1,11 @@
+use async_trait::async_trait;
+
+use crate::{errors::DomainError, models::FederatedProfile};
+
+#[async_trait]
+pub trait FederatedProfileQuery: Send + Sync {
+    async fn get_federated_profile(
+        &self,
+        synthetic_user_id: uuid::Uuid,
+    ) -> Result<Option<FederatedProfile>, DomainError>;
+}

crates/domain/src/ports/mod.rs

@@ -1,6 +1,7 @@
 pub mod auth;
 pub mod diary;
 pub mod events;
+pub mod federated_profile;
 pub mod goals;
 pub mod images;
 pub mod import;
@@ -16,6 +17,7 @@ pub mod wrapup;
 pub use auth::*;
 pub use diary::*;
 pub use events::*;
+pub use federated_profile::*;
 pub use goals::*;
 pub use images::*;
 pub use import::*;

crates/domain/src/testing/panics.rs

@@ -347,6 +347,18 @@ impl crate::ports::SocialQueryPort for PanicSocialQueryPort {
     }
 }
 
+pub struct PanicFederatedProfileQuery;
+
+#[async_trait]
+impl crate::ports::FederatedProfileQuery for PanicFederatedProfileQuery {
+    async fn get_federated_profile(
+        &self,
+        _: uuid::Uuid,
+    ) -> Result<Option<crate::models::FederatedProfile>, DomainError> {
+        panic!("PanicFederatedProfileQuery called")
+    }
+}
+
 pub struct PanicWatchEventRepository;
 
 #[async_trait]

crates/presentation/src/context.rs

@@ -1,14 +1,14 @@
 use std::sync::Arc;
 
 use domain::ports::{
-    AuthService, DiaryExporter, DiaryRepository, DocumentParser, EventPublisher, GoalRepository,
-    ImportProfileRepository, ImportSessionRepository, MetadataClient, MovieProfileRepository,
-    MovieRepository, ObjectStorage, PasswordHasher, PersonCommand, PersonEnrichmentClient,
-    PersonQuery, PosterFetcherClient, RefreshSessionRepository, RemoteGoalRepository,
-    RemoteWatchlistRepository, ReviewRepository, SearchCommand, SearchPort, SocialQueryPort,
-    StatsRepository, UserProfileFieldsRepository, UserRepository, UserSettingsRepository,
-    WatchEventRepository, WatchlistRepository, WebhookTokenRepository, WrapUpRepository,
-    WrapUpStatsQuery,
+    AuthService, DiaryExporter, DiaryRepository, DocumentParser, EventPublisher,
+    FederatedProfileQuery, GoalRepository, ImportProfileRepository, ImportSessionRepository,
+    MetadataClient, MovieProfileRepository, MovieRepository, ObjectStorage, PasswordHasher,
+    PersonCommand, PersonEnrichmentClient, PersonQuery, PosterFetcherClient,
+    RefreshSessionRepository, RemoteGoalRepository, RemoteWatchlistRepository, ReviewRepository,
+    SearchCommand, SearchPort, SocialQueryPort, StatsRepository, UserProfileFieldsRepository,
+    UserRepository, UserSettingsRepository, WatchEventRepository, WatchlistRepository,
+    WebhookTokenRepository, WrapUpRepository, WrapUpStatsQuery,
 };
 
 use application::config::AppConfig;
@@ -40,6 +40,7 @@ pub struct Repositories {
     pub user_settings: Arc<dyn UserSettingsRepository>,
     pub remote_goal: Arc<dyn RemoteGoalRepository>,
     pub refresh_session: Arc<dyn RefreshSessionRepository>,
+    pub federated_profile: Option<Arc<dyn FederatedProfileQuery>>,
 }
 
 #[derive(Clone)]

crates/presentation/src/handlers/users.rs

@@ -265,20 +265,30 @@ pub async fn get_user_profile(
         Err(_) => return StatusCode::BAD_REQUEST.into_response(),
     };
 
-    let user = match state
+    let local_user = match state
         .app_ctx
         .repos
         .user
         .find_by_id(&UserId::from_uuid(user_id))
         .await
     {
-        Ok(Some(u)) => u,
-        Ok(None) => return StatusCode::NOT_FOUND.into_response(),
+        Ok(u) => u,
         Err(e) => {
             return crate::errors::domain_error_response(e);
         }
     };
 
+    if local_user.is_none() {
+        if let Some(ref fed_query) = state.app_ctx.repos.federated_profile
+            && let Ok(Some(fed)) = fed_query.get_federated_profile(user_id).await
+        {
+            return build_federated_profile_response(&state, user_id, fed, profile_view, &params)
+                .await;
+        }
+        return StatusCode::NOT_FOUND.into_response();
+    }
+    let user = local_user.unwrap();
+
     let get_profile_deps = GetProfileDeps {
         stats: state.app_ctx.repos.stats.clone(),
         diary: state.app_ctx.repos.diary.clone(),
@@ -294,6 +304,7 @@ pub async fn get_user_profile(
             sort_by: domain::models::FeedSortBy::Date,
             search: params.search,
             is_own_profile: viewer_id.value() == user_id,
+            include_remote: false,
         },
     )
     .await
@@ -384,6 +395,106 @@ pub async fn get_user_profile(
                 Some(goals_list.iter().map(goal_with_progress_to_dto).collect())
             }
         },
+        is_federated: false,
+        handle: None,
+        display_name: None,
+        bio: None,
+        actor_url: None,
+    })
+    .into_response()
+}
+
+async fn build_federated_profile_response(
+    state: &AppState,
+    user_id: Uuid,
+    fed: domain::models::FederatedProfile,
+    profile_view: application::users::queries::ProfileView,
+    params: &UserProfileQueryParams,
+) -> axum::response::Response {
+    let get_profile_deps = GetProfileDeps {
+        stats: state.app_ctx.repos.stats.clone(),
+        diary: state.app_ctx.repos.diary.clone(),
+        social_query: state.app_ctx.repos.social_query.clone(),
+    };
+    let profile = match get_user_profile_uc::execute(
+        &get_profile_deps,
+        GetUserProfileQuery {
+            user_id,
+            view: profile_view,
+            limit: params.limit,
+            offset: params.offset,
+            sort_by: domain::models::FeedSortBy::Date,
+            search: params.search.clone(),
+            is_own_profile: false,
+            include_remote: true,
+        },
+    )
+    .await
+    {
+        Ok(p) => p,
+        Err(e) => return crate::errors::domain_error_response(e),
+    };
+
+    let entries = profile.entries.map(|p| DiaryResponse {
+        items: p
+            .items
+            .iter()
+            .map(crate::mappers::movies::entry_to_dto)
+            .collect(),
+        total_count: p.total_count,
+        limit: p.limit,
+        offset: p.offset,
+    });
+
+    let trends = profile.trends.map(|t| UserTrendsDto {
+        monthly_ratings: t
+            .monthly_ratings
+            .into_iter()
+            .map(|r| MonthlyRatingDto {
+                year_month: r.year_month,
+                month_label: r.month_label,
+                avg_rating: r.avg_rating,
+                count: r.count,
+            })
+            .collect(),
+        top_directors: t
+            .top_directors
+            .into_iter()
+            .map(|d| DirectorStatDto {
+                director: d.director,
+                count: d.count,
+            })
+            .collect(),
+        max_director_count: t.max_director_count,
+    });
+
+    let username = fed
+        .display_name
+        .clone()
+        .unwrap_or_else(|| fed.handle.clone());
+
+    Json(UserProfileResponse {
+        user_id,
+        username,
+        avatar_url: fed.avatar_url,
+        banner_url: fed.banner_url,
+        stats: UserStatsDto {
+            total_movies: profile.stats.total_movies,
+            avg_rating: profile.stats.avg_rating,
+            favorite_director: profile.stats.favorite_director,
+            most_active_month: profile.stats.most_active_month,
+        },
+        following_count: 0,
+        followers_count: 0,
+        entries,
+        history: None,
+        trends,
+        goals: None,
+        is_federated: true,
+        handle: Some(fed.handle),
+        display_name: fed.display_name,
+        bio: fed.bio,
+        actor_url: Some(fed.actor_url),
     })
     .into_response()
 }
@@ -538,6 +649,7 @@ pub async fn get_user_profile_html(
             Some(params.search.clone())
         },
         is_own_profile,
+        include_remote: false,
     };
 
     let html_profile_deps = GetProfileDeps {

crates/presentation/src/main.rs

@@ -207,6 +207,23 @@ async fn wire_dependencies() -> anyhow::Result<(AppState, axum::Router)> {
             user_settings: db.user_settings,
             remote_goal: db.remote_goal,
             refresh_session: db.refresh_session,
+            #[cfg(feature = "federation")]
+            federated_profile: Some({
+                match &db_pool {
+                    #[cfg(feature = "sqlite-federation")]
+                    factory::DbPool::Sqlite(pool) => {
+                        sqlite_federation::create_federated_profile_query(pool.clone())
+                    }
+                    #[cfg(feature = "postgres-federation")]
+                    factory::DbPool::Postgres(pool) => {
+                        postgres_federation::create_federated_profile_query(pool.clone())
+                    }
+                    #[cfg(not(feature = "sqlite-federation"))]
+                    _ => unreachable!(),
+                }
+            }),
+            #[cfg(not(feature = "federation"))]
+            federated_profile: None,
         },
         services: Services {
             auth: auth_service,

crates/presentation/src/tests/extractors.rs

@@ -807,6 +807,7 @@ pub fn make_test_state(auth_service: Arc<dyn AuthService>) -> crate::state::AppS
                 user_settings: Arc::clone(&repo) as _,
                 remote_goal: Arc::clone(&repo) as _,
                 refresh_session: Arc::clone(&repo) as _,
+                federated_profile: None,
             },
             services: Services {
                 auth: auth_service,

crates/presentation/tests/api_test.rs

@@ -460,6 +460,7 @@ async fn test_app() -> Router {
                 user_settings: Arc::new(domain::testing::NoopUserSettingsRepository),
                 remote_goal: Arc::new(domain::testing::NoopRemoteGoalRepository),
                 refresh_session: Arc::new(domain::testing::PanicRefreshSessionRepository),
+                federated_profile: None,
             },
             services: Services {
                 auth: Arc::new(PanicAuth),

spa/src/components/profile-view.tsx

@@ -2,7 +2,7 @@ import { Link } from "@tanstack/react-router"
 import { useCallback } from "react"
 import { useTranslation } from "react-i18next"
 import { Bar, BarChart, XAxis, YAxis } from "recharts"
-import { Search, User } from "lucide-react"
+import { Globe, Search, User } from "lucide-react"
 import { ChartContainer, ChartTooltip, ChartTooltipContent, type ChartConfig } from "@/components/ui/chart"
 import { Avatar, AvatarFallback, AvatarImage } from "@/components/ui/avatar"
 import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card"
@@ -23,6 +23,10 @@ type ProfileViewProps = {
   userId?: string
   search?: string
   onSearchChange?: (value: string) => void
+  isFederated?: boolean
+  bio?: string
+  handle?: string
+  actorUrl?: string
 }
 
 export function ProfileView({
@@ -32,6 +36,9 @@ export function ProfileView({
   userId,
   search,
   onSearchChange,
+  isFederated,
+  bio,
+  handle,
 }: ProfileViewProps) {
   const { t } = useTranslation()
   const initial = (data.username || "?")[0]?.toUpperCase() ?? "?"
@@ -50,8 +57,15 @@ export function ProfileView({
           {avatar && <AvatarImage src={avatar} />}
           <AvatarFallback>{initial}</AvatarFallback>
         </Avatar>
-        <div className="flex-1">
+        <div className="min-w-0 flex-1">
           <p className="font-semibold">{data.username}</p>
+          {isFederated && handle && (
+            <div className="flex items-center gap-1 text-xs text-muted-foreground">
+              <Globe className="size-3" />
+              <span>{handle}</span>
+            </div>
+          )}
+          {bio && <p className="mt-1 text-sm text-muted-foreground">{bio}</p>}
         </div>
         {headerRight}
       </div>

spa/src/lib/api/users.ts

@@ -86,6 +86,11 @@ export const userProfileResponseSchema = z.object({
   history: z.array(monthActivityDtoSchema).optional(),
   trends: userTrendsDtoSchema.optional(),
   goals: z.array(goalDtoSchema).optional(),
+  is_federated: z.boolean().optional().default(false),
+  handle: z.string().optional(),
+  display_name: z.string().optional(),
+  bio: z.string().optional(),
+  actor_url: z.string().optional(),
 })
 export type UserProfileResponse = z.infer<typeof userProfileResponseSchema>
 

spa/src/routes/_app/index.tsx

@@ -115,7 +115,7 @@ function FeedTab() {
                 movie={entry.movie}
                 review={entry.review}
                 userName={entry.user_display_name}
-                userId={entry.is_federated ? undefined : entry.user_id}
+                userId={entry.user_id}
                 isFederated={entry.is_federated}
                 actorUrl={entry.actor_url}
               />

spa/src/routes/_app/users.$id.tsx

@@ -1,7 +1,7 @@
 import { createFileRoute } from "@tanstack/react-router"
 import { useState } from "react"
 import { useTranslation } from "react-i18next"
-import { UserCheck, UserPlus } from "lucide-react"
+import { ExternalLink, UserCheck, UserPlus } from "lucide-react"
 import { BackButton } from "@/components/back-button"
 import { Button } from "@/components/ui/button"
 import { ProfileView, ProfileSkeleton } from "@/components/profile-view"
@@ -39,10 +39,14 @@ function UserProfilePage() {
       <ProfileView
         data={data}
         userId={id}
-        search={search}
-        onSearchChange={setSearch}
+        search={data.is_federated ? undefined : search}
+        onSearchChange={data.is_federated ? undefined : setSearch}
+        isFederated={data.is_federated}
+        bio={data.bio}
+        handle={data.handle}
+        actorUrl={data.actor_url}
         actions={
-          data.goals?.length ? (
+          !data.is_federated && data.goals?.length ? (
             <div className="space-y-2">
               {data.goals.map((g) => (
                 <GoalCard key={g.year} goal={g} />
@@ -51,7 +55,7 @@ function UserProfilePage() {
           ) : undefined
         }
         headerRight={
-          !isSelf ? (
+          !isSelf && !data.is_federated ? (
             isFollowing ? (
               <Button
                 size="sm"
@@ -72,6 +76,13 @@ function UserProfilePage() {
                 {t("common.follow")}
               </Button>
             )
+          ) : data.is_federated && data.actor_url ? (
+            <a href={data.actor_url} target="_blank" rel="noopener noreferrer">
+              <Button size="sm" variant="outline">
+                <ExternalLink className="mr-1 size-3.5" />
+                {t("common.viewOnRemote", { defaultValue: "Remote" })}
+              </Button>
+            </a>
           ) : undefined
         }
       />