bump k-ap 0.5.0, decompose repo traits, LocalObject, ActivityStreamsType enum, split follow modules

Cargo.lock

@@ -2892,9 +2892,9 @@ dependencies = [
 
 [[package]]
 name = "k-ap"
-version = "0.4.6"
+version = "0.5.0"
 source = "sparse+https://git.gabrielkaszewski.dev/api/packages/GKaszewski/cargo/"
-checksum = "97c1d000cf9c80891973bb5f5adb96c90e0aea9c929c7fa6cb794ad28938bc50"
+checksum = "ab6066cccc6ae8aaa2f6262ac7d471e58930a04be3266a2e367d6bdd8aaaba29"
 dependencies = [
  "activitypub_federation",
  "anyhow",
@@ -2903,9 +2903,11 @@ dependencies = [
  "chrono",
  "enum_delegate",
  "futures",
+ "paste",
  "reqwest 0.13.3",
  "serde",
  "serde_json",
+ "thiserror 2.0.18",
  "tokio",
  "tracing",
  "url",
@@ -6714,7 +6716,7 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "windows-sys 0.61.2",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]

crates/adapters/activitypub/Cargo.toml

@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
-k-ap = { version = "0.4.6", registry = "gitea" }
+k-ap = { version = "0.5.0", registry = "gitea" }
 domain = { workspace = true }
 axum = { workspace = true }
 serde = { workspace = true }

crates/adapters/activitypub/src/composite_handler.rs

@@ -1,8 +1,7 @@
 use std::sync::Arc;
 
 use async_trait::async_trait;
-use chrono::{DateTime, Utc};
+use k_ap::{ApContentReader, ApObjectHandler, LocalObject};
-use k_ap::{ApContentReader, ApObjectHandler};
 use url::Url;
 
 use crate::{
@@ -21,10 +20,9 @@ impl ApContentReader for CompositeObjectHandler {
     async fn get_local_objects_page(
         &self,
         user_id: uuid::Uuid,
-        before: Option<DateTime<Utc>>,
+        before: Option<chrono::DateTime<chrono::Utc>>,
         limit: usize,
-    ) -> anyhow::Result<Vec<(Url, serde_json::Value, DateTime<Utc>)>> {
+    ) -> anyhow::Result<Vec<LocalObject>> {
-        // Fetch from all three sources (watchlist/goals return all, reviews use DB pagination)
         let fetch_limit = limit * 3;
         let reviews = self
             .review
@@ -39,16 +37,15 @@ impl ApContentReader for CompositeObjectHandler {
             .get_local_objects_page(user_id, None, usize::MAX)
             .await?;
 
-        let mut all: Vec<(Url, serde_json::Value, DateTime<Utc>)> = Vec::new();
+        let mut all: Vec<LocalObject> = Vec::new();
         all.extend(reviews);
         all.extend(watchlist);
         all.extend(goals);
 
-        // Apply before filter and sort descending by timestamp
         if let Some(before_ts) = before {
-            all.retain(|(_, _, ts)| *ts < before_ts);
+            all.retain(|obj| obj.published_at < before_ts);
         }
-        all.sort_by_key(|b| std::cmp::Reverse(b.2));
+        all.sort_by_key(|obj| std::cmp::Reverse(obj.published_at));
         all.truncate(limit);
         Ok(all)
     }

crates/adapters/activitypub/src/event_handler.rs

@@ -217,7 +217,7 @@ impl ActivityPubEventHandler {
         let json = serde_json::to_value(obj)?;
 
         self.ap_service
-            .broadcast_create_note(user_id.value(), json, ApVisibility::Public, vec![])
+            .broadcast_create(user_id.value(), json, ApVisibility::Public, vec![])
             .await?;
 
         let year = review.watched_at().year() as u16;
@@ -283,7 +283,7 @@ impl ActivityPubEventHandler {
         let json = serde_json::to_value(obj)?;
 
         self.ap_service
-            .broadcast_update_note(user_id.value(), json, ApVisibility::Public, vec![])
+            .broadcast_update(user_id.value(), json, ApVisibility::Public, vec![])
             .await?;
 
         Ok(())
@@ -349,7 +349,7 @@ impl ActivityPubEventHandler {
         let json = serde_json::to_value(obj)?;
 
         self.ap_service
-            .broadcast_create_note(user_id.value(), json, ApVisibility::Public, vec![])
+            .broadcast_create(user_id.value(), json, ApVisibility::Public, vec![])
             .await?;
         Ok(())
     }
@@ -416,7 +416,7 @@ impl ActivityPubEventHandler {
             let json = serde_json::to_value(obj)?;
 
             self.ap_service
-                .broadcast_update_note(user_id.value(), json, ApVisibility::Public, vec![])
+                .broadcast_update(user_id.value(), json, ApVisibility::Public, vec![])
                 .await?;
         }
 
@@ -462,7 +462,7 @@ impl ActivityPubEventHandler {
         );
         let json = serde_json::to_value(obj)?;
         self.ap_service
-            .broadcast_update_note(user_id.value(), json, ApVisibility::Public, vec![])
+            .broadcast_update(user_id.value(), json, ApVisibility::Public, vec![])
             .await?;
         Ok(())
     }
@@ -494,11 +494,11 @@ impl ActivityPubEventHandler {
         let json = serde_json::to_value(obj)?;
         if is_create {
             self.ap_service
-                .broadcast_create_note(user_id.value(), json, ApVisibility::Public, vec![])
+                .broadcast_create(user_id.value(), json, ApVisibility::Public, vec![])
                 .await?;
         } else {
             self.ap_service
-                .broadcast_update_note(user_id.value(), json, ApVisibility::Public, vec![])
+                .broadcast_update(user_id.value(), json, ApVisibility::Public, vec![])
                 .await?;
         }
         Ok(())

crates/adapters/activitypub/src/goal_handler.rs

@@ -7,7 +7,7 @@ use domain::{
     ports::{GoalQuery, RemoteGoalRepository},
     value_objects::UserId,
 };
-use k_ap::{ApContentReader, ApObjectHandler};
+use k_ap::{AS_PUBLIC, ApContentReader, ApObjectHandler, LocalObject};
 use url::Url;
 
 use crate::objects::{GoalObject, goal_to_ap_object};
@@ -26,7 +26,7 @@ impl ApContentReader for GoalObjectHandler {
         user_id: uuid::Uuid,
         _before: Option<DateTime<chrono::Utc>>,
         _limit: usize,
-    ) -> anyhow::Result<Vec<(Url, serde_json::Value, DateTime<chrono::Utc>)>> {
+    ) -> anyhow::Result<Vec<LocalObject>> {
         let uid = UserId::from_uuid(user_id);
         let goals = self
             .goal_repo
@@ -35,6 +35,7 @@ impl ApContentReader for GoalObjectHandler {
             .map_err(|e| anyhow::anyhow!(e.to_string()))?;
 
         let actor = actor_url(&self.base_url, user_id);
+        let follower_cc = format!("{}/followers", actor);
         let mut results = Vec::new();
         for goal in goals {
             let ap_id = goal_url(&self.base_url, user_id, goal.year());
@@ -47,7 +48,15 @@ impl ApContentReader for GoalObjectHandler {
                 0,
                 &self.base_url,
             );
-            results.push((ap_id, serde_json::to_value(obj)?, published));
+            results.push(LocalObject {
+                ap_id,
+                object: serde_json::to_value(obj)?,
+                published_at: published,
+                to: vec![AS_PUBLIC.to_string()],
+                cc: vec![follower_cc.clone()],
+                bto: vec![],
+                bcc: vec![],
+            });
         }
         Ok(results)
     }

crates/adapters/activitypub/src/lib.rs

@@ -18,7 +18,7 @@ pub const INSTANCE_ACTOR_ID: uuid::Uuid =
 pub use k_ap::{
     ActivityPubService, ActivityRepository, ActorRepository, ApContentReader, ApFederationConfig,
     ApObjectHandler, ApUser, ApUserRepository, BlocklistRepository, FederationData,
-    FollowRepository, Follower, FollowerStatus, FollowingStatus, RemoteActor,
+    FollowRepository, Follower, FollowerStatus, FollowingStatus, LocalObject, RemoteActor,
 };
 
 pub use event_handler::ActivityPubEventHandler;

crates/adapters/activitypub/src/objects.rs

@@ -1,11 +1,17 @@
 use chrono::{DateTime, Utc};
 use k_ap::AS_PUBLIC;
-use k_ap::NoteType;
 use serde::{Deserialize, Serialize};
 use url::Url;
 
 use domain::models::Review;
 
+#[derive(Debug, Clone, Default, Deserialize, Serialize)]
+pub(crate) enum ActivityStreamsType {
+    #[default]
+    Note,
+    Article,
+}
+
 #[derive(Debug, Clone, Deserialize, Serialize)]
 #[serde(rename_all = "camelCase")]
 pub struct ApAttachment {
@@ -34,7 +40,7 @@ pub(crate) fn normalize_hashtag(title: &str) -> String {
 #[serde(rename_all = "camelCase")]
 pub struct ReviewObject {
     #[serde(rename = "type")]
-    pub(crate) kind: NoteType,
+    pub(crate) kind: ActivityStreamsType,
     pub(crate) id: Url,
     pub(crate) attributed_to: Url,
     pub(crate) content: String,
@@ -125,7 +131,7 @@ pub fn review_to_ap_object(review: &Review, input: ReviewApInput) -> ReviewObjec
     };
 
     ReviewObject {
-        kind: NoteType::default(),
+        kind: ActivityStreamsType::default(),
         id: ap_id,
         attributed_to: actor_url.clone(),
         content,
@@ -150,7 +156,7 @@ pub fn review_to_ap_object(review: &Review, input: ReviewApInput) -> ReviewObjec
 #[serde(rename_all = "camelCase")]
 pub struct WatchlistObject {
     #[serde(rename = "type")]
-    pub(crate) kind: NoteType,
+    pub(crate) kind: ActivityStreamsType,
     pub(crate) id: Url,
     pub(crate) attributed_to: Url,
     pub(crate) content: String,
@@ -218,7 +224,7 @@ pub fn watchlist_to_ap_object(input: WatchlistApInput) -> WatchlistObject {
     ];
 
     WatchlistObject {
-        kind: NoteType::default(),
+        kind: ActivityStreamsType::default(),
         id: ap_id,
         attributed_to: actor_url.clone(),
         content,
@@ -240,7 +246,7 @@ pub fn watchlist_to_ap_object(input: WatchlistApInput) -> WatchlistObject {
 #[serde(rename_all = "camelCase")]
 pub struct GoalObject {
     #[serde(rename = "type")]
-    pub(crate) kind: NoteType,
+    pub(crate) kind: ActivityStreamsType,
     pub(crate) id: Url,
     pub(crate) attributed_to: Url,
     pub(crate) content: String,
@@ -277,7 +283,7 @@ pub fn goal_to_ap_object(
     }];
 
     GoalObject {
-        kind: NoteType::default(),
+        kind: ActivityStreamsType::default(),
         id: ap_id,
         attributed_to: actor_url.clone(),
         content,

crates/adapters/activitypub/src/review_handler.rs

@@ -7,7 +7,7 @@ use domain::{
     ports::{DiaryQuery, EventPublisher, LocalApContentQuery, MovieQuery},
     value_objects::{Comment, ExternalMetadataId, MovieId, Rating, ReviewId, UserId},
 };
-use k_ap::{ApContentReader, ApObjectHandler};
+use k_ap::{AS_PUBLIC, ApContentReader, ApObjectHandler, LocalObject};
 use url::Url;
 
 use crate::objects::{ReviewApInput, ReviewObject, review_to_ap_object};
@@ -30,7 +30,7 @@ impl ApContentReader for ReviewObjectHandler {
         user_id: uuid::Uuid,
         before: Option<chrono::DateTime<chrono::Utc>>,
         limit: usize,
-    ) -> anyhow::Result<Vec<(url::Url, serde_json::Value, chrono::DateTime<chrono::Utc>)>> {
+    ) -> anyhow::Result<Vec<LocalObject>> {
         let domain_user_id = UserId::from_uuid(user_id);
         let before_naive = before.map(|dt| dt.naive_utc());
         let entries = self
@@ -65,7 +65,16 @@ impl ApContentReader for ReviewObjectHandler {
                     base_url: self.base_url.clone(),
                 },
             );
-            results.push((ap_id, serde_json::to_value(obj)?, published));
+            let follower_cc = format!("{}/followers", actor);
+            results.push(LocalObject {
+                ap_id,
+                object: serde_json::to_value(obj)?,
+                published_at: published,
+                to: vec![AS_PUBLIC.to_string()],
+                cc: vec![follower_cc],
+                bto: vec![],
+                bcc: vec![],
+            });
         }
         Ok(results)
     }

crates/adapters/activitypub/src/watchlist_handler.rs

@@ -7,7 +7,7 @@ use domain::{
     ports::{LocalApContentQuery, RemoteWatchlistRepository},
     value_objects::UserId,
 };
-use k_ap::{ApContentReader, ApObjectHandler};
+use k_ap::{AS_PUBLIC, ApContentReader, ApObjectHandler, LocalObject};
 use url::Url;
 
 use crate::objects::{WatchlistApInput, WatchlistObject, watchlist_to_ap_object};
@@ -26,7 +26,7 @@ impl ApContentReader for WatchlistObjectHandler {
         user_id: uuid::Uuid,
         _before: Option<DateTime<chrono::Utc>>,
         _limit: usize,
-    ) -> anyhow::Result<Vec<(Url, serde_json::Value, DateTime<chrono::Utc>)>> {
+    ) -> anyhow::Result<Vec<LocalObject>> {
         let uid = UserId::from_uuid(user_id);
         let entries = self
             .content_query
@@ -35,6 +35,7 @@ impl ApContentReader for WatchlistObjectHandler {
             .map_err(|e| anyhow::anyhow!(e.to_string()))?;
 
         let actor = actor_url(&self.base_url, user_id);
+        let follower_cc = format!("{}/followers", actor);
         let mut results = Vec::new();
         for WatchlistWithMovie { entry, movie } in entries {
             let ap_id = watchlist_entry_url(&self.base_url, user_id, entry.movie_id.value());
@@ -54,7 +55,15 @@ impl ApContentReader for WatchlistObjectHandler {
                 added_at: published,
                 base_url: self.base_url.clone(),
             });
-            results.push((ap_id, serde_json::to_value(obj)?, published));
+            results.push(LocalObject {
+                ap_id,
+                object: serde_json::to_value(obj)?,
+                published_at: published,
+                to: vec![AS_PUBLIC.to_string()],
+                cc: vec![follower_cc.clone()],
+                bto: vec![],
+                bcc: vec![],
+            });
         }
         Ok(results)
     }

crates/adapters/postgres-federation/Cargo.toml

@@ -13,7 +13,7 @@ sqlx = { version = "0.8.6", features = [
 ] }
 activitypub = { workspace = true }
 adapter-common = { workspace = true }
-k-ap = { version = "0.4.6", registry = "gitea" }
+k-ap = { version = "0.5.0", registry = "gitea" }
 domain = { workspace = true }
 uuid = { workspace = true }
 chrono = { workspace = true }

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

@@ -1,43 +1,41 @@
 use anyhow::Result;
 use async_trait::async_trait;
 use chrono::Utc;
-use k_ap::{ActorRepository, RemoteActor};
+use k_ap::{AnnounceRepository, Keypair, KeypairRepository, RemoteActor, RemoteActorCache};
 use sqlx::Row;
 
 use super::{PG_ACTOR_COLS, PostgresFederationRepository, pg_remote_actor};
 use adapter_common::datetime_to_str;
 
 #[async_trait]
-impl ActorRepository for PostgresFederationRepository {
+impl KeypairRepository for PostgresFederationRepository {
-    async fn get_local_actor_keypair(
+    async fn get_local_actor_keypair(&self, user_id: uuid::Uuid) -> Result<Option<Keypair>> {
-        &self,
-        user_id: uuid::Uuid,
-    ) -> Result<Option<(String, String)>> {
         let uid = user_id.to_string();
         let row =
             sqlx::query("SELECT public_key, private_key FROM ap_local_actors WHERE user_id = $1")
                 .bind(&uid)
                 .fetch_optional(&self.pool)
                 .await?;
-        Ok(row.map(|r| (r.get("public_key"), r.get("private_key"))))
+        Ok(row.map(|r| Keypair {
+            public_key: r.get("public_key"),
+            private_key: r.get("private_key"),
+        }))
     }
 
-    async fn save_local_actor_keypair(
+    async fn save_local_actor_keypair(&self, user_id: uuid::Uuid, keypair: Keypair) -> Result<()> {
-        &self,
-        user_id: uuid::Uuid,
-        public_key: String,
-        private_key: String,
-    ) -> Result<()> {
         let uid = user_id.to_string();
         let now = Utc::now().naive_utc();
         let created_at = datetime_to_str(&now);
         sqlx::query(
             "INSERT INTO ap_local_actors (user_id, public_key, private_key, created_at) VALUES ($1, $2, $3, $4::timestamptz)
              ON CONFLICT(user_id) DO UPDATE SET public_key = EXCLUDED.public_key, private_key = EXCLUDED.private_key",
-        ).bind(&uid).bind(&public_key).bind(&private_key).bind(&created_at).execute(&self.pool).await?;
+        ).bind(&uid).bind(&keypair.public_key).bind(&keypair.private_key).bind(&created_at).execute(&self.pool).await?;
         Ok(())
     }
+}
 
+#[async_trait]
+impl RemoteActorCache for PostgresFederationRepository {
     async fn upsert_remote_actor(&self, actor: RemoteActor) -> Result<()> {
         let now = Utc::now().naive_utc();
         let fetched_at = datetime_to_str(&now);
@@ -68,7 +66,10 @@ impl ActorRepository for PostgresFederationRepository {
             .await?;
         Ok(row.as_ref().map(|r| pg_remote_actor(r, "url")))
     }
+}
 
+#[async_trait]
+impl AnnounceRepository for PostgresFederationRepository {
     async fn add_announce(
         &self,
         activity_id: &str,

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

@@ -1,14 +1,14 @@
 use anyhow::Result;
 use async_trait::async_trait;
 use chrono::Utc;
-use k_ap::{BlockedDomain, BlocklistRepository};
+use k_ap::{ActorBlocklist, BlockedDomain, DomainBlocklist};
 use sqlx::Row;
 
 use super::PostgresFederationRepository;
 use adapter_common::datetime_to_str;
 
 #[async_trait]
-impl BlocklistRepository for PostgresFederationRepository {
+impl DomainBlocklist for PostgresFederationRepository {
     async fn add_blocked_domain(&self, domain: &str, reason: Option<&str>) -> Result<()> {
         let ts = datetime_to_str(&Utc::now().naive_utc());
         sqlx::query("INSERT INTO blocked_domains (domain, reason, blocked_at) VALUES ($1, $2, $3) ON CONFLICT(domain) DO UPDATE SET reason = EXCLUDED.reason")
@@ -48,7 +48,10 @@ impl BlocklistRepository for PostgresFederationRepository {
                 .await?;
         Ok(count > 0)
     }
+}
 
+#[async_trait]
+impl ActorBlocklist for PostgresFederationRepository {
     async fn add_blocked_actor(&self, local_user_id: uuid::Uuid, actor_url: &str) -> Result<()> {
         let uid = local_user_id.to_string();
         let ts = datetime_to_str(&Utc::now().naive_utc());

crates/adapters/postgres-federation/src/follow/followers.rs

@@ -1,18 +1,16 @@
 use anyhow::Result;
 use async_trait::async_trait;
 use chrono::Utc;
-use k_ap::{
+use k_ap::{Follower, FollowerReader, FollowerStatus, FollowerWriter, RemoteActor};
-    ActorRepository, FollowRepository, Follower, FollowerStatus, FollowingStatus, RemoteActor,
-};
 use sqlx::Row;
 
-use super::{
+use crate::{
     PG_ACTOR_COLS, PostgresFederationRepository, pg_remote_actor, status_to_str, str_to_status,
 };
 use adapter_common::datetime_to_str;
 
 #[async_trait]
-impl FollowRepository for PostgresFederationRepository {
+impl FollowerWriter for PostgresFederationRepository {
     async fn add_follower(
         &self,
         local_user_id: uuid::Uuid,
@@ -59,6 +57,25 @@ impl FollowRepository for PostgresFederationRepository {
         Ok(())
     }
 
+    async fn update_follower_status(
+        &self,
+        local_user_id: uuid::Uuid,
+        remote_actor_url: &str,
+        status: FollowerStatus,
+    ) -> Result<()> {
+        let uid = local_user_id.to_string();
+        let status_str = status_to_str(&status);
+        let result = sqlx::query("UPDATE ap_followers SET status = $1 WHERE local_user_id = $2 AND remote_actor_url = $3")
+            .bind(status_str).bind(&uid).bind(remote_actor_url).execute(&self.pool).await?;
+        if result.rows_affected() == 0 {
+            tracing::warn!(local_user_id = %local_user_id, remote_actor_url, "update_follower_status: no row found");
+        }
+        Ok(())
+    }
+}
+
+#[async_trait]
+impl FollowerReader for PostgresFederationRepository {
     async fn get_followers(&self, local_user_id: uuid::Uuid) -> Result<Vec<Follower>> {
         let uid = local_user_id.to_string();
         let q = format!(
@@ -116,22 +133,6 @@ impl FollowRepository for PostgresFederationRepository {
         Ok(count as usize)
     }
 
-    async fn update_follower_status(
-        &self,
-        local_user_id: uuid::Uuid,
-        remote_actor_url: &str,
-        status: FollowerStatus,
-    ) -> Result<()> {
-        let uid = local_user_id.to_string();
-        let status_str = status_to_str(&status);
-        let result = sqlx::query("UPDATE ap_followers SET status = $1 WHERE local_user_id = $2 AND remote_actor_url = $3")
-            .bind(status_str).bind(&uid).bind(remote_actor_url).execute(&self.pool).await?;
-        if result.rows_affected() == 0 {
-            tracing::warn!(local_user_id = %local_user_id, remote_actor_url, "update_follower_status: no row found");
-        }
-        Ok(())
-    }
-
     async fn get_pending_followers(&self, local_user_id: uuid::Uuid) -> Result<Vec<RemoteActor>> {
         let uid = local_user_id.to_string();
         let q = format!(
@@ -193,129 +194,4 @@ impl FollowRepository for PostgresFederationRepository {
             .map(|row| pg_remote_actor(row, "remote_actor_url"))
             .collect())
     }
-
-    async fn add_following(
-        &self,
-        local_user_id: uuid::Uuid,
-        actor: RemoteActor,
-        follow_activity_id: &str,
-    ) -> Result<()> {
-        let uid = local_user_id.to_string();
-        let now = Utc::now().naive_utc();
-        let created_at = datetime_to_str(&now);
-        ActorRepository::upsert_remote_actor(self, actor.clone()).await?;
-        sqlx::query("INSERT INTO ap_following (local_user_id, remote_actor_url, follow_activity_id, created_at) VALUES ($1, $2, $3, $4::timestamptz) ON CONFLICT DO NOTHING")
-            .bind(&uid).bind(&actor.url).bind(follow_activity_id).bind(&created_at).execute(&self.pool).await?;
-        Ok(())
-    }
-
-    async fn get_follow_activity_id(
-        &self,
-        local_user_id: uuid::Uuid,
-        remote_actor_url: &str,
-    ) -> Result<Option<String>> {
-        let uid = local_user_id.to_string();
-        let row: Option<String> = sqlx::query_scalar("SELECT follow_activity_id FROM ap_following WHERE local_user_id = $1 AND remote_actor_url = $2")
-            .bind(&uid).bind(remote_actor_url).fetch_optional(&self.pool).await?;
-        Ok(row)
-    }
-
-    async fn remove_following(&self, local_user_id: uuid::Uuid, actor_url: &str) -> Result<()> {
-        let uid = local_user_id.to_string();
-        sqlx::query("DELETE FROM ap_following WHERE local_user_id = $1 AND remote_actor_url = $2")
-            .bind(&uid)
-            .bind(actor_url)
-            .execute(&self.pool)
-            .await?;
-        Ok(())
-    }
-
-    async fn get_following(&self, local_user_id: uuid::Uuid) -> Result<Vec<RemoteActor>> {
-        let uid = local_user_id.to_string();
-        let q = format!(
-            "SELECT a.url, {PG_ACTOR_COLS} FROM ap_following f INNER JOIN ap_remote_actors a ON a.url = f.remote_actor_url WHERE f.local_user_id = $1 AND f.status = 'accepted'"
-        );
-        let rows = sqlx::query(&q).bind(&uid).fetch_all(&self.pool).await?;
-        Ok(rows.iter().map(|row| pg_remote_actor(row, "url")).collect())
-    }
-
-    async fn count_following(&self, local_user_id: uuid::Uuid) -> Result<usize> {
-        let uid = local_user_id.to_string();
-        let count: i64 = sqlx::query_scalar(
-            "SELECT COUNT(*) FROM ap_following WHERE local_user_id = $1 AND status = 'accepted'",
-        )
-        .bind(&uid)
-        .fetch_one(&self.pool)
-        .await?;
-        Ok(count as usize)
-    }
-
-    async fn get_following_page(
-        &self,
-        local_user_id: uuid::Uuid,
-        offset: u32,
-        limit: usize,
-    ) -> Result<Vec<RemoteActor>> {
-        let uid = local_user_id.to_string();
-        let q = format!(
-            "SELECT a.url, {PG_ACTOR_COLS} FROM ap_following f INNER JOIN ap_remote_actors a ON a.url = f.remote_actor_url WHERE f.local_user_id = $1 AND f.status = 'accepted' ORDER BY f.created_at ASC LIMIT $2 OFFSET $3"
-        );
-        let rows = sqlx::query(&q)
-            .bind(&uid)
-            .bind(limit as i64)
-            .bind(offset as i64)
-            .fetch_all(&self.pool)
-            .await?;
-        Ok(rows.iter().map(|row| pg_remote_actor(row, "url")).collect())
-    }
-
-    async fn update_following_status(
-        &self,
-        local_user_id: uuid::Uuid,
-        remote_actor_url: &str,
-        status: FollowingStatus,
-    ) -> Result<()> {
-        let uid = local_user_id.to_string();
-        let status_str = match status {
-            FollowingStatus::Pending => "pending",
-            FollowingStatus::Accepted => "accepted",
-        };
-        let result = sqlx::query("UPDATE ap_following SET status = $1 WHERE local_user_id = $2 AND remote_actor_url = $3")
-            .bind(status_str).bind(&uid).bind(remote_actor_url).execute(&self.pool).await?;
-        if result.rows_affected() == 0 {
-            tracing::warn!(local_user_id = %local_user_id, remote_actor_url, "update_following_status: no row found");
-        }
-        Ok(())
-    }
-
-    async fn get_following_outbox_url(
-        &self,
-        local_user_id: uuid::Uuid,
-        remote_actor_url: &str,
-    ) -> Result<Option<String>> {
-        let uid = local_user_id.to_string();
-        let row: Option<Option<String>> = sqlx::query_scalar(
-            "SELECT a.outbox_url FROM ap_following f INNER JOIN ap_remote_actors a ON a.url = f.remote_actor_url WHERE f.local_user_id = $1 AND f.remote_actor_url = $2",
-        ).bind(&uid).bind(remote_actor_url).fetch_optional(&self.pool).await?;
-        Ok(row.flatten())
-    }
-
-    async fn migrate_follower_actor(
-        &self,
-        old_actor_url: &str,
-        new_actor_url: &str,
-    ) -> Result<Vec<uuid::Uuid>> {
-        let candidates: Vec<String> = sqlx::query_scalar(
-            "SELECT local_user_id FROM ap_following WHERE remote_actor_url = $1 AND local_user_id NOT IN (SELECT local_user_id FROM ap_following WHERE remote_actor_url = $2)",
-        ).bind(old_actor_url).bind(new_actor_url).fetch_all(&self.pool).await?;
-        if candidates.is_empty() {
-            return Ok(vec![]);
-        }
-        sqlx::query("UPDATE ap_following SET remote_actor_url = $1 WHERE remote_actor_url = $2 AND local_user_id NOT IN (SELECT local_user_id FROM ap_following WHERE remote_actor_url = $1)")
-            .bind(new_actor_url).bind(old_actor_url).execute(&self.pool).await?;
-        candidates
-            .into_iter()
-            .map(|s| uuid::Uuid::parse_str(&s).map_err(|e| anyhow::anyhow!(e)))
-            .collect()
-    }
 }

crates/adapters/postgres-federation/src/follow/following.rs

@@ -0,0 +1,106 @@
+use crate::{PG_ACTOR_COLS, PostgresFederationRepository, pg_remote_actor};
+use adapter_common::datetime_to_str;
+use anyhow::Result;
+use async_trait::async_trait;
+use chrono::Utc;
+use k_ap::{FollowingReader, FollowingStatus, FollowingWriter, RemoteActor, RemoteActorCache};
+
+#[async_trait]
+impl FollowingWriter for PostgresFederationRepository {
+    async fn add_following(
+        &self,
+        local_user_id: uuid::Uuid,
+        actor: RemoteActor,
+        follow_activity_id: &str,
+    ) -> Result<()> {
+        let uid = local_user_id.to_string();
+        let now = Utc::now().naive_utc();
+        let created_at = datetime_to_str(&now);
+        RemoteActorCache::upsert_remote_actor(self, actor.clone()).await?;
+        sqlx::query("INSERT INTO ap_following (local_user_id, remote_actor_url, follow_activity_id, created_at) VALUES ($1, $2, $3, $4::timestamptz) ON CONFLICT DO NOTHING")
+            .bind(&uid).bind(&actor.url).bind(follow_activity_id).bind(&created_at).execute(&self.pool).await?;
+        Ok(())
+    }
+
+    async fn get_follow_activity_id(
+        &self,
+        local_user_id: uuid::Uuid,
+        remote_actor_url: &str,
+    ) -> Result<Option<String>> {
+        let uid = local_user_id.to_string();
+        let row: Option<String> = sqlx::query_scalar("SELECT follow_activity_id FROM ap_following WHERE local_user_id = $1 AND remote_actor_url = $2")
+            .bind(&uid).bind(remote_actor_url).fetch_optional(&self.pool).await?;
+        Ok(row)
+    }
+
+    async fn remove_following(&self, local_user_id: uuid::Uuid, actor_url: &str) -> Result<()> {
+        let uid = local_user_id.to_string();
+        sqlx::query("DELETE FROM ap_following WHERE local_user_id = $1 AND remote_actor_url = $2")
+            .bind(&uid)
+            .bind(actor_url)
+            .execute(&self.pool)
+            .await?;
+        Ok(())
+    }
+
+    async fn update_following_status(
+        &self,
+        local_user_id: uuid::Uuid,
+        remote_actor_url: &str,
+        status: FollowingStatus,
+    ) -> Result<()> {
+        let uid = local_user_id.to_string();
+        let status_str = match status {
+            FollowingStatus::Pending => "pending",
+            FollowingStatus::Accepted => "accepted",
+        };
+        let result = sqlx::query("UPDATE ap_following SET status = $1 WHERE local_user_id = $2 AND remote_actor_url = $3")
+            .bind(status_str).bind(&uid).bind(remote_actor_url).execute(&self.pool).await?;
+        if result.rows_affected() == 0 {
+            tracing::warn!(local_user_id = %local_user_id, remote_actor_url, "update_following_status: no row found");
+        }
+        Ok(())
+    }
+}
+
+#[async_trait]
+impl FollowingReader for PostgresFederationRepository {
+    async fn get_following(&self, local_user_id: uuid::Uuid) -> Result<Vec<RemoteActor>> {
+        let uid = local_user_id.to_string();
+        let q = format!(
+            "SELECT a.url, {PG_ACTOR_COLS} FROM ap_following f INNER JOIN ap_remote_actors a ON a.url = f.remote_actor_url WHERE f.local_user_id = $1 AND f.status = 'accepted'"
+        );
+        let rows = sqlx::query(&q).bind(&uid).fetch_all(&self.pool).await?;
+        Ok(rows.iter().map(|row| pg_remote_actor(row, "url")).collect())
+    }
+
+    async fn count_following(&self, local_user_id: uuid::Uuid) -> Result<usize> {
+        let uid = local_user_id.to_string();
+        let count: i64 = sqlx::query_scalar(
+            "SELECT COUNT(*) FROM ap_following WHERE local_user_id = $1 AND status = 'accepted'",
+        )
+        .bind(&uid)
+        .fetch_one(&self.pool)
+        .await?;
+        Ok(count as usize)
+    }
+
+    async fn get_following_page(
+        &self,
+        local_user_id: uuid::Uuid,
+        offset: u32,
+        limit: usize,
+    ) -> Result<Vec<RemoteActor>> {
+        let uid = local_user_id.to_string();
+        let q = format!(
+            "SELECT a.url, {PG_ACTOR_COLS} FROM ap_following f INNER JOIN ap_remote_actors a ON a.url = f.remote_actor_url WHERE f.local_user_id = $1 AND f.status = 'accepted' ORDER BY f.created_at ASC LIMIT $2 OFFSET $3"
+        );
+        let rows = sqlx::query(&q)
+            .bind(&uid)
+            .bind(limit as i64)
+            .bind(offset as i64)
+            .fetch_all(&self.pool)
+            .await?;
+        Ok(rows.iter().map(|row| pg_remote_actor(row, "url")).collect())
+    }
+}

crates/adapters/postgres-federation/src/follow/migration.rs

@@ -0,0 +1,27 @@
+use anyhow::Result;
+use async_trait::async_trait;
+use k_ap::FollowMigration;
+
+use crate::PostgresFederationRepository;
+
+#[async_trait]
+impl FollowMigration for PostgresFederationRepository {
+    async fn migrate_follower_actor(
+        &self,
+        old_actor_url: &str,
+        new_actor_url: &str,
+    ) -> Result<Vec<uuid::Uuid>> {
+        let candidates: Vec<String> = sqlx::query_scalar(
+            "SELECT local_user_id FROM ap_following WHERE remote_actor_url = $1 AND local_user_id NOT IN (SELECT local_user_id FROM ap_following WHERE remote_actor_url = $2)",
+        ).bind(old_actor_url).bind(new_actor_url).fetch_all(&self.pool).await?;
+        if candidates.is_empty() {
+            return Ok(vec![]);
+        }
+        sqlx::query("UPDATE ap_following SET remote_actor_url = $1 WHERE remote_actor_url = $2 AND local_user_id NOT IN (SELECT local_user_id FROM ap_following WHERE remote_actor_url = $1)")
+            .bind(new_actor_url).bind(old_actor_url).execute(&self.pool).await?;
+        candidates
+            .into_iter()
+            .map(|s| uuid::Uuid::parse_str(&s).map_err(|e| anyhow::anyhow!(e)))
+            .collect()
+    }
+}

crates/adapters/postgres-federation/src/follow/mod.rs

@@ -0,0 +1,3 @@
+mod followers;
+mod following;
+mod migration;

crates/adapters/sqlite-federation/Cargo.toml

@@ -7,7 +7,7 @@ edition = "2024"
 sqlx = { workspace = true }
 activitypub = { workspace = true }
 adapter-common = { workspace = true }
-k-ap = { version = "0.4.6", registry = "gitea" }
+k-ap = { version = "0.5.0", registry = "gitea" }
 domain = { workspace = true }
 anyhow = { workspace = true }
 serde_json = { workspace = true }

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

@@ -1,33 +1,28 @@
 use anyhow::Result;
 use async_trait::async_trait;
 use chrono::Utc;
-use k_ap::{ActorRepository, RemoteActor};
+use k_ap::{AnnounceRepository, Keypair, KeypairRepository, RemoteActor, RemoteActorCache};
 use sqlx::Row;
 
 use super::{SqliteFederationRepository, remote_actor_from_row};
 use adapter_common::datetime_to_str;
 
 #[async_trait]
-impl ActorRepository for SqliteFederationRepository {
+impl KeypairRepository for SqliteFederationRepository {
-    async fn get_local_actor_keypair(
+    async fn get_local_actor_keypair(&self, user_id: uuid::Uuid) -> Result<Option<Keypair>> {
-        &self,
-        user_id: uuid::Uuid,
-    ) -> Result<Option<(String, String)>> {
         let uid = user_id.to_string();
         let row =
             sqlx::query("SELECT public_key, private_key FROM ap_local_actors WHERE user_id = ?")
                 .bind(&uid)
                 .fetch_optional(&self.pool)
                 .await?;
-        Ok(row.map(|r| (r.get("public_key"), r.get("private_key"))))
+        Ok(row.map(|r| Keypair {
+            public_key: r.get("public_key"),
+            private_key: r.get("private_key"),
+        }))
     }
 
-    async fn save_local_actor_keypair(
+    async fn save_local_actor_keypair(&self, user_id: uuid::Uuid, keypair: Keypair) -> Result<()> {
-        &self,
-        user_id: uuid::Uuid,
-        public_key: String,
-        private_key: String,
-    ) -> Result<()> {
         let uid = user_id.to_string();
         let now = Utc::now().naive_utc();
         let created_at = datetime_to_str(&now);
@@ -39,14 +34,17 @@ impl ActorRepository for SqliteFederationRepository {
                  private_key = excluded.private_key",
         )
         .bind(&uid)
-        .bind(&public_key)
+        .bind(&keypair.public_key)
-        .bind(&private_key)
+        .bind(&keypair.private_key)
         .bind(&created_at)
         .execute(&self.pool)
         .await?;
         Ok(())
     }
+}
 
+#[async_trait]
+impl RemoteActorCache for SqliteFederationRepository {
     async fn upsert_remote_actor(&self, actor: RemoteActor) -> Result<()> {
         let now = Utc::now().naive_utc();
         let fetched_at = datetime_to_str(&now);
@@ -84,7 +82,10 @@ impl ActorRepository for SqliteFederationRepository {
         ).bind(actor_url).fetch_optional(&self.pool).await?;
         Ok(row.as_ref().map(|r| remote_actor_from_row(r, "url")))
     }
+}
 
+#[async_trait]
+impl AnnounceRepository for SqliteFederationRepository {
     async fn add_announce(
         &self,
         activity_id: &str,

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

@@ -1,14 +1,14 @@
 use anyhow::Result;
 use async_trait::async_trait;
 use chrono::Utc;
-use k_ap::{BlockedDomain, BlocklistRepository};
+use k_ap::{ActorBlocklist, BlockedDomain, DomainBlocklist};
 use sqlx::Row;
 
 use super::SqliteFederationRepository;
 use adapter_common::datetime_to_str;
 
 #[async_trait]
-impl BlocklistRepository for SqliteFederationRepository {
+impl DomainBlocklist for SqliteFederationRepository {
     async fn add_blocked_domain(&self, domain: &str, reason: Option<&str>) -> Result<()> {
         let now = Utc::now().naive_utc();
         let ts = datetime_to_str(&now);
@@ -56,7 +56,10 @@ impl BlocklistRepository for SqliteFederationRepository {
                 .await?;
         Ok(count > 0)
     }
+}
 
+#[async_trait]
+impl ActorBlocklist for SqliteFederationRepository {
     async fn add_blocked_actor(&self, local_user_id: uuid::Uuid, actor_url: &str) -> Result<()> {
         let uid = local_user_id.to_string();
         let ts = datetime_to_str(&Utc::now().naive_utc());

crates/adapters/sqlite-federation/src/follow/followers.rs

@@ -1,16 +1,14 @@
 use anyhow::Result;
 use async_trait::async_trait;
 use chrono::Utc;
-use k_ap::{
+use k_ap::{Follower, FollowerReader, FollowerStatus, FollowerWriter, RemoteActor};
-    ActorRepository, FollowRepository, Follower, FollowerStatus, FollowingStatus, RemoteActor,
-};
 use sqlx::Row;
 
-use super::{SqliteFederationRepository, remote_actor_from_row, status_to_str, str_to_status};
+use crate::{SqliteFederationRepository, remote_actor_from_row, status_to_str, str_to_status};
 use adapter_common::datetime_to_str;
 
 #[async_trait]
-impl FollowRepository for SqliteFederationRepository {
+impl FollowerWriter for SqliteFederationRepository {
     async fn add_follower(
         &self,
         local_user_id: uuid::Uuid,
@@ -69,6 +67,31 @@ impl FollowRepository for SqliteFederationRepository {
         Ok(())
     }
 
+    async fn update_follower_status(
+        &self,
+        local_user_id: uuid::Uuid,
+        remote_actor_url: &str,
+        status: FollowerStatus,
+    ) -> Result<()> {
+        let uid = local_user_id.to_string();
+        let status_str = status_to_str(&status);
+        let result = sqlx::query(
+            "UPDATE ap_followers SET status = ? WHERE local_user_id = ? AND remote_actor_url = ?",
+        )
+        .bind(status_str)
+        .bind(&uid)
+        .bind(remote_actor_url)
+        .execute(&self.pool)
+        .await?;
+        if result.rows_affected() == 0 {
+            tracing::warn!(local_user_id = %local_user_id, remote_actor_url, "update_follower_status: no row found");
+        }
+        Ok(())
+    }
+}
+
+#[async_trait]
+impl FollowerReader for SqliteFederationRepository {
     async fn get_followers(&self, local_user_id: uuid::Uuid) -> Result<Vec<Follower>> {
         let uid = local_user_id.to_string();
         let rows = sqlx::query(
@@ -138,28 +161,6 @@ impl FollowRepository for SqliteFederationRepository {
         Ok(count as usize)
     }
 
-    async fn update_follower_status(
-        &self,
-        local_user_id: uuid::Uuid,
-        remote_actor_url: &str,
-        status: FollowerStatus,
-    ) -> Result<()> {
-        let uid = local_user_id.to_string();
-        let status_str = status_to_str(&status);
-        let result = sqlx::query(
-            "UPDATE ap_followers SET status = ? WHERE local_user_id = ? AND remote_actor_url = ?",
-        )
-        .bind(status_str)
-        .bind(&uid)
-        .bind(remote_actor_url)
-        .execute(&self.pool)
-        .await?;
-        if result.rows_affected() == 0 {
-            tracing::warn!(local_user_id = %local_user_id, remote_actor_url, "update_follower_status: no row found");
-        }
-        Ok(())
-    }
-
     async fn get_pending_followers(&self, local_user_id: uuid::Uuid) -> Result<Vec<RemoteActor>> {
         let uid = local_user_id.to_string();
         let rows = sqlx::query(
@@ -232,173 +233,4 @@ impl FollowRepository for SqliteFederationRepository {
             .map(|row| remote_actor_from_row(row, "remote_actor_url"))
             .collect())
     }
-
-    async fn add_following(
-        &self,
-        local_user_id: uuid::Uuid,
-        actor: RemoteActor,
-        follow_activity_id: &str,
-    ) -> Result<()> {
-        let uid = local_user_id.to_string();
-        let now = Utc::now().naive_utc();
-        let created_at = datetime_to_str(&now);
-        ActorRepository::upsert_remote_actor(self, actor.clone()).await?;
-        sqlx::query(
-            "INSERT OR IGNORE INTO ap_following (local_user_id, remote_actor_url, follow_activity_id, created_at)
-             VALUES (?, ?, ?, ?)",
-        ).bind(&uid).bind(&actor.url).bind(follow_activity_id).bind(&created_at).execute(&self.pool).await?;
-        Ok(())
-    }
-
-    async fn get_follow_activity_id(
-        &self,
-        local_user_id: uuid::Uuid,
-        remote_actor_url: &str,
-    ) -> Result<Option<String>> {
-        let uid = local_user_id.to_string();
-        let row: Option<Option<String>> = sqlx::query_scalar(
-            "SELECT follow_activity_id FROM ap_following WHERE local_user_id = ? AND remote_actor_url = ?",
-        ).bind(&uid).bind(remote_actor_url).fetch_optional(&self.pool).await?;
-        Ok(row.flatten())
-    }
-
-    async fn remove_following(&self, local_user_id: uuid::Uuid, actor_url: &str) -> Result<()> {
-        let uid = local_user_id.to_string();
-        sqlx::query("DELETE FROM ap_following WHERE local_user_id = ? AND remote_actor_url = ?")
-            .bind(&uid)
-            .bind(actor_url)
-            .execute(&self.pool)
-            .await?;
-        Ok(())
-    }
-
-    async fn get_following(&self, local_user_id: uuid::Uuid) -> Result<Vec<RemoteActor>> {
-        let uid = local_user_id.to_string();
-        let rows = sqlx::query(
-            "SELECT a.url, a.handle, a.inbox_url, a.shared_inbox_url, a.display_name, a.avatar_url,
-                    a.outbox_url, a.bio, a.banner_url, a.followers_url, a.following_url, a.also_known_as, a.fetched_at
-             FROM ap_following f
-             INNER JOIN ap_remote_actors a ON a.url = f.remote_actor_url
-             WHERE f.local_user_id = ? AND f.status = 'accepted'",
-        ).bind(&uid).fetch_all(&self.pool).await?;
-        Ok(rows
-            .iter()
-            .map(|row| remote_actor_from_row(row, "url"))
-            .collect())
-    }
-
-    async fn count_following(&self, local_user_id: uuid::Uuid) -> Result<usize> {
-        let uid = local_user_id.to_string();
-        let count: i64 = sqlx::query_scalar(
-            "SELECT COUNT(*) FROM ap_following WHERE local_user_id = ? AND status = 'accepted'",
-        )
-        .bind(&uid)
-        .fetch_one(&self.pool)
-        .await?;
-        Ok(count as usize)
-    }
-
-    async fn get_following_page(
-        &self,
-        local_user_id: uuid::Uuid,
-        offset: u32,
-        limit: usize,
-    ) -> Result<Vec<RemoteActor>> {
-        let uid = local_user_id.to_string();
-        let rows = sqlx::query(
-            "SELECT a.url, a.handle, a.inbox_url, a.shared_inbox_url, a.display_name, a.avatar_url,
-                    a.outbox_url, a.bio, a.banner_url, a.followers_url, a.following_url, a.also_known_as, a.fetched_at
-             FROM ap_following f
-             INNER JOIN ap_remote_actors a ON a.url = f.remote_actor_url
-             WHERE f.local_user_id = ? AND f.status = 'accepted'
-             ORDER BY f.created_at ASC LIMIT ? OFFSET ?",
-        ).bind(&uid).bind(limit as i64).bind(offset as i64).fetch_all(&self.pool).await?;
-        Ok(rows
-            .iter()
-            .map(|row| remote_actor_from_row(row, "url"))
-            .collect())
-    }
-
-    async fn update_following_status(
-        &self,
-        local_user_id: uuid::Uuid,
-        remote_actor_url: &str,
-        status: FollowingStatus,
-    ) -> Result<()> {
-        let uid = local_user_id.to_string();
-        let status_str = match status {
-            FollowingStatus::Pending => "pending",
-            FollowingStatus::Accepted => "accepted",
-        };
-        let result = sqlx::query(
-            "UPDATE ap_following SET status = ? WHERE local_user_id = ? AND remote_actor_url = ?",
-        )
-        .bind(status_str)
-        .bind(&uid)
-        .bind(remote_actor_url)
-        .execute(&self.pool)
-        .await?;
-        if result.rows_affected() == 0 {
-            tracing::warn!(local_user_id = %local_user_id, remote_actor_url, "update_following_status: no row found");
-        }
-        Ok(())
-    }
-
-    async fn get_following_outbox_url(
-        &self,
-        local_user_id: uuid::Uuid,
-        remote_actor_url: &str,
-    ) -> Result<Option<String>> {
-        let uid = local_user_id.to_string();
-        let row: Option<Option<String>> = sqlx::query_scalar(
-            "SELECT a.outbox_url
-             FROM ap_following f
-             INNER JOIN ap_remote_actors a ON a.url = f.remote_actor_url
-             WHERE f.local_user_id = ? AND f.remote_actor_url = ?",
-        )
-        .bind(&uid)
-        .bind(remote_actor_url)
-        .fetch_optional(&self.pool)
-        .await?;
-        Ok(row.flatten())
-    }
-
-    async fn migrate_follower_actor(
-        &self,
-        old_actor_url: &str,
-        new_actor_url: &str,
-    ) -> Result<Vec<uuid::Uuid>> {
-        let candidates: Vec<String> = sqlx::query_scalar(
-            "SELECT local_user_id FROM ap_following
-             WHERE remote_actor_url = ?1
-               AND local_user_id NOT IN (
-                   SELECT local_user_id FROM ap_following WHERE remote_actor_url = ?2
-               )",
-        )
-        .bind(old_actor_url)
-        .bind(new_actor_url)
-        .fetch_all(&self.pool)
-        .await?;
-
-        if candidates.is_empty() {
-            return Ok(vec![]);
-        }
-
-        sqlx::query(
-            "UPDATE ap_following SET remote_actor_url = ?1
-             WHERE remote_actor_url = ?2
-               AND local_user_id NOT IN (
-                   SELECT local_user_id FROM ap_following WHERE remote_actor_url = ?1
-               )",
-        )
-        .bind(new_actor_url)
-        .bind(old_actor_url)
-        .execute(&self.pool)
-        .await?;
-
-        candidates
-            .into_iter()
-            .map(|s| uuid::Uuid::parse_str(&s).map_err(|e| anyhow::anyhow!(e)))
-            .collect()
-    }
 }

crates/adapters/sqlite-federation/src/follow/following.rs

@@ -0,0 +1,124 @@
+use anyhow::Result;
+use async_trait::async_trait;
+use chrono::Utc;
+use k_ap::{FollowingReader, FollowingStatus, FollowingWriter, RemoteActor, RemoteActorCache};
+
+use crate::{SqliteFederationRepository, remote_actor_from_row};
+use adapter_common::datetime_to_str;
+
+#[async_trait]
+impl FollowingWriter for SqliteFederationRepository {
+    async fn add_following(
+        &self,
+        local_user_id: uuid::Uuid,
+        actor: RemoteActor,
+        follow_activity_id: &str,
+    ) -> Result<()> {
+        let uid = local_user_id.to_string();
+        let now = Utc::now().naive_utc();
+        let created_at = datetime_to_str(&now);
+        RemoteActorCache::upsert_remote_actor(self, actor.clone()).await?;
+        sqlx::query(
+            "INSERT OR IGNORE INTO ap_following (local_user_id, remote_actor_url, follow_activity_id, created_at)
+             VALUES (?, ?, ?, ?)",
+        ).bind(&uid).bind(&actor.url).bind(follow_activity_id).bind(&created_at).execute(&self.pool).await?;
+        Ok(())
+    }
+
+    async fn get_follow_activity_id(
+        &self,
+        local_user_id: uuid::Uuid,
+        remote_actor_url: &str,
+    ) -> Result<Option<String>> {
+        let uid = local_user_id.to_string();
+        let row: Option<Option<String>> = sqlx::query_scalar(
+            "SELECT follow_activity_id FROM ap_following WHERE local_user_id = ? AND remote_actor_url = ?",
+        ).bind(&uid).bind(remote_actor_url).fetch_optional(&self.pool).await?;
+        Ok(row.flatten())
+    }
+
+    async fn remove_following(&self, local_user_id: uuid::Uuid, actor_url: &str) -> Result<()> {
+        let uid = local_user_id.to_string();
+        sqlx::query("DELETE FROM ap_following WHERE local_user_id = ? AND remote_actor_url = ?")
+            .bind(&uid)
+            .bind(actor_url)
+            .execute(&self.pool)
+            .await?;
+        Ok(())
+    }
+
+    async fn update_following_status(
+        &self,
+        local_user_id: uuid::Uuid,
+        remote_actor_url: &str,
+        status: FollowingStatus,
+    ) -> Result<()> {
+        let uid = local_user_id.to_string();
+        let status_str = match status {
+            FollowingStatus::Pending => "pending",
+            FollowingStatus::Accepted => "accepted",
+        };
+        let result = sqlx::query(
+            "UPDATE ap_following SET status = ? WHERE local_user_id = ? AND remote_actor_url = ?",
+        )
+        .bind(status_str)
+        .bind(&uid)
+        .bind(remote_actor_url)
+        .execute(&self.pool)
+        .await?;
+        if result.rows_affected() == 0 {
+            tracing::warn!(local_user_id = %local_user_id, remote_actor_url, "update_following_status: no row found");
+        }
+        Ok(())
+    }
+}
+
+#[async_trait]
+impl FollowingReader for SqliteFederationRepository {
+    async fn get_following(&self, local_user_id: uuid::Uuid) -> Result<Vec<RemoteActor>> {
+        let uid = local_user_id.to_string();
+        let rows = sqlx::query(
+            "SELECT a.url, a.handle, a.inbox_url, a.shared_inbox_url, a.display_name, a.avatar_url,
+                    a.outbox_url, a.bio, a.banner_url, a.followers_url, a.following_url, a.also_known_as, a.fetched_at
+             FROM ap_following f
+             INNER JOIN ap_remote_actors a ON a.url = f.remote_actor_url
+             WHERE f.local_user_id = ? AND f.status = 'accepted'",
+        ).bind(&uid).fetch_all(&self.pool).await?;
+        Ok(rows
+            .iter()
+            .map(|row| remote_actor_from_row(row, "url"))
+            .collect())
+    }
+
+    async fn count_following(&self, local_user_id: uuid::Uuid) -> Result<usize> {
+        let uid = local_user_id.to_string();
+        let count: i64 = sqlx::query_scalar(
+            "SELECT COUNT(*) FROM ap_following WHERE local_user_id = ? AND status = 'accepted'",
+        )
+        .bind(&uid)
+        .fetch_one(&self.pool)
+        .await?;
+        Ok(count as usize)
+    }
+
+    async fn get_following_page(
+        &self,
+        local_user_id: uuid::Uuid,
+        offset: u32,
+        limit: usize,
+    ) -> Result<Vec<RemoteActor>> {
+        let uid = local_user_id.to_string();
+        let rows = sqlx::query(
+            "SELECT a.url, a.handle, a.inbox_url, a.shared_inbox_url, a.display_name, a.avatar_url,
+                    a.outbox_url, a.bio, a.banner_url, a.followers_url, a.following_url, a.also_known_as, a.fetched_at
+             FROM ap_following f
+             INNER JOIN ap_remote_actors a ON a.url = f.remote_actor_url
+             WHERE f.local_user_id = ? AND f.status = 'accepted'
+             ORDER BY f.created_at ASC LIMIT ? OFFSET ?",
+        ).bind(&uid).bind(limit as i64).bind(offset as i64).fetch_all(&self.pool).await?;
+        Ok(rows
+            .iter()
+            .map(|row| remote_actor_from_row(row, "url"))
+            .collect())
+    }
+}

crates/adapters/sqlite-federation/src/follow/migration.rs

@@ -0,0 +1,47 @@
+use anyhow::Result;
+use async_trait::async_trait;
+use k_ap::FollowMigration;
+
+use crate::SqliteFederationRepository;
+
+#[async_trait]
+impl FollowMigration for SqliteFederationRepository {
+    async fn migrate_follower_actor(
+        &self,
+        old_actor_url: &str,
+        new_actor_url: &str,
+    ) -> Result<Vec<uuid::Uuid>> {
+        let candidates: Vec<String> = sqlx::query_scalar(
+            "SELECT local_user_id FROM ap_following
+             WHERE remote_actor_url = ?1
+               AND local_user_id NOT IN (
+                   SELECT local_user_id FROM ap_following WHERE remote_actor_url = ?2
+               )",
+        )
+        .bind(old_actor_url)
+        .bind(new_actor_url)
+        .fetch_all(&self.pool)
+        .await?;
+
+        if candidates.is_empty() {
+            return Ok(vec![]);
+        }
+
+        sqlx::query(
+            "UPDATE ap_following SET remote_actor_url = ?1
+             WHERE remote_actor_url = ?2
+               AND local_user_id NOT IN (
+                   SELECT local_user_id FROM ap_following WHERE remote_actor_url = ?1
+               )",
+        )
+        .bind(new_actor_url)
+        .bind(old_actor_url)
+        .execute(&self.pool)
+        .await?;
+
+        candidates
+            .into_iter()
+            .map(|s| uuid::Uuid::parse_str(&s).map_err(|e| anyhow::anyhow!(e)))
+            .collect()
+    }
+}

crates/adapters/sqlite-federation/src/follow/mod.rs

@@ -0,0 +1,3 @@
+mod followers;
+mod following;
+mod migration;

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

@@ -102,10 +102,6 @@ pub fn wire(pool: SqlitePool) -> activitypub::FederationRepos {
     )
 }
 
-#[cfg(test)]
-#[path = "tests/outbox_url.rs"]
-mod outbox_url_tests;
-
 #[cfg(test)]
 #[path = "tests/actor_block_tests.rs"]
 mod actor_block_tests;

crates/adapters/sqlite-federation/src/tests/actor_block_tests.rs

@@ -1,5 +1,5 @@
 use super::*;
-use k_ap::BlocklistRepository;
+use k_ap::ActorBlocklist;
 use sqlx::SqlitePool;
 
 async fn test_pool() -> SqlitePool {

crates/adapters/sqlite-federation/src/tests/domain_block_tests.rs

@@ -1,5 +1,5 @@
 use super::*;
-use k_ap::BlocklistRepository;
+use k_ap::DomainBlocklist;
 use sqlx::SqlitePool;
 
 async fn test_pool() -> SqlitePool {

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

@@ -1,7 +1,7 @@
 use super::*;
 use chrono::Utc;
 use domain::ports::FederationAdminQuery;
-use k_ap::ActorRepository;
+use k_ap::AnnounceRepository;
 use sqlx::SqlitePool;
 
 async fn test_pool() -> SqlitePool {

crates/adapters/sqlite-federation/src/tests/outbox_url.rs

@@ -1,76 +0,0 @@
-use super::*;
-use k_ap::{FollowRepository, FollowingStatus, RemoteActor};
-
-async fn setup_pool() -> SqlitePool {
-    let pool = SqlitePool::connect(":memory:").await.unwrap();
-    sqlx::query(
-        "CREATE TABLE ap_remote_actors (
-            url TEXT PRIMARY KEY, handle TEXT NOT NULL, inbox_url TEXT NOT NULL,
-            shared_inbox_url TEXT, display_name TEXT, avatar_url TEXT,
-            outbox_url TEXT, bio TEXT, banner_url TEXT, followers_url TEXT,
-            following_url TEXT, also_known_as TEXT, fetched_at TEXT NOT NULL
-         );
-         CREATE TABLE ap_following (
-            local_user_id TEXT NOT NULL, remote_actor_url TEXT NOT NULL,
-            follow_activity_id TEXT, created_at TEXT NOT NULL,
-            status TEXT NOT NULL DEFAULT 'pending',
-            PRIMARY KEY (local_user_id, remote_actor_url)
-         );",
-    )
-    .execute(&pool)
-    .await
-    .unwrap();
-    pool
-}
-
-#[tokio::test]
-async fn get_following_outbox_url_returns_stored_url() {
-    let pool = setup_pool().await;
-    let repo = SqliteFederationRepository::new(pool);
-    let local_user = uuid::Uuid::new_v4();
-    let actor = RemoteActor {
-        url: "https://remote.example/users/alice".to_string(),
-        handle: "alice@remote.example".to_string(),
-        inbox_url: "https://remote.example/users/alice/inbox".to_string(),
-        shared_inbox_url: None,
-        display_name: None,
-        avatar_url: None,
-        outbox_url: Some("https://remote.example/users/alice/outbox".to_string()),
-        bio: None,
-        banner_url: None,
-        followers_url: None,
-        following_url: None,
-        also_known_as: vec![],
-        fetched_at: None,
-    };
-    repo.add_following(local_user, actor, "https://local/activities/1")
-        .await
-        .unwrap();
-    repo.update_following_status(
-        local_user,
-        "https://remote.example/users/alice",
-        FollowingStatus::Accepted,
-    )
-    .await
-    .unwrap();
-
-    let result = repo
-        .get_following_outbox_url(local_user, "https://remote.example/users/alice")
-        .await
-        .unwrap();
-    assert_eq!(
-        result,
-        Some("https://remote.example/users/alice/outbox".to_string())
-    );
-}
-
-#[tokio::test]
-async fn get_following_outbox_url_returns_none_when_not_following() {
-    let pool = setup_pool().await;
-    let repo = SqliteFederationRepository::new(pool);
-    let result = repo
-        .get_following_outbox_url(uuid::Uuid::new_v4(), "https://remote.example/users/alice")
-        .await
-        .unwrap();
-    assert_eq!(result, None);
-}