structural refactor and codebase improvements

crates/domain/src/value_objects/social.rs

@@ -7,18 +7,6 @@ pub enum SocialIdentity {
 }
 
 impl SocialIdentity {
-    pub fn from_actor_url(actor_url: &str, base_url: &str) -> Self {
-        let prefix = format!("{}/users/", base_url);
-        if let Some(uuid_str) = actor_url.strip_prefix(&prefix)
-            && let Ok(uuid) = uuid::Uuid::parse_str(uuid_str)
-        {
-            return Self::Local(UserId::from_uuid(uuid));
-        }
-        Self::Remote {
-            actor_url: actor_url.to_string(),
-        }
-    }
-
     pub fn is_local(&self) -> bool {
         matches!(self, Self::Local(_))
     }
@@ -26,19 +14,6 @@ impl SocialIdentity {
     pub fn is_remote(&self) -> bool {
         matches!(self, Self::Remote { .. })
     }
-
-    pub fn format_local_handle(username: &str, base_url: &str) -> String {
-        let host = Self::host_from_base_url(base_url);
-        format!("@{}@{}", username, host)
-    }
-
-    pub fn host_from_base_url(base_url: &str) -> &str {
-        base_url
-            .split("://")
-            .nth(1)
-            .and_then(|s| s.split('/').next())
-            .unwrap_or("localhost")
-    }
 }
 
 #[derive(Clone, Copy, Debug, PartialEq, Eq)]
@@ -61,3 +36,11 @@ pub struct SocialActor {
     pub display_name: Option<String>,
     pub avatar_url: Option<String>,
 }
+
+/// Both directions of the follow edge between a viewer and a target.
+/// `None` means no edge at all; `Some(Pending)` means requested but not accepted.
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Default)]
+pub struct FollowRelation {
+    pub following: Option<FollowStatus>,
+    pub followed_by: Option<FollowStatus>,
+}