refactor(#2285): drop coordinator 1:1 path accessors, callers use paths:: directly

hive-c0re/src/migrate.rs

@@ -267,7 +267,7 @@ async fn enumerate_agents() -> Vec<String> {
 }
 
 async fn migrate_applied_repo(name: &str) -> Result<()> {
-    let dir = Coordinator::agent_applied_dir(name);
+    let dir = crate::paths::applied_dir(name);
     if !dir.join(".git").exists() {
         return Ok(());
     }