fold hive-c0re module tree into the daemon binary + drop dead pub items surfaced by bin-only (#2513)

hive-c0re/src/coordinator.rs

@@ -305,15 +305,15 @@ mod serve_config_tests {
 #[derive(Clone, Debug)]
 pub struct AgentPaths {
     /// Runtime socket dir (tmpfs, recreated per boot).
-    pub agent_dir: PathBuf,
+    pub agent: PathBuf,
     /// Manager-editable proposed config repo.
-    pub proposed_dir: PathBuf,
+    pub proposed: PathBuf,
     /// Hive-c0re-authoritative applied config repo.
-    pub applied_dir: PathBuf,
+    pub applied: PathBuf,
     /// Claude OAuth credentials (survives purge boundary).
-    pub claude_dir: PathBuf,
+    pub claude: PathBuf,
     /// Agent durable notes + forge token (survives purge boundary).
-    pub notes_dir: PathBuf,
+    pub notes: PathBuf,
 }
 
 /// Per-agent in-progress state that the dashboard surfaces between approve
@@ -377,7 +377,7 @@ pub enum TransientKind {
     Starting,
     /// `lifecycle::kill` is running.
     Stopping,
-    /// `lifecycle::restart` is running.
+    /// A restart (`lifecycle::kill` then `lifecycle::start`) is running.
     Restarting,
     /// `lifecycle::rebuild` is running (nixos-container update).
     Rebuilding,
@@ -542,11 +542,11 @@ impl Coordinator {
     #[must_use]
     pub fn agent_paths(name: &str, agent_dir: PathBuf) -> AgentPaths {
         AgentPaths {
-            agent_dir,
-            proposed_dir: Self::agent_proposed_dir(name),
-            applied_dir: crate::paths::applied_dir(name),
-            claude_dir: Self::agent_claude_dir(name),
-            notes_dir: Self::agent_notes_dir(name),
+            agent: agent_dir,
+            proposed: Self::agent_proposed_dir(name),
+            applied: crate::paths::applied_dir(name),
+            claude: Self::agent_claude_dir(name),
+            notes: Self::agent_notes_dir(name),
         }
     }