feat(#2302): thread &Ident through agent path builders

hive-c0re/src/stats/container_stats.rs

@@ -115,7 +115,7 @@ async fn du_bytes(path: &std::path::Path) -> Option<u64> {
 /// agent's state-dir contribution was 0; with the writable rootfs nearly empty
 /// (almost everything is bind-mounted), that surfaced as all agents reporting
 /// 0 disk.
-async fn measure_agent_disk(name: &str) -> u64 {
+async fn measure_agent_disk(name: &hive_host_sock::Ident) -> u64 {
     let state_dir = Coordinator::agent_notes_dir(name);
     let rootfs = PathBuf::from(format!("{NIXOS_CONTAINERS_ROOT}/h-{name}"));
     let mut total = 0u64;
@@ -136,7 +136,7 @@ pub async fn disk_sampler_loop() {
         for name in Coordinator::kept_state_names() {
             let bytes = measure_agent_disk(&name).await;
             if let Ok(mut cache) = disk_cache().write() {
-                cache.insert(name, bytes);
+                cache.insert(name.into_string(), bytes);
             }
         }
         sleep(DISK_SAMPLE_INTERVAL).await;
@@ -240,7 +240,9 @@ pub async fn gather() -> Vec<ContainerResource> {
         .into_iter()
         .filter_map(|name| {
             let dir = scope_dir(&format!("h-{name}"));
-            dir.join("cpu.stat").exists().then_some((name, dir))
+            dir.join("cpu.stat")
+                .exists()
+                .then_some((name.into_string(), dir))
         })
         .collect();
 

hive-c0re/src/stats/hive_stats.rs

@@ -366,7 +366,7 @@ pub fn hive_snapshot(window: Window, prices: &PriceTable) -> HiveStats {
             *bash_mix.entry(h.clone()).or_insert(0) += c;
         }
         agents.push(AgentRollup {
-            name,
+            name: name.into_string(),
             turns: agg.turns,
             input_tokens: agg.input,
             output_tokens: agg.output,