get_agent_meta: include hive_name + swarm_name in response (#710)

hive-c0re/src/container_view.rs

@@ -284,6 +284,26 @@ pub async fn read_agent_status_live(name: &str) -> (Option<String>, Option<i64>,
     (text, set_at, true)
 }
 
+/// Host-side hive + swarm display names, read from the c0re service's
+/// own process env. The `hive-c0re.nix` module sets these from
+/// `services.hyperhive.{hiveName, swarmName}` (#701). The agent-side
+/// `hive-ag3nt::identity::{hive_name, swarm_name}` accessors read the
+/// same env vars after they're forwarded into each sub-agent's
+/// harness service environment by `meta::render_flake`; surfacing
+/// them here from c0re's own env keeps the manager + agent
+/// `GetAgentMeta` paths consistent without a round-trip to the
+/// target container (#710).
+///
+/// Returns `(hive_name, swarm_name)`. Each is `None` when the
+/// corresponding env var is unset or empty.
+#[must_use]
+pub fn hive_swarm_names() -> (Option<String>, Option<String>) {
+    let read = |var: &str| -> Option<String> {
+        std::env::var(var).ok().filter(|s| !s.is_empty())
+    };
+    (read("HYPERHIVE_HIVE_NAME"), read("HYPERHIVE_SWARM_NAME"))
+}
+
 /// Read the agent's most recent completed turn from its turn-stats
 /// `SQLite`: the context-window size (prompt tokens) and the model name.
 /// Returns `None` when the file is absent or has no rows. Best-effort