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

hive-c0re/src/stats/sweep_health.rs

@@ -93,12 +93,6 @@ impl SweepHealth {
             None => self.guard = Some(set_warning(self.kind, self.level, msg)),
         }
     }
-
-    /// Whether the banner warning is currently raised for this sweep.
-    #[must_use]
-    pub fn is_warning(&self) -> bool {
-        self.guard.is_some()
-    }
 }
 
 /// Compact human-readable age (e.g. `"45s"`, `"12m"`, `"3h"`, `"2d"`) for a
@@ -135,7 +129,7 @@ mod tests {
         let mut h = SweepHealth::new("sh_below", "warn", 3);
         h.record_err(|_| "boom".to_owned());
         h.record_err(|_| "boom".to_owned());
-        assert!(!h.is_warning());
+        assert!(h.guard.is_none());
         assert!(banner("sh_below").is_none());
     }
 
@@ -146,9 +140,9 @@ mod tests {
         assert!(banner("sh_raise").is_none(), "one miss < threshold");
         h.record_err(|c| format!("fail #{}", c.consecutive));
         assert_eq!(banner("sh_raise").as_deref(), Some("fail #2"));
-        assert!(h.is_warning());
+        assert!(h.guard.is_some());
         h.record_ok();
-        assert!(!h.is_warning());
+        assert!(h.guard.is_none());
         assert!(banner("sh_raise").is_none(), "success clears the banner");
     }