if you let AI add Deserialize for everything Serialize you will have to fight this

Co-authored-by: Copilot <[email protected]>

Cargo.lock

@@ -3779,6 +3779,7 @@ version = "0.3.0"
 dependencies = [
  "macaddr",
  "serde",
+ "serde_json",
  "serde_with",
  "strum",
  "thiserror 2.0.18",

src/service/leases.rs

@@ -16,6 +16,8 @@ pub async fn get_leases_with_neighbor_state() -> Result<Vec<DhcpLeaseWithState>>
     let leases = wakey_linux::dhcp::read_dhcp_leases_with_names()
         .await
         .context("failed to read DHCP leases")?;
+    // this is only used in the wakey CLI
+    #[allow(deprecated)]
     Ok(wakey_linux::dhcp::enrich_leases_with_nud_state(leases).await)
 }
 

wakey-agent/src/dispatch.rs

@@ -29,6 +29,8 @@ async fn dispatch_leases(req: LeasesRequest, config: &AgentConfig) -> Result<Com
     )
     .await?;
     let leases = if req.include_state {
+        // only runs when requested explicitly to the endpoint
+        #[allow(deprecated)]
         wakey::wakey_linux::dhcp::enrich_leases_with_nud_state(leases).await
     } else {
         wakey::leases_without_state(leases)

wakey-core/Cargo.toml

@@ -10,3 +10,6 @@ serde = { workspace = true }
 serde_with = { version = "3", features = ["json"] }
 strum = { version = "0", features = ["derive", "strum_macros"] }
 thiserror = "2"
+
+[dev-dependencies]
+serde_json.workspace = true

wakey-core/src/model/neighbor.rs

@@ -12,7 +12,7 @@ use crate::parse::mac;
 pub struct NeighborEntry {
     pub ip: IpAddr,
     pub dev: Option<String>,
-    #[serde(with = "mac::option_mac")]
+    #[serde(with = "mac::option_mac", default)]
     pub mac: Option<MacAddr>,
     pub state: NeighborState,
 }
@@ -132,3 +132,27 @@ impl FromStr for NeighborEntry {
         parse_neighbor_line(s)
     }
 }
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    #[test]
+    fn deserialize_online_neighbor() {
+        NeighborEntry::deserialize(serde_json::json!({
+            "ip" : "192.168.100.94",
+            "dev" : "br-lan",
+            "mac" : "04:7C:16:79:6D:EE",
+            "state" : "REACHABLE"
+        }))
+        .expect("all fields must pass");
+    }
+    #[test]
+    fn deserialize_failed_neighbor() {
+        NeighborEntry::deserialize(serde_json::json!({
+            "ip" : "192.168.100.94",
+            "dev" : "br-lan",
+            "state" : "FAILED"
+        }))
+        .expect("default");
+    }
+}

wakey-linux/src/dhcp.rs

@@ -2,10 +2,12 @@ use std::path::PathBuf;
 
 mod leases;
 
+#[allow(deprecated)]
+pub use leases::enrich_leases_with_nud_state;
+
 pub use leases::{
-    enrich_leases_with_nud_state, parse_dhcp_lease_line, read_dhcp_leases,
-    read_dhcp_leases_from_path, read_dhcp_leases_with_names,
-    read_dhcp_leases_with_names_from_paths,
+    parse_dhcp_lease_line, read_dhcp_leases, read_dhcp_leases_from_path,
+    read_dhcp_leases_with_names, read_dhcp_leases_with_names_from_paths,
 };
 
 const DEFAULT_DHCP_LEASES: &str = "/tmp/dhcp.leases";

wakey-linux/src/dhcp/leases.rs

@@ -89,6 +89,7 @@ pub async fn read_dhcp_leases_with_names_from_paths(
 }
 
 /// Enrich DHCP leases with the best currently known neighbor state per IP.
+#[deprecated(note = "use inventory")]
 pub async fn enrich_leases_with_nud_state(leases: Vec<DhcpLease>) -> Vec<DhcpLeaseWithState> {
     let ips: Vec<IpAddr> = leases.iter().map(|l| l.ip).collect();
     let mut map: std::collections::HashMap<IpAddr, wakey_core::NeighborState> =