fix(proxy-engine): fix inbound route browser ringing and provider-facing SDP advertisement while preventing RTP port exhaustion

rust/crates/proxy-engine/src/registrar.rs

@@ -19,11 +19,19 @@ const MAX_EXPIRES: u32 = 300;
 #[derive(Debug, Clone)]
 pub struct RegisteredDevice {
     pub device_id: String,
+    // These fields are populated at REGISTER time for logging/debugging but are
+    // not read back — device identity flows via the `device_registered` push
+    // event, not via struct queries. Kept behind allow(dead_code) because
+    // removing them would churn handle_register for no runtime benefit.
+    #[allow(dead_code)]
     pub display_name: String,
+    #[allow(dead_code)]
     pub extension: String,
     pub contact_addr: SocketAddr,
+    #[allow(dead_code)]
     pub registered_at: Instant,
     pub expires_at: Instant,
+    #[allow(dead_code)]
     pub aor: String,
 }
 
@@ -134,11 +142,6 @@ impl Registrar {
         Some(entry.contact_addr)
     }
 
-    /// Check if a source address belongs to a known device.
-    pub fn is_known_device_address(&self, addr: &str) -> bool {
-        self.devices.iter().any(|d| d.expected_address == addr)
-    }
-
     /// Find a registered device by its source IP address.
     pub fn find_by_address(&self, addr: &SocketAddr) -> Option<&RegisteredDevice> {
         let ip = addr.ip().to_string();
@@ -146,26 +149,4 @@ impl Registrar {
             e.contact_addr.ip().to_string() == ip && Instant::now() <= e.expires_at
         })
     }
-
-    /// Get all device statuses for the dashboard.
-    pub fn get_all_statuses(&self) -> Vec<serde_json::Value> {
-        let now = Instant::now();
-        let mut result = Vec::new();
-
-        for dc in &self.devices {
-            let reg = self.registered.get(&dc.id);
-            let connected = reg.map(|r| now <= r.expires_at).unwrap_or(false);
-            result.push(serde_json::json!({
-                "id": dc.id,
-                "displayName": dc.display_name,
-                "address": reg.filter(|_| connected).map(|r| r.contact_addr.ip().to_string()),
-                "port": reg.filter(|_| connected).map(|r| r.contact_addr.port()),
-                "aor": reg.map(|r| r.aor.as_str()).unwrap_or(""),
-                "connected": connected,
-                "isBrowser": false,
-            }));
-        }
-
-        result
-    }
 }