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

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

@@ -30,6 +30,11 @@ impl Endpoint {
 }
 
 /// Provider quirks for codec/protocol workarounds.
+//
+// Deserialized from provider config for TS parity. Early-media silence
+// injection and related workarounds are not yet ported to the Rust engine,
+// so every field is populated by serde but not yet consumed.
+#[allow(dead_code)]
 #[derive(Debug, Clone, Deserialize)]
 pub struct Quirks {
     #[serde(rename = "earlyMediaSilence")]
@@ -44,6 +49,9 @@ pub struct Quirks {
 #[derive(Debug, Clone, Deserialize)]
 pub struct ProviderConfig {
     pub id: String,
+    // UI label — populated by serde for parity with the TS config, not
+    // consumed at runtime.
+    #[allow(dead_code)]
     #[serde(rename = "displayName")]
     pub display_name: String,
     pub domain: String,
@@ -54,6 +62,8 @@ pub struct ProviderConfig {
     #[serde(rename = "registerIntervalSec")]
     pub register_interval_sec: u32,
     pub codecs: Vec<u8>,
+    // Workaround knobs populated by serde but not yet acted upon — see Quirks.
+    #[allow(dead_code)]
     pub quirks: Quirks,
 }
 
@@ -84,6 +94,10 @@ pub struct RouteMatch {
 
 /// Route action.
 #[derive(Debug, Clone, Deserialize)]
+// Several fields (voicemail_box, ivr_menu_id, no_answer_timeout) are read
+// by resolve_inbound_route but not yet honored downstream — see the
+// multi-target TODO in CallManager::create_inbound_call.
+#[allow(dead_code)]
 pub struct RouteAction {
     pub targets: Option<Vec<String>>,
     #[serde(rename = "ringBrowsers")]
@@ -106,7 +120,11 @@ pub struct RouteAction {
 /// A routing rule.
 #[derive(Debug, Clone, Deserialize)]
 pub struct Route {
+    // `id` and `name` are UI identifiers, populated by serde but not
+    // consumed by the resolvers.
+    #[allow(dead_code)]
     pub id: String,
+    #[allow(dead_code)]
     pub name: String,
     pub priority: i32,
     pub enabled: bool,
@@ -192,10 +210,18 @@ pub fn matches_pattern(pattern: Option<&str>, value: &str) -> bool {
 /// Result of resolving an outbound route.
 pub struct OutboundRouteResult {
     pub provider: ProviderConfig,
+    // TODO: prefix rewriting is unfinished — this is computed but the
+    // caller ignores it and uses the raw dialed number.
+    #[allow(dead_code)]
     pub transformed_number: String,
 }
 
 /// Result of resolving an inbound route.
+//
+// `device_ids` and `ring_browsers` are consumed by create_inbound_call.
+// The remaining fields (voicemail_box, ivr_menu_id, no_answer_timeout)
+// are resolved but not yet acted upon — see the multi-target TODO.
+#[allow(dead_code)]
 pub struct InboundRouteResult {
     pub device_ids: Vec<String>,
     pub ring_browsers: bool,