feat(host): emit desktop audio exclusion status events

src/host/aec/mod.rs

@@ -195,6 +195,14 @@ impl AecValidator {
         self.state
     }
 
+    /// The configured module index regardless of validation state. Status
+    /// reporting and foreign-AEC detection need to name the intended identity
+    /// without treating it as trusted for taint; only
+    /// [`Self::validated_module_id`] grants that trust.
+    pub fn configured_module_id(&self) -> Option<u64> {
+        self.target
+    }
+
     /// The validated index to place in
     /// [`ExclusionCtx::aec_module_id`](crate::host::taint::ExclusionCtx) —
     /// `Some` **only** in [`AecState::Validated`]. `None` everywhere else,