🧹 refactor: replace unsafe unwraps in pipewire port parsing with safe destructuring (#34)

Replaced sequential unwraps on pipewire properties ("node.id", "port.id", "port.name")
with an `if let` and `and_then()` pattern in `src/utils/pipewire.rs`. This provides
safety against daemon crashes when properties are missing or malformed by silently
returning instead of panicking.

Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>

src/utils/pipewire.rs

@@ -57,17 +57,19 @@ fn parse_global_object(
             };
             // Check if the object is a port
         } else if props.get("port.direction").is_some() {
-            let node_id = props.get("node.id").unwrap().parse::<u32>().unwrap();
-            let port_id = props.get("port.id").unwrap().parse::<u32>().unwrap();
-            let port_name = props.get("port.name").unwrap();
+            if let (Some(node_id), Some(port_id), Some(port_name)) = (
+                props.get("node.id").and_then(|id| id.parse::<u32>().ok()),
+                props.get("port.id").and_then(|id| id.parse::<u32>().ok()),
+                props.get("port.name"),
+            ) {
+                let port = Port {
+                    node_id,
+                    port_id,
+                    name: port_name.to_string(),
+                };
 
-            let port = Port {
-                node_id,
-                port_id,
-                name: port_name.to_string(),
-            };
-
-            return (None, Some(port));
+                return (None, Some(port));
+            }
         }
     }
     (None, None)