fix: gate unix socket AHP on unix targets

Author: claude

.github/setup-workspace.sh

@@ -15,6 +15,7 @@ sed -i.bak \
   -e 's|a3s-search = { version = "1.2.3", path = "../../search", default-features = false, features = \["lightpanda"\] }|a3s-search = { version = "1.2.3", default-features = false, features = ["lightpanda"] }|' \
   -e 's|a3s-box-sdk = { version = "0.7", path = "../../box/src/sdk", optional = true }|a3s-box-sdk = { version = "0.7", optional = true }|' \
   -e 's|a3s-ahp = { version = "2.3", path = "../../ahp", optional = true, features = \["http", "websocket", "unix-socket"\] }|a3s-ahp = { version = "2.3", optional = true, features = ["http", "websocket", "unix-socket"] }|' \
+  -e 's|a3s-ahp = { version = "2.3", path = "../../ahp", optional = true, features = \["http", "websocket"\] }|a3s-ahp = { version = "2.3", optional = true, features = ["http", "websocket"] }|' \
   core/Cargo.toml
 rm -f core/Cargo.toml.bak
 

core/Cargo.toml

@@ -17,7 +17,6 @@ a3s-common = { version = "0.1", path = "../../common" }
 a3s-memory = { version = "0.1.1", path = "../../memory" }
 a3s-lane = { version = "0.4", path = "../../lane" }
 a3s-search = { version = "1.2.3", path = "../../search", default-features = false, features = ["lightpanda"] }
-a3s-ahp = { version = "2.3", path = "../../ahp", optional = true, features = ["http", "websocket", "unix-socket"] }
 
 # Async runtime
 tokio = { version = "1.35", features = [
@@ -104,6 +103,12 @@ uuid = { version = "1.6", features = ["v4", "serde"] }
 # Time handling
 chrono = { version = "0.4", features = ["serde"] }
 
+[target.'cfg(unix)'.dependencies]
+a3s-ahp = { version = "2.3", path = "../../ahp", optional = true, features = ["http", "websocket", "unix-socket"] }
+
+[target.'cfg(not(unix))'.dependencies]
+a3s-ahp = { version = "2.3", path = "../../ahp", optional = true, features = ["http", "websocket"] }
+
 [features]
 default = []
 # Enable OpenTelemetry OTLP export for traces and metrics.

sdk/node/src/lib.rs

@@ -1717,9 +1717,16 @@ fn js_session_options_to_rust(options: Option<SessionOptions>) -> RustSessionOpt
                 }
             }
             "unix_socket" => {
-                if let Some(path) = &transport.path {
-                    Some(AhpTransport::UnixSocket { path: path.clone() })
-                } else {
+                #[cfg(unix)]
+                {
+                    if let Some(path) = &transport.path {
+                        Some(AhpTransport::UnixSocket { path: path.clone() })
+                    } else {
+                        None
+                    }
+                }
+                #[cfg(not(unix))]
+                {
                     None
                 }
             }

sdk/python/src/lib.rs

@@ -4191,6 +4191,7 @@ fn build_rust_session_options(so: PySessionOptions) -> PyResult<RustSessionOptio
                 });
             }
             // Try Unix socket transport
+            #[cfg(unix)]
             if let Ok(unix) = transport_obj.extract::<pyo3::PyRef<PyUnixSocketTransport>>(py) {
                 return Some(AhpTransport::UnixSocket {
                     path: unix.path.clone(),