Refactor provider transport modules

crates/aether-provider-transport/src/antigravity/mod.rs

@@ -0,0 +1,24 @@
+mod auth;
+mod policy;
+mod request;
+mod url;
+
+pub use auth::{
+    build_antigravity_static_identity_headers, resolve_local_antigravity_request_auth,
+    AntigravityRequestAuth, AntigravityRequestAuthSupport, AntigravityRequestAuthUnsupportedReason,
+    ANTIGRAVITY_PROVIDER_TYPE, ANTIGRAVITY_REQUEST_USER_AGENT,
+};
+pub use policy::{
+    classify_local_antigravity_request_support, is_antigravity_provider_transport,
+    AntigravityRequestSideSpec, AntigravityRequestSideSupport,
+    AntigravityRequestSideUnsupportedReason,
+};
+pub use request::{
+    build_antigravity_safe_v1internal_request, classify_antigravity_safe_request_body,
+    AntigravityEnvelopeRequestType, AntigravityRequestEnvelopeSupport,
+    AntigravityRequestEnvelopeUnsupportedReason,
+};
+pub use url::{
+    build_antigravity_v1internal_url, AntigravityRequestUrlAction,
+    ANTIGRAVITY_V1INTERNAL_PATH_TEMPLATE,
+};