Remove re-export-only shim modules

CLAUDE.md

@@ -59,8 +59,7 @@ Self-contained Airflow API client library. Has no dependencies on other workspac
 TUI-specific configuration management. Depends on `flowrs-airflow` for auth/server types (re-exports them).
 - `src/lib.rs`: `FlowrsConfig` struct (servers, managed_services, poll_interval, etc.), TOML parsing/writing
 - `src/paths.rs`: `ConfigPaths` for XDG-compliant config file resolution
-- `src/auth.rs`: Re-exports auth types from `flowrs-airflow`
-- `src/server.rs`: Re-exports server config types from `flowrs-airflow`
+- Auth and server config types are owned by `flowrs-airflow` and re-exported from `src/lib.rs`
 
 ### flowrs-tui (root crate, `src/`)
 The TUI binary. Depends on both `flowrs-airflow` and `flowrs-config`.

crates/flowrs-airflow/src/managed_services/composer/client.rs

@@ -9,7 +9,7 @@ use std::time::Duration;
 use crate::auth::AirflowAuth;
 use crate::config::{AirflowConfig, AirflowVersion, ManagedService};
 
-use super::auth::ComposerAuth;
+use super::ComposerAuth;
 
 const RESOURCE_MANAGER_URL: &str = "https://cloudresourcemanager.googleapis.com/v1/projects";
 const COMPOSER_API_URL: &str = "https://composer.googleapis.com/v1";

crates/flowrs-airflow/src/managed_services/composer/mod.rs

@@ -1,9 +1,8 @@
-mod auth;
 mod client;
 mod provider;
 mod regions;
 
-pub use auth::ComposerAuth;
+pub use crate::auth::ComposerAuth;
 pub use client::{get_composer_environment_servers, ComposerClient};
 pub use provider::ComposerAuthProvider;
 pub use regions::{get_gcloud_default_region, GCP_REGIONS};

crates/flowrs-config/src/lib.rs

@@ -1,12 +1,12 @@
-pub mod auth;
 pub mod paths;
-pub mod server;
 pub mod theme;
 
-// Re-export all public types at crate root for ergonomic imports
-pub use auth::{AirflowAuth, BasicAuth, TokenSource};
+// Auth and server config types are owned by flowrs-airflow; re-export them at
+// the crate root so callers get one ergonomic import path.
+pub use flowrs_airflow::{
+    AirflowAuth, AirflowConfig, AirflowVersion, BasicAuth, GccConfig, ManagedService, TokenSource,
+};
 pub use paths::ConfigPaths;
-pub use server::{AirflowConfig, AirflowVersion, GccConfig, ManagedService};
 pub use theme::Theme;
 
 use std::fs::OpenOptions;
@@ -223,7 +223,7 @@ password = "airflow"
 
     #[test]
     fn test_write_config_conveyor() {
-        use server::default_timeout;
+        use flowrs_airflow::config::default_timeout;
 
         let config = FlowrsConfig {
             servers: vec![AirflowConfig {
@@ -316,7 +316,7 @@ password = "airflow"
             }),
             managed,
             version: AirflowVersion::V2,
-            timeout_secs: server::default_timeout(),
+            timeout_secs: flowrs_airflow::config::default_timeout(),
             insecure: false,
         }
     }