feat(tui): implement agent turn engine for background processing and enhance input handling

apps/gateway/src/bin/seed.rs

@@ -4,6 +4,8 @@
 //! configuration files plus a seed session for development/testing.
 //! Invoked as `cargo run --bin seed`.
 
+use tracing;
+
 fn main() -> anyhow::Result<()> {
     let store = zesdex_domain::core::Store::new();
     store.ensure_dirs()?;
@@ -18,9 +20,9 @@ fn main() -> anyhow::Result<()> {
         let f = std::fs::File::open(&tmp)?;
         f.sync_all()?;
         std::fs::rename(&tmp, settings_path)?;
-        println!("Default settings created");
+        tracing::info!("Default settings created");
     } else {
-        println!("Settings already exist, skipping");
+        tracing::info!("Settings already exist, skipping");
     }
 
     // Create default app config if not present
@@ -33,15 +35,15 @@ fn main() -> anyhow::Result<()> {
         let f = std::fs::File::open(&tmp)?;
         f.sync_all()?;
         std::fs::rename(&tmp, config_path)?;
-        println!("Default app_config created");
+        tracing::info!("Default app_config created");
     } else {
-        println!("App config already exists, skipping");
+        tracing::info!("App config already exists, skipping");
     }
 
     // Create data directories
     std::fs::create_dir_all(&store.memory_dir)?;
     std::fs::create_dir_all(&store.session_images_dir)?;
-    println!("All store directories verified");
+    tracing::info!("All store directories verified");
 
     // Create a seed session
     let session_id = uuid::Uuid::new_v4().to_string();
@@ -53,7 +55,7 @@ fn main() -> anyhow::Result<()> {
     use zesdex_domain::SessionRepository;
     let repo = zesdex_infrastructure::persistence::iam::session_repo::FileSystemSessionRepository::new();
     repo.save_session(&store.base_dir, &session)?;
-    println!("Seed session created: id={session_id}");
+    tracing::info!("Seed session created: id={session_id}");
 
     Ok(())
 }