Fix init output to show actual data directory path

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

warzone/crates/warzone-client/src/cli/init.rs

@@ -27,7 +27,7 @@ pub fn run() -> Result<()> {
 
     // Save encrypted seed
     keystore::save_seed(&seed)?;
-    println!("Seed saved to ~/.warzone/identity.seed");
+    println!("Seed saved to {}", keystore::data_dir().join("identity.seed").display());
 
     // Generate pre-keys and store secrets locally
     let db = LocalDb::open()?;