fix: gate fingerprint line-count test on ssh feature; fix mut state vars in TUI

Agent-Logs-Url: https://github.com/rexlunae/RustyClaw/sessions/f22e383a-bf46-4359-82d5-e9cf33415211

Co-authored-by: rexlunae <6726134+rexlunae@users.noreply.github.com>

Author: Copilot

Cargo.lock

@@ -175,6 +175,7 @@ mod tests {
 
         assert!(art.contains("+---[ED25519"));
         assert!(art.contains("+----[SHA256]"));
+        #[cfg(feature = "ssh")]
         assert!(art.lines().count() == 11);  // 9 rows + 2 borders
     }
 }

crates/rustyclaw-core/src/pairing/fingerprint.rs

@@ -1773,10 +1773,10 @@ mod tui_component {
             hooks.use_state(|| crate::components::pairing_dialog::PairingStep::ShowKey);
         let mut pairing_field: State<crate::components::pairing_dialog::PairingField> =
             hooks.use_state(|| crate::components::pairing_dialog::PairingField::Host);
-        let pairing_public_key = hooks.use_state(|| String::new());
-        let pairing_fingerprint = hooks.use_state(|| String::new());
-        let pairing_fingerprint_art = hooks.use_state(|| String::new());
-        let pairing_qr_ascii = hooks.use_state(|| String::new());
+        let mut pairing_public_key = hooks.use_state(|| String::new());
+        let mut pairing_fingerprint = hooks.use_state(|| String::new());
+        let mut pairing_fingerprint_art = hooks.use_state(|| String::new());
+        let mut pairing_qr_ascii = hooks.use_state(|| String::new());
         let mut pairing_host = hooks.use_state(|| String::new());
         let mut pairing_port = hooks.use_state(|| "2222".to_string());
         let mut pairing_error = hooks.use_state(|| String::new());