From ccdf66dcd6bde87bc42ebdf7efb48ebe596cabe7 Mon Sep 17 00:00:00 2001
From: Indra Gunawan <1284811+coderbuzz@users.noreply.github.com>
Date: Wed, 1 Jul 2026 17:16:24 +0700
Subject: [PATCH] fix: console blank terminal + raw JSON echo in mock mode

---
 internal/http/console.go            | 13 +++++++++----
 internal/http/templates/layout.html |  9 +++++++--
 internal/ssh/client.go              |  6 ++++--
 3 files changed, 20 insertions(+), 8 deletions(-)

diff --git a/internal/http/console.go b/internal/http/console.go
index 6ba3cf4..911b842 100644
--- a/internal/http/console.go
+++ b/internal/http/console.go
@@ -99,11 +99,16 @@ func (h *ConsoleHandler) ServeWS(w http.ResponseWriter, r *http.Request) {
 				errCh <- err
 				return
 			}
-
 			var input ssh.Input
-			if json.Unmarshal(msg, &input) == nil && input.Resize != nil {
-				inCh <- input
-				continue
+			if json.Unmarshal(msg, &input) == nil {
+				if input.Resize != nil {
+					inCh <- input
+					continue
+				}
+				if len(input.Data) > 0 {
+					inCh <- input
+					continue
+				}
 			}
 
 			inCh <- ssh.Input{Data: msg}
diff --git a/internal/http/templates/layout.html b/internal/http/templates/layout.html
index 88aa93c..fef415b 100644
--- a/internal/http/templates/layout.html
+++ b/internal/http/templates/layout.html
@@ -409,6 +409,7 @@
 	setTimeout(function() { fitAddon.fit(); }, 50);
 
 	ws = new WebSocket(proto + '//' + host + base + 'api/servers/' + serverId + '/console');
+	ws.binaryType = 'arraybuffer';
 
 	ws.onopen = function() {
 		document.getElementById('console-status').textContent = 'Connected';
@@ -421,9 +422,13 @@
 	};
 
 	ws.onmessage = function(evt) {
-		term.write(evt.data);
+		var data = evt.data;
+		if (data instanceof ArrayBuffer) {
+			term.write(new Uint8Array(data));
+		} else {
+			term.write(data);
+		}
 	};
-
 	ws.onclose = function() {
 		document.getElementById('console-status').textContent = 'Disconnected';
 		document.getElementById('console-status').className = 'badge badge-offline';
diff --git a/internal/ssh/client.go b/internal/ssh/client.go
index fed6d00..db19b82 100644
--- a/internal/ssh/client.go
+++ b/internal/ssh/client.go
@@ -94,8 +94,10 @@ func (c *Client) Shell(ctx context.Context, rows, cols int) (<-chan Output, chan
 	}
 
 	if err := session.RequestPty("xterm-256color", rows, cols, gossh.TerminalModes{
-		gossh.ECHO:  1,
-		gossh.OCRNL: 1,
+		gossh.ECHO:          1,
+		gossh.OCRNL:         1,
+		gossh.TTY_OP_ISPEED: 14400,
+		gossh.TTY_OP_OSPEED: 14400,
 	}); err != nil {
 		session.Close()
 		return nil, nil, fmt.Errorf("request pty: %w", err)