Add ssh-open: open iTerm2 window with 6 SSH tabs

Opens a new iTerm2 window with tabs that ssh into ta, vrc, aws-vanhoa,
toc, oc, tk in order. Tab colors are applied by the ssh() override in
~/.zshrc (per-host); a small delay between tab creations lets iTerm
process the color OSC reliably.

Co-Authored-By: Claude <noreply@anthropic.com>

ssh-open

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+#!/usr/bin/env bash
+# ssh-open — mở cửa sổ iTerm2 mới với 6 tab, mỗi tab ssh vào 1 host theo thứ tự.
+# Màu tab do ~/.zshrc (hàm ssh() override) tự set khi ssh chạy trong tab.
+# delay giữa các tab để iTerm kịp xử lý OSC đổi màu (tránh mất màu khi tạo tab liên tục).
+set -euo pipefail
+
+# Danh sách host theo thứ tự (alias từ ~/.ssh/config).
+HOSTS=(ta vrc aws-vanhoa toc oc tk)
+
+# Sinh AppleScript list: {"ta","vrc",...}
+alist="$(printf '"%s",' "${HOSTS[@]}")"
+alist="{${alist%,}}"
+
+osascript <<APPLESCRIPT
+tell application "iTerm"
+    activate
+    set theHosts to $alist
+    set newWindow to (create window with default profile)
+    delay 0.5
+    tell newWindow
+        -- Tab đầu: dùng tab gốc của cửa sổ mới.
+        tell current session of current tab
+            write text ("ssh " & item 1 of theHosts)
+        end tell
+        -- Các host còn lại: mỗi host 1 tab mới.
+        repeat with i from 2 to (count of theHosts)
+            set t to (create tab with default profile)
+            delay 0.5
+            tell current session of t
+                write text ("ssh " & item i of theHosts)
+            end tell
+        end repeat
+    end tell
+end tell
+APPLESCRIPT