update

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>

ask

@@ -1,217 +0,0 @@
-#!/usr/bin/env bash
-
-: <<'DOC'
-ask — AI terminal assistant (macOS/Linux)
-
-Setup API key (macOS Keychain):
-  security add-generic-password -a "$USER" -s TK_AI_API_TOKEN -w "YOUR_API_KEY"
-Setup API key (Arch/Linux — libsecret):
-  echo "YOUR_API_KEY" | secret-tool store --label "AI API Token" service TK_AI_API_TOKEN
-
-Usage:
-  ask "question"
-  ask -i        # interactive mode
-  ask -v        # verbose (debug raw response)
-DOC
-
-# ===== CONFIG =====
-SERVER="https://ai.acbpro.com/v1/chat/completions"
-MODEL="gpt-5.3-codex"
-KEY_NAME="TK_AI_API_TOKEN"
-
-# ===== OS DETECTION =====
-if [ -f /etc/arch-release ]; then
-  OS="arch"
-elif [ "$(uname -s)" = "Darwin" ]; then
-  OS="macos"
-else
-  OS="linux"
-fi
-
-VERBOSE=0
-INTERACTIVE=0
-
-# ===== COLORS =====
-GREEN="\033[1;32m"
-CYAN="\033[1;36m"
-YELLOW="\033[1;33m"
-RED="\033[1;31m"
-RESET="\033[0m"
-
-# ===== PARSE FLAGS =====
-while [[ "$1" == -* ]]; do
-  case "$1" in
-    -v) VERBOSE=1 ;;
-    -i) INTERACTIVE=1 ;;
-  esac
-  shift
-done
-
-# ===== LOAD TOKEN =====
-if [ -n "${!KEY_NAME}" ]; then
-  API_TOKEN="${!KEY_NAME}"
-else
-  case "$OS" in
-    macos)
-      API_TOKEN=$(security find-generic-password -a "$USER" -s "$KEY_NAME" -w 2>/dev/null | tr -d '\n')
-      ;;
-    *)
-      API_TOKEN=$(secret-tool lookup service "$KEY_NAME" 2>/dev/null | tr -d '\n')
-      ;;
-  esac
-fi
-
-if [ -z "$API_TOKEN" ]; then
-  echo "❌ API token not found ($KEY_NAME)" >&2
-  exit 1
-fi
-
-# ===== SYSTEM PROMPT =====
-SYSTEM_PROMPT="You are a terminal assistant for macOS (zsh/bash).
-
-- Default: return ONLY the command, no explanation.
-- If user asks for explanation, then explain.
-- Commands must be safe and runnable.
-- Prefer standard macOS/Linux tools.
-- No markdown, no code block.
-"
-
-# ===== TERMINAL STATUS =====
-supports_status_line() {
-  [ -t 2 ] && [ "${TERM:-}" != "dumb" ]
-}
-
-render_status_line() {
-  supports_status_line || return 0
-  printf '\r\033[2K%b' "$1" >&2
-}
-
-clear_status_line() {
-  supports_status_line || return 0
-  printf '\r\033[2K' >&2
-}
-
-print_response() {
-  if [ -t 1 ] && [ "${TERM:-}" != "dumb" ]; then
-    echo -e "${CYAN}🤖 $1${RESET}"
-  else
-    printf '%s\n' "$1"
-  fi
-}
-
-# ===== FUNCTION CALL API =====
-call_api() {
-  local Q="$1"
-  local CWD GIT_BRANCH LAST_CMD JSON
-  local START_TIME TMP_FILE CURL_PID
-  local SPINNER i NOW ELAPSED CHAR COLOR
-  local RESPONSE CONTENT CURL_STATUS
-
-  CWD="$(pwd)"
-  GIT_BRANCH="$(git branch --show-current 2>/dev/null)"
-  LAST_CMD="$(fc -ln -1 2>/dev/null)"
-
-  JSON=$(jq -n \
-    --arg model "$MODEL" \
-    --arg sys "$SYSTEM_PROMPT" \
-    --arg q "$Q" \
-    --arg cwd "$CWD" \
-    --arg branch "$GIT_BRANCH" \
-    --arg last "$LAST_CMD" \
-    '{
-      model: $model,
-      messages: [
-        {role: "system", content: $sys},
-        {role: "user", content:
-          ("Context:
-" +
-           "cwd: " + $cwd + "
-" +
-           "git_branch: " + $branch + "
-" +
-           "last_command: " + $last + "
-
-" +
-           "Request:
-" + $q)
-        }
-      ]
-    }'
-  )
-
-  # ===== CALL (async) =====
-  START_TIME=$(date +%s)
-  TMP_FILE=$(mktemp)
-
-  curl -s "$SERVER" \
-    -H "Authorization: Bearer $API_TOKEN" \
-    -H "Content-Type: application/json" \
-    -d "$JSON" > "$TMP_FILE" &
-
-  CURL_PID=$!
-  trap 'clear_status_line; [ -n "${CURL_PID:-}" ] && kill "${CURL_PID}" 2>/dev/null; [ -n "${TMP_FILE:-}" ] && rm -f "${TMP_FILE}"; exit 130' INT TERM
-
-  # ===== SPINNER + TIMER =====
-  SPINNER='|/-\'
-  i=0
-  if supports_status_line; then
-    while kill -0 "$CURL_PID" 2>/dev/null; do
-      NOW=$(date +%s)
-      ELAPSED=$((NOW - START_TIME))
-
-      CHAR=${SPINNER:i%${#SPINNER}:1}
-
-      if [ "$ELAPSED" -lt 10 ]; then COLOR="$GREEN";
-      elif [ "$ELAPSED" -lt 30 ]; then COLOR="$YELLOW";
-      else COLOR="$RED"; fi
-
-      render_status_line "${COLOR}⏳ calling ${CHAR} ${ELAPSED}s${RESET}"
-
-      i=$((i+1))
-      sleep 0.1
-    done
-  fi
-
-  wait "$CURL_PID"
-  CURL_STATUS=$?
-  clear_status_line
-  trap - INT TERM
-
-  RESPONSE=$(<"$TMP_FILE")
-  rm -f "$TMP_FILE"
-
-  if [ "$CURL_STATUS" -ne 0 ]; then
-    echo "❌ request failed (curl exit $CURL_STATUS)" >&2
-    [ -n "$RESPONSE" ] && echo "$RESPONSE" >&2
-    return "$CURL_STATUS"
-  fi
-
-  if [ "$VERBOSE" -eq 1 ]; then
-    echo -e "${YELLOW}🔧 RAW RESPONSE:${RESET}" >&2
-    echo "$RESPONSE" >&2
-  fi
-
-  CONTENT=$(echo "$RESPONSE" | jq -r '.choices[0].message.content // .response // .text // .')
-
-  print_response "$CONTENT"
-}
-
-# ===== INTERACTIVE MODE =====
-if [ "$INTERACTIVE" -eq 1 ]; then
-  echo -e "${GREEN}💬 Interactive mode (Ctrl+C để thoát)${RESET}"
-  while true; do
-    printf "${GREEN}❓ ask> ${RESET}"
-    read Q
-    [ -z "$Q" ] && continue
-    call_api "$Q"
-  done
-  exit 0
-fi
-
-# ===== NORMAL MODE =====
-if [ $# -eq 0 ]; then
-  echo "Usage: ask [-v] [-i] <question>"
-  exit 1
-fi
-
-call_api "$*"

claude-glm

@@ -39,8 +39,8 @@ fi
 export ANTHROPIC_BASE_URL="https://api.z.ai/api/anthropic"
 export ANTHROPIC_AUTH_TOKEN="$TOKEN"
 export ANTHROPIC_DEFAULT_HAIKU_MODEL="glm-4.5-air"
-export ANTHROPIC_DEFAULT_SONNET_MODEL="glm-5.1"
+export ANTHROPIC_DEFAULT_SONNET_MODEL="glm-5.2"
-export ANTHROPIC_DEFAULT_OPUS_MODEL="glm-5.1"
+export ANTHROPIC_DEFAULT_OPUS_MODEL="glm-5.2"
 
 echo "→ Backend: GLM"
 

claude-tk-glm

@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+
+# claude-gpt — Run Claude Code with GPT backend
+#
+# Usage:
+#   claude-gpt [args...]
+#
+# Setup API key (reuse existing):
+#   macOS:
+#     security add-generic-password -a "$USER" -s TK_AI_API_TOKEN -w "YOUR_KEY"
+#   Linux:
+#     echo "YOUR_KEY" | secret-tool store --label "AI API Token" service TK_AI_API_TOKEN
+
+KEY_NAME="TK_AI_API_TOKEN"
+
+if [ -n "${!KEY_NAME}" ]; then
+  TOKEN="${!KEY_NAME}"
+fi
+
+get_token() {
+  if command -v security >/dev/null 2>&1; then
+    security find-generic-password -s "$KEY_NAME" -w 2>/dev/null && return
+  fi
+  if command -v secret-tool >/dev/null 2>&1; then
+    secret-tool lookup service "$KEY_NAME" 2>/dev/null && return
+  fi
+  return 1
+}
+
+if [ -z "$TOKEN" ]; then
+  TOKEN=$(get_token)
+fi
+
+[ -z "${TOKEN}" ] && echo "❌ Missing TK_AI_API_TOKEN" && exit 1
+export ANTHROPIC_BASE_URL="https://ai.acbpro.com"
+#export ANTHROPIC_BASE_URL="https://claudecode-classifier-cliproxyapi-proxier.ldt116.workers.dev"
+export ANTHROPIC_AUTH_TOKEN="${TOKEN}"
+export ANTHROPIC_DEFAULT_OPUS_MODEL="glm-5.2"
+export ANTHROPIC_DEFAULT_SONNET_MODEL="glm-5.2"
+export ANTHROPIC_DEFAULT_HAIKU_MODEL="glm-4.7"
+export _CLAUDE_CODE_ASSUME_FIRST_PARTY_BASE_URL=1
+echo "→ Backend: TK AI GLM"
+if [[ "$*" == *"--permission-mode"* ]]; then
+  exec claude "$@"
+fi
+exec claude --permission-mode auto "$@"

claude-tk-gpt

@@ -38,9 +38,9 @@ fi
 
 export ANTHROPIC_BASE_URL="https://ai.acbpro.com"
 export ANTHROPIC_AUTH_TOKEN="$TOKEN"
-export ANTHROPIC_DEFAULT_OPUS_MODEL="gpt-5.3-codex(high)"
+export ANTHROPIC_DEFAULT_OPUS_MODEL="gpt-5.6-sol(medium)"
-export ANTHROPIC_DEFAULT_SONNET_MODEL="gpt-5.3-codex(medium)"
+export ANTHROPIC_DEFAULT_SONNET_MODEL="gpt-5.6-terra(medium)"
-export ANTHROPIC_DEFAULT_HAIKU_MODEL="gpt-5.3-codex(medium)"
+export ANTHROPIC_DEFAULT_HAIKU_MODEL="gpt-5.6-luna(medium)"
 
 echo "→ Backend: GPT"
 

claude-tk-grok

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+
+# claude-gpt — Run Claude Code with GPT backend
+#
+# Usage:
+#   claude-gpt [args...]
+#
+# Setup API key (reuse existing):
+#   macOS:
+#     security add-generic-password -a "$USER" -s TK_AI_API_TOKEN -w "YOUR_KEY"
+#   Linux:
+#     echo "YOUR_KEY" | secret-tool store --label "AI API Token" service TK_AI_API_TOKEN
+
+KEY_NAME="TK_AI_API_TOKEN"
+
+if [ -n "${!KEY_NAME}" ]; then
+  TOKEN="${!KEY_NAME}"
+fi
+
+get_token() {
+  if command -v security >/dev/null 2>&1; then
+    security find-generic-password -s "$KEY_NAME" -w 2>/dev/null && return
+  fi
+  if command -v secret-tool >/dev/null 2>&1; then
+    secret-tool lookup service "$KEY_NAME" 2>/dev/null && return
+  fi
+  return 1
+}
+
+if [ -z "$TOKEN" ]; then
+  TOKEN=$(get_token)
+fi
+
+if [ -z "$TOKEN" ]; then
+  echo "❌ Missing GPT token ($KEY_NAME)"
+  exit 1
+fi
+
+export ANTHROPIC_BASE_URL="https://ai.acbpro.com"
+export ANTHROPIC_AUTH_TOKEN="$TOKEN"
+export ANTHROPIC_DEFAULT_OPUS_MODEL="grok-4.5"
+export ANTHROPIC_DEFAULT_SONNET_MODEL="grok-4.5"
+export ANTHROPIC_DEFAULT_HAIKU_MODEL="grok-3-mini"
+
+echo "→ Backend: GPT"
+
+has_permission_mode=false
+for arg in "$@"; do
+  if [ "$arg" = "--permission-mode" ] || [[ "$arg" == --permission-mode=* ]]; then
+    has_permission_mode=true
+    break
+  fi
+done
+
+if [ "$has_permission_mode" = true ]; then
+  exec claude "$@"
+else
+  exec claude --permission-mode auto "$@"
+fi

claude-tl

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+
+# claude-glm — Run Claude Code with GLM backend
+#
+# Usage:
+#   claude-glm [args...]
+#
+# Setup API key (reuse existing):
+#   macOS:
+#     security add-generic-password -a "$USER" -s GLM_API_KEY -w "YOUR_KEY"
+#   Linux:
+#     echo "YOUR_KEY" | secret-tool store --label "GLM API Key" service GLM_API_KEY
+
+KEY_NAME="TL-AI-PROXY"
+
+if [ -n "${!KEY_NAME}" ]; then
+  TOKEN="${!KEY_NAME}"
+fi
+
+get_token() {
+  if command -v security >/dev/null 2>&1; then
+    security find-generic-password -s "$KEY_NAME" -w 2>/dev/null && return
+  fi
+  if command -v secret-tool >/dev/null 2>&1; then
+    secret-tool lookup service "$KEY_NAME" 2>/dev/null && return
+  fi
+  return 1
+}
+
+if [ -z "$TOKEN" ]; then
+  TOKEN=$(get_token)
+fi
+
+if [ -z "$TOKEN" ]; then
+  echo "❌ Missing GLM token ($KEY_NAME)"
+  exit 1
+fi
+
+export ANTHROPIC_BASE_URL="https://ai-proxy.thuanle.me/auto/claude"
+export ANTHROPIC_AUTH_TOKEN="$TOKEN"
+export ANTHROPIC_DEFAULT_HAIKU_MODEL="tl-auto-low"
+export ANTHROPIC_DEFAULT_SONNET_MODEL="tl-auto-high"
+export ANTHROPIC_DEFAULT_OPUS_MODEL="tl-auto-high"
+
+echo "→ Backend: GLM"
+
+has_permission_mode=false
+for arg in "$@"; do
+  if [ "$arg" = "--permission-mode" ] || [[ "$arg" == --permission-mode=* ]]; then
+    has_permission_mode=true
+    break
+  fi
+done
+
+if [ "$has_permission_mode" = true ]; then
+  exec claude "$@"
+else
+  exec claude --permission-mode auto "$@"
+fi

cleanup-server

@@ -0,0 +1,403 @@
+#!/bin/bash
+# cleanup-server - Dọn dẹp + nâng cấp server (Ubuntu/Arch), interactive, tuần tự.
+# Cách dùng:
+#   cleanup-server            # hiện menu chọn target (local hoặc server alias)
+#   cleanup-server --run-steps   # (nội bộ) chạy thẳng 6 bước trên máy hiện tại
+
+# -----------------------------
+# Color helpers (tự tắt khi không phải TTY)
+# -----------------------------
+if [ -t 1 ]; then
+    C_RESET=$'\033[0m'
+    C_TITLE=$'\033[1;36m'   # tiêu đề
+    C_OK=$'\033[1;32m'      # thành công
+    C_DEL=$'\033[1;31m'     # sẽ xóa / lỗi
+    C_WARN=$'\033[1;33m'    # cảnh báo
+else
+    C_RESET=""; C_TITLE=""; C_OK=""; C_DEL=""; C_WARN=""
+fi
+
+# -----------------------------
+# Banner rainbow (ASCII art figlet, per-line gradient)
+# -----------------------------
+print_banner() {
+    local -a lines=(
+        '▗▄▄▄▖▗▖        ▗▄▄▖▗▄▄▄▖▗▄▄▖ ▗▖  ▗▖▗▄▄▄▖▗▄▄▖      ▗▄▄▖▗▖   ▗▄▄▄▖ ▗▄▖ ▗▖  ▗▖▗▄▄▄▖▗▄▖ '
+        '  █  ▐▌       ▐▌   ▐▌   ▐▌ ▐▌▐▌  ▐▌▐▌   ▐▌ ▐▌    ▐▌   ▐▌   ▐▌   ▐▌ ▐▌▐▛▚▖▐▌▐▌   ▐▌ ▐▌'
+        '  █  ▐▌        ▝▀▚▖▐▛▀▀▘▐▛▀▚▖▐▌  ▐▌▐▛▀▀▘▐▛▀▚▖    ▐▌   ▐▌   ▐▛▀▀▘▐▛▀▜▌▐▌ ▝▜▌▐▛▀▀▘▐▛▀▚▖'
+        '  █  ▐▙▄▄▖    ▗▄▄▞▘▐▙▄▄▖▐▌ ▐▌ ▝▚▞▘ ▐▙▄▄▖▐▌ ▐▌    ▝▚▄▄▖▐▙▄▄▖▐▙▄▄▖▐▌ ▐▌▐▌  ▐▌▐▙▄▄▖▐▌ ▐▌'
+    )
+    local -a colors=()
+    if [ -t 1 ]; then
+        colors=(
+            $'\033[1;38;5;51m'    # cyan
+            $'\033[1;38;5;120m'   # xanh lá
+            $'\033[1;38;5;220m'   # vàng gold
+            $'\033[1;38;5;209m'   # cam-đỏ
+        )
+    fi
+    echo ""
+    local i
+    for ((i = 0; i < ${#lines[@]}; i++)); do
+        if [ -t 1 ]; then
+            printf '%s%s%s\n' "${colors[$i]}" "${lines[$i]}" "$C_RESET"
+        else
+            printf '%s\n' "${lines[$i]}"
+        fi
+    done
+    printf '  %sDọn dẹp + nâng cấp server (Ubuntu / Arch)%s\n' "$C_WARN" "$C_RESET"
+    echo ""
+}
+
+# -----------------------------
+# Host đang chạy (đặt ở main; hiển thị lại trong mỗi header bước)
+# -----------------------------
+CURRENT_TARGET="local"
+
+# In header bước kèm host: --- [Label] on <host> ---
+step_header() {
+    echo "${C_TITLE}--- [$1] on ${CURRENT_TARGET} ---${C_RESET}"
+}
+
+# -----------------------------
+# Phát hiện distro qua /etc/os-release → debian | arch | unknown
+# -----------------------------
+detect_distro() {
+    [ -r /etc/os-release ] || { echo unknown; return; }
+    local id id_like
+    . /etc/os-release 2>/dev/null
+    id="${ID:-}"; id_like="${ID_LIKE:-}"
+    case "$id $id_like" in
+        *arch*)   echo arch ;;
+        *debian*) echo debian ;;
+        *ubuntu*) echo debian ;;
+        *)        echo unknown ;;
+    esac
+}
+
+# -----------------------------
+# Hỏi Y/n (Enter = Yes). Trả về 0 = đồng ý, 1 = hủy.
+# -----------------------------
+confirm_yn() {
+    local prompt="$1" confirm
+    read -r -p "    ${prompt} (Y/n): " confirm
+    if [[ -n "$confirm" && ! "$confirm" =~ ^([yY]|[yY][eE][sS])$ ]]; then
+        echo "    Đã hủy."
+        return 1
+    fi
+    return 0
+}
+
+# -----------------------------
+# Danh sách target fix cứng (alias từ ~/.ssh/config)
+# -----------------------------
+TARGETS=("local" "ta" "toc" "oc" "cse" "vrc" "aws-vanhoa" "tk" "od")
+TARGET_CURSOR=0
+TARGET=""
+
+# Vẽ menu single-select
+draw_target_menu() {
+    if [ "$1" = "redraw" ]; then
+        printf '\033[%dA' "$(( ${#TARGETS[@]} + 2 ))"
+    fi
+    echo "  Chọn target (↑↓: di chuyển | Enter: chọn):"
+    echo ""
+    local i
+    for ((i = 0; i < ${#TARGETS[@]}; i++)); do
+        local prefix="  "
+        if [ "$i" -eq "$TARGET_CURSOR" ]; then
+            prefix="${C_TITLE}▸ ${C_RESET}"
+        fi
+        printf '\r\033[K%s%s\n' "$prefix" "${TARGETS[$i]}"
+    done
+}
+
+# Chạy menu, đặt biến toàn cục TARGET
+select_target() {
+    draw_target_menu
+    while true; do
+        IFS= read -rsn1 key
+        case "$key" in
+            $'\x1b')
+                read -rsn2 seq
+                case "$seq" in
+                    '[A') TARGET_CURSOR=$(( (TARGET_CURSOR - 1 + ${#TARGETS[@]}) % ${#TARGETS[@]} ));;
+                    '[B') TARGET_CURSOR=$(( (TARGET_CURSOR + 1) % ${#TARGETS[@]} ));;
+                esac
+                ;;
+            '')   # Enter
+                echo ""
+                TARGET="${TARGETS[$TARGET_CURSOR]}"
+                return
+                ;;
+        esac
+        draw_target_menu "redraw"
+    done
+}
+
+# -----------------------------
+# Bước 1: Nâng cấp hệ thống theo distro
+# -----------------------------
+step_upgrade() {
+    step_header "System Upgrade"
+    local distro
+    distro=$(detect_distro)
+    case "$distro" in
+        debian)
+            echo "    Distro: Debian/Ubuntu (apt)."
+            sudo apt-get update || { echo "${C_DEL}    ✗ apt-get update thất bại.${C_RESET}"; echo ""; return; }
+            local upgradable
+            upgradable=$(apt list --upgradable 2>/dev/null | grep -c 'upgradable')
+            echo "    ${C_WARN}✗ ${upgradable} package có thể nâng cấp.${C_RESET}"
+            if confirm_yn "Upgrade + autoremove?"; then
+                sudo apt-get upgrade -y
+                sudo apt-get autoremove --purge -y
+                echo "${C_OK}    ✓ Đã nâng cấp xong.${C_RESET}"
+            fi
+            ;;
+        arch)
+            echo "    Distro: Arch (pacman)."
+            local helper=""
+            command -v paru >/dev/null 2>&1 && helper="paru"
+            [ -z "$helper" ] && command -v yay >/dev/null 2>&1 && helper="yay"
+            [ -z "$helper" ] && helper="sudo pacman"
+            echo "    Helper: $helper"
+            if confirm_yn "Chạy $helper -Syu?"; then
+                $helper -Syu
+                echo "${C_OK}    ✓ Đã nâng cấp xong.${C_RESET}"
+            fi
+            ;;
+        *)
+            echo "${C_WARN}    ⚠ Distro không hỗ trợ upgrade, bỏ qua.${C_RESET}"
+            ;;
+    esac
+    echo ""
+}
+
+# -----------------------------
+# Chọn 'docker' hoặc 'sudo docker' tùy permission
+# Trả về chuỗi lệnh qua echo (gán: DC=$(docker_cmd))
+# -----------------------------
+docker_cmd() {
+    if docker info >/dev/null 2>&1; then
+        echo "docker"
+    elif sudo -n docker info >/dev/null 2>&1; then
+        echo "sudo docker"
+    else
+        echo ""
+    fi
+}
+
+# -----------------------------
+# Bước 2: Docker — df rồi prune từng loại
+# -----------------------------
+step_docker() {
+    step_header "Docker"
+    if ! command -v docker >/dev/null 2>&1; then
+        echo "${C_WARN}    ⚠ docker command not found.${C_RESET}"
+        echo ""
+        return
+    fi
+    local DC
+    DC=$(docker_cmd)
+    if [ -z "$DC" ]; then
+        echo "${C_WARN}    ⚠ Không có quyền truy cập docker (cần group docker hoặc sudo).${C_RESET}"
+        echo ""
+        return
+    fi
+    echo "    Lệnh: $DC"
+    $DC system df
+    echo ""
+    confirm_yn "Prune images (-a)?"  && $DC image prune -a -f
+    confirm_yn "Prune containers?"   && $DC container prune -f
+    confirm_yn "Prune volumes?"      && $DC volume prune -f
+    confirm_yn "Prune build cache?"  && $DC builder prune -f
+    confirm_yn "Prune networks?"     && $DC network prune -f
+    echo "${C_OK}    ✓ Docker cleanup xong.${C_RESET}"
+    echo ""
+}
+
+# -----------------------------
+# Bước 3: Journal logs — vacuum log cũ hơn 7 ngày
+# -----------------------------
+step_journal() {
+    step_header "Journal Logs"
+    if ! command -v journalctl >/dev/null 2>&1; then
+        echo "${C_WARN}    ⚠ journalctl not found.${C_RESET}"
+        echo ""
+        return
+    fi
+    sudo journalctl --disk-usage
+    if confirm_yn "Vacuum log cũ hơn 7 ngày (--vacuum-time=7d)?"; then
+        sudo journalctl --vacuum-time=7d
+        echo "${C_OK}    ✓ Đã dọn journal.${C_RESET}"
+    fi
+    echo ""
+}
+
+# -----------------------------
+# Bước 4: Package cache — apt clean+autoremove hoặc paccache/pacman -Sc
+# -----------------------------
+step_pkg_cache() {
+    step_header "Package Cache"
+    local distro
+    distro=$(detect_distro)
+    case "$distro" in
+        debian)
+            local d="/var/cache/apt/archives"
+            [ -d "$d" ] && sudo du -sh "$d"
+            if confirm_yn "apt clean + autoremove?"; then
+                sudo apt-get clean
+                sudo apt-get autoremove -y
+                echo "${C_OK}    ✓ Đã dọn apt cache.${C_RESET}"
+            fi
+            ;;
+        arch)
+            local d="/var/cache/pacman/pkg"
+            [ -d "$d" ] && sudo du -sh "$d"
+            # Xóa file download tạm (incomplete) — pacman -Sc báo lỗi fd 7 với chúng.
+            local partial pcount
+            partial=$(sudo find "$d" -maxdepth 1 -type f -name 'download-*' 2>/dev/null)
+            if [ -n "$partial" ]; then
+                pcount=$(printf '%s\n' "$partial" | grep -c .)
+                echo "    ${C_WARN}✗ ${pcount} file download tạm (incomplete).${C_RESET}"
+                if confirm_yn "Xóa file download-* tạm?"; then
+                    printf '%s\n' "$partial" | xargs sudo rm -f --
+                    echo "${C_OK}    ✓ Đã xóa file tạm.${C_RESET}"
+                fi
+            fi
+            if command -v paccache >/dev/null 2>&1; then
+                sudo paccache -dk2      # dry-run xem trước
+                if confirm_yn "paccache -rk2 (giữ 2 bản)?"; then
+                    sudo paccache -rk2
+                    echo "${C_OK}    ✓ Đã dọn pacman cache.${C_RESET}"
+                fi
+            else
+                if confirm_yn "Không có paccache, chạy pacman -Sc?"; then
+                    sudo pacman -Sc --noconfirm
+                    echo "${C_OK}    ✓ Đã dọn pacman cache.${C_RESET}"
+                fi
+            fi
+            ;;
+        *)
+            echo "${C_WARN}    ⚠ Distro không hỗ trợ dọn package cache.${C_RESET}"
+            ;;
+    esac
+    echo ""
+}
+
+# -----------------------------
+# Bước 5: Snap — forget từng snapshot
+# -----------------------------
+step_snap() {
+    step_header "Snap"
+    if ! command -v snap >/dev/null 2>&1; then
+        echo "${C_WARN}    ⚠ snap not found.${C_RESET}"
+        echo ""
+        return
+    fi
+    local saved
+    # Cột đầu (Set) là id cần forget; một Set có thể có nhiều Snap → dedupe.
+    saved=$(sudo snap saved 2>/dev/null | awk 'NR>1{print $1}' | awk '!seen[$0]++')
+    if [ -z "$saved" ]; then
+        echo "${C_OK}    ✓ Không có snap snapshot nào.${C_RESET}"
+        echo ""
+        return
+    fi
+    local id
+    for id in $saved; do
+        if confirm_yn "Forget snap snapshot (Set $id)?"; then
+            sudo snap forget "$id"
+        fi
+    done
+    echo "${C_OK}    ✓ Snap cleanup xong.${C_RESET}"
+    echo ""
+}
+
+# -----------------------------
+# Bước 6: /tmp & cache cũ — liệt kê file >7 ngày, xác nhận rồi xóa
+# -----------------------------
+step_tmp_cache() {
+    step_header "/tmp & Cache cũ"
+    local days=7
+    echo "    Tìm file cũ hơn ${days} ngày trong /tmp /var/tmp:"
+    local old_files
+    old_files=$(sudo find /tmp /var/tmp -type f -mtime +"$days" 2>/dev/null)
+    if [ -z "$old_files" ]; then
+        echo "${C_OK}    ✓ Không có file cũ >${days} ngày.${C_RESET}"
+        echo ""
+        return
+    fi
+    local count total_kb total_mib
+    count=$(printf '%s\n' "$old_files" | grep -c .)
+    total_kb=$(printf '%s\n' "$old_files" | xargs sudo du -ck 2>/dev/null | tail -1 | cut -f1)
+    total_mib=$(( total_kb / 1024 ))
+    echo "${C_DEL}    ✗ ${count} file, ~${total_mib} MiB.${C_RESET}"
+    printf '%s\n' "$old_files" | head -20 | sed 's/^/      - /'
+    [ "$count" -gt 20 ] && echo "      ... (và $((count - 20)) file nữa)"
+    if confirm_yn "Xóa các file cũ >${days} ngày?"; then
+        printf '%s\n' "$old_files" | xargs sudo rm -f --
+        echo "${C_OK}    ✓ Đã xóa.${C_RESET}"
+    fi
+    echo ""
+}
+
+# -----------------------------
+# Chạy tuần tự 6 bước (stub — các bước thêm ở Task 4-9)
+# -----------------------------
+run_all_steps() {
+    step_upgrade
+    step_docker
+    step_journal
+    step_pkg_cache
+    step_snap
+    step_tmp_cache
+}
+
+# -----------------------------
+# Chạy trên target đã chọn.
+#   local → chạy tại chỗ.
+#   alias → self-bootstrap: base64 script qua argv, giữ stdin=terminal
+#           để read/màu tương tác hoạt động qua PTY của `ssh -t`.
+# -----------------------------
+run_on_target() {
+    local target="$1"
+    if [ "$target" = "local" ]; then
+        CURRENT_TARGET="local"
+        run_all_steps
+        return $?
+    fi
+    local b64
+    b64=$(base64 < "$0" | tr -d '\n') || {
+        echo "${C_DEL}    ✗ Không mã hóa được script.${C_RESET}"
+        return 1
+    }
+    # Giải mã ra file tạm trên remote rồi chạy; stdin không bị redirect → read OK.
+    # Truyền target làm argv[2] để remote biết host (hiển thị lại trong header).
+    ssh -t "$target" \
+        "umask 077; t=\$(mktemp); printf '%s' '$b64' | base64 -d > \"\$t\" && bash \"\$t\" --run-steps \"$target\"; r=\$?; rm -f \"\$t\"; exit \$r" \
+        || { echo "${C_DEL}    ✗ ssh tới $target thất bại.${C_RESET}"; return 1; }
+}
+
+# -----------------------------
+# Main (phân nhánh theo argv)
+# -----------------------------
+main() {
+    if [ "${1:-}" = "--run-steps" ]; then
+        CURRENT_TARGET="${2:-local}"
+        echo "${C_TITLE}===== 🧹 Cleanup-server on ${CURRENT_TARGET} =====${C_RESET}"
+        echo ""
+        run_all_steps
+        echo ""
+        echo "${C_OK}===== ✅ Cleanup-server hoàn tất =====${C_RESET}"
+        return
+    fi
+    print_banner
+    echo "${C_TITLE}===== 🧹 Cleanup-server =====${C_RESET}"
+    echo ""
+    select_target
+    echo ""
+    run_on_target "$TARGET"
+}
+
+main "$@"

ssh-open

@@ -0,0 +1,35 @@
+#!/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

supgrade

@@ -1,33 +0,0 @@
-#!/bin/bash
-
-# Function to run SSH command and handle errors
-run_ssh() {
-    server=$1
-    command=$2
-    echo "===== $server ====="
-    ssh -T $server "$command" &
-
-    # Capture the PID of the last background process
-    pid=$!
-
-    # Wait for the background process to finish
-    wait $pid
-
-    # Check the exit status of the background process
-    if [ $? -eq 0 ]; then
-        echo "Successfully upgraded $server."
-    else
-        echo "Failed to upgrade $server. Check the connection and try again."
-    fi
-}
-
-# Run SSH commands for each server
-run_ssh "oc" 'sudo apt-get upgrade -y'
-run_ssh "tk" 'sudo apt-get upgrade -y'
-run_ssh "cc" 'sudo apt-get upgrade -y'
-run_ssh "rpi3" 'sudo apt-get upgrade -y'
-run_ssh "cse-z" 'sudo apt-get upgrade -y'
-run_ssh "hp" 'sudo apt-get upgrade -y'
-run_ssh "od-xu4" 'yay'
-
-echo "Upgrade process completed for all servers."