trungnt13 · April 10, 2026 09:07 · Apr 10, 2026 · Apr 10, 2026 · Apr 10, 2026 · Apr 10, 2026
diff --git a/tmux_linux.conf b/tmux_linux.conf
@@ -146,13 +146,11 @@ bind 8 \
   split-window -h -c "#{pane_current_path}" \;\
   select-layout even-horizontal
 
-# Prefix+9: toggle between even-horizontal (3 equal columns) and main-vertical (1 big + 2 stacked)
+# Prefix+9: 3 equal vertical panes (side-by-side columns)
 # Creates panes first if fewer than 3 exist
 bind 9 if-shell "[ #{window_panes} -lt 3 ]" \
   "split-window -h -c '#{pane_current_path}' \; split-window -h -c '#{pane_current_path}' \; select-layout even-horizontal" \
-  "if-shell 'echo \"#{window_layout}\" | grep -q ^even-horizontal' \
-    'select-layout main-vertical' \
-    'select-layout even-horizontal'"
+  "select-layout even-horizontal"
 
 # Prefix + Alt-4: 2×2 grid
 bind 0 \

diff --git a/tmux_linux.conf b/tmux_linux.conf
@@ -1,4 +1,4 @@
-# tmux.conf for macOS (Apple Silicon) — multi-agent coding sessions
+# tmux.conf for Linux — multi-agent coding sessions
 # v4 — 10Apr26
 # v3 — 17Feb26
 #

diff --git a/tmux_linux.conf b/tmux_linux.conf
@@ -1,4 +1,5 @@
 # tmux.conf for macOS (Apple Silicon) — multi-agent coding sessions
+# v4 — 10Apr26
 # v3 — 17Feb26
 #
 # ╭─────────────────────── QUICK START ───────────────────────╮

diff --git a/tmux_linux.conf b/tmux_linux.conf
@@ -38,7 +38,9 @@
 # ╰───────────────────────────────────────────────────────────╯
 
 # ─── Core ────────────────────────────────────────────────────────────────────
-set -g default-shell /bin/bash
+set-option -g default-command "/bin/bash --rcfile ~/.bashrc"
+set-option -g default-shell /bin/bash
+
 set -g history-limit 250000          # agents produce lots of output
 set -g default-terminal "tmux-256color"
 set -sa terminal-overrides ",xterm-256color:Tc"   # 24-bit color passthrough

diff --git a/tmux_linux.conf b/tmux_linux.conf
@@ -143,13 +143,13 @@ bind 8 \
   split-window -h -c "#{pane_current_path}" \;\
   select-layout even-horizontal
 
-# Prefix+9: toggle between main-vertical (1 big + 2 stacked) and even-horizontal (3 columns)
+# Prefix+9: toggle between even-horizontal (3 equal columns) and main-vertical (1 big + 2 stacked)
 # Creates panes first if fewer than 3 exist
 bind 9 if-shell "[ #{window_panes} -lt 3 ]" \
-  "split-window -h -c '#{pane_current_path}' \; split-window -v -c '#{pane_current_path}' \; select-layout main-vertical" \
-  "if-shell 'echo \"#{window_layout}\" | grep -q ^main-vertical' \
-    'select-layout even-horizontal' \
-    'select-layout main-vertical'"
+  "split-window -h -c '#{pane_current_path}' \; split-window -h -c '#{pane_current_path}' \; select-layout even-horizontal" \
+  "if-shell 'echo \"#{window_layout}\" | grep -q ^even-horizontal' \
+    'select-layout main-vertical' \
+    'select-layout even-horizontal'"
 
 # Prefix + Alt-4: 2×2 grid
 bind 0 \

diff --git a/tmux_linux.conf b/tmux_linux.conf
@@ -38,6 +38,7 @@
 # ╰───────────────────────────────────────────────────────────╯
 
 # ─── Core ────────────────────────────────────────────────────────────────────
+set -g default-shell /bin/bash
 set -g history-limit 250000          # agents produce lots of output
 set -g default-terminal "tmux-256color"
 set -sa terminal-overrides ",xterm-256color:Tc"   # 24-bit color passthrough

diff --git a/tmux_linux.conf b/tmux_linux.conf
@@ -63,7 +63,7 @@ set -g pane-active-border-style "fg=#ff6600,bg=default"
 set -g pane-border-lines heavy       # thicker borders — easy to see splits
 
 # Status bar — hidden (zen mode); toggle with Prefix+B
-set -g status off
+set -g status on
 set -g status-position top
 set -g status-interval 5
 set -g status-style "bg=#1a1a2e,fg=#e0e0e0"

diff --git a/tmux_linux.conf b/tmux_linux.conf
@@ -100,12 +100,6 @@ bind -n M-Right select-pane -R
 bind -n M-Up    select-pane -U
 bind -n M-Down  select-pane -D
 
-# Prefix + vim-style fallback
-bind h select-pane -L
-bind j select-pane -D
-bind k select-pane -U
-bind l select-pane -R
-
 # ─── Pane Resizing (no prefix needed) ───────────────────────────────────────
 bind -n S-Left  resize-pane -L 3
 bind -n S-Right resize-pane -R 3
@@ -173,17 +167,15 @@ bind s choose-tree -sZ
 bind N command-prompt -p "new session:" "new-session -s '%%'"
 
 # ─── Copy Mode ──────────────────────────────────────────────────────────────
-setw -g mode-keys vi
 set -g mode-style "bg=#2a2a4a,fg=#e0e0e0"
 
 bind v copy-mode
 
 # macOS clipboard integration (pbcopy)
-bind -T copy-mode-vi v send-keys -X begin-selection
-bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "pbcopy"
-bind -T copy-mode-vi r send-keys -X rectangle-toggle
-bind -T copy-mode-vi Escape send-keys -X cancel
-bind -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "pbcopy"
+bind -T copy-mode v send-keys -X begin-selection
+bind -T copy-mode y send-keys -X copy-pipe-and-cancel "pbcopy"
+bind -T copy-mode Escape send-keys -X cancel
+bind -T copy-mode MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "pbcopy"
 
 # Custom IJKL navigation (copy-mode)
 bind-key -T copy-mode 'i' send-keys -X cursor-up

diff --git a/tmux_linux.conf b/tmux_linux.conf
@@ -80,11 +80,19 @@ set -g prefix C-b
 set -g prefix2 C-a
 bind C-a send-prefix -2
 
-# ─── Pane Splitting ─────────────────────────────────────────────────────────
-bind | split-window -h -c "#{pane_current_path}"
-bind \\ split-window -h -c "#{pane_current_path}"
-bind - split-window -v -c "#{pane_current_path}"
-bind _ split-window -v -c "#{pane_current_path}"
+# ─── Pane Splitting (max 4 panes) ────────────────────────────────────────────
+bind | if-shell "[ #{window_panes} -lt 4 ]" \
+  "split-window -h -c '#{pane_current_path}'" \
+  "display-message 'max 4 panes'"
+bind \\ if-shell "[ #{window_panes} -lt 4 ]" \
+  "split-window -h -c '#{pane_current_path}'" \
+  "display-message 'max 4 panes'"
+bind - if-shell "[ #{window_panes} -lt 4 ]" \
+  "split-window -v -c '#{pane_current_path}'" \
+  "display-message 'max 4 panes'"
+bind _ if-shell "[ #{window_panes} -lt 4 ]" \
+  "split-window -v -c '#{pane_current_path}'" \
+  "display-message 'max 4 panes'"
 
 # ─── Pane Navigation (no prefix needed) ─────────────────────────────────────
 bind -n M-Left  select-pane -L
@@ -122,6 +130,12 @@ bind -n M-8 select-window -t 8
 bind -n M-9 select-window -t 9
 bind c new-window -c "#{pane_current_path}"
 
+# ─── Pane Direct Select (Prefix + 1/2/3/) ────────────────────────────────────
+bind 1 select-pane -t 1
+bind 2 select-pane -t 2
+bind 3 select-pane -t 3
+bind 4 select-pane -t 4
+
 # ─── Zoom & Layout ──────────────────────────────────────────────────────────
 bind Space next-layout
 bind = select-layout tiled            # equal grid — best for 3–4 agents

diff --git a/tmux_linux.conf b/tmux_linux.conf
@@ -52,6 +52,8 @@ set -g allow-rename off              # keep stable window names
 set -g set-titles on
 set -g set-titles-string "#S:#I — #W"
 set -g aggressive-resize on         # resize to smallest *active* client
+setw -g main-pane-width 55%         # main-vertical: main pane takes 55% of width
+setw -g main-pane-height 55%        # main-horizontal: main pane takes 55% of height
 
 # ─── Appearance ──────────────────────────────────────────────────────────────
 set -g window-style "bg=#0a0a0a"

diff --git a/tmux_linux.conf b/tmux_linux.conf
@@ -1,20 +1,13 @@
-# tmux.conf for Linux — multi-agent coding sessions
+# tmux.conf for macOS (Apple Silicon) — multi-agent coding sessions
 # v3 — 17Feb26
 #
 # ╭─────────────────────── QUICK START ───────────────────────╮
 # │                                                           │
 # │  INSTALL:                                                 │
-# │    sudo apt install tmux          # Debian/Ubuntu         │
-# │    sudo dnf install tmux          # Fedora                │
-# │    sudo pacman -S tmux            # Arch                  │
-# │    cp tmux_linux.conf ~/.tmux.conf                        │
+# │    brew install tmux                                      │
+# │    cp tmux_macos.conf ~/.tmux.conf                        │
 # │    tmux source-file ~/.tmux.conf   # reload if running    │
 # │                                                           │
-# │  CLIPBOARD DEPS (pick one):                               │
-# │    sudo apt install xclip         # X11                   │
-# │    sudo apt install xsel          # X11 (alternative)     │
-# │    sudo apt install wl-clipboard  # Wayland               │
-# │                                                           │
 # │  LAUNCH MULTI-AGENT SESSION:                              │
 # │    tmux new -s work                # new session          │
 # │    Prefix = Ctrl-b (or Ctrl-a)                            │
@@ -44,18 +37,13 @@
 # │                                                           │
 # ╰───────────────────────────────────────────────────────────╯
 
-# ─── Clipboard Helper ───────────────────────────────────────────────────────
-# Auto-detect: Wayland → wl-copy, X11 → xclip, fallback → xsel
-# Used by copy-mode bindings below
-CLIP_CMD='if [ -n "$WAYLAND_DISPLAY" ]; then wl-copy; elif command -v xclip >/dev/null 2>&1; then xclip -selection clipboard; else xsel --clipboard --input; fi'
-
 # ─── Core ────────────────────────────────────────────────────────────────────
 set -g history-limit 250000          # agents produce lots of output
 set -g default-terminal "tmux-256color"
 set -sa terminal-overrides ",xterm-256color:Tc"   # 24-bit color passthrough
 set -g escape-time 10                # fast ESC (critical for vim/neovim)
 set -g focus-events on               # let apps detect focus changes
-set -g set-clipboard on              # OSC-52 clipboard passthrough
+set -g set-clipboard on              # OSC-52 clipboard → macOS pasteboard
 set -g mouse on                      # click panes, scroll, resize
 set -g base-index 1                  # windows start at 1
 set -g pane-base-index 1             # panes start at 1
@@ -72,7 +60,8 @@ set -g pane-border-style "fg=#333333,bg=default"
 set -g pane-active-border-style "fg=#ff6600,bg=default"
 set -g pane-border-lines heavy       # thicker borders — easy to see splits
 
-# Status bar — compact, top-aligned for max terminal space
+# Status bar — hidden (zen mode); toggle with Prefix+B
+set -g status off
 set -g status-position top
 set -g status-interval 5
 set -g status-style "bg=#1a1a2e,fg=#e0e0e0"
@@ -139,18 +128,20 @@ bind E select-layout even-vertical    # stacked rows
 
 # ─── Quick Agent Layouts ────────────────────────────────────────────────────
 # Prefix + Alt-2: 2 side-by-side panes
-bind M-2 \
+bind 8 \
   split-window -h -c "#{pane_current_path}" \;\
   select-layout even-horizontal
 
-# Prefix + Alt-3: 1 main left + 2 stacked right
-bind M-3 \
-  split-window -h -c "#{pane_current_path}" \;\
-  split-window -v -c "#{pane_current_path}" \;\
-  select-layout main-vertical
+# Prefix+9: toggle between main-vertical (1 big + 2 stacked) and even-horizontal (3 columns)
+# Creates panes first if fewer than 3 exist
+bind 9 if-shell "[ #{window_panes} -lt 3 ]" \
+  "split-window -h -c '#{pane_current_path}' \; split-window -v -c '#{pane_current_path}' \; select-layout main-vertical" \
+  "if-shell 'echo \"#{window_layout}\" | grep -q ^main-vertical' \
+    'select-layout even-horizontal' \
+    'select-layout main-vertical'"
 
 # Prefix + Alt-4: 2×2 grid
-bind M-4 \
+bind 0 \
   split-window -h -c "#{pane_current_path}" \;\
   split-window -v -c "#{pane_current_path}" \;\
   select-pane -t 1 \;\
@@ -171,12 +162,12 @@ set -g mode-style "bg=#2a2a4a,fg=#e0e0e0"
 
 bind v copy-mode
 
-# Linux clipboard integration (auto-detect X11/Wayland)
+# macOS clipboard integration (pbcopy)
 bind -T copy-mode-vi v send-keys -X begin-selection
-bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "$CLIP_CMD"
+bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "pbcopy"
 bind -T copy-mode-vi r send-keys -X rectangle-toggle
 bind -T copy-mode-vi Escape send-keys -X cancel
-bind -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "$CLIP_CMD"
+bind -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "pbcopy"
 
 # Custom IJKL navigation (copy-mode)
 bind-key -T copy-mode 'i' send-keys -X cursor-up
@@ -190,7 +181,7 @@ bind-key -T copy-mode ',' send-keys -X page-down
 bind-key -T copy-mode '[' send-keys -X begin-selection
 bind-key -T copy-mode 'Space' send-keys -X begin-selection
 bind-key -T copy-mode ']' send-keys -X clear-selection
-bind-key -T copy-mode Enter send-keys -X copy-pipe-and-cancel "$CLIP_CMD"
+bind-key -T copy-mode Enter send-keys -X copy-pipe-and-cancel "pbcopy"
 
 # Scroll into copy mode with mouse wheel
 bind -n WheelUpPane if-shell -F -t = "#{mouse_any_flag}" "send-keys -M" \

diff --git a/tmux_linux.conf b/tmux_linux.conf
@@ -1,13 +1,20 @@
-# tmux.conf for macOS (Apple Silicon) — multi-agent coding sessions
+# tmux.conf for Linux — multi-agent coding sessions
 # v3 — 17Feb26
 #
 # ╭─────────────────────── QUICK START ───────────────────────╮
 # │                                                           │
 # │  INSTALL:                                                 │
-# │    brew install tmux                                      │
+# │    sudo apt install tmux          # Debian/Ubuntu         │
+# │    sudo dnf install tmux          # Fedora                │
+# │    sudo pacman -S tmux            # Arch                  │
 # │    cp tmux_linux.conf ~/.tmux.conf                        │
 # │    tmux source-file ~/.tmux.conf   # reload if running    │
 # │                                                           │
+# │  CLIPBOARD DEPS (pick one):                               │
+# │    sudo apt install xclip         # X11                   │
+# │    sudo apt install xsel          # X11 (alternative)     │
+# │    sudo apt install wl-clipboard  # Wayland               │
+# │                                                           │
 # │  LAUNCH MULTI-AGENT SESSION:                              │
 # │    tmux new -s work                # new session          │
 # │    Prefix = Ctrl-b (or Ctrl-a)                            │
@@ -37,21 +44,26 @@
 # │                                                           │
 # ╰───────────────────────────────────────────────────────────╯
 
+# ─── Clipboard Helper ───────────────────────────────────────────────────────
+# Auto-detect: Wayland → wl-copy, X11 → xclip, fallback → xsel
+# Used by copy-mode bindings below
+CLIP_CMD='if [ -n "$WAYLAND_DISPLAY" ]; then wl-copy; elif command -v xclip >/dev/null 2>&1; then xclip -selection clipboard; else xsel --clipboard --input; fi'
+
 # ─── Core ────────────────────────────────────────────────────────────────────
 set -g history-limit 250000          # agents produce lots of output
 set -g default-terminal "tmux-256color"
 set -sa terminal-overrides ",xterm-256color:Tc"   # 24-bit color passthrough
 set -g escape-time 10                # fast ESC (critical for vim/neovim)
 set -g focus-events on               # let apps detect focus changes
-set -g set-clipboard on              # OSC-52 clipboard → macOS pasteboard
+set -g set-clipboard on              # OSC-52 clipboard passthrough
 set -g mouse on                      # click panes, scroll, resize
 set -g base-index 1                  # windows start at 1
 set -g pane-base-index 1             # panes start at 1
 set -g renumber-windows on           # keep window numbers sequential
 set -g allow-rename off              # keep stable window names
 set -g set-titles on
 set -g set-titles-string "#S:#I — #W"
-setw -g aggressive-resize on         # resize to smallest *active* client
+set -g aggressive-resize on         # resize to smallest *active* client
 
 # ─── Appearance ──────────────────────────────────────────────────────────────
 set -g window-style "bg=#0a0a0a"
@@ -159,12 +171,12 @@ set -g mode-style "bg=#2a2a4a,fg=#e0e0e0"
 
 bind v copy-mode
 
-# macOS clipboard integration (pbcopy)
+# Linux clipboard integration (auto-detect X11/Wayland)
 bind -T copy-mode-vi v send-keys -X begin-selection
-bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "pbcopy"
+bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "$CLIP_CMD"
 bind -T copy-mode-vi r send-keys -X rectangle-toggle
 bind -T copy-mode-vi Escape send-keys -X cancel
-bind -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "pbcopy"
+bind -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "$CLIP_CMD"
 
 # Custom IJKL navigation (copy-mode)
 bind-key -T copy-mode 'i' send-keys -X cursor-up
@@ -178,7 +190,7 @@ bind-key -T copy-mode ',' send-keys -X page-down
 bind-key -T copy-mode '[' send-keys -X begin-selection
 bind-key -T copy-mode 'Space' send-keys -X begin-selection
 bind-key -T copy-mode ']' send-keys -X clear-selection
-bind-key -T copy-mode Enter send-keys -X copy-pipe-and-cancel "pbcopy"
+bind-key -T copy-mode Enter send-keys -X copy-pipe-and-cancel "$CLIP_CMD"
 
 # Scroll into copy mode with mouse wheel
 bind -n WheelUpPane if-shell -F -t = "#{mouse_any_flag}" "send-keys -M" \

diff --git a/tmux_linux.conf b/tmux_linux.conf
@@ -1,20 +1,172 @@
-# 09Sep23 v1
-# https://gist.githubusercontent.com/trungnt13/34a8b101ab7fe14f7f0f194d1f63ad6c/raw/ea9293953796d78b8b93e67e046a5583c6cc6d39/tmux_linux.conf
-# 09Sep23 v2
-# https://gist.githubusercontent.com/trungnt13/34a8b101ab7fe14f7f0f194d1f63ad6c/raw/51dc5214e47d648039dffe83908e603ab07bf9c2/tmux_linux.conf
-set -g history-limit 100000
-
-## Change background and border of active pane
-set-option -g pane-border-style fg=default,bg=default
-set-option -g pane-active-border-style fg=red,bg=default
-
-set-option -g default-terminal "screen-256color"
-set -g window-style "bg=black"
+# tmux.conf for macOS (Apple Silicon) — multi-agent coding sessions
+# v3 — 17Feb26
+#
+# ╭─────────────────────── QUICK START ───────────────────────╮
+# │                                                           │
+# │  INSTALL:                                                 │
+# │    brew install tmux                                      │
+# │    cp tmux_linux.conf ~/.tmux.conf                        │
+# │    tmux source-file ~/.tmux.conf   # reload if running    │
+# │                                                           │
+# │  LAUNCH MULTI-AGENT SESSION:                              │
+# │    tmux new -s work                # new session          │
+# │    Prefix = Ctrl-b (or Ctrl-a)                            │
+# │                                                           │
+# │  QUICK LAYOUTS (Prefix + key):                            │
+# │    Alt-2 → 2 side-by-side panes   (2 agents)             │
+# │    Alt-3 → 1 main + 2 stacked    (3 agents)              │
+# │    Alt-4 → 2×2 grid              (4 agents)              │
+# │    =     → re-tile all panes evenly                       │
+# │                                                           │
+# │  NAVIGATE PANES:                                          │
+# │    Alt + Arrow   → jump between panes (no prefix)         │
+# │    Shift + Arrow → resize panes      (no prefix)          │
+# │    Alt + 1-9     → jump to window N   (no prefix)         │
+# │    z             → zoom/unzoom current pane               │
+# │                                                           │
+# │  SPLIT & MANAGE:                                          │
+# │    | or \  → vertical split     - or _  → horizontal      │
+# │    S       → sync input to ALL panes (toggle)             │
+# │    X       → kill pane (no confirm)                       │
+# │    r       → reload this config                           │
+# │                                                           │
+# │  CLAUDE CODE AGENT TEAMS:                                 │
+# │    Start claude inside tmux → auto split-pane mode        │
+# │    teammateMode "tmux" in settings.json for split panes   │
+# │    Click any pane to interact with that teammate           │
+# │                                                           │
+# ╰───────────────────────────────────────────────────────────╯
+
+# ─── Core ────────────────────────────────────────────────────────────────────
+set -g history-limit 250000          # agents produce lots of output
+set -g default-terminal "tmux-256color"
+set -sa terminal-overrides ",xterm-256color:Tc"   # 24-bit color passthrough
+set -g escape-time 10                # fast ESC (critical for vim/neovim)
+set -g focus-events on               # let apps detect focus changes
+set -g set-clipboard on              # OSC-52 clipboard → macOS pasteboard
+set -g mouse on                      # click panes, scroll, resize
+set -g base-index 1                  # windows start at 1
+set -g pane-base-index 1             # panes start at 1
+set -g renumber-windows on           # keep window numbers sequential
+set -g allow-rename off              # keep stable window names
+set -g set-titles on
+set -g set-titles-string "#S:#I — #W"
+setw -g aggressive-resize on         # resize to smallest *active* client
+
+# ─── Appearance ──────────────────────────────────────────────────────────────
+set -g window-style "bg=#0a0a0a"
 set -g window-active-style "bg=#000000"
+set -g pane-border-style "fg=#333333,bg=default"
+set -g pane-active-border-style "fg=#ff6600,bg=default"
+set -g pane-border-lines heavy       # thicker borders — easy to see splits
+
+# Status bar — compact, top-aligned for max terminal space
+set -g status-position top
+set -g status-interval 5
+set -g status-style "bg=#1a1a2e,fg=#e0e0e0"
+set -g status-left-length 30
+set -g status-right-length 60
+set -g status-left "#[fg=#00ff88,bold] #S #[fg=#555555]│ "
+set -g status-right "#[fg=#555555]│ #[fg=#88aaff]#{pane_current_command} #[fg=#555555]│ #[fg=#aaaaaa]%H:%M "
+setw -g window-status-format "#[fg=#666666] #I:#W "
+setw -g window-status-current-format "#[fg=#ff6600,bold] #I:#W#{?window_zoomed_flag, Z,} "
+set -g message-style "bg=#1a1a2e,fg=#ff6600,bold"
+
+# ─── Prefix ─────────────────────────────────────────────────────────────────
+set -g prefix C-b
+set -g prefix2 C-a
+bind C-a send-prefix -2
+
+# ─── Pane Splitting ─────────────────────────────────────────────────────────
+bind | split-window -h -c "#{pane_current_path}"
+bind \\ split-window -h -c "#{pane_current_path}"
+bind - split-window -v -c "#{pane_current_path}"
+bind _ split-window -v -c "#{pane_current_path}"
+
+# ─── Pane Navigation (no prefix needed) ─────────────────────────────────────
+bind -n M-Left  select-pane -L
+bind -n M-Right select-pane -R
+bind -n M-Up    select-pane -U
+bind -n M-Down  select-pane -D
+
+# Prefix + vim-style fallback
+bind h select-pane -L
+bind j select-pane -D
+bind k select-pane -U
+bind l select-pane -R
+
+# ─── Pane Resizing (no prefix needed) ───────────────────────────────────────
+bind -n S-Left  resize-pane -L 3
+bind -n S-Right resize-pane -R 3
+bind -n S-Up    resize-pane -U 2
+bind -n S-Down  resize-pane -D 2
+
+# Fine-grained with prefix
+bind -r H resize-pane -L 5
+bind -r J resize-pane -D 5
+bind -r K resize-pane -U 5
+bind -r L resize-pane -R 5
+
+# ─── Window Navigation (no prefix needed) ───────────────────────────────────
+bind -n M-1 select-window -t 1
+bind -n M-2 select-window -t 2
+bind -n M-3 select-window -t 3
+bind -n M-4 select-window -t 4
+bind -n M-5 select-window -t 5
+bind -n M-6 select-window -t 6
+bind -n M-7 select-window -t 7
+bind -n M-8 select-window -t 8
+bind -n M-9 select-window -t 9
+bind c new-window -c "#{pane_current_path}"
 
-### copy-mode
+# ─── Zoom & Layout ──────────────────────────────────────────────────────────
+bind Space next-layout
+bind = select-layout tiled            # equal grid — best for 3–4 agents
+bind + select-layout even-horizontal  # side-by-side columns
+bind E select-layout even-vertical    # stacked rows
 
-# Set custom key bindings for copy mode
+# ─── Quick Agent Layouts ────────────────────────────────────────────────────
+# Prefix + Alt-2: 2 side-by-side panes
+bind M-2 \
+  split-window -h -c "#{pane_current_path}" \;\
+  select-layout even-horizontal
+
+# Prefix + Alt-3: 1 main left + 2 stacked right
+bind M-3 \
+  split-window -h -c "#{pane_current_path}" \;\
+  split-window -v -c "#{pane_current_path}" \;\
+  select-layout main-vertical
+
+# Prefix + Alt-4: 2×2 grid
+bind M-4 \
+  split-window -h -c "#{pane_current_path}" \;\
+  split-window -v -c "#{pane_current_path}" \;\
+  select-pane -t 1 \;\
+  split-window -v -c "#{pane_current_path}" \;\
+  select-layout tiled
+
+# ─── Sync Input (broadcast to all panes) ────────────────────────────────────
+bind S setw synchronize-panes \; \
+  display-message "sync: #{?synchronize-panes,ON,OFF}"
+
+# ─── Session Management ─────────────────────────────────────────────────────
+bind s choose-tree -sZ
+bind N command-prompt -p "new session:" "new-session -s '%%'"
+
+# ─── Copy Mode ──────────────────────────────────────────────────────────────
+setw -g mode-keys vi
+set -g mode-style "bg=#2a2a4a,fg=#e0e0e0"
+
+bind v copy-mode
+
+# macOS clipboard integration (pbcopy)
+bind -T copy-mode-vi v send-keys -X begin-selection
+bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "pbcopy"
+bind -T copy-mode-vi r send-keys -X rectangle-toggle
+bind -T copy-mode-vi Escape send-keys -X cancel
+bind -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "pbcopy"
+
+# Custom IJKL navigation (copy-mode)
 bind-key -T copy-mode 'i' send-keys -X cursor-up
 bind-key -T copy-mode 'k' send-keys -X cursor-down
 bind-key -T copy-mode 'j' send-keys -X cursor-left
@@ -23,10 +175,18 @@ bind-key -T copy-mode 'u' send-keys -X start-of-line
 bind-key -T copy-mode 'o' send-keys -X end-of-line
 bind-key -T copy-mode '.' send-keys -X page-up
 bind-key -T copy-mode ',' send-keys -X page-down
-
-# selection and clipboard
 bind-key -T copy-mode '[' send-keys -X begin-selection
 bind-key -T copy-mode 'Space' send-keys -X begin-selection
 bind-key -T copy-mode ']' send-keys -X clear-selection
+bind-key -T copy-mode Enter send-keys -X copy-pipe-and-cancel "pbcopy"
+
+# Scroll into copy mode with mouse wheel
+bind -n WheelUpPane if-shell -F -t = "#{mouse_any_flag}" "send-keys -M" \
+  "if -Ft= '#{pane_in_mode}' 'send-keys -M' 'copy-mode -e'"
 
-bind-key -T copy-mode Enter send-keys -X copy-selection-and-cancel
+# ─── Utility ────────────────────────────────────────────────────────────────
+bind r source-file ~/.tmux.conf \; display-message "config reloaded"
+bind X kill-pane
+bind Q confirm-before -p "kill window #W? (y/n)" kill-window
+bind m select-pane -m
+bind M swap-pane
diff --git a/tmux_linux.conf b/tmux_linux.conf
@@ -1,7 +1,7 @@
 # 09Sep23 v1
 # https://gist.githubusercontent.com/trungnt13/34a8b101ab7fe14f7f0f194d1f63ad6c/raw/ea9293953796d78b8b93e67e046a5583c6cc6d39/tmux_linux.conf
 # 09Sep23 v2
-# https://gist.githubusercontent.com/trungnt13/34a8b101ab7fe14f7f0f194d1f63ad6c/raw/ea9293953796d78b8b93e67e046a5583c6cc6d39/tmux_linux.conf
+# https://gist.githubusercontent.com/trungnt13/34a8b101ab7fe14f7f0f194d1f63ad6c/raw/51dc5214e47d648039dffe83908e603ab07bf9c2/tmux_linux.conf
 set -g history-limit 100000
 
 ## Change background and border of active pane

diff --git a/tmux_linux.conf b/tmux_linux.conf
@@ -1,6 +1,6 @@
-# 09Sep23
+# 09Sep23 v1
 # https://gist.githubusercontent.com/trungnt13/34a8b101ab7fe14f7f0f194d1f63ad6c/raw/ea9293953796d78b8b93e67e046a5583c6cc6d39/tmux_linux.conf
-# 09Sep23
+# 09Sep23 v2
 # https://gist.githubusercontent.com/trungnt13/34a8b101ab7fe14f7f0f194d1f63ad6c/raw/ea9293953796d78b8b93e67e046a5583c6cc6d39/tmux_linux.conf
 set -g history-limit 100000
 

diff --git a/tmux_linux.conf b/tmux_linux.conf
@@ -1,5 +1,7 @@
 # 09Sep23
 # https://gist.githubusercontent.com/trungnt13/34a8b101ab7fe14f7f0f194d1f63ad6c/raw/ea9293953796d78b8b93e67e046a5583c6cc6d39/tmux_linux.conf
+# 09Sep23
+# https://gist.githubusercontent.com/trungnt13/34a8b101ab7fe14f7f0f194d1f63ad6c/raw/ea9293953796d78b8b93e67e046a5583c6cc6d39/tmux_linux.conf
 set -g history-limit 100000
 
 ## Change background and border of active pane
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