Add session manager for tmux.

This will open a tmux session for each monitor.
Add helper script for tmux actions.

i3/smart-terminal.sh

@@ -0,0 +1,97 @@
+#!/bin/bash
+
+# Smart terminal launcher with monitor-aware tmux sessions
+# This script detects the current monitor and workspace to create/attach to appropriate tmux sessions
+
+# Get the focused monitor using i3-msg
+get_current_monitor() {
+    if command -v i3-msg &> /dev/null && i3-msg -t get_workspaces &>/dev/null; then
+        i3-msg -t get_workspaces 2>/dev/null | jq -r '.[] | select(.focused==true) | .output' 2>/dev/null
+    else
+        echo "default"
+    fi
+}
+
+# Get the current workspace number
+get_current_workspace() {
+    if command -v i3-msg &> /dev/null && i3-msg -t get_workspaces &>/dev/null; then
+        i3-msg -t get_workspaces 2>/dev/null | jq -r '.[] | select(.focused==true) | .num' 2>/dev/null
+    else
+        echo "1"
+    fi
+}
+
+# Determine session name based on monitor and workspace
+get_session_name() {
+    local monitor=$(get_current_monitor)
+    local workspace=$(get_current_workspace)
+    
+    # Fallback if we can't get monitor/workspace info
+    if [ -z "$monitor" ] || [ "$monitor" = "null" ]; then
+        monitor="default"
+    fi
+    if [ -z "$workspace" ] || [ "$workspace" = "null" ]; then
+        workspace="1"
+    fi
+    
+    # Clean monitor name (remove special characters)
+    monitor_clean=$(echo "$monitor" | sed 's/[^a-zA-Z0-9-]/_/g')
+    
+    # Map monitors to logical screen names
+    case "$monitor_clean" in
+        "eDP_1"|"eDP1")
+            screen="laptop"
+            ;;
+        "DVI_I_2_2"|"HDMI_1"|"HDMI1"|"DP_1"|"DP1")
+            screen="external1"
+            ;;
+        "DVI_I_1_1"|"HDMI_2"|"HDMI2"|"DP_2"|"DP2")
+            screen="external2"
+            ;;
+        "default")
+            screen="main"
+            ;;
+        *)
+            screen="${monitor_clean}"
+            ;;
+    esac
+    
+    # Create session name: screen-workspace (e.g., laptop-1, external1-5)
+    if [ "$screen" = "main" ]; then
+        echo "main"
+    else
+        echo "${screen}-ws${workspace}"
+    fi
+}
+
+# Launch alacritty with tmux
+launch_terminal() {
+    local session_name=$(get_session_name)
+    
+    # Debug logging (remove after testing)
+    echo "Launching terminal with session: $session_name" >> /tmp/smart-terminal.log
+    
+    # Check if alacritty exists
+    ALACRITTY_PATH="/home/jens/.cargo/bin/alacritty"
+    if [ ! -x "$ALACRITTY_PATH" ]; then
+        ALACRITTY_PATH=$(which alacritty 2>/dev/null)
+        if [ -z "$ALACRITTY_PATH" ]; then
+            # Fallback to xterm or another terminal
+            echo "Alacritty not found, falling back to xterm" >> /tmp/smart-terminal.log
+            xterm -e tmux new-session -A -s "$session_name" &
+            exit 0
+        fi
+    fi
+    
+    # Check if tmux session exists
+    if tmux has-session -t "$session_name" 2>/dev/null; then
+        # Session exists, attach to it
+        "$ALACRITTY_PATH" --title "Terminal [$session_name]" -e tmux attach-session -t "$session_name" &
+    else
+        # Create new session with meaningful name
+        "$ALACRITTY_PATH" --title "Terminal [$session_name]" -e tmux new-session -s "$session_name" &
+    fi
+}
+
+# Main execution
+launch_terminal