让远程 tmux 中的 Claude Code 通过终端发送通知

printf '\033Ptmux;\033\033]777;notify;Title;Body\007\033\\'

# ~/.tmux.conf
set -g allow-passthrough on
set -ga terminal-overrides ',*:allow-passthrough=on'

# ~/.claude/hooks/cmux-remote-notify.sh
#!/bin/bash
# Remote notification hook for Claude Code / OpenCode
# Sends desktop notifications via OSC passthrough + tmux passthrough

[ -n "$TMUX" ] || exit 0

LOCATION=$(tmux display-message -t "$TMUX_PANE" -p '#{session_name}:#{window_index}')
SHORT_PATH=$(tmux display-message -t "$TMUX_PANE" -p '#{pane_current_path}' | sed 's/.*\/\(.*\/.*\)/\1/')
WINDOW_ID=$(tmux display-message -t "$TMUX_PANE" -p '#{window_id}')
WINDOW_NAME=$(tmux display-message -t "$TMUX_PANE" -p '#{window_name}')

osc_notify() {
    local body="${1:-}"
    # Truncate by characters to avoid breaking UTF-8 multi-byte characters
    body=$(echo "$body" | awk '{if(length($0)>100) print substr($0,1,100)"…"; else print}')
    # Escape special characters to prevent shell interpretation
    body=$(echo "$body" | sed "s/'/'\\\\''/g")
    local tmp=$(mktemp)
    printf '\033Ptmux;\033\033]777;notify;%s @ tmux:%s;%s\007\033\\' "$AGENT_LABEL" "$LOCATION" "$body" > "$tmp"
    # A temporary pane is required to emit OSC sequences: tmux only renders output from
    # visible panes to the outer terminal. Background process output is silently dropped.
    # This pane flashes briefly and works even if the active window has been switched away.
    tmux split-window -v -l 1 -P "cat '$tmp'; rm -f '$tmp'" 2>/dev/null
}

add_bell_indicator() {
    local active=$(tmux display-message -t "$WINDOW_ID" -p '#{window_active}')
    [[ "$active" == "1" ]] && return
    [[ "$WINDOW_NAME" =~ ^🔔[[:space:]] ]] && return
    tmux rename-window -t "$WINDOW_ID" "🔔 $WINDOW_NAME"
}

json_extract() {
    local json="$1" key="$2"
    echo "$json" | grep -o "\"$key\"[[:space:]]*:[[:space:]]*\"[^\"]*\"" \
        | sed 's/.*: *"\([^"]*\)".*/\1/' | head -1
}

truncate_line() {
    awk '{if(length($0)>80) print substr($0,1,80)"…"; else print}' | head -1
}

INPUT=$(cat)
EVENT="$1"

# Detect agent source: OpenCode includes hook_source in its JSON, Claude does not
if echo "$INPUT" | jq -e '.hook_source == "opencode-plugin"' &>/dev/null; then
    AGENT_LABEL="OpenCode"
else
    AGENT_LABEL="Claude"
fi

claude_last_assistant_text() {
    if command -v jq &>/dev/null; then
        echo "$INPUT" | jq -r '.last_assistant_message // empty' 2>/dev/null | truncate_line
    else
        json_extract "$INPUT" "last_assistant_message" | truncate_line
    fi
}

opencode_last_assistant_text() {
    local session_id=$(echo "$INPUT" | jq -r '.session_id // empty' 2>/dev/null)
    [[ -z "$session_id" ]] && return
    command -v sqlite3 &>/dev/null || return
    [[ "$session_id" =~ ^[a-zA-Z0-9_-]+$ ]] || return
    local db="$HOME/.local/share/opencode/opencode.db"
    [ -f "$db" ] || return
    sqlite3 "$db" "SELECT json_extract(data, '$.text') FROM part WHERE message_id IN (SELECT id FROM message WHERE session_id = '$session_id' AND json_extract(data, '$.role') = 'assistant' ORDER BY time_created DESC LIMIT 1) AND json_extract(data, '$.type') = 'text' ORDER BY time_created DESC LIMIT 1" 2>/dev/null | truncate_line
}

case "$EVENT" in
    stop|idle)
        if [[ "$AGENT_LABEL" == "OpenCode" ]]; then
            LAST_MSG=$(opencode_last_assistant_text)
        else
            LAST_MSG=$(claude_last_assistant_text)
        fi
        osc_notify "${LAST_MSG:-$SHORT_PATH ✓}"
        sleep 0.2
        add_bell_indicator
        ;;
    notification|notify)
        if command -v jq &>/dev/null; then
            BODY=$(echo "$INPUT" | jq -r '.body // "Needs input"' 2>/dev/null | awk '{if(length($0)>100) print substr($0,1,100)"…"; else print}')
        else
            BODY=$(json_extract "$INPUT" "body")
            [ -z "$BODY" ] && BODY="Needs input"
        fi
        osc_notify "$SHORT_PATH: $BODY"
        sleep 0.2
        add_bell_indicator
        ;;
esac

# ~/.claude/hooks/tmux-clear-bell.sh
#!/bin/bash
WIN_NAME=$(tmux display-message -p '#{window_name}')
if [[ "$WIN_NAME" =~ ^🔔[[:space:]] ]]; then
    CLEAN_NAME="${WIN_NAME#🔔 }"
    tmux rename-window "$CLEAN_NAME"
fi

# 确保 focus-events 开启，并设置 hook
tmux set-option -g focus-events on
tmux set-hook -g pane-focus-in "run-shell '~/.claude/hooks/tmux-clear-bell.sh'"
chmod +x ~/.claude/hooks/tmux-clear-bell.sh

chmod +x ~/.claude/hooks/cmux-remote-notify.sh