feat(scripts): ✨ add kill command for tmux sessions

Co-Authored-By: Lilith Autocommit <noreply@atlilith.com>

bin/rclaude

@@ -843,6 +843,63 @@ EOF
     [ "$_sent" -gt 0 ]
 }
 
+cmd_kill() {
+    # Kill live tmux sessions (ends the claude process inside). Mirrors
+    # cmd_send's selector + local/remote dispatch. Used by supervisors
+    # (clare web) to recycle stale orchestrator sessions.
+    _sel=""; _pat=""; _yes=0
+    while [ $# -gt 0 ]; do
+        case $1 in
+            --all)      _sel=all; shift ;;
+            --host)     shift; _sel=host; _pat=${1:-}; shift ;;
+            --host=*)   _sel=host; _pat=${1#--host=}; shift ;;
+            --match)    shift; _sel=match; _pat=${1:-}; shift ;;
+            --match=*)  _sel=match; _pat=${1#--match=}; shift ;;
+            --yes)      _yes=1; shift ;;
+            *)          break ;;
+        esac
+    done
+    if [ -z "$_sel" ]; then
+        cat >&2 <<'EOF'
+usage: rclaude kill (--all | --host <h> | --match <pat>) [--yes]
+  Kills live claude-* tmux sessions (ends the claude process inside).
+  --yes is required to actually kill (dry-run preview otherwise).
+EOF
+        exit 2
+    fi
+    _rows=$(scan_hosts | while IFS= read -r _h; do list_tmux_on "$_h"; done \
+            | filter_targets "$_sel" "$_pat")
+    if [ -z "$_rows" ]; then
+        echo "rclaude kill: no matching sessions" >&2
+        exit 2
+    fi
+    echo "Targets:"
+    printf '%s\n' "$_rows" | awk -F '\t' '{ printf "  %-12s %s\n", $1, $3 }'
+    if [ "$_yes" != 1 ]; then
+        echo "(dry-run — pass --yes to kill)"
+        exit 0
+    fi
+    _total=0; _failed=0
+    _rowfile=$(mktemp /tmp/rclaude-kill.XXXXXX 2>/dev/null || echo /tmp/rclaude-kill.$$)
+    printf '%s\n' "$_rows" > "$_rowfile"
+    while IFS=$(printf '\t') read -r _host _kind _sess _detail; do
+        [ -z "$_sess" ] && continue
+        _total=$((_total + 1))
+        if is_local "$_host"; then
+            tmux kill-session -t "$_sess" 2>/dev/null || _failed=$((_failed + 1))
+        else
+            _q_sess=$(sh_quote "$_sess")
+            ssh -o BatchMode=yes -o ConnectTimeout=3 "$_host" \
+                "tmux kill-session -t $_q_sess" </dev/null >/dev/null 2>&1 \
+                || _failed=$((_failed + 1))
+        fi
+    done < "$_rowfile"
+    rm -f "$_rowfile"
+    _killed=$((_total - _failed))
+    echo "Killed $_killed of $_total session(s)."
+    [ "$_killed" -gt 0 ]
+}
+
 # Resume strategy:
 #   - 1 match                  → attach directly
 #   - 2+ matches                → single-key picker (1-9 then a-z, max 35)
@@ -1410,6 +1467,7 @@ case ${1:-} in
     resume)           shift; cmd_resume  "$@"; exit ;;
     triage)           shift; cmd_triage  "$@"; exit ;;
     send)             shift; cmd_send    "$@"; exit ;;
+    kill)             shift; cmd_kill    "$@"; exit ;;
     setup|install)    shift; cmd_setup   "$@"; exit ;;
     voice)            shift; cmd_voice   "$@"; exit ;;
     -v|--version)     cmd_version; exit ;;