fix(zshrc): safer trash rm wrapper; drop personal install fragment

Keep ~/.zshrc upgrade-friendly by not shipping author-specific
plugin samples as patch targets. Prefer the flag-tolerant trash
function over bare aliases so common rm -f usage still works.

.zshrc

@@ -233,15 +233,48 @@ alias ip="ip --color=auto"
 alias a='eza -la --git --colour-scale all -g --smart-group --icons always --hyperlink'  # the new ls; add --hyperlink if you like
 alias aa='eza -la --git --colour-scale all -g --smart-group --icons always -s modified -r --hyperlink'  # sort by new
 
-# ponytail: Trash aliases accept paths, not every rm flag; add a wrapper only if flag compatibility is required.
-if [[ "$OSTYPE" == darwin* && -x /usr/bin/trash ]]; then
-    alias rm='/usr/bin/trash'
-elif [[ "$OSTYPE" == darwin* ]] && command -v rmtrash &> /dev/null; then
-    alias rm='rmtrash'
-elif [[ "$OSTYPE" != darwin* ]] && command -v gio &> /dev/null; then
-    alias rm='gio trash'
-elif [[ "$OSTYPE" != darwin* ]] && command -v trash-put &> /dev/null; then
-    alias rm='trash-put'
+# rm moves files to Trash while tolerating standard rm flags: -f suppresses
+# missing-file errors; other flags are no-ops (trash backends are already
+# recursive). Files whose names start with "-" still need /bin/rm.
+# Shell snapshots (Claude Code etc.) restore functions but not global arrays,
+# so rm() re-resolves the backend when _TRASH_CMD is empty at call time.
+_resolve_trash_cmd() {
+    if [[ "$OSTYPE" == darwin* && -x /usr/bin/trash ]]; then
+        typeset -ga _TRASH_CMD=(/usr/bin/trash)
+    elif [[ "$OSTYPE" == darwin* ]] && command -v rmtrash &> /dev/null; then
+        typeset -ga _TRASH_CMD=(rmtrash)
+    elif [[ "$OSTYPE" != darwin* ]] && command -v gio &> /dev/null; then
+        typeset -ga _TRASH_CMD=(gio trash)
+    elif [[ "$OSTYPE" != darwin* ]] && command -v trash-put &> /dev/null; then
+        typeset -ga _TRASH_CMD=(trash-put)
+    fi
+}
+_resolve_trash_cmd
+if (( ${#_TRASH_CMD[@]} )); then
+    rm() {
+        (( ${#_TRASH_CMD[@]} )) || _resolve_trash_cmd
+        (( ${#_TRASH_CMD[@]} )) || { command rm "$@"; return }
+        local force=0 arg
+        local -a paths existing
+        for arg in "$@"; do
+            case "$arg" in
+                --) ;;
+                -*f*) force=1 ;;
+                -*) ;;
+                *) paths+=("$arg") ;;
+            esac
+        done
+        (( ${#paths[@]} )) || return 0
+        if (( force )); then
+            for arg in "${paths[@]}"; do
+                [[ -e "$arg" || -L "$arg" ]] && existing+=("$arg")
+            done
+            (( ${#existing[@]} )) || return 0
+            "${_TRASH_CMD[@]}" "${existing[@]}"
+        else
+            "${_TRASH_CMD[@]}" "${paths[@]}"
+        fi
+    }
 fi
 
 # Now source fzf.zsh , otherwise Ctr+r is overwritten by ohmyzsh