ci: shellcheck + markdownlint fixes on top of v1.25

  - bin/flashpaste-logs.sh:118 SC1007 (bare `GRN= RED= WHT=` on the
    non-TTY branch) — rewritten as `GRN='' RED='' WHT=''`.
  - bin/flashpaste-logs.sh:206 SC2178/SC2128 — local `prev=""` in
    `kitty_poller` shadowed `declare -A prev=()` in
    `claude_state_poller`. Renamed the local to `last` so shellcheck
    no longer sees an array-vs-string conflict at the function
    boundary.
  - CHANGELOG.md:92 MD049/emphasis-style — `_…_` italics on the v1.22
    revert note converted to `*…*` to match the rest of the file.

Pure CI hygiene on top of v1.25 — no behaviour change.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: NagyVikt

CHANGELOG.md

@@ -89,7 +89,7 @@ Release-tag policy: every `vX.Y` commit on `main` must be tagged and have a matc
 
 ### Fixed
 
-- `examples/tmux.conf.snippet`: dropped the `-O` flag from the right-click menu binding so the menu auto-dismisses on click-outside / mouse-release-outside. With `-O` the menu held the pane in modal-grab until Escape, which read as the pane being "frozen" after a right-click — most visible in TUIs that grab keystrokes (Claude Code chat input). _Reverted in v1.23 — the freeze repro was on tmux <3.4 and the removal made the menu unusable on 3.6a._
+- `examples/tmux.conf.snippet`: dropped the `-O` flag from the right-click menu binding so the menu auto-dismisses on click-outside / mouse-release-outside. With `-O` the menu held the pane in modal-grab until Escape, which read as the pane being "frozen" after a right-click — most visible in TUIs that grab keystrokes (Claude Code chat input). *Reverted in v1.23 — the freeze repro was on tmux <3.4 and the removal made the menu unusable on 3.6a.*
 
 ## [1.19] - 2026-05-19
 

bin/flashpaste-logs.sh

@@ -115,7 +115,7 @@ fi
 
 # ── line prefixers (sed -u keeps streaming, doesn't buffer) ──────────────
 # Two more colors for the new streams.
-if [ -t 1 ]; then GRN=$'\e[32m' RED=$'\e[31m' WHT=$'\e[37m'; else GRN= RED= WHT=; fi
+if [ -t 1 ]; then GRN=$'\e[32m' RED=$'\e[31m' WHT=$'\e[37m'; else GRN='' RED='' WHT=''; fi
 pfx_daemon()    { sed -u  "s|^|${CYN}[daemon] ${OFF}|"; }
 pfx_trigger()   { sed -u  "s|^|${YEL}[trigger]${OFF} |"; }
 pfx_pipeline()  { sed -u  "s|^|${MAG}[pipe]   ${OFF}|"; }
@@ -203,7 +203,10 @@ clipboard_poller() {
 # Kitty window state poller: emit on focus/count change. Use to debug
 # "send-text landed in the wrong window".
 kitty_poller() {
-  local sock prev=""
+  # `last` (was `prev`) renamed because `claude_state_poller` declares
+  # `declare -A prev=()` globally — shellcheck (correctly) flagged the
+  # same name shadowing an associative array with a string.
+  local sock last=""
   for s in "${XDG_RUNTIME_DIR:-/run/user/$(id -u)}"/kitty-main-*; do
     [ -S "$s" ] && sock="unix:$s" && break
   done
@@ -233,9 +236,9 @@ for ow in d:
             if w.get("is_active"):  active  = w.get("id")
 print(f"focused={focused} active={active} count={count}")
 ' 2>/dev/null)
-    if [ -n "$cur" ] && [ "$cur" != "$prev" ]; then
+    if [ -n "$cur" ] && [ "$cur" != "$last" ]; then
       printf '%s %s\n' "$ts" "$cur"
-      prev=$cur
+      last=$cur
     fi
     sleep "$CLIPBOARD_INTERVAL"
   done