Add slap-notes-bin

Local-first block notes with a wiki-link graph and a built-in AI research agent. Electron over a Next.js server, x86_64 only, repackaged from the vendor tarball with a Wayland launcher.

Not in the AUR. The package follows its GitHub release feed through the declarative github upstream provider, reading each release's SHA256SUMS, with a 24h min_release_age quarantine.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

pkgbuilds/slap-notes-bin/slap-notes-launcher.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+set -euo pipefail
+
+user_flags=()
+config_home="${XDG_CONFIG_HOME:-}"
+[[ -n "$config_home" || -z "${HOME:-}" ]] || config_home="$HOME/.config"
+flags_file="${config_home:+$config_home/slap-notes-flags.conf}"
+
+if [[ -n "$flags_file" && -f "$flags_file" && -r "$flags_file" ]]; then
+  while IFS= read -r line || [[ -n "$line" ]]; do
+    line="${line%%#*}"
+    [[ -n "${line//[[:space:]]/}" ]] || continue
+    read -r -a flags <<<"$line"
+    user_flags+=("${flags[@]}")
+  done <"$flags_file"
+fi
+
+# Chromium's own Ozone detection falls back to XWayland often enough to matter,
+# and the result is a blurry window on every scaled display. Ask for Wayland
+# directly, unless the user has already picked a platform themselves.
+platform_flags=()
+if [[ -n "${WAYLAND_DISPLAY:-}" || "${XDG_SESSION_TYPE:-}" == wayland ]]; then
+  platform_flags=(--ozone-platform=wayland)
+
+  for flag in "${user_flags[@]}" "$@"; do
+    case "$flag" in
+      --ozone-platform=* | --ozone-platform-hint=*) platform_flags=() ;;
+    esac
+  done
+fi
+
+exec /opt/slap-notes/slap-notes "${platform_flags[@]}" "${user_flags[@]}" "$@"