Complete Panama settings controls

tests/quickshell/settings-hardcoded-values-contract.sh

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+#!/usr/bin/env bash
+
+# Public Settings.qml values are the compatibility surface consumed throughout
+# the shell. Once a value becomes user-configurable, this file must read it from
+# DesktopPreferences rather than keeping a second hardcoded source of truth.
+
+set -euo pipefail
+
+repo_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
+settings="$repo_dir/config/dot/quickshell/config/Settings.qml"
+
+fail() {
+    printf 'settings hardcoded values contract: %s\n' "$1" >&2
+    exit 1
+}
+
+properties=(
+    temperatureUnit
+    weatherRefreshMinutes
+    vitalsIntervalMs
+    notificationTimeoutMs
+    notificationTimeoutCriticalMs
+    notificationHistoryLimit
+    maxVisibleToasts
+    screenshotDir
+    recordingDir
+    recorderArgs
+)
+
+for property in "${properties[@]}"; do
+    count="$(rg -c \
+        "^[[:space:]]*readonly property [A-Za-z]+ ${property}: DesktopPreferences\\.get\\(\"${property}\"\\)[[:space:]]*(//.*)?$" \
+        "$settings" || true)"
+    [[ "$count" == "1" ]] \
+        || fail "$property must use DesktopPreferences.get(\"$property\") exactly once"
+done
+
+# dockPinned was already migrated on the shared branch. Pinning it here keeps a
+# later bulk edit from accidentally restoring the old hardcoded app list.
+rg -q '^[[:space:]]*readonly property var dockPinned: DesktopPreferences\.get\("dockPinned"\)[[:space:]]*$' "$settings" \
+    || fail 'dockPinned no longer reads DesktopPreferences exactly'
+
+printf 'settings hardcoded values contract: PASS\n'