refactor: remove dead partition tool state

Issue: #176
User-Visible: no

test/unified-wall-tool-source.test.mjs

@@ -0,0 +1,34 @@
+import assert from 'node:assert/strict';
+import { readFileSync } from 'node:fs';
+import test from 'node:test';
+
+const cardSource = readFileSync(new URL('../src/houseplan-card.ts', import.meta.url), 'utf8');
+const en = JSON.parse(readFileSync(new URL('../src/i18n/en.json', import.meta.url), 'utf8'));
+const ru = JSON.parse(readFileSync(new URL('../src/i18n/ru.json', import.meta.url), 'utf8'));
+
+test('runtime exposes only the unified Walls tool state', () => {
+  const toolType = cardSource.match(/type MarkupTool = ([^;]+);/)?.[1] || '';
+  const toolSet = cardSource.match(/const MARKUP_TOOLS = new Set<MarkupTool>\(\[([\s\S]*?)\]\);/)?.[1] || '';
+
+  assert.doesNotMatch(toolType, /['"]partition['"]/);
+  assert.doesNotMatch(toolSet, /['"]partition['"]/);
+  assert.doesNotMatch(cardSource, /\b_partitionClick\b/);
+  assert.doesNotMatch(cardSource, /this\._tool\s*(?:===|!==)\s*['"]partition['"]/);
+  assert.doesNotMatch(cardSource, /['"]partition['"]\s*(?:===|!==)\s*this\._tool/);
+});
+
+test('only old tool copy is removed while persisted partition copy remains', () => {
+  for (const locale of [en, ru]) {
+    for (const key of [
+      'title.markup_partition',
+      'markup.hint_partition',
+      'physical.partition_size_title',
+    ]) assert.equal(key in locale, false, key);
+
+    for (const key of [
+      'markup.partition',
+      'physical.partition_properties',
+      'history.partition_add',
+    ]) assert.equal(typeof locale[key], 'string', key);
+  }
+});