feat: rules midgame priority system, mission enhancements, and requisition shop improvements

- Add midgame priority ranking for rules (midgamePriority field)
- Enhance rules search to support midgame filtering and sorting
- Improve mission simulation and midgame tracking
- Fix RequisitionShop player name handling
- Add rules midplay simulation tests
- Update MissionTab with midgame scene tracking
- Add backend logging for rules updates

tests/rulesMidplaySimulation.test.js

@@ -0,0 +1,60 @@
+const { execFileSync } = require('child_process');
+const fs = require('fs');
+const path = require('path');
+
+const repoRoot = path.resolve(__dirname, '..');
+const rulesPath = path.join(repoRoot, 'database', 'rules', 'rules-database.json');
+
+describe('mid-play rules database', () => {
+  const db = JSON.parse(fs.readFileSync(rulesPath, 'utf8'));
+  const rules = db.rules || [];
+
+  test('contains required live-play entries with provenance', () => {
+    const required = [
+      'Dodge',
+      'Parry',
+      'Full Auto Burst',
+      'Semi-Auto Burst',
+      'Suppressing Fire',
+      'Overwatch',
+      'Pinning',
+      'Righteous Fury',
+      'Critical Damage',
+      'Hordes',
+      'Cohesion Damage',
+      'Maintaining Squad Mode',
+      'Requisition',
+      'Renown',
+      'Fear'
+    ];
+
+    for (const title of required) {
+      const rule = rules.find(r => r.title === title);
+      expect(rule).toBeTruthy();
+      expect(rule.sourceAbbr).toBeTruthy();
+      expect(rule.sourceMethod).toBeTruthy();
+      expect(Number(rule.confidence)).toBeGreaterThanOrEqual(0.7);
+      expect(Number(rule.midgamePriority)).toBeGreaterThanOrEqual(70);
+    }
+  });
+
+  test('uses the enriched schema needed by the UI', () => {
+    expect(db.metadata && db.metadata.builder).toBe('scripts/build-midgame-rules.py');
+    for (const rule of rules) {
+      expect(rule.rule_id || rule.id).toBeTruthy();
+      expect(rule.title).toBeTruthy();
+      expect(rule.summary).toBeDefined();
+      expect(Array.isArray(rule.tags)).toBe(true);
+      expect(Array.isArray(rule.aliases)).toBe(true);
+      expect(Array.isArray(rule.relatedRules)).toBe(true);
+    }
+  });
+
+  test('simulates GM and player lookups during play', () => {
+    const output = execFileSync('node', ['scripts/simulate-midplay-rules.js'], {
+      cwd: repoRoot,
+      encoding: 'utf8'
+    });
+    expect(output).toContain('All mid-play lookup scenarios passed.');
+  });
+});