fix(project): prevent deleted projects from resurrecting

- Migrate legacy project zips by moving instead of copying
- Remove legacy zip copies on project delete
- Add contract test for legacy migration/delete behavior

Made-with: Cursor

app/main/project/zipStore.legacyContract.test.ts

@@ -0,0 +1,25 @@
+import assert from 'node:assert/strict';
+import fs from 'node:fs';
+import path from 'node:path';
+import test from 'node:test';
+import { fileURLToPath } from 'node:url';
+
+const here = path.dirname(fileURLToPath(import.meta.url));
+
+void test('zipStore: deleteProjectById removes legacy sibling copies by entry.fileName', () => {
+  const src = fs.readFileSync(path.join(here, 'zipStore.ts'), 'utf8');
+  assert.match(src, /async deleteProjectById/);
+  assert.match(src, /for \(const legacyRoot of getLegacyProjectsRootDirs\(\)\)/);
+  assert.match(src, /path\.join\(legacyRoot, entry\.fileName\)/);
+  assert.match(src, /rmWithRetries\(fs\.rm, legacyZipPath, \{ force: true \}\)/);
+});
+
+void test('zipStore: legacy migration moves or copy\\+rm so deleted projects are not resurrected', () => {
+  const src = fs.readFileSync(path.join(here, 'zipStore.ts'), 'utf8');
+  assert.match(src, /migrateLegacyProjectZipsIfNeeded/);
+  assert.match(src, /if \(destZips\.has\(name\)\) continue/);
+  assert.match(src, /await fs\.rename\(from, to\)/);
+  assert.match(src, /await fs\.copyFile\(from, to\)/);
+  assert.match(src, /rmWithRetries\(fs\.rm, from, \{ force: true \}\)/);
+  assert.match(src, /не «возрождались»/);
+});