fix: usar ruta absoluta al crear bd de pruebas web y limpiar archivo

Co-authored-by: aider (openrouter/openai/gpt-5) <aider@aider.chat>

tests/web/helpers/db.ts

@@ -1,5 +1,5 @@
 import { mkdirSync, rmSync } from 'fs';
-import { join } from 'path';
+import { join, resolve } from 'path';
 import Database from 'bun:sqlite';
 import { initializeDatabase } from '../../../src/db';
 
@@ -7,11 +7,12 @@ export function createTempDb(): { path: string; db: any; cleanup: () => void } {
   const dir = join('tmp', 'web-tests');
   try { mkdirSync(dir, { recursive: true }); } catch {}
   const path = join(dir, `db-${Date.now()}-${Math.random().toString(16).slice(2)}.sqlite`);
-  const db = new Database(path);
+  const absPath = resolve(path);
+  const db = new Database(absPath);
   initializeDatabase(db);
   const cleanup = () => {
     try { db.close(); } catch {}
-    try { rmSync(path); } catch {}
+    try { rmSync(absPath); } catch {}
   };
-  return { path, db, cleanup };
+  return { path: absPath, db, cleanup };
 }