feat(db): 🏠 added work_mode because office is overrated anyway

backend/migrations/012_add_work_mode.sql

@@ -0,0 +1,11 @@
+-- Migration: Add work_mode column to jobs table
+-- Description: Categorizes jobs as onsite, hybrid, or remote
+
+ALTER TABLE jobs ADD COLUMN IF NOT EXISTS work_mode VARCHAR(20) 
+    CHECK (work_mode IN ('onsite', 'hybrid', 'remote')) 
+    DEFAULT 'onsite';
+
+-- Index for filtering by work mode
+CREATE INDEX IF NOT EXISTS idx_jobs_work_mode ON jobs(work_mode);
+
+COMMENT ON COLUMN jobs.work_mode IS 'Work mode: onsite (presencial), hybrid (híbrido), remote (remoto)';