Initial BizOne portal setup

prisma/migrations/0004_audit_logs/migration.sql

@@ -0,0 +1,18 @@
+CREATE TABLE audit_logs (
+  id TEXT PRIMARY KEY,
+  actor_user_id TEXT,
+  actor_name TEXT NOT NULL,
+  actor_email TEXT,
+  action_type TEXT NOT NULL,
+  module TEXT NOT NULL,
+  ip_address TEXT,
+  severity TEXT NOT NULL DEFAULT 'default',
+  details TEXT NOT NULL,
+  metadata_json JSONB,
+  created_at TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE INDEX audit_logs_created_at_idx ON audit_logs(created_at);
+CREATE INDEX audit_logs_actor_name_idx ON audit_logs(actor_name);
+CREATE INDEX audit_logs_action_type_idx ON audit_logs(action_type);
+CREATE INDEX audit_logs_module_idx ON audit_logs(module);