Wire task runs to provider gateway

AgentCompany-New/src/main/database/migrations/024-task-run-provider-request.ts

@@ -0,0 +1,10 @@
+export const taskRunProviderRequestSchema = `
+  alter table task_runs add column provider_request_id text references provider_requests(id) on delete set null;
+
+  create index if not exists idx_task_runs_provider_request
+    on task_runs(provider_request_id)
+    where provider_request_id is not null;
+
+  insert into schema_migrations(version, name, applied_at)
+  values (24, 'task_run_provider_request', datetime('now'));
+`;