Function export_architect_source 

pub fn export_architect_source(
    config: &DbBackendConfig,
    adapter: &dyn DatabaseOperations,
    schema: &AppSchema,
    task_id: i64,
    source_root: &Path,
    export_root: &Path,
    export_kind: ArchitectSourceExportKind,
) -> Result<ArchitectSourceExport, AgentErrorKind>

Exports one owned generated app source tree into a deterministic JSON source bundle.