Centralize atomic artifact writes

docs/internal/state.md

@@ -15,7 +15,7 @@ Inputs:
 - resolved report definition and valid period
 - briefing package
 - prompt input data package
-- Scriptorium render result
+- preflight artifact
 - rendered report path preparation request
 - RunID for inspection lookups
 
@@ -35,7 +35,8 @@ Outputs:
 - This package owns managed workspace layout, path validation, filesystem
   writes, and metadata reads.
 - It does not fetch weather data, derive forecasts, build prompt input content,
-  compare briefing contents, invoke Scriptorium, or parse CLI flags.
+  compare briefing contents, invoke Scriptorium, import adapter result types, or
+  parse CLI flags.
 
 ## Config Fields Used