Added a location block to the data package

docs/internal/briefing.md

@@ -16,7 +16,7 @@ Inputs:
 - resolved report definition, generation time, timezone, and valid period
 - forecast bundle with source provenance and warnings
 - derived daily or period summaries where required
-- configured units and timezone
+- configured units, timezone, and descriptive location context
 
 Outputs:
 
@@ -34,6 +34,8 @@ Outputs:
 
 The package receives configured units and timezone from the app layer. Daypart
 configuration is consumed by `internal/forecast` before briefing builders run.
+Configured `location` values are prompt context only; Weather API
+`sourceLocationId` and `sourceLocation` remain source provenance.
 
 ## External Adapters Used
 
@@ -74,6 +76,6 @@ Inspect:
 
 - Briefings contain structured weather facts and source context.
 - Common metadata includes RunID, report ID, prompt ID, valid period, source
-  provenance, source hashes, and source warnings.
+  provenance, source hashes, source warnings, and configured prompt location.
 - LLM prompt input packaging and Scriptorium execution remain outside this
   boundary.