Document near-term report behavior

docs/internal/prompt-input.md

@@ -68,6 +68,12 @@ Prompt-facing module intervals use local `period_begins` and `period_ends`
 labels; canonical report metadata and source timestamps remain structured
 timestamps where applicable.
 
+Near-Term Report uses the same package schema and categories. Its default
+package includes `precip_timing` under `derived_summaries`, alert and SPC
+outlooks under `applicable_risk_products`, AFD/SPC discussion/weather story
+under `narrative_products`, and current/hourly data under `raw_data`. It does
+not include daily or daypart summary stanzas.
+
 Current categories are:
 
 - `applicable_risk_products`: location-applicable alerts, warnings, outlooks,
@@ -106,6 +112,7 @@ None.
 ## Skip And Resume Behavior
 
 None. Recent Changes is always present as an `items` list and may be empty.
+Near-Term Report currently writes an empty `items` list.
 
 ## Failure Behavior