Document accepted chunk map export

docs/config.md

@@ -25,6 +25,7 @@ The explicit-path option is defined in the [CLI reference](cli.md).
 - [D&D combat-turn configuration](../examples/dnd-combat-turns.config.yml)
 - [D&D NPC-grounded spell and combat configuration](../examples/dnd-npc-grounded.config.yml)
 - [D&D NPC interaction configuration](../examples/dnd-npc-interactions.config.yml)
+- [D&D scene chunk-map configuration](../examples/dnd-scene-chunk-map.config.yml)
 
 All are complete version 3 files. The fragments below illustrate individual
 fields and are not alternate complete configurations.
@@ -331,6 +332,25 @@ During resolution, each selected module's registered option validator runs.
 Production input, chunk, and output bindings reject unknown or invalid options
 with the affected binding context.
 
+### JSON Output Options
+
+The `json` output module accepts only `include_chunk_map`, a boolean that
+defaults to `false`. When `true`, it adds the accepted pipeline-wide chunk map
+to the logical output bundle when one exists. It does not create a CLI flag or
+change output placement.
+
+```yaml
+output:
+  module: json
+  options:
+    include_chunk_map: true
+```
+
+The payload and index descriptor are defined by the
+[Accepted Chunk Map contract](integrations/chunk-map.md). See the complete
+[D&D scene chunk-map configuration](../examples/dnd-scene-chunk-map.config.yml)
+for a copyable pipeline.
+
 Validator bindings use the same shorthand or object module-binding form, but
 only these fields are supported:
 
@@ -363,7 +383,7 @@ production validators do not call the LLM and must not set `llm_profile`.
 | normalize | `dnd/npcs` | Deterministically consolidates typed D&D NPC-list artifacts by canonical name and unions exact evidence. |
 | normalize | `dnd/combat-turns` | Deterministically canonicalizes, orders, and de-duplicates typed D&D combat-turn artifacts. |
 | normalize | `dnd/npc-interactions` | Canonicalizes registry NPC names, orders interaction occurrences, and removes only exact duplicates. |
-| output | `json` | Produces JSON output files for normalized `application/json` lanes. |
+| output | `json` | Produces JSON output files for normalized `application/json` lanes and can opt in to an accepted chunk map. |
 
 ## Implemented Production Validators