Ground NPC occurrences by canonical names

assets/dnd/npc-occurrences/prompts/instructions.md

@@ -1,8 +1,8 @@
 Extract Dungeons & Dragons NPC occurrences from the supplied
 transcript. Include an occurrence only when the transcript establishes one
 supplied NPC, one occurrence kind, and a coherent passage supporting both.
-Use the exact `npc_id` and matching `name` pair from the supplied NPC registry;
-never invent an ID or substitute a similar name.
+Use the supplied canonical NPC `name`; never invent or substitute a similar
+name. Cite current-transcript evidence for every occurrence.
 
 Do not summarize, infer relationships, sentiment, factions, motives, aliases,
 or persistent state. Do not identify player characters, anonymous groups, or

assets/dnd/npc-occurrences/schemas/dnd_npc_occurrences_llm.v1.json

@@ -10,11 +10,8 @@
       "items": {
         "type": "object",
         "additionalProperties": false,
-        "required": ["npc_id", "name", "kind", "source_refs"],
+        "required": ["name", "kind", "source_refs"],
         "properties": {
-          "npc_id": {
-            "type": "string"
-          },
           "name": {
             "type": "string"
           },