Minimize D&D spell extraction contracts

internal/modules/dnd/extract/spells/assets/schemas/dnd_spells_llm.v1.json

@@ -13,8 +13,6 @@
         "required": [
           "caster",
           "spell",
-          "effect",
-          "narrative_description",
           "source_refs"
         ],
         "properties": {
@@ -26,17 +24,9 @@
             "type": "string",
             "description": "Canonical spell name from the provided spell-name catalog."
           },
-          "effect": {
-            "type": "string",
-            "description": "Concise immediate effect or resolution established by the cited transcript units; do not infer mechanics from general D&D rules knowledge or follow persistent downstream consequences."
-          },
-          "narrative_description": {
-            "type": "string",
-            "description": "Short session-grounded description of the casting declaration and immediate resolution, containing only details established by the cited transcript units."
-          },
           "source_refs": {
             "type": "array",
-            "description": "Transcript ranges offered as evidence for factual claims about the casting declaration and immediate resolution in this spell-cast object.",
+            "description": "Transcript ranges offered as evidence for the caster, spell name, and casting event in this spell-cast object.",
             "items": {
               "type": "object",
               "additionalProperties": false,