Add combat semantics validator prompt assets

assets/dnd/scene-descriptions/validate/combat-semantics/prompts/instructions.md

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+Review only whether the proposed scene kind correctly represents substantive
+active combat in the supplied transcript chunk under the shared combat policy.
+Do not judge the scene title, summary, non-combat subtype, scene boundary, or
+any other aspect of a scene description.
+
+Return `approved` only when the proposed kind's combat status is supported;
+approval does not endorse any other part of the scene description. Return
+`combat_should_be_added` when a proposed non-combat kind omits substantive
+active combat. Return `combat_should_be_removed` when a proposed `combat` kind
+is unsupported. Give a concise, transcript-grounded explanation for every
+verdict.

assets/dnd/scene-descriptions/validate/combat-semantics/prompts/prompt.yaml

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+id: dnd.scene_descriptions.validate_combat
+version: "v1"
+default_profile: dnd-extraction
+inputs:
+  - name: transcript
+    required: true
+    content_type: application/json
+  - name: proposed_kind
+    required: true
+    content_type: text/plain
+messages:
+  - role: system
+    content_file: ./sharedassets/common-dnd-system.md
+  - role: user
+    content_file: ./sharedassets/common-dnd-scene-combat-policy.md
+  - role: user
+    content_file: ./instructions.md
+  - role: user
+    content_file: ./proposed-kind.md
+    cache_control:
+      type: ephemeral
+  - role: user
+    content_file: ./sharedassets/common-dnd-transcript-chunk.md
+    cache_control:
+      type: ephemeral
+output:
+  format: json
+  validation_mode: json_schema
+  schema_path: dnd_scene_combat_semantics_llm.v1.json
+  repair_attempts: 1

assets/dnd/scene-descriptions/validate/combat-semantics/prompts/proposed-kind.md

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+The proposed scene kind is:
+
+{{ input "proposed_kind" }}

assets/dnd/scene-descriptions/validate/combat-semantics/schemas/dnd_scene_combat_semantics_llm.v1.json

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+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "notarius.dnd.scene_descriptions.combat_semantics.llm",
+  "type": "object",
+  "additionalProperties": false,
+  "required": ["verdict", "explanation"],
+  "properties": {
+    "verdict": {
+      "type": "string",
+      "enum": ["approved", "combat_should_be_added", "combat_should_be_removed"]
+    },
+    "explanation": {
+      "type": "string",
+      "minLength": 1,
+      "maxLength": 512
+    }
+  }
+}