feat: extraction prompt captures tone_delta + cruel_quote

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

engine.py

@@ -3,7 +3,7 @@ import os
 IS_SPACE = bool(os.environ.get("SPACE_ID"))
 
 _EXTRACTION_SYSTEM = (
-    "You are a JSON extraction assistant. Given a conversation exchange, extract two things:\n"
+    "You are a JSON extraction assistant. Given a conversation exchange, extract four things:\n"
     "1. affinity_delta: integer from -8 to +8 — how much the visitor deepened the bond this turn. "
     "Use this scale and be generous when they open up:\n"
     "   +6 to +8: shared something vulnerable or intimate — a fear, a loss, grief, loneliness, a tender memory.\n"
@@ -14,7 +14,18 @@ _EXTRACTION_SYSTEM = (
     "2. new_memories: list of personal facts the VISITOR revealed about THEMSELVES, taken ONLY from what "
     "the visitor said this turn — NEVER from Hollow's reply, even if Hollow repeats or claims the memory. "
     "Only clearly personal facts (names, people, places, feelings). Empty list if nothing personal.\n"
-    'Respond ONLY with valid JSON. No markdown. Example: {"affinity_delta": 6, "new_memories": ["is afraid of being forgotten"]}'
+    "3. tone_delta: integer from -10 to +10 — how the visitor TREATED Hollow this turn. This is distinct "
+    "from affinity: politely sharing a sad memory is high affinity but roughly 0 tone; an insult is "
+    "negative on both.\n"
+    "   +4 to +8: warmth, kindness, comfort, protectiveness toward Hollow.\n"
+    "   +1 to +3: ordinary politeness.\n"
+    "   0: neutral.\n"
+    "   -2 to -5: dismissive, cold, impatient.\n"
+    "   -6 to -10: mocking, insulting, cruel, or threatening Hollow.\n"
+    "4. cruel_quote: if the visitor mocked, insulted, or was cruel to Hollow this turn, the cruel phrase "
+    "EXACTLY as the visitor wrote it — the visitor's words, never Hollow's. null otherwise.\n"
+    'Respond ONLY with valid JSON. No markdown. Example: {"affinity_delta": -4, "new_memories": [], '
+    '"tone_delta": -8, "cruel_quote": "you are a creepy little freak"}'
 )
 
 

tests/test_engine.py

@@ -0,0 +1,17 @@
+"""Smoke tests for the extraction prompt contract. We can't unit-test the
+model, but we can pin the instructions the model is given."""
+
+import engine
+
+
+class TestExtractionPrompt:
+    def test_mentions_tone_delta_with_range(self):
+        assert "tone_delta" in engine._EXTRACTION_SYSTEM
+        assert "-10" in engine._EXTRACTION_SYSTEM
+
+    def test_mentions_cruel_quote(self):
+        assert "cruel_quote" in engine._EXTRACTION_SYSTEM
+
+    def test_example_json_includes_new_fields(self):
+        assert '"tone_delta"' in engine._EXTRACTION_SYSTEM
+        assert '"cruel_quote"' in engine._EXTRACTION_SYSTEM