Improve semantic classification precision for BUG-015

tests/test_extraction_protocol.py

@@ -101,17 +101,20 @@ Final answer:
         prompt = build_prompt("transcript.txt", "Anna: Agreed.")
 
         self.assertIn("Du extrahierst Informationen aus Meeting-Transkripten.", prompt)
-        self.assertIn("You extract decisions from meeting transcript text.", prompt)
-        self.assertIn("Extract each decision as one atomic commitment.", prompt)
+        self.assertIn("Classification contract for Decisions", prompt)
+        self.assertIn("A Decision requires evidence", prompt)
         self.assertIn("Anna: Agreed.", prompt)
 
     def test_build_prompt_includes_todo_prompt_file(self) -> None:
         prompt = build_prompt("transcript.txt", "Nina: I will update it.")
 
-        self.assertEqual(EXTRACTION_TASK_PROMPT_NAMES, ("decisions.md", "todos.md"))
-        self.assertIn("Action-item responsibility rule:", prompt)
+        self.assertEqual(
+            EXTRACTION_TASK_PROMPT_NAMES,
+            ("classification.md",),
+        )
+        self.assertIn("Action Item:", prompt)
         self.assertIn(
-            "A named responsible person may be extracted only when the transcript contains",
+            "person may be named only when explicitly assigned",
             prompt,
         )
 
@@ -131,8 +134,9 @@ Final answer:
         )
 
         for prompt in (no_context_prompt, context_prompt):
-            self.assertIn("You extract decisions from meeting transcript text.", prompt)
-            self.assertIn("Action-item responsibility rule:", prompt)
+            self.assertIn("Classification contract for Decisions", prompt)
+            self.assertIn("Action Item:", prompt)
+            self.assertIn("Open Question:", prompt)
 
     def test_prompt_assembly_is_deterministic(self) -> None:
         first = build_prompt("transcript.txt", "Nina: I will update it.")
@@ -140,6 +144,20 @@ Final answer:
 
         self.assertEqual(first, second)
 
+    def test_classification_contracts_follow_transcript(self) -> None:
+        prompt = build_prompt("transcript.txt", "SOURCE_SENTINEL")
+
+        transcript_end = prompt.index("--- ENDE TRANSKRIPT ---")
+        self.assertGreater(prompt.index("Classification contract", transcript_end), transcript_end)
+        self.assertGreater(
+            prompt.index("Action Item:", transcript_end),
+            transcript_end,
+        )
+        self.assertGreater(
+            prompt.index("Open Question:", transcript_end),
+            transcript_end,
+        )
+
     def test_build_protocol_groups_extraction_items(self) -> None:
         with tempfile.TemporaryDirectory() as directory:
             input_dir = Path(directory)