feat: cache Ollama + parallélisation ThreadPool + filtrage DAS renforcé + modules GHM/CPAM/export RUM

- Cache persistant JSON thread-safe pour les résultats Ollama (invalidation par modèle)
- Parallélisation des appels Ollama (ThreadPoolExecutor, 2 workers)
- 6 nouvelles règles de filtrage DAS parasites (doublons, ponctuation, OCR, labo, fragments)
- Client Ollama centralisé (mode JSON natif + retry)
- Module GHM (estimation CMD/sévérité)
- Module contrôle CPAM (parser + contre-argumentation RAG)
- Export RUM (format RSS)
- Viewer enrichi (détail dossier)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tests/test_cpam_response.py

@@ -0,0 +1,146 @@
+"""Tests pour la génération de contre-argumentation CPAM."""
+
+from unittest.mock import patch
+
+import pytest
+
+from src.config import ControleCPAM, Diagnostic, DossierMedical, RAGSource, Sejour
+from src.control.cpam_response import _build_cpam_prompt, _format_response, generate_cpam_response
+
+
+def _make_dossier() -> DossierMedical:
+    """Crée un dossier médical de test."""
+    return DossierMedical(
+        source_file="test.pdf",
+        document_type="crh",
+        sejour=Sejour(sexe="M", age=65, duree_sejour=5),
+        diagnostic_principal=Diagnostic(
+            texte="Cholécystite aiguë",
+            cim10_suggestion="K81.0",
+        ),
+        diagnostics_associes=[
+            Diagnostic(texte="Iléus réflexe", cim10_suggestion="K56.0"),
+        ],
+    )
+
+
+def _make_controle() -> ControleCPAM:
+    """Crée un contrôle CPAM de test."""
+    return ControleCPAM(
+        numero_ogc=17,
+        titre="Désaccord sur les DAS",
+        arg_ucr="L'UCR confirme l'avis des médecins contrôleurs au motif que le DAS K56.0 n'est pas justifié.",
+        decision_ucr="UCR confirme avis médecins contrôleurs",
+        dp_ucr=None,
+        da_ucr="K56.0",
+    )
+
+
+class TestBuildPrompt:
+    def test_prompt_contains_dossier_info(self):
+        dossier = _make_dossier()
+        controle = _make_controle()
+        prompt = _build_cpam_prompt(dossier, controle, [])
+
+        assert "Cholécystite aiguë" in prompt
+        assert "K81.0" in prompt
+        assert "Iléus réflexe" in prompt
+        assert "65 ans" in prompt
+
+    def test_prompt_contains_cpam_argument(self):
+        dossier = _make_dossier()
+        controle = _make_controle()
+        prompt = _build_cpam_prompt(dossier, controle, [])
+
+        assert controle.arg_ucr in prompt
+        assert controle.decision_ucr in prompt
+
+    def test_prompt_contains_codes_contestes(self):
+        dossier = _make_dossier()
+        controle = _make_controle()
+        prompt = _build_cpam_prompt(dossier, controle, [])
+
+        assert "DA proposés par UCR : K56.0" in prompt
+
+    def test_prompt_contains_rag_sources(self):
+        dossier = _make_dossier()
+        controle = _make_controle()
+        sources = [
+            {"document": "guide_methodo", "page": 64, "extrait": "Texte du guide..."},
+            {"document": "cim10", "code": "K56.0", "extrait": "Iléus paralytique..."},
+        ]
+        prompt = _build_cpam_prompt(dossier, controle, sources)
+
+        assert "Guide Méthodologique MCO 2026" in prompt
+        assert "CIM-10 FR 2026" in prompt
+        assert "page 64" in prompt
+
+
+class TestFormatResponse:
+    def test_full_response(self):
+        parsed = {
+            "analyse_contestation": "La CPAM conteste le DAS K56.0",
+            "points_accord": "Aucun",
+            "contre_arguments": "Le guide méthodologique précise...",
+            "references": "Guide métho p.64",
+            "conclusion": "Le DAS est justifié",
+        }
+        text = _format_response(parsed)
+
+        assert "ANALYSE DE LA CONTESTATION" in text
+        assert "CONTRE-ARGUMENTS" in text
+        assert "CONCLUSION" in text
+        # "Aucun" ne doit pas générer la section points d'accord
+        assert "POINTS D'ACCORD" not in text
+
+    def test_partial_response(self):
+        parsed = {
+            "contre_arguments": "Arguments...",
+            "conclusion": "Conclusion...",
+        }
+        text = _format_response(parsed)
+
+        assert "CONTRE-ARGUMENTS" in text
+        assert "CONCLUSION" in text
+
+    def test_empty_response(self):
+        text = _format_response({})
+        assert text == ""
+
+
+class TestGenerateResponse:
+    @patch("src.control.cpam_response.call_ollama")
+    @patch("src.control.cpam_response._search_rag_for_control")
+    def test_generate_success(self, mock_rag, mock_ollama):
+        mock_rag.return_value = [
+            {"document": "guide_methodo", "page": 64, "extrait": "Texte guide"},
+        ]
+        mock_ollama.return_value = {
+            "analyse_contestation": "Analyse...",
+            "contre_arguments": "Contre-arguments...",
+            "conclusion": "Conclusion...",
+        }
+
+        dossier = _make_dossier()
+        controle = _make_controle()
+
+        text, sources = generate_cpam_response(dossier, controle)
+
+        assert "Contre-arguments..." in text
+        assert len(sources) == 1
+        assert sources[0].document == "guide_methodo"
+        mock_ollama.assert_called_once()
+
+    @patch("src.control.cpam_response.call_ollama")
+    @patch("src.control.cpam_response._search_rag_for_control")
+    def test_generate_ollama_unavailable(self, mock_rag, mock_ollama):
+        mock_rag.return_value = []
+        mock_ollama.return_value = None
+
+        dossier = _make_dossier()
+        controle = _make_controle()
+
+        text, sources = generate_cpam_response(dossier, controle)
+
+        assert text == ""
+        assert sources == []