Mise à jour avec la possibilité de mettre des images

brain/app/infrastructure/ollama_adapter.py

@@ -26,6 +26,20 @@ class OllamaLLMProvider:
         self._base_url = settings.ollama_base_url
         self._model = settings.llm_model
         self._timeout = settings.llm_timeout_seconds
+        self._num_ctx = settings.llm_num_ctx
+
+    def _build_options(self, temperature: float | None) -> dict[str, object]:
+        """Construit le dict `options` attendu par Ollama (hyperparamètres).
+
+        `num_ctx` est TOUJOURS envoyé — sinon Ollama retombe sur son défaut
+        2048 et tronque silencieusement les gros prompts (Structural Context
+        du Lore enrichi depuis b9). `temperature` n'est ajoutée que si
+        fournie par le use case (sinon Ollama utilise son défaut).
+        """
+        options: dict[str, object] = {"num_ctx": self._num_ctx}
+        if temperature is not None:
+            options["temperature"] = temperature
+        return options
 
     async def generate(
         self,
@@ -39,12 +53,10 @@ class OllamaLLMProvider:
             "model": self._model,
             "prompt": prompt,
             "stream": False,
+            "options": self._build_options(temperature),
         }
         if output_format is not None:
             payload["format"] = output_format
-        if temperature is not None:
-            # Ollama attend les hyperparamètres sous la clé "options".
-            payload["options"] = {"temperature": temperature}
 
         async with httpx.AsyncClient(timeout=self._timeout) as client:
             try:
@@ -87,9 +99,8 @@ class OllamaLLMProvider:
             "model": self._model,
             "messages": payload_messages,
             "stream": True,
+            "options": self._build_options(temperature),
         }
-        if temperature is not None:
-            payload["options"] = {"temperature": temperature}
 
         async with httpx.AsyncClient(timeout=self._timeout) as client:
             try: