Add AI timeout tests

tests/test_ai_client.py

@@ -1,4 +1,7 @@
-from ai_typewriter.ai_client import ask_ai
+import pytest
+import requests
+
+from ai_typewriter.ai_client import AIClientError, ask_ai
 from ai_typewriter.config import AppConfig
 
 
@@ -27,6 +30,19 @@ def test_ollama_payload_contains_strict_system_prompt(monkeypatch):
     assert "Uniquement la réponse brute" in seen["json"]["messages"][0]["content"]
 
 
+def test_ollama_timeout_message_suggests_config_change(monkeypatch):
+    def fake_post(url, json, timeout, **kwargs):
+        raise requests.Timeout("too slow")
+    monkeypatch.setattr("ai_typewriter.ai_client.requests.post", fake_post)
+
+    with pytest.raises(AIClientError) as exc:
+        ask_ai("texte", AppConfig(provider="ollama", model="m", request_timeout_seconds=300))
+
+    assert "300 s" in str(exc.value)
+    assert "request_timeout_seconds" in str(exc.value)
+    assert "0 pour désactiver" in str(exc.value)
+
+
 def test_gemini_payload(monkeypatch):
     seen = {}
     def fake_post(url, params, json, timeout):