Merge verified Odysseus fixes

tests/test_model_name_tooltip.py

@@ -24,3 +24,21 @@ def test_header_indicator_has_title_tooltip():
     body = SRC[SRC.index("export function updateModelPicker()"):]
     assert re.search(r"label\.title\s*=\s*modelId\b", body), \
         "header model indicator needs a title tooltip (#1982)"
+
+
+def test_api_picker_dedupe_includes_endpoint_id():
+    # API providers can expose the same model id intentionally. The chat picker
+    # must not dedupe OpenRouter away just because OpenAI has the same id.
+    assert "const isApiEndpoint = item.category && item.category !== 'local';" in SRC
+    assert re.search(r"const seenKey = isApiEndpoint\s*\?", SRC), \
+        "chat picker should dedupe API models by endpoint+model, not model id only"
+    assert "${item.endpoint_id || item.url || item.endpoint_name || 'api'}::${mid}" in SRC
+
+
+def test_api_picker_groups_by_endpoint_name():
+    # OpenRouter models often have ids like openai/* or google/*; browse mode
+    # should still show them under the OpenRouter endpoint group.
+    assert "function _providerGroupKey(m)" in SRC
+    assert "m.category && m.category !== 'local' && m.epName" in SRC
+    assert "`~endpoint:${m.epName}`" in SRC
+    assert "_providerGroupName(provider)" in SRC