feat: improve model name matching in Ollama plugin

- Add "conceptmap" to VSCode dictionary settings
- Rename `ollamaPrefixes` variable to `ollamaSearchStrings`
- Replace `HasPrefix` with `Contains` for model matching
- Enable substring matching for Ollama model names
- chore: incoming 1847 changelog entry

internal/plugins/ai/ollama/ollama.go

@@ -163,13 +163,13 @@ func (o *Client) createChatRequest(msgs []*chat.ChatCompletionMessage, opts *dom
 }
 
 func (o *Client) NeedsRawMode(modelName string) bool {
-	ollamaPrefixes := []string{
+	ollamaSearchStrings := []string{
 		"llama3",
 		"llama2",
 		"mistral",
 	}
-	for _, prefix := range ollamaPrefixes {
-		if strings.HasPrefix(modelName, prefix) {
+	for _, searchString := range ollamaSearchStrings {
+		if strings.Contains(modelName, searchString) {
 			return true
 		}
 	}