feat: add Show Debug Thoughts option for LM Studio provider

packages/types/src/provider-settings.ts

@@ -276,6 +276,7 @@ const lmStudioSchema = baseProviderSettingsSchema.extend({
 	lmStudioBaseUrl: z.string().optional(),
 	lmStudioDraftModelId: z.string().optional(),
 	lmStudioSpeculativeDecodingEnabled: z.boolean().optional(),
+	lmStudioShowDebugThoughts: z.boolean().optional(),
 })
 
 const geminiSchema = apiModelIdProviderModelSchema.extend({

src/api/providers/lm-studio.ts

@@ -118,6 +118,21 @@ export class LmStudioHandler extends BaseProvider implements SingleCompletionHan
 						yield processedChunk
 					}
 				}
+
+				// This is a hack to show the debug reasoning in the UI.
+				if (
+					this.options.lmStudioShowDebugThoughts === true &&
+					"reasoning" in delta &&
+					delta.reasoning &&
+					typeof delta.reasoning === "string"
+				) {
+					const reasoning = delta.reasoning
+					assistantText += reasoning
+					yield {
+						type: "reasoning",
+						text: reasoning,
+					}
+				}
 			}
 
 			for (const processedChunk of matcher.final()) {

webview-ui/src/components/settings/providers/LMStudio.tsx

@@ -207,6 +207,16 @@ export const LMStudio = ({ apiConfiguration, setApiConfigurationField }: LMStudi
 					)}
 				</>
 			)}
+			<Checkbox
+				checked={apiConfiguration?.lmStudioShowDebugThoughts === true}
+				onChange={(checked) => {
+					setApiConfigurationField("lmStudioShowDebugThoughts", checked)
+				}}>
+				{t("settings:providers.lmStudio.showDebugThoughts")}
+			</Checkbox>
+			<div className="text-sm text-vscode-descriptionForeground mb-2">
+				{t("settings:providers.lmStudio.showDebugThoughtsDesc")}
+			</div>
 			<div className="text-sm text-vscode-descriptionForeground">
 				<Trans
 					i18nKey="settings:providers.lmStudio.description"

webview-ui/src/i18n/locales/en/settings.json

@@ -372,6 +372,8 @@
 			"draftModelDesc": "Draft model must be from the same model family for speculative decoding to work correctly.",
 			"selectDraftModel": "Select Draft Model",
 			"noModelsFound": "No draft models found. Please ensure LM Studio is running with Server Mode enabled.",
+			"showDebugThoughts": "Show Debug Thoughts",
+			"showDebugThoughtsDesc": "Display debug reasoning output from models that support it. Note: this is different from standard <think> tags which are always processed.",
 			"description": "LM Studio allows you to run models locally on your computer. For instructions on how to get started, see their <a>quickstart guide</a>. You will also need to start LM Studio's <b>local server</b> feature to use it with this extension. <span>Note:</span> Roo Code uses complex prompts and works best with Claude models. Less capable models may not work as expected."
 		},
 		"ollama": {