Enable/Disable reasoning summary using .env (#1760)

* enable/disable reasoning summary using .env

* refactor: rename env variable and move readme section to reasoning part.

---------

Co-authored-by: Nathan Sarrazin <sarrazin.nathan@gmail.com>

.env

@@ -57,6 +57,8 @@ TEXT_EMBEDDING_MODELS = `[
   }
 ]`
 
+
+REASONING_SUMMARY=true # Change this to false to disable reasoning summary
 ## Removed models, useful for migrating conversations
 # { name: string, displayName?: string, id?: string, transferTo?: string }`
 OLD_MODELS=`[]`

README.md

@@ -991,6 +991,14 @@ In some cases, the final answer can be extracted from the model output using a r
 }
 ```
 
+#### Enabling/Disabling Reasoning Summary
+
+You can toggle the summaries that are displayed alongside the CoT by changing the `REASONING_SUMMARY` env variable.
+
+```env
+REASONING_SUMMARY=false
+```
+
 ## Common issues
 
 ### 403：You don't have access to this conversation

src/lib/server/textGeneration/generate.ts

@@ -1,3 +1,4 @@
+import { env } from "$env/dynamic/private";
 import type { ToolResult, Tool } from "$lib/types/Tool";
 import {
 	MessageReasoningUpdateType,
@@ -169,7 +170,10 @@ Do not use prefixes such as Response: or Answer: when answering to the user.`,
 			}
 
 			// create a new status every 5 seconds
-			if (new Date().getTime() - lastReasoningUpdate.getTime() > 4000) {
+			if (
+				env.REASONING_SUMMARY === "true" &&
+				new Date().getTime() - lastReasoningUpdate.getTime() > 4000
+			) {
 				lastReasoningUpdate = new Date();
 				try {
 					generateSummaryOfReasoning(reasoningBuffer).then((summary) => {