✨ feat: implement search parameter updates (#7151)

* feat: implement search parameter updates

* Update url params when values change

reset params on new chat

move logic to families.ts

revert unchanged files

---------

Co-authored-by: Danny Avila <danny@librechat.ai>

client/src/utils/createChatSearchParams.ts

@@ -0,0 +1,93 @@
+import { isAgentsEndpoint, isAssistantsEndpoint, Constants } from 'librechat-data-provider';
+import type { TConversation, TPreset } from 'librechat-data-provider';
+
+export default function createChatSearchParams(
+  input: TConversation | TPreset | Record<string, string> | null,
+): URLSearchParams {
+  if (input == null) {
+    return new URLSearchParams();
+  }
+
+  const params = new URLSearchParams();
+
+  const allowedParams = [
+    'endpoint',
+    'model',
+    'temperature',
+    'presence_penalty',
+    'frequency_penalty',
+    'stop',
+    'top_p',
+    'max_tokens',
+    'topP',
+    'topK',
+    'maxOutputTokens',
+    'promptCache',
+    'region',
+    'maxTokens',
+    'agent_id',
+    'assistant_id',
+  ];
+
+  if (input && typeof input === 'object' && !('endpoint' in input) && !('model' in input)) {
+    Object.entries(input as Record<string, string>).forEach(([key, value]) => {
+      if (value != null && allowedParams.includes(key)) {
+        params.set(key, value);
+      }
+    });
+    return params;
+  }
+
+  const conversation = input as TConversation | TPreset;
+  const endpoint = conversation.endpoint;
+  if (conversation.spec) {
+    return new URLSearchParams({ spec: conversation.spec });
+  }
+  if (
+    isAgentsEndpoint(endpoint) &&
+    conversation.agent_id &&
+    conversation.agent_id !== Constants.EPHEMERAL_AGENT_ID
+  ) {
+    return new URLSearchParams({ agent_id: String(conversation.agent_id) });
+  } else if (isAssistantsEndpoint(endpoint) && conversation.assistant_id) {
+    return new URLSearchParams({ assistant_id: String(conversation.assistant_id) });
+  } else if (isAgentsEndpoint(endpoint) && !conversation.agent_id) {
+    return params;
+  } else if (isAssistantsEndpoint(endpoint) && !conversation.assistant_id) {
+    return params;
+  }
+
+  if (endpoint) {
+    params.set('endpoint', endpoint);
+  }
+  if (conversation.model) {
+    params.set('model', conversation.model);
+  }
+
+  const paramMap = {
+    temperature: conversation.temperature,
+    presence_penalty: conversation.presence_penalty,
+    frequency_penalty: conversation.frequency_penalty,
+    stop: conversation.stop,
+    top_p: conversation.top_p,
+    max_tokens: conversation.max_tokens,
+    topP: conversation.topP,
+    topK: conversation.topK,
+    maxOutputTokens: conversation.maxOutputTokens,
+    promptCache: conversation.promptCache,
+    region: conversation.region,
+    maxTokens: conversation.maxTokens,
+  };
+
+  return Object.entries(paramMap).reduce((params, [key, value]) => {
+    if (value != null) {
+      if (Array.isArray(value)) {
+        params.set(key, key === 'stop' ? value.join(',') : JSON.stringify(value));
+      } else {
+        params.set(key, String(value));
+      }
+    }
+
+    return params;
+  }, params);
+}