🧠 fix(Cohere): map to expected SDK params (#2329)

api/app/clients/llm/createCoherePayload.js

@@ -69,13 +69,13 @@ function createCoherePayload({ modelOptions }) {
   return {
     message: latestUserMessageContent,
     model: model,
-    chat_history: chatHistory,
+    chatHistory,
     stream: stream ?? false,
     temperature: temperature,
-    frequency_penalty: frequency_penalty,
-    presence_penalty: presence_penalty,
-    max_tokens: max_tokens,
-    stop_sequences: stop,
+    frequencyPenalty: frequency_penalty,
+    presencePenalty: presence_penalty,
+    maxTokens: max_tokens,
+    stopSequences: stop,
     preamble,
     p: top_p,
     ...rest,

docs/install/configuration/ai_endpoints.md

@@ -23,13 +23,13 @@ Some of the endpoints are marked as **Known,** which means they might have speci
 - Experimental: does not follow OpenAI-spec, uses a new method for endpoint compatibility, shares some similarities and parameters.
 - For a full list of Cohere-specific parameters, see the [Cohere API documentation](https://docs.cohere.com/reference/chat).
 - Note: The following parameters are recognized between OpenAI and Cohere. Most are removed in the example config below to prefer Cohere's default settings:
-    - `stop`: mapped to `stop_sequences`
+    - `stop`: mapped to `stopSequences`
     - `top_p`: mapped to `p`, different min/max values
-    - `frequency_penalty`: different min/max values
-    - `presence_penalty`: different min/max values
+    - `frequency_penalty`: mapped to `frequencyPenalty`, different min/max values
+    - `presence_penalty`: mapped to `presencePenalty`, different min/max values
     - `model`: shared, included by default.
     - `stream`: shared, included by default.
-    - `max_tokens`: shared, not included by default.
+    - `max_tokens`: shared, mapped to `maxTokens`, not included by default.
 
 
 ```yaml