changelog + docs

Author: brendan-kellam

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 - Added multi-branch indexing support for Gerrit. [#433](https://github.com/sourcebot-dev/sourcebot/pull/433)
+- [ask sb] Added `reasoningEffort` option to OpenAI provider. [#446](https://github.com/sourcebot-dev/sourcebot/pull/446)
 
 ### Fixed
 - Removed prefix from structured log output. [#443](https://github.com/sourcebot-dev/sourcebot/pull/443)

docs/docs/configuration/language-model-providers.mdx

@@ -248,7 +248,8 @@ For a detailed description of all the providers, please refer to the [schema](ht
             "token": {
                 "env": "OPENAI_API_KEY"
             },
-            "baseUrl": "OPTIONAL_BASE_URL"
+            "baseUrl": "OPTIONAL_BASE_URL",
+            "reasoningEffort": "OPTIONAL_REASONING_EFFORT" // defaults to "medium"
         }
     ] 
 }