Opt-in quirk preserveCacheControl keeps cache_control on content blocks
for alicode/alicode-intl, enabling DashScope prompt caching. signature
is always stripped; all other providers unchanged.
Co-authored-by: Cursor <cursoragent@cursor.com>
Codex (openai-responses) body.input holds Responses items, not OpenAI
messages. Translate input -> OpenAI -> compress -> back to input so the
Responses contract is preserved. Fixes#1998
Co-authored-by: Cursor <cursoragent@cursor.com>
Forcing reasoning_effort:"medium" + reasoning_summary:"auto" on plain
requests tripped CodeBuddy's content filter and returned an error (#2071).
Make reasoning params opt-in: only set reasoning_summary when the client
sent an explicit reasoning_effort; none/off still drops it.
Fixes#2071
Co-authored-by: Cursor <cursoragent@cursor.com>
