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-- OpenCode Go defaults for panto. No login, networking, or session activation.
local auth_defaults = {
type = "api_key",
key = "${env:OPENCODE_API_KEY}",
}
local provider_defaults = {
style = "openai_chat",
model_catalog_name = "opencode-go",
extra_headers = {
["User-Agent"] = "panto",
["x-opencode-session"] = "${session:id}",
},
}
local endpoint_defaults = {
openai_chat = { base_url = "https://opencode.ai/zen/go/v1" },
openai_responses = { base_url = "https://opencode.ai/zen/go/v1" },
anthropic_messages = { base_url = "https://opencode.ai/zen/go" },
}
-- Fill only missing values; HTTP header names are case-insensitive.
local function fill_missing(target, defaults, headers)
for key, value in pairs(defaults) do
local target_key = key
if headers then
for existing in pairs(target) do
if type(existing) == "string" and existing:lower() == key:lower() then
target_key = existing
break
end
end
end
if target[target_key] == nil then
target[target_key] = type(value) == "table" and {} or value
end
if type(value) == "table" and type(target[target_key]) == "table" then
fill_missing(target[target_key], value, key == "extra_headers")
end
end
end
return {
name = "opencode-go",
configure = function(config)
for _, auth in pairs(config.auth or {}) do
if type(auth) == "table" and auth.panto_opencode_go_extension == true then
fill_missing(auth, auth_defaults)
end
end
for _, provider in pairs(config.providers or {}) do
if type(provider) == "table" and provider.panto_opencode_go_extension == true then
fill_missing(provider, provider_defaults)
if provider.base_url == nil then
fill_missing(provider, { endpoints = endpoint_defaults })
end
end
end
end,
}
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