Files
CLIProxyAPI/internal/util/thinking.go
2025-12-11 12:36:54 +08:00

108 lines
3.0 KiB
Go

package util
import (
"strings"
"github.com/router-for-me/CLIProxyAPI/v6/internal/registry"
)
// ModelSupportsThinking reports whether the given model has Thinking capability
// according to the model registry metadata (provider-agnostic).
func ModelSupportsThinking(model string) bool {
if model == "" {
return false
}
if info := registry.GetGlobalRegistry().GetModelInfo(model); info != nil {
return info.Thinking != nil
}
return false
}
// NormalizeThinkingBudget clamps the requested thinking budget to the
// supported range for the specified model using registry metadata only.
// If the model is unknown or has no Thinking metadata, returns the original budget.
// For dynamic (-1), returns -1 if DynamicAllowed; otherwise approximates mid-range
// or min (0 if zero is allowed and mid <= 0).
func NormalizeThinkingBudget(model string, budget int) int {
if budget == -1 { // dynamic
if found, min, max, zeroAllowed, dynamicAllowed := thinkingRangeFromRegistry(model); found {
if dynamicAllowed {
return -1
}
mid := (min + max) / 2
if mid <= 0 && zeroAllowed {
return 0
}
if mid <= 0 {
return min
}
return mid
}
return -1
}
if found, min, max, zeroAllowed, _ := thinkingRangeFromRegistry(model); found {
if budget == 0 {
if zeroAllowed {
return 0
}
return min
}
if budget < min {
return min
}
if budget > max {
return max
}
return budget
}
return budget
}
// thinkingRangeFromRegistry attempts to read thinking ranges from the model registry.
func thinkingRangeFromRegistry(model string) (found bool, min int, max int, zeroAllowed bool, dynamicAllowed bool) {
if model == "" {
return false, 0, 0, false, false
}
info := registry.GetGlobalRegistry().GetModelInfo(model)
if info == nil || info.Thinking == nil {
return false, 0, 0, false, false
}
return true, info.Thinking.Min, info.Thinking.Max, info.Thinking.ZeroAllowed, info.Thinking.DynamicAllowed
}
// GetModelThinkingLevels returns the discrete reasoning effort levels for the model.
// Returns nil if the model has no thinking support or no levels defined.
func GetModelThinkingLevels(model string) []string {
if model == "" {
return nil
}
info := registry.GetGlobalRegistry().GetModelInfo(model)
if info == nil || info.Thinking == nil {
return nil
}
return info.Thinking.Levels
}
// ModelUsesThinkingLevels reports whether the model uses discrete reasoning
// effort levels instead of numeric budgets.
func ModelUsesThinkingLevels(model string) bool {
levels := GetModelThinkingLevels(model)
return len(levels) > 0
}
// NormalizeReasoningEffortLevel validates and normalizes a reasoning effort
// level for the given model. Returns false when the level is not supported.
func NormalizeReasoningEffortLevel(model, effort string) (string, bool) {
levels := GetModelThinkingLevels(model)
if len(levels) == 0 {
return "", false
}
loweredEffort := strings.ToLower(strings.TrimSpace(effort))
for _, lvl := range levels {
if strings.ToLower(lvl) == loweredEffort {
return lvl, true
}
}
return "", false
}