refactor(thinking): remove support for non-standard thinking configurations

This change removes the translation logic for several non-standard, proprietary extensions used to configure thinking/reasoning. Specifically, support for `extra_body.google.thinking_config` and the Anthropic-style `thinking` object has been dropped from the OpenAI request translators.

This simplification streamlines the translators, focusing them on the standard `reasoning_effort` parameter. It also removes the need to look up model information from the registry within these components.

BREAKING CHANGE: Support for non-standard thinking configurations via `extra_body.google.thinking_config` and the Anthropic-style `thinking` object has been removed. Clients should now use the standard `reasoning_effort` parameter to control reasoning.

internal/translator/antigravity/openai/chat-completions/antigravity_openai_request.go

@@ -8,7 +8,6 @@ import (
 	"strings"
 
 	"github.com/router-for-me/CLIProxyAPI/v6/internal/misc"
-	"github.com/router-for-me/CLIProxyAPI/v6/internal/registry"
 	"github.com/router-for-me/CLIProxyAPI/v6/internal/translator/gemini/common"
 	"github.com/router-for-me/CLIProxyAPI/v6/internal/util"
 	log "github.com/sirupsen/logrus"
@@ -38,7 +37,6 @@ func ConvertOpenAIRequestToAntigravity(modelName string, inputRawJSON []byte, _
 
 	// Apply thinking configuration: convert OpenAI reasoning_effort to Gemini CLI thinkingConfig.
 	// Inline translation-only mapping; capability checks happen later in ApplyThinking.
-	modelInfo := registry.LookupModelInfo(modelName)
 	re := gjson.GetBytes(rawJSON, "reasoning_effort")
 	if re.Exists() {
 		effort := strings.ToLower(strings.TrimSpace(re.String()))
@@ -54,47 +52,6 @@ func ConvertOpenAIRequestToAntigravity(modelName string, inputRawJSON []byte, _
 		}
 	}
 
-	// Cherry Studio extension extra_body.google.thinking_config (effective only when official fields are absent)
-	// Only apply for models that use numeric budgets, not discrete levels.
-	if !re.Exists() && modelInfo != nil && modelInfo.Thinking != nil && len(modelInfo.Thinking.Levels) == 0 {
-		if tc := gjson.GetBytes(rawJSON, "extra_body.google.thinking_config"); tc.Exists() && tc.IsObject() {
-			var setBudget bool
-			var budget int
-
-			if v := tc.Get("thinkingBudget"); v.Exists() {
-				budget = int(v.Int())
-				out, _ = sjson.SetBytes(out, "request.generationConfig.thinkingConfig.thinkingBudget", budget)
-				setBudget = true
-			} else if v := tc.Get("thinking_budget"); v.Exists() {
-				budget = int(v.Int())
-				out, _ = sjson.SetBytes(out, "request.generationConfig.thinkingBudget.thinkingBudget", budget)
-				setBudget = true
-			}
-
-			if v := tc.Get("includeThoughts"); v.Exists() {
-				out, _ = sjson.SetBytes(out, "request.generationConfig.thinkingConfig.include_thoughts", v.Bool())
-			} else if v := tc.Get("include_thoughts"); v.Exists() {
-				out, _ = sjson.SetBytes(out, "request.generationConfig.thinkingConfig.include_thoughts", v.Bool())
-			} else if setBudget && budget != 0 {
-				out, _ = sjson.SetBytes(out, "request.generationConfig.thinkingConfig.include_thoughts", true)
-			}
-		}
-	}
-
-	// Claude/Anthropic API format: thinking.type == "enabled" with budget_tokens
-	// This allows Claude Code and other Claude API clients to pass thinking configuration
-	if !gjson.GetBytes(out, "request.generationConfig.thinkingConfig").Exists() && modelInfo != nil && modelInfo.Thinking != nil {
-		if t := gjson.GetBytes(rawJSON, "thinking"); t.Exists() && t.IsObject() {
-			if t.Get("type").String() == "enabled" {
-				if b := t.Get("budget_tokens"); b.Exists() && b.Type == gjson.Number {
-					budget := int(b.Int())
-					out, _ = sjson.SetBytes(out, "request.generationConfig.thinkingConfig.thinkingBudget", budget)
-					out, _ = sjson.SetBytes(out, "request.generationConfig.thinkingConfig.include_thoughts", true)
-				}
-			}
-		}
-	}
-
 	// Temperature/top_p/top_k/max_tokens
 	if tr := gjson.GetBytes(rawJSON, "temperature"); tr.Exists() && tr.Type == gjson.Number {
 		out, _ = sjson.SetBytes(out, "request.generationConfig.temperature", tr.Num)

internal/translator/gemini-cli/openai/chat-completions/gemini-cli_openai_request.go

@@ -8,7 +8,6 @@ import (
 	"strings"
 
 	"github.com/router-for-me/CLIProxyAPI/v6/internal/misc"
-	"github.com/router-for-me/CLIProxyAPI/v6/internal/registry"
 	"github.com/router-for-me/CLIProxyAPI/v6/internal/translator/gemini/common"
 	"github.com/router-for-me/CLIProxyAPI/v6/internal/util"
 	log "github.com/sirupsen/logrus"
@@ -39,7 +38,6 @@ func ConvertOpenAIRequestToGeminiCLI(modelName string, inputRawJSON []byte, _ bo
 	// Apply thinking configuration: convert OpenAI reasoning_effort to Gemini CLI thinkingConfig.
 	// Inline translation-only mapping; capability checks happen later in ApplyThinking.
 	re := gjson.GetBytes(rawJSON, "reasoning_effort")
-	modelInfo := registry.LookupModelInfo(modelName)
 	if re.Exists() {
 		effort := strings.ToLower(strings.TrimSpace(re.String()))
 		if effort != "" {
@@ -54,33 +52,6 @@ func ConvertOpenAIRequestToGeminiCLI(modelName string, inputRawJSON []byte, _ bo
 		}
 	}
 
-	// Cherry Studio extension extra_body.google.thinking_config (effective only when official fields are absent)
-	// Only apply for models that use numeric budgets, not discrete levels.
-	if !re.Exists() && modelInfo != nil && modelInfo.Thinking != nil && len(modelInfo.Thinking.Levels) == 0 {
-		if tc := gjson.GetBytes(rawJSON, "extra_body.google.thinking_config"); tc.Exists() && tc.IsObject() {
-			var setBudget bool
-			var budget int
-
-			if v := tc.Get("thinkingBudget"); v.Exists() {
-				budget = int(v.Int())
-				out, _ = sjson.SetBytes(out, "request.generationConfig.thinkingConfig.thinkingBudget", budget)
-				setBudget = true
-			} else if v := tc.Get("thinking_budget"); v.Exists() {
-				budget = int(v.Int())
-				out, _ = sjson.SetBytes(out, "request.generationConfig.thinkingConfig.thinkingBudget", budget)
-				setBudget = true
-			}
-
-			if v := tc.Get("includeThoughts"); v.Exists() {
-				out, _ = sjson.SetBytes(out, "request.generationConfig.thinkingConfig.include_thoughts", v.Bool())
-			} else if v := tc.Get("include_thoughts"); v.Exists() {
-				out, _ = sjson.SetBytes(out, "request.generationConfig.thinkingConfig.include_thoughts", v.Bool())
-			} else if setBudget && budget != 0 {
-				out, _ = sjson.SetBytes(out, "request.generationConfig.thinkingConfig.include_thoughts", true)
-			}
-		}
-	}
-
 	// Temperature/top_p/top_k
 	if tr := gjson.GetBytes(rawJSON, "temperature"); tr.Exists() && tr.Type == gjson.Number {
 		out, _ = sjson.SetBytes(out, "request.generationConfig.temperature", tr.Num)

internal/translator/gemini/openai/chat-completions/gemini_openai_request.go

@@ -8,7 +8,6 @@ import (
 	"strings"
 
 	"github.com/router-for-me/CLIProxyAPI/v6/internal/misc"
-	"github.com/router-for-me/CLIProxyAPI/v6/internal/registry"
 	"github.com/router-for-me/CLIProxyAPI/v6/internal/translator/gemini/common"
 	"github.com/router-for-me/CLIProxyAPI/v6/internal/util"
 	log "github.com/sirupsen/logrus"
@@ -38,7 +37,6 @@ func ConvertOpenAIRequestToGemini(modelName string, inputRawJSON []byte, _ bool)
 
 	// Apply thinking configuration: convert OpenAI reasoning_effort to Gemini thinkingConfig.
 	// Inline translation-only mapping; capability checks happen later in ApplyThinking.
-	modelInfo := registry.LookupModelInfo(modelName)
 	re := gjson.GetBytes(rawJSON, "reasoning_effort")
 	if re.Exists() {
 		effort := strings.ToLower(strings.TrimSpace(re.String()))
@@ -54,33 +52,6 @@ func ConvertOpenAIRequestToGemini(modelName string, inputRawJSON []byte, _ bool)
 		}
 	}
 
-	// Cherry Studio extension extra_body.google.thinking_config (effective only when official fields are absent)
-	// Only apply for models that use numeric budgets, not discrete levels.
-	if !re.Exists() && modelInfo != nil && modelInfo.Thinking != nil && len(modelInfo.Thinking.Levels) == 0 {
-		if tc := gjson.GetBytes(rawJSON, "extra_body.google.thinking_config"); tc.Exists() && tc.IsObject() {
-			var setBudget bool
-			var budget int
-
-			if v := tc.Get("thinkingBudget"); v.Exists() {
-				budget = int(v.Int())
-				out, _ = sjson.SetBytes(out, "generationConfig.thinkingConfig.thinkingBudget", budget)
-				setBudget = true
-			} else if v := tc.Get("thinking_budget"); v.Exists() {
-				budget = int(v.Int())
-				out, _ = sjson.SetBytes(out, "generationConfig.thinkingConfig.thinkingBudget", budget)
-				setBudget = true
-			}
-
-			if v := tc.Get("includeThoughts"); v.Exists() {
-				out, _ = sjson.SetBytes(out, "generationConfig.thinkingConfig.include_thoughts", v.Bool())
-			} else if v := tc.Get("include_thoughts"); v.Exists() {
-				out, _ = sjson.SetBytes(out, "generationConfig.thinkingConfig.include_thoughts", v.Bool())
-			} else if setBudget && budget != 0 {
-				out, _ = sjson.SetBytes(out, "generationConfig.thinkingConfig.include_thoughts", true)
-			}
-		}
-	}
-
 	// Temperature/top_p/top_k
 	if tr := gjson.GetBytes(rawJSON, "temperature"); tr.Exists() && tr.Type == gjson.Number {
 		out, _ = sjson.SetBytes(out, "generationConfig.temperature", tr.Num)

internal/translator/gemini/openai/responses/gemini_openai-responses_request.go

@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"strings"
 
-	"github.com/router-for-me/CLIProxyAPI/v6/internal/registry"
 	"github.com/router-for-me/CLIProxyAPI/v6/internal/translator/gemini/common"
 	"github.com/tidwall/gjson"
 	"github.com/tidwall/sjson"
@@ -390,7 +389,6 @@ func ConvertOpenAIResponsesRequestToGemini(modelName string, inputRawJSON []byte
 
 	// Apply thinking configuration: convert OpenAI Responses API reasoning.effort to Gemini thinkingConfig.
 	// Inline translation-only mapping; capability checks happen later in ApplyThinking.
-	modelInfo := registry.LookupModelInfo(modelName)
 	re := root.Get("reasoning.effort")
 	if re.Exists() {
 		effort := strings.ToLower(strings.TrimSpace(re.String()))
@@ -406,27 +404,6 @@ func ConvertOpenAIResponsesRequestToGemini(modelName string, inputRawJSON []byte
 		}
 	}
 
-	// Cherry Studio extension (applies only when official fields are missing)
-	// Only apply for models that use numeric budgets, not discrete levels.
-	if !re.Exists() && modelInfo != nil && modelInfo.Thinking != nil && len(modelInfo.Thinking.Levels) == 0 {
-		if tc := root.Get("extra_body.google.thinking_config"); tc.Exists() && tc.IsObject() {
-			var setBudget bool
-			var budget int
-			if v := tc.Get("thinking_budget"); v.Exists() {
-				budget = int(v.Int())
-				out, _ = sjson.Set(out, "generationConfig.thinkingConfig.thinkingBudget", budget)
-				setBudget = true
-			}
-			if v := tc.Get("include_thoughts"); v.Exists() {
-				out, _ = sjson.Set(out, "generationConfig.thinkingConfig.include_thoughts", v.Bool())
-			} else if setBudget {
-				if budget != 0 {
-					out, _ = sjson.Set(out, "generationConfig.thinkingConfig.include_thoughts", true)
-				}
-			}
-		}
-	}
-
 	result := []byte(out)
 	result = common.AttachDefaultSafetySettings(result, "safetySettings")
 	return result