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backend/internal/runtime/executor/helps/thinking.go

@@ -0,0 +1,64 @@
+package helps
+
+import (
+	"strings"
+
+	"github.com/router-for-me/CLIProxyAPI/v7/internal/thinking"
+	sdktranslator "github.com/router-for-me/CLIProxyAPI/v7/sdk/translator"
+)
+
+// ApplyThinkingWithSourcePayload preserves summary visibility from the original
+// client payload while applying thinking configuration to its translated target
+// payload. currentSourcePayload is the payload that was translated, while
+// originalSourcePayload retains intent removed by an earlier interceptor.
+func ApplyThinkingWithSourcePayload(body, currentSourcePayload, originalSourcePayload []byte, model, fromFormat, toFormat, providerKey string) ([]byte, error) {
+	summary := translatedRequestSummaryConfig(body, currentSourcePayload, originalSourcePayload, model, fromFormat, toFormat)
+	return thinking.ApplyThinkingWithSummary(body, model, fromFormat, toFormat, providerKey, summary)
+}
+
+// translatedRequestSummaryConfig gives the translated target payload precedence
+// so a plugin request normalizer can remove or rewrite a canonical summary field.
+// The original source is consulted only when the payload that was translated no
+// longer carries the inbound intent, or when the target could not represent that
+// intent until model-aware thinking is applied later (notably Claude).
+func translatedRequestSummaryConfig(body, currentSourcePayload, originalSourcePayload []byte, model, fromFormat, toFormat string) thinking.SummaryConfig {
+	fromFormat = strings.ToLower(strings.TrimSpace(fromFormat))
+	toFormat = strings.ToLower(strings.TrimSpace(toFormat))
+
+	var targetSummary thinking.SummaryConfig
+	if fromFormat == toFormat {
+		targetSummary = thinking.ExtractSummaryConfig(body, toFormat)
+	} else {
+		targetSummary = thinking.ExtractExplicitSummaryConfig(body, toFormat)
+	}
+	if targetSummary.Mode != thinking.SummaryUnspecified {
+		return targetSummary
+	}
+
+	currentSummary := thinking.ExtractSummaryConfig(currentSourcePayload, fromFormat)
+	originalSummary := thinking.ExtractSummaryConfig(originalSourcePayload, fromFormat)
+	if currentSummary.Mode == thinking.SummaryUnspecified {
+		return originalSummary
+	}
+
+	from := sdktranslator.FromString(fromFormat)
+	to := sdktranslator.FromString(toFormat)
+	if !sdktranslator.HasRequestTransformer(from, to) {
+		// A missing translation must remain source-shaped. Same-format requests
+		// were handled by targetSummary above, including explicit native aliases.
+		return thinking.SummaryConfig{}
+	}
+
+	candidate := thinking.ApplySummaryConfigForModel(body, toFormat, model, currentSummary)
+	if thinking.ExtractExplicitSummaryConfig(candidate, toFormat).Mode != thinking.SummaryUnspecified {
+		// Registry translation applied this field before plugin normalization. If
+		// it is absent now but can be represented on the normalized body, the
+		// normalizer deliberately removed it and must remain authoritative.
+		return thinking.SummaryConfig{}
+	}
+
+	// Some intents cannot be represented until the final model-aware pass. For
+	// example, Claude display is invalid on disabled thinking, but a suffix can
+	// subsequently activate adaptive thinking. Preserve the source in that case.
+	return currentSummary
+}