feat: add len variable for tier conditions and LLM prompt helper

2026-04-25 13:24:20 +08:00
parent a7c38ec851
commit f2f3410dcf
15 changed files with 393 additions and 47 deletions
@@ -14,8 +14,9 @@ type RequestInput struct {
 // Fields beyond P and C are optional — when absent they default to 0,
 // which means cache-unaware expressions keep working unchanged.
 type TokenParams struct {
-	P    float64 // prompt tokens (text)
-	C    float64 // completion tokens (text)
+	P    float64 // prompt tokens (text) — auto-excludes sub-categories priced separately
+	C    float64 // completion tokens (text) — auto-excludes sub-categories priced separately
+	Len  float64 // total input context length for tier conditions (non-Claude: raw prompt_tokens; Claude: text + cache read + cache creation)
 	CR   float64 // cache read (hit) tokens
 	CC   float64 // cache creation tokens (5-min TTL for Claude, generic for others)
 	CC1h float64 // cache creation tokens — 1-hour TTL (Claude only)