Fixes, readme

internal/proxy/handler.go

@@ -10,12 +10,10 @@ import (
 	"github.com/tidwall/gjson"
 
 	"github.com/fujin/anthropic-proxy/internal/auth"
-	"github.com/fujin/anthropic-proxy/internal/config"
 )
 
-func HandleMessages(pool *auth.Pool, profile *SniffedProfile, sanitizeCfg config.SanitizeConfig) gin.HandlerFunc {
+func HandleMessages(pool *auth.Pool, profile *SniffedProfile, getSanitizer func() *Sanitizer) gin.HandlerFunc {
 	upstream := NewUpstreamClient(profile)
-	san := NewSanitizer(sanitizeCfg)
 
 	return func(c *gin.Context) {
 		body, err := io.ReadAll(c.Request.Body)
@@ -26,6 +24,7 @@ func HandleMessages(pool *auth.Pool, profile *SniffedProfile, sanitizeCfg config
 
 		log.Printf("incoming: %s %s (%d bytes) model=%s", c.Request.Method, c.Request.URL.Path, len(body), gjson.GetBytes(body, "model").String())
 
+		san := getSanitizer()
 		body = san.SanitizeRequest(body)
 
 		cred, err := pool.Pick()