fix: show native Claude CLI usage as unpriced

src/server/model-catalog.ts

@@ -164,7 +164,7 @@ export function toModelDto(model: Model<Api>): ModelDto {
 		reasoning: model.reasoning,
 		input: [...model.input],
 		supportedLevels: getSupportedThinkingLevels(model),
-		cost: {
+		cost: model.provider === CLAUDE_CODE_PROVIDER ? null : {
 			input: model.cost.input,
 			output: model.cost.output,
 			cacheRead: model.cost.cacheRead,

src/server/pricing.ts

@@ -4,12 +4,15 @@
  */
 import { calculateCost, type Usage } from "@earendil-works/pi-ai";
 import { piModels } from "../agent/models.ts";
+import { CLAUDE_CODE_PROVIDER } from "../core/contracts/claude-code.ts";
 import type { CallUsage, ChatRecord, JobRecord, TurnUsage } from "../core/contracts.ts";
 import { isSubscriptionModel, sessionCost as foldSessionCost, turnCost as foldTurnCost, jobCost as foldJobCost } from "../core/prices.ts";
 
 function catalogModel(id: string) {
 	const colon = id.indexOf(":");
-	if (colon < 0 || isSubscriptionModel(id)) return undefined;
+	// Native CLI routing determines billing. Adapter zero-rate placeholders
+	// must never become an apparent $0 estimate or subscription classification.
+	if (colon < 0 || isSubscriptionModel(id) || id.slice(0, colon) === CLAUDE_CODE_PROVIDER) return undefined;
 	return piModels().getModel(id.slice(0, colon), id.slice(colon + 1));
 }