Fix supportsPromptCache check

Author: cte

src/api/providers/fetchers/__tests__/fixtures/openrouter-models.json

@@ -11,11 +11,11 @@
 		"rawHeaders": {
 			"access-control-allow-origin": "*",
 			"cdn-cache-control": "max-age=300",
-			"cf-ray": "9358d8d15a5a2f64-LAX",
+			"cf-ray": "9358ea26bac719db-LAX",
 			"connection": "close",
 			"content-encoding": "br",
 			"content-type": "application/json",
-			"date": "Thu, 24 Apr 2025 21:55:48 GMT",
+			"date": "Thu, 24 Apr 2025 22:07:38 GMT",
 			"server": "cloudflare",
 			"transfer-encoding": "chunked",
 			"vary": "Accept-Encoding"

src/api/providers/fetchers/__tests__/openrouter.test.ts

@@ -9,7 +9,7 @@ import { PROMPT_CACHING_MODELS } from "../../../../shared/api"
 import { getOpenRouterModels } from "../openrouter"
 
 nockBack.fixtures = path.join(__dirname, "fixtures")
-nockBack.setMode("dryrun")
+nockBack.setMode("lockdown")
 
 describe("OpenRouter API", () => {
 	describe("getOpenRouterModels", () => {

src/api/providers/fetchers/openrouter.ts

@@ -68,7 +68,8 @@ export async function getOpenRouterModels(options?: ApiHandlerOptions) {
 				? parseApiPrice(rawModel.pricing?.input_cache_read)
 				: undefined
 
-			const supportsPromptCache = !!cacheWritesPrice && !!cacheReadsPrice
+			const supportsPromptCache =
+				typeof cacheWritesPrice !== "undefined" && typeof cacheReadsPrice !== "undefined"
 
 			const modelInfo: ModelInfo = {
 				maxTokens: rawModel.top_provider?.max_completion_tokens,

src/shared/api.ts

@@ -1423,7 +1423,7 @@ export const PROMPT_CACHING_MODELS = new Set([
 	"anthropic/claude-3.7-sonnet",
 	"anthropic/claude-3.7-sonnet:beta",
 	"anthropic/claude-3.7-sonnet:thinking",
-	// "google/gemini-2.5-pro-preview-03-25",
+	"google/gemini-2.5-pro-preview-03-25",
 	"google/gemini-2.0-flash-001",
 	"google/gemini-flash-1.5",
 	"google/gemini-flash-1.5-8b",
@@ -1432,7 +1432,7 @@ export const PROMPT_CACHING_MODELS = new Set([
 // These models don't have prompt caching enabled by default (you can turn it on
 // in settings).
 export const OPTIONAL_PROMPT_CACHING_MODELS = new Set([
-	// "google/gemini-2.5-pro-preview-03-25",
+	"google/gemini-2.5-pro-preview-03-25",
 	"google/gemini-2.0-flash-001",
 	"google/gemini-flash-1.5",
 	"google/gemini-flash-1.5-8b",