make sure we don't call providers in case of missing api key

src/app/engine/render.ts

@@ -187,7 +187,7 @@ export async function newRender({
         segments: []
       } as RenderedScene
     } else if (renderingEngine === "REPLICATE") {
-      if (!replicateApiKey) {
+      if (!replicateApiKey || `${replicateApiKey || ""}`.length < 8) {
         throw new Error(`invalid replicateApiKey, you need to configure your REPLICATE_API_TOKEN in order to use the REPLICATE rendering engine`)
       }
       if (!replicateApiModel) {

src/app/queries/predictWithAnthropic.ts

@@ -20,6 +20,7 @@ export async function predict({
     process.env.LLM_ANTHROPIC_API_MODEL ||
     "claude-3-opus-20240229"
   }`
+  if (!anthropicApiKey) { throw new Error(`cannot call Anthropic without an API key`) }
   
   const anthropic = new Anthropic({
     apiKey: anthropicApiKey,

src/app/queries/predictWithGroq.ts

@@ -20,6 +20,8 @@ export async function predict({
     "mixtral-8x7b-32768"
   }`
 
+  if (!groqApiKey) { throw new Error(`cannot call Groq without an API key`) }
+  
   const groq = new Groq({
     apiKey: groqApiKey,
   })

src/app/queries/predictWithOpenAI.ts

@@ -21,6 +21,9 @@ export async function predict({
     "gpt-4-turbo"
   }`
 
+  if (!openaiApiKey) { throw new Error(`cannot call OpenAI without an API key`) }
+  
+
   const openaiApiBaseUrl = `${process.env.LLM_OPENAI_API_BASE_URL || "https://api.openai.com/v1"}`
 
   const openai = new OpenAI({