Fix apiKey implementations

Author: danielcampagnolitg

src/llm/services/cerebras.ts

@@ -38,6 +38,6 @@ export class CerebrasLLM extends AiLLM<OpenAIProvider> {
 	}
 
 	protected apiKey(): string | undefined {
-		return currentUser().llmConfig.cerebrasKey || envVar('CEREBRAS_API_KEY');
+		return currentUser().llmConfig.cerebrasKey || process.env.CEREBRAS_API_KEY;
 	}
 }

src/llm/services/deepseek.ts

@@ -39,6 +39,6 @@ export class DeepSeekLLM extends AiLLM<DeepSeekProvider> {
 	}
 
 	protected apiKey(): string | undefined {
-		return currentUser().llmConfig.deepseekKey || envVar('DEEPSEEK_API_KEY');
+		return currentUser().llmConfig.deepseekKey || process.env.DEEPSEEK_API_KEY;
 	}
 }

src/llm/services/perplexity-llm.ts

@@ -69,10 +69,14 @@ export class PerplexityLLM extends BaseLLM {
 		this.costPerPromptToken = costPerPromptToken;
 		this.costPerCompletionToken = costPerCompletionToken;
 		this.onlineCost = onlineCost;
-		this.openai = new OpenAI({
+	}
+
+	private api(): OpenAI {
+		this.openai ??= new OpenAI({
 			apiKey: functionConfig(Perplexity).key || envVar('PERPLEXITY_KEY'),
 			baseURL: 'https://api.perplexity.ai',
 		});
+		return this.openai;
 	}
 
 	isConfigured(): boolean {
@@ -131,7 +135,7 @@ export class PerplexityLLM extends BaseLLM {
 			const requestTime = Date.now();
 
 			try {
-				const response = await this.openai.chat.completions.create({
+				const response = await this.api().chat.completions.create({
 					model: this.model,
 					messages: apiMessages,
 					stream: false,

src/llm/services/sambanova.ts

@@ -11,7 +11,7 @@ export function sambanovaLLMRegistry(): Record<string, () => LLM> {
 	return {
 		'sambanova:DeepSeek-R1': sambanovaDeepseekR1,
 		'sambanova:DeepSeek-R1-Distill-Llama-70B': sambanovaLlama3_3_70b_R1_Distill,
-		'sambanova:llama-3.3-70b': sambanovaLlama3_3_70b,
+		'sambanova:Meta-Llama-3.3-70B-Instruct': sambanovaLlama3_3_70b,
 	};
 }
 
@@ -43,6 +43,6 @@ export class SambanovaLLM extends AiLLM<OpenAIProvider> {
 	}
 
 	protected apiKey(): string | undefined {
-		return currentUser().llmConfig.sambanovaKey || envVar('SAMBANOVA_API_KEY');
+		return currentUser().llmConfig.sambanovaKey || process.env.SAMBANOVA_API_KEY;
 	}
 }

src/llm/services/vertexai.ts

@@ -51,7 +51,7 @@ class VertexLLM extends AiLLM<GoogleVertexProvider> {
 	}
 
 	protected apiKey(): string {
-		return currentUser().llmConfig.vertexProjectId || envVar('GCLOUD_PROJECT');
+		return currentUser().llmConfig.vertexProjectId || process.env.GCLOUD_PROJECT;
 	}
 
 	provider(): GoogleVertexProvider {