add crud for providers and models

server/lib/aiProviderDefaults.ts

@@ -0,0 +1,48 @@
+export type AiProviderType = "openai" | "anthropic" | "bedrock" | "custom";
+export type AiProviderAuthType = "bearer";
+export type AiBudgetUnit = "usd" | "tokens";
+
+type AiProviderDefaults = {
+    upstreamUrl: string;
+    authType: AiProviderAuthType;
+};
+
+export const AI_PROVIDER_DEFAULTS: Record<
+    Exclude<AiProviderType, "custom">,
+    AiProviderDefaults
+> = {
+    openai: {
+        upstreamUrl: "https://api.openai.com/v1",
+        authType: "bearer"
+    },
+    anthropic: {
+        upstreamUrl: "https://api.anthropic.com",
+        authType: "bearer"
+    },
+    bedrock: {
+        upstreamUrl: "https://bedrock-runtime.us-east-1.amazonaws.com",
+        authType: "bearer"
+    }
+};
+
+export function resolveAiProviderConfig(input: {
+    type: AiProviderType;
+    upstreamUrl: string | null;
+    authType: AiProviderAuthType | null;
+}): {
+    upstreamUrl: string | null;
+    authType: AiProviderAuthType | null;
+} {
+    if (input.type === "custom") {
+        return {
+            upstreamUrl: input.upstreamUrl,
+            authType: input.authType
+        };
+    }
+
+    const defaults = AI_PROVIDER_DEFAULTS[input.type];
+    return {
+        upstreamUrl: input.upstreamUrl ?? defaults.upstreamUrl,
+        authType: input.authType ?? defaults.authType
+    };
+}