Update

crates/aiproxy-providers/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "aiproxy-providers"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+thiserror = { workspace = true }

crates/aiproxy-providers/src/lib.rs

@@ -0,0 +1 @@
+mod provider;

crates/aiproxy-providers/src/provider.rs

@@ -0,0 +1,25 @@
+use thiserror::Error;
+
+#[derive(Error, Debug)]
+pub enum ProviderBuildError {
+    #[error("Internal error: {0}")]
+    InternalError(String),
+}
+
+pub trait Provider {
+    
+}
+
+pub struct ProviderBuilder {
+    base_url: String,
+    api_key: Option<String>
+}
+
+impl ProviderBuilder {
+    pub fn build<T>(self) -> Result<Box<T>, ProviderBuildError>
+    where
+        T: Provider + TryFrom<ProviderBuilder, Error = ProviderBuildError>,
+    {
+        Ok(Box::new(T::try_from(self)?))
+    }
+}