feat: lancedb vector tool selection (#2654)

Co-authored-by: Wendy Tang <wendytang@squareup.com>
Co-authored-by: Alice Hau <ahau@squareup.com>

crates/goose/src/providers/embedding.rs

@@ -0,0 +1,24 @@
+use anyhow::Result;
+use async_trait::async_trait;
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct EmbeddingRequest {
+    pub input: Vec<String>,
+    pub model: String,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct EmbeddingResponse {
+    pub data: Vec<EmbeddingData>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct EmbeddingData {
+    pub embedding: Vec<f32>,
+}
+
+#[async_trait]
+pub trait EmbeddingCapable {
+    async fn create_embeddings(&self, texts: Vec<String>) -> Result<Vec<Vec<f32>>>;
+}