fix: align code with spec

crates/bds-core/src/model/script.rs

@@ -1,5 +1,20 @@
 use serde::{Deserialize, Serialize};
 
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "lowercase")]
+pub enum ScriptKind {
+    Macro,
+    Utility,
+    Transform,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "lowercase")]
+pub enum ScriptStatus {
+    Draft,
+    Published,
+}
+
 /// A user-authored script. Matches the `scripts` table.
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct Script {
@@ -7,13 +22,12 @@ pub struct Script {
     pub project_id: String,
     pub slug: String,
     pub title: String,
-    /// "macro", "transform", or "utility"
-    pub kind: String,
+    pub kind: ScriptKind,
     pub entrypoint: String,
     pub enabled: bool,
     pub version: i32,
     pub file_path: String,
-    pub status: String,
+    pub status: ScriptStatus,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub content: Option<String>,
     pub created_at: i64,