feat: unify source and skills for Dever 0.1.2 installation

crates/dever-core/src/api.rs

@@ -6,7 +6,7 @@ use crate::specialize::{self, Specialization};
 use crate::types::{Field, Parameter, Shape, Type};
 
 impl Program {
-    /// Application entries are known only for run/build; library checks retain unused exports.
+    /// CLI check/run/build share production roots; core library checks retain unused exports.
     pub fn application_errors(&self) -> Result<Vec<Diagnostic>, String> {
         let roots = self
             .api_routes