feat: unify source and skills for Dever 0.1.2 installation

crates/dever-cli/src/main.rs

@@ -231,6 +231,12 @@ fn execute() -> Result<ExitCode, String> {
         return api::write(&program, output.as_deref());
     }
     api::check_baseline(&program, &root)?;
+    if matches!(action, Action::Check) || action.compiles_application() {
+        let errors = program.application_errors()?;
+        if !errors.is_empty() {
+            return Err(errors.iter().map(|error| error.render(&sources)).collect());
+        }
+    }
     if matches!(action, Action::Check) {
         return Ok(ExitCode::SUCCESS);
     }
@@ -246,12 +252,6 @@ fn execute() -> Result<ExitCode, String> {
     } else {
         None
     };
-    if action.compiles_application() {
-        let errors = program.application_errors()?;
-        if !errors.is_empty() {
-            return Err(errors.iter().map(|error| error.render(&sources)).collect());
-        }
-    }
     match &action {
         Action::Check => unreachable!("check returned before target selection"),
         Action::Lib { .. } => unreachable!("lib returned before source checking"),

crates/dever-cli/src/toolchain/release_source.rs

@@ -18,7 +18,7 @@ use super::release::{
 };
 use super::validate_catalog;
 
-const OFFICIAL_RELEASES: &str = "https://github.com/shemic/dever-main/releases";
+const OFFICIAL_RELEASES: &str = "https://git.dever.cc/shemic/dever/dist";
 const DOWNLOAD_TIMEOUT: Duration = Duration::from_secs(300);
 const METADATA_LIMIT: u64 = 2 * 1024 * 1024;
 static NEXT_DOWNLOAD: AtomicU64 = AtomicU64::new(0);
@@ -47,13 +47,8 @@ impl ReleaseSource {
     }
 
     fn asset(&self, requested: &str, suffix: &str) -> String {
-        let selection = if requested == "latest" {
-            "latest/download".to_owned()
-        } else {
-            format!("download/v{requested}")
-        };
         format!(
-            "{}/{selection}/dever-{}.{suffix}",
+            "{}/{requested}/dever-{}.{suffix}",
             self.base,
             platform_identity()
         )
@@ -152,14 +147,7 @@ fn redirect(current: &str, location: &str) -> Result<String, String> {
         || next.password().is_some()
         || next.port_or_known_default() != Some(443)
         || next.fragment().is_some()
-        || !matches!(
-            next.host_str(),
-            Some(
-                "github.com"
-                    | "release-assets.githubusercontent.com"
-                    | "objects.githubusercontent.com"
-            )
-        )
+        || next.host_str() != Some("git.dever.cc")
     {
         return Err("release redirect must remain on the official HTTPS asset hosts".into());
     }

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