Integrate diagnostic decorations and current-source Text input boundaries

crates/oa-cli/src/lib.rs

@@ -222,8 +222,8 @@ pub fn prepare(entry: &Path, operation: Operation) -> Result<Prepared, Box<Repor
         Box::new(report.clone())
     })?;
     let raw = snapshot.reachable_bundle();
-    // The loader may include warnings from stabilized compilation. Only its
-    // discovery/IO diagnostics are authoritative on the original bytes.
+    // Keep discovery/IO failures that lint cannot recover from the bundle alone.
+    // Recompute source diagnostics below, against the same original bytes.
     let mut diagnostics: Vec<_> = snapshot
         .diagnostics
         .iter()