Feat v0.6.3 dead code sweep (#38)

Co-authored-by: Jeffrey Smith <jasafpro@gmail.com>
Co-committed-by: Jeffrey Smith <jasafpro@gmail.com>

server/handlers/ext_api.go

@@ -1,6 +1,5 @@
 // Package handlers — ext_api.go
 //
-// v0.29.1 CS1: Extension API routes. Starlark packages serve custom
 // JSON endpoints via the existing Gin router. Mounted at
 // /s/:slug/api/*path with JWT auth.
 //
@@ -332,7 +331,7 @@ func hasPermission(granted []string, perm string) bool {
 	return false
 }
 
-// ── api_schema support (v0.6.2) ─────────────────────────────────────
+// ── api_schema support ─────────────────────────────────────
 
 // APISchemaEntry represents one route's OpenAPI-level documentation
 // declared via the optional manifest "api_schema" array.