Re-enable Scala Native (0.5.8); keep ZipOps JVM-only; split zip tests to JVM

Readme.adoc

@@ -1220,6 +1220,11 @@ os.list(tempDir) ==> Seq(tempDir / "file")
 
 === Zip & Unzip Files
 
+[NOTE]
+====
+JVM only: Zip-related APIs are available on the JVM but not on Scala Native. The following symbols are JVM-only and are not defined on Native builds: `os.zip`, `os.unzip`, `os.zip.stream`, `os.unzip.stream`, `os.unzip.list`, and `os.zip.open`.
+====
+
 ==== `os.zip`
 
 [source,scala]
@@ -2579,6 +2584,10 @@ string, int or set representations of the `os.PermSet` via:
 
 == Changelog
 
+=== 0.11.6
+
+* Re-enabled Scala Native builds (tested with Scala Native 0.5.8). Zip APIs remain JVM-only.
+
 === 0.11.5
 
 * Dropped support for Scala-Native, until https://github.com/com-lihaoyi/os-lib/issues/395[Fix and re-enable Scala-Native build (500USD Bounty)]

build.mill

@@ -234,14 +234,15 @@ object os extends Module {
     }
   }
 
-  /*object native extends Cross[OsNativeModule](scalaVersions)
+  object native extends Cross[OsNativeModule](scalaVersions)
   trait OsNativeModule extends OsModule with ScalaNativeModule {
-    def scalaNativeVersion = "0.5.2"
+    def scalaNativeVersion = "0.5.8"
     object test extends ScalaNativeTests with OsLibTestModule {
+      // Keep stubs linked to tolerate optional symbols across platforms
       def nativeLinkStubs = true
     }
     object nohometest extends ScalaNativeTests with OsLibTestModule
-  }*/
+  }
 
   object watch extends Module {
     object jvm extends Cross[WatchJvmModule](scalaVersions)