Rework state and license checks

core/src/main/java/io/xpipe/core/process/OsNameState.java

@@ -1,6 +0,0 @@
-package io.xpipe.core.process;
-
-public interface OsNameState {
-
-    String getOsName();
-}

core/src/main/java/io/xpipe/core/process/ShellControl.java

@@ -56,10 +56,10 @@ public interface ShellControl extends ProcessControl {
 
     String getOsName();
 
-    boolean isLicenseCheck();
-
     ReentrantLock getLock();
 
+    void requireLicensedFeature(String id);
+
     ShellDialect getOriginalShellDialect();
 
     void setOriginalShellDialect(ShellDialect dialect);

core/src/main/java/io/xpipe/core/process/ShellStoreState.java

@@ -14,7 +14,7 @@ import lombok.extern.jackson.Jacksonized;
 @EqualsAndHashCode(callSuper = true)
 @SuperBuilder(toBuilder = true)
 @Jacksonized
-public class ShellStoreState extends DataStoreState implements OsNameState {
+public class ShellStoreState extends DataStoreState implements SystemState {
 
     OsType.Any osType;
     String osName;

core/src/main/java/io/xpipe/core/process/StubShellControl.java

@@ -6,6 +6,11 @@ public class StubShellControl extends WrapperShellControl {
         super(parent);
     }
 
+    @Override
+    public boolean canHaveSubshells() {
+        return parent.canHaveSubshells();
+    }
+
     @Override
     public void close() throws Exception {}
 }

core/src/main/java/io/xpipe/core/process/SystemState.java

@@ -0,0 +1,12 @@
+package io.xpipe.core.process;
+
+public interface SystemState {
+
+    OsType getOsType();
+
+    String getOsName();
+
+    ShellDialect getShellDialect();
+
+    ShellTtyState getTtyState();
+}

core/src/main/java/io/xpipe/core/process/WrapperShellControl.java

@@ -112,13 +112,13 @@ public class WrapperShellControl implements ShellControl {
     }
 
     @Override
-    public boolean isLicenseCheck() {
-        return parent.isLicenseCheck();
+    public ReentrantLock getLock() {
+        return parent.getLock();
     }
 
     @Override
-    public ReentrantLock getLock() {
-        return parent.getLock();
+    public void requireLicensedFeature(String id) {
+        parent.requireLicensedFeature(id);
     }
 
     @Override