diff --git a/ui/js/src/main/scala/works/iterative/ui/components/ComponentContext.scala b/ui/js/src/main/scala/works/iterative/ui/components/ComponentContext.scala
index 36fd8ea..df2cbf8 100644
--- a/ui/js/src/main/scala/works/iterative/ui/components/ComponentContext.scala
+++ b/ui/js/src/main/scala/works/iterative/ui/components/ComponentContext.scala
@@ -2,13 +2,25 @@
 package ui.components
 
 import works.iterative.core.MessageCatalogue
+import works.iterative.core.auth.UserInfo
+import com.raquo.airstream.core.Signal
 
-trait ComponentContext[App]:
-  def app: App
+/** Context containing services needed in all parts of the application
+  */
+// TODO: this is Laminar-specific, we need to make it generic
+// Also, it is hard to mock, as there is too much stuff in it
+// There has been an attempt to use a typeclass to provide the services, like
+// Env: CurrentUser etc, but it was unclear how the typeclass would be used with the Dispatcher
+// as it needs Env
+// So for now, it is everything in one place
+trait ComponentContext[+Env]:
+  def currentUser: Signal[Option[UserInfo]]
   def messages: MessageCatalogue
+  def modal: Modal
+  def dispatcher: ZIODispatcher[Env]
 
-  def nested(prefixes: String*): ComponentContext[App] =
-    ComponentContext.Nested[App](this, prefixes)
+  def nested(prefixes: String*): ComponentContext[Env] =
+    ComponentContext.Nested[Env](this, prefixes)
 
 object ComponentContext:
   case class Nested[App](parent: ComponentContext[App], prefixes: Seq[String])

diff --git a/ui/js/src/main/scala/works/iterative/ui/components/ComponentContext.scala b/ui/js/src/main/scala/works/iterative/ui/components/ComponentContext.scala
index 36fd8ea..df2cbf8 100644
--- a/ui/js/src/main/scala/works/iterative/ui/components/ComponentContext.scala
+++ b/ui/js/src/main/scala/works/iterative/ui/components/ComponentContext.scala
@@ -2,13 +2,25 @@
 package ui.components
 
 import works.iterative.core.MessageCatalogue
+import works.iterative.core.auth.UserInfo
+import com.raquo.airstream.core.Signal
 
-trait ComponentContext[App]:
-  def app: App
+/** Context containing services needed in all parts of the application
+  */
+// TODO: this is Laminar-specific, we need to make it generic
+// Also, it is hard to mock, as there is too much stuff in it
+// There has been an attempt to use a typeclass to provide the services, like
+// Env: CurrentUser etc, but it was unclear how the typeclass would be used with the Dispatcher
+// as it needs Env
+// So for now, it is everything in one place
+trait ComponentContext[+Env]:
+  def currentUser: Signal[Option[UserInfo]]
   def messages: MessageCatalogue
+  def modal: Modal
+  def dispatcher: ZIODispatcher[Env]
 
-  def nested(prefixes: String*): ComponentContext[App] =
-    ComponentContext.Nested[App](this, prefixes)
+  def nested(prefixes: String*): ComponentContext[Env] =
+    ComponentContext.Nested[Env](this, prefixes)
 
 object ComponentContext:
   case class Nested[App](parent: ComponentContext[App], prefixes: Seq[String])
diff --git a/ui/js/src/main/scala/works/iterative/ui/components/Modal.scala b/ui/js/src/main/scala/works/iterative/ui/components/Modal.scala
new file mode 100644
index 0000000..b9098da
--- /dev/null
+++ b/ui/js/src/main/scala/works/iterative/ui/components/Modal.scala
@@ -0,0 +1,8 @@
+package works.iterative.ui.components
+
+import com.raquo.laminar.api.L.*
+
+trait Modal:
+  // TODO: this is wrong, we need to make it generic
+  def open(content: HtmlElement): Unit
+  def close(): Unit

diff --git a/ui/js/src/main/scala/works/iterative/ui/components/ComponentContext.scala b/ui/js/src/main/scala/works/iterative/ui/components/ComponentContext.scala
index 36fd8ea..df2cbf8 100644
--- a/ui/js/src/main/scala/works/iterative/ui/components/ComponentContext.scala
+++ b/ui/js/src/main/scala/works/iterative/ui/components/ComponentContext.scala
@@ -2,13 +2,25 @@
 package ui.components
 
 import works.iterative.core.MessageCatalogue
+import works.iterative.core.auth.UserInfo
+import com.raquo.airstream.core.Signal
 
-trait ComponentContext[App]:
-  def app: App
+/** Context containing services needed in all parts of the application
+  */
+// TODO: this is Laminar-specific, we need to make it generic
+// Also, it is hard to mock, as there is too much stuff in it
+// There has been an attempt to use a typeclass to provide the services, like
+// Env: CurrentUser etc, but it was unclear how the typeclass would be used with the Dispatcher
+// as it needs Env
+// So for now, it is everything in one place
+trait ComponentContext[+Env]:
+  def currentUser: Signal[Option[UserInfo]]
   def messages: MessageCatalogue
+  def modal: Modal
+  def dispatcher: ZIODispatcher[Env]
 
-  def nested(prefixes: String*): ComponentContext[App] =
-    ComponentContext.Nested[App](this, prefixes)
+  def nested(prefixes: String*): ComponentContext[Env] =
+    ComponentContext.Nested[Env](this, prefixes)
 
 object ComponentContext:
   case class Nested[App](parent: ComponentContext[App], prefixes: Seq[String])
diff --git a/ui/js/src/main/scala/works/iterative/ui/components/Modal.scala b/ui/js/src/main/scala/works/iterative/ui/components/Modal.scala
new file mode 100644
index 0000000..b9098da
--- /dev/null
+++ b/ui/js/src/main/scala/works/iterative/ui/components/Modal.scala
@@ -0,0 +1,8 @@
+package works.iterative.ui.components
+
+import com.raquo.laminar.api.L.*
+
+trait Modal:
+  // TODO: this is wrong, we need to make it generic
+  def open(content: HtmlElement): Unit
+  def close(): Unit
diff --git a/ui/js/src/main/scala/works/iterative/ui/components/ZIODispatcher.scala b/ui/js/src/main/scala/works/iterative/ui/components/ZIODispatcher.scala
new file mode 100644
index 0000000..f662a20
--- /dev/null
+++ b/ui/js/src/main/scala/works/iterative/ui/components/ZIODispatcher.scala
@@ -0,0 +1,15 @@
+package works.iterative.ui.components
+
+import zio.*
+
+trait ZIODispatcher[+Env]:
+  def dispatch(action: ZIO[Env, Nothing, Unit]): Unit
+
+object ZIODispatcher:
+  def fromRuntime[Env](using runtime: Runtime[Env]): ZIODispatcher[Env] =
+    new ZIODispatcher[Env]:
+      override def dispatch(action: ZIO[Env, Nothing, Unit]): Unit =
+        Unsafe.unsafe(implicit unsafe =>
+          // TODO: do I need to cancel this on evenstream stop?
+          val _ = runtime.unsafe.runToFuture(action)
+        )

diff --git a/ui/js/src/main/scala/works/iterative/ui/components/ComponentContext.scala b/ui/js/src/main/scala/works/iterative/ui/components/ComponentContext.scala
index 36fd8ea..df2cbf8 100644
--- a/ui/js/src/main/scala/works/iterative/ui/components/ComponentContext.scala
+++ b/ui/js/src/main/scala/works/iterative/ui/components/ComponentContext.scala
@@ -2,13 +2,25 @@
 package ui.components
 
 import works.iterative.core.MessageCatalogue
+import works.iterative.core.auth.UserInfo
+import com.raquo.airstream.core.Signal
 
-trait ComponentContext[App]:
-  def app: App
+/** Context containing services needed in all parts of the application
+  */
+// TODO: this is Laminar-specific, we need to make it generic
+// Also, it is hard to mock, as there is too much stuff in it
+// There has been an attempt to use a typeclass to provide the services, like
+// Env: CurrentUser etc, but it was unclear how the typeclass would be used with the Dispatcher
+// as it needs Env
+// So for now, it is everything in one place
+trait ComponentContext[+Env]:
+  def currentUser: Signal[Option[UserInfo]]
   def messages: MessageCatalogue
+  def modal: Modal
+  def dispatcher: ZIODispatcher[Env]
 
-  def nested(prefixes: String*): ComponentContext[App] =
-    ComponentContext.Nested[App](this, prefixes)
+  def nested(prefixes: String*): ComponentContext[Env] =
+    ComponentContext.Nested[Env](this, prefixes)
 
 object ComponentContext:
   case class Nested[App](parent: ComponentContext[App], prefixes: Seq[String])
diff --git a/ui/js/src/main/scala/works/iterative/ui/components/Modal.scala b/ui/js/src/main/scala/works/iterative/ui/components/Modal.scala
new file mode 100644
index 0000000..b9098da
--- /dev/null
+++ b/ui/js/src/main/scala/works/iterative/ui/components/Modal.scala
@@ -0,0 +1,8 @@
+package works.iterative.ui.components
+
+import com.raquo.laminar.api.L.*
+
+trait Modal:
+  // TODO: this is wrong, we need to make it generic
+  def open(content: HtmlElement): Unit
+  def close(): Unit
diff --git a/ui/js/src/main/scala/works/iterative/ui/components/ZIODispatcher.scala b/ui/js/src/main/scala/works/iterative/ui/components/ZIODispatcher.scala
new file mode 100644
index 0000000..f662a20
--- /dev/null
+++ b/ui/js/src/main/scala/works/iterative/ui/components/ZIODispatcher.scala
@@ -0,0 +1,15 @@
+package works.iterative.ui.components
+
+import zio.*
+
+trait ZIODispatcher[+Env]:
+  def dispatch(action: ZIO[Env, Nothing, Unit]): Unit
+
+object ZIODispatcher:
+  def fromRuntime[Env](using runtime: Runtime[Env]): ZIODispatcher[Env] =
+    new ZIODispatcher[Env]:
+      override def dispatch(action: ZIO[Env, Nothing, Unit]): Unit =
+        Unsafe.unsafe(implicit unsafe =>
+          // TODO: do I need to cancel this on evenstream stop?
+          val _ = runtime.unsafe.runToFuture(action)
+        )
diff --git a/ui/js/src/main/scala/works/iterative/ui/scenarios/ScenarioMain.scala b/ui/js/src/main/scala/works/iterative/ui/scenarios/ScenarioMain.scala
index a6663c9..bc2ffe0 100644
--- a/ui/js/src/main/scala/works/iterative/ui/scenarios/ScenarioMain.scala
+++ b/ui/js/src/main/scala/works/iterative/ui/scenarios/ScenarioMain.scala
@@ -11,6 +11,9 @@
 import scala.annotation.unused
 import scala.scalajs.js
 import scala.scalajs.js.Dictionary
+import works.iterative.ui.components.Modal
+import works.iterative.ui.components.ZIODispatcher
+import works.iterative.core.auth.UserInfo
 
 trait ScenarioMain(
     prefix: String,
@@ -45,9 +48,14 @@
   )
 
   def main(@unused args: Array[String]): Unit =
-    given ComponentContext[Unit] with
-      val app: Unit = ()
+    given ComponentContext[Nothing] with
+      val currentUser: Signal[Option[UserInfo]] = Val(None)
       val messages: MessageCatalogue = messageCatalogue
+      val modal: Modal = new Modal:
+        override def open(content: HtmlElement): Unit = ()
+        override def close(): Unit = ()
+      val dispatcher: ZIODispatcher[Nothing] =
+        _ => ()
 
     def container: HtmlElement =
       div(