refactor(jetbrains): move services to client.app package, rename ChatModel to SessionState

- Move KiloAppService, KiloSessionService, KiloWorkspaceService,
  Workspace from client/client.workspace to client.app package
- Rename ChatModel to SessionState for clarity
- Update all imports across actions, chat, tests

packages/kilo-jetbrains/frontend/src/main/kotlin/ai/kilocode/client/KiloToolWindowFactory.kt

@@ -1,7 +1,9 @@
 package ai.kilocode.client
 
+import ai.kilocode.client.app.KiloAppService
+import ai.kilocode.client.app.KiloSessionService
 import ai.kilocode.client.chat.SessionUi
-import ai.kilocode.client.workspace.KiloWorkspaceService
+import ai.kilocode.client.app.KiloWorkspaceService
 import com.intellij.openapi.actionSystem.ActionManager
 import com.intellij.openapi.components.service
 import com.intellij.openapi.diagnostic.Logger

packages/kilo-jetbrains/frontend/src/main/kotlin/ai/kilocode/client/actions/ReinstallKiloAction.kt

@@ -1,6 +1,6 @@
 package ai.kilocode.client.actions
 
-import ai.kilocode.client.KiloAppService
+import ai.kilocode.client.app.KiloAppService
 import ai.kilocode.rpc.dto.KiloAppStatusDto
 import com.intellij.openapi.actionSystem.AnAction
 import com.intellij.openapi.actionSystem.AnActionEvent

packages/kilo-jetbrains/frontend/src/main/kotlin/ai/kilocode/client/actions/RestartKiloAction.kt

@@ -1,6 +1,6 @@
 package ai.kilocode.client.actions
 
-import ai.kilocode.client.KiloAppService
+import ai.kilocode.client.app.KiloAppService
 import ai.kilocode.rpc.dto.KiloAppStatusDto
 import com.intellij.openapi.actionSystem.AnAction
 import com.intellij.openapi.actionSystem.AnActionEvent

packages/kilo-jetbrains/frontend/src/main/kotlin/ai/kilocode/client/actions/StatusInfoAction.kt

@@ -1,6 +1,6 @@
 package ai.kilocode.client.actions
 
-import ai.kilocode.client.KiloAppService
+import ai.kilocode.client.app.KiloAppService
 import ai.kilocode.client.plugin.KiloBundle
 import ai.kilocode.rpc.dto.KiloAppStatusDto
 import com.intellij.openapi.actionSystem.AnAction

packages/kilo-jetbrains/frontend/src/main/kotlin/ai/kilocode/client/app/KiloAppService.kt

@@ -1,6 +1,6 @@
 @file:Suppress("UnstableApiUsage")
 
-package ai.kilocode.client
+package ai.kilocode.client.app
 
 import ai.kilocode.rpc.KiloAppRpcApi
 import ai.kilocode.rpc.dto.HealthDto

packages/kilo-jetbrains/frontend/src/main/kotlin/ai/kilocode/client/app/KiloSessionService.kt

@@ -1,6 +1,6 @@
 @file:Suppress("UnstableApiUsage")
 
-package ai.kilocode.client
+package ai.kilocode.client.app
 
 import ai.kilocode.rpc.KiloSessionRpcApi
 import ai.kilocode.rpc.dto.ChatEventDto

packages/kilo-jetbrains/frontend/src/main/kotlin/ai/kilocode/client/app/KiloWorkspaceService.kt

@@ -1,6 +1,6 @@
 @file:Suppress("UnstableApiUsage")
 
-package ai.kilocode.client.workspace
+package ai.kilocode.client.app
 
 import ai.kilocode.rpc.KiloWorkspaceRpcApi
 import ai.kilocode.rpc.dto.KiloWorkspaceStateDto

packages/kilo-jetbrains/frontend/src/main/kotlin/ai/kilocode/client/app/Workspace.kt

@@ -1,4 +1,4 @@
-package ai.kilocode.client.workspace
+package ai.kilocode.client.app
 
 import ai.kilocode.rpc.dto.KiloWorkspaceStateDto
 import kotlinx.coroutines.flow.StateFlow

packages/kilo-jetbrains/frontend/src/main/kotlin/ai/kilocode/client/chat/SessionUi.kt

@@ -1,8 +1,8 @@
 package ai.kilocode.client.chat
 
-import ai.kilocode.client.KiloAppService
-import ai.kilocode.client.KiloSessionService
-import ai.kilocode.client.workspace.Workspace
+import ai.kilocode.client.app.KiloAppService
+import ai.kilocode.client.app.KiloSessionService
+import ai.kilocode.client.app.Workspace
 import ai.kilocode.client.chat.model.SessionEvent
 import ai.kilocode.client.chat.model.SessionModel
 import ai.kilocode.client.chat.ui.LabelPicker

packages/kilo-jetbrains/frontend/src/main/kotlin/ai/kilocode/client/chat/model/SessionEvent.kt

@@ -4,7 +4,7 @@ package ai.kilocode.client.chat.model
  * Change events fired by [SessionModel] on the EDT.
  *
  * Events carry IDs so the UI knows **which** message/part changed.
- * The UI can read full data from [ChatModel] directly (safe — same
+ * The UI can read full data from [SessionState] directly (safe — same
  * EDT thread). [PartDelta] also carries the delta string so the
  * view can append efficiently without reading the whole text.
  */

packages/kilo-jetbrains/frontend/src/main/kotlin/ai/kilocode/client/chat/model/SessionModel.kt

@@ -1,8 +1,8 @@
 package ai.kilocode.client.chat.model
 
-import ai.kilocode.client.KiloAppService
-import ai.kilocode.client.KiloSessionService
-import ai.kilocode.client.workspace.Workspace
+import ai.kilocode.client.app.KiloAppService
+import ai.kilocode.client.app.KiloSessionService
+import ai.kilocode.client.app.Workspace
 import ai.kilocode.rpc.dto.ChatEventDto
 import ai.kilocode.rpc.dto.ConfigUpdateDto
 import ai.kilocode.rpc.dto.KiloAppStatusDto
@@ -24,7 +24,7 @@ import kotlinx.coroutines.launch
  * ensures event subscription happens *before* the prompt is sent,
  * eliminating race conditions.
  *
- * Owns [ChatModel] and the listener list. All model mutations and
+ * Owns [SessionState] and the listener list. All model mutations and
  * listener notifications happen on the EDT — [fire] auto-dispatches
  * via `invokeLater` when called from a background thread.
  */
@@ -45,7 +45,7 @@ class SessionModel(
         Disposer.register(parent, this)
     }
 
-    val chat = ChatModel()
+    val chat = SessionState()
 
     private val listeners = mutableListOf<SessionModelListener>()
 

packages/kilo-jetbrains/frontend/src/main/kotlin/ai/kilocode/client/chat/model/SessionState.kt

@@ -15,7 +15,7 @@ import ai.kilocode.rpc.dto.PartDto
  * **EDT-only access** — no synchronization. [SessionModel] guarantees
  * all reads and writes happen on the EDT.
  */
-class ChatModel {
+class SessionState {
 
     private val messages = LinkedHashMap<String, MessageData>()
 

packages/kilo-jetbrains/frontend/src/main/kotlin/ai/kilocode/client/chat/ui/StatusPanel.kt

@@ -30,7 +30,7 @@ import javax.swing.SwingConstants
  * Welcome panel showing app + workspace initialization progress.
  *
  * Pure view — listens to [SessionModel] events and reads
- * [ChatModel][ai.kilocode.client.chat.model.ChatModel] for data.
+ * [ChatModel][ai.kilocode.client.chat.model.SessionState] for data.
  * No coroutines, no service references.
  *
  * Uses icon+label rows for each resource being loaded. Icons act as

packages/kilo-jetbrains/frontend/src/test/kotlin/ai/kilocode/client/chat/model/SessionModelTestBase.kt

@@ -1,12 +1,12 @@
 package ai.kilocode.client.chat.model
 
-import ai.kilocode.client.KiloAppService
-import ai.kilocode.client.KiloSessionService
+import ai.kilocode.client.app.KiloAppService
+import ai.kilocode.client.app.KiloSessionService
 import ai.kilocode.client.testing.FakeAppRpcApi
 import ai.kilocode.client.testing.FakeWorkspaceRpcApi
 import ai.kilocode.client.testing.FakeSessionRpcApi
-import ai.kilocode.client.workspace.KiloWorkspaceService
-import ai.kilocode.client.workspace.Workspace
+import ai.kilocode.client.app.KiloWorkspaceService
+import ai.kilocode.client.app.Workspace
 import ai.kilocode.rpc.dto.AgentDto
 import ai.kilocode.rpc.dto.AgentsDto
 import ai.kilocode.rpc.dto.ChatEventDto