fix(agent-manager): collapse sessions by default

.changeset/collapse-agent-sessions.md

@@ -0,0 +1,5 @@
+---
+"kilo-code": patch
+---
+
+Start the Agent Manager with the Sessions list collapsed while preserving each workspace's saved choice.

packages/kilo-vscode/src/agent-manager/WorktreeStateManager.ts

@@ -99,7 +99,7 @@ export class WorktreeStateManager {
   private sections = new Map<string, Section>()
   private tabOrder: Record<string, string[]> = {}
   private worktreeOrder: string[] = []
-  private collapsed = false
+  private collapsed = true
   private sidebar = false
   private reviewDiffStyle: "unified" | "split" = "unified"
   private defaultBase: string | undefined
@@ -650,6 +650,7 @@ export class WorktreeStateManager {
       this.worktreeOrder = data.worktreeOrder
     }
     const repaired = this.setNormalizedWorktreeOrder(this.worktreeOrder)
+    // State files from before this preference was explicit used the expanded layout.
     this.collapsed = data.sessionsCollapsed ?? false
     this.sidebar = data.sidebarCollapsed ?? false
     if (data.reviewDiffStyle === "split") {
@@ -754,9 +755,7 @@ export class WorktreeStateManager {
     if (this.worktreeOrder.length > 0) {
       data.worktreeOrder = this.worktreeOrder
     }
-    if (this.collapsed) {
-      data.sessionsCollapsed = true
-    }
+    data.sessionsCollapsed = this.collapsed
     if (this.sidebar) {
       data.sidebarCollapsed = true
     }

packages/kilo-vscode/tests/unit/worktree-state-manager.test.ts

@@ -392,7 +392,18 @@ describe("WorktreeStateManager", () => {
   })
 
   describe("sessionsCollapsed", () => {
-    it("defaults to false", () => {
+    it("defaults to true when state is missing", async () => {
+      await manager.load()
+
+      expect(manager.getSessionsCollapsed()).toBe(true)
+    })
+
+    it("preserves the expanded default from legacy state", async () => {
+      const file = path.join(root, ".kilo", "agent-manager.json")
+      fs.writeFileSync(file, JSON.stringify({ worktrees: {}, sessions: {} }))
+
+      await manager.load()
+
       expect(manager.getSessionsCollapsed()).toBe(false)
     })
 
@@ -414,14 +425,18 @@ describe("WorktreeStateManager", () => {
       expect(loaded.getSessionsCollapsed()).toBe(true)
     })
 
-    it("does not persist when false", async () => {
+    it("persists and loads expanded state", async () => {
       manager.setSessionsCollapsed(false)
       await manager.flush()
       await manager.save()
 
       const content = fs.readFileSync(path.join(root, ".kilo", "agent-manager.json"), "utf-8")
       const data = JSON.parse(content)
-      expect(data.sessionsCollapsed).toBeUndefined()
+      expect(data.sessionsCollapsed).toBe(false)
+
+      const loaded = new WorktreeStateManager(root, () => {})
+      await loaded.load()
+      expect(loaded.getSessionsCollapsed()).toBe(false)
     })
   })
 

packages/kilo-vscode/webview-ui/agent-manager/AgentManagerApp.tsx

@@ -234,7 +234,7 @@ const AgentManagerContent: Component = () => {
   const evictLocal = (sid: string) =>
     setLocalSessionIDs((prev) => (prev.includes(sid) ? prev.filter((id) => id !== sid) : prev))
   const [sidebarWidth, setSidebarWidth] = createSignal(persisted?.sidebarWidth ?? DEFAULT_SIDEBAR_WIDTH)
-  const [sessionsCollapsed, setSessionsCollapsed] = createSignal(false)
+  const [sessionsCollapsed, setSessionsCollapsed] = createSignal(true)
   const sidebar = createSidebarCollapse(vscode)
   const sidebarCollapsed = sidebar.collapsed
   const expandSidebar = sidebar.expand