diff --git a/packages/ui/src/components/instance/instance-shell2.tsx b/packages/ui/src/components/instance/instance-shell2.tsx
index ce98e7da..6972b022 100644
--- a/packages/ui/src/components/instance/instance-shell2.tsx
+++ b/packages/ui/src/components/instance/instance-shell2.tsx
@@ -56,6 +56,11 @@ import SessionView from "../session/session-view"
 import { formatTokenTotal } from "../../lib/formatters"
 import { sseManager } from "../../lib/sse-manager"
 import { getLogger } from "../../lib/logger"
+import {
+  SESSION_SIDEBAR_EVENT,
+  type SessionSidebarRequestAction,
+  type SessionSidebarRequestDetail,
+} from "../../lib/session-sidebar-events"
 
 const log = getLogger("session")
 
@@ -217,6 +222,17 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
     onCleanup(() => window.removeEventListener("resize", handleResize))
   })
 
+  onMount(() => {
+    if (typeof window === "undefined") return
+    const handler = (event: Event) => {
+      const detail = (event as CustomEvent<SessionSidebarRequestDetail>).detail
+      if (!detail || detail.instanceId !== props.instance.id) return
+      handleSidebarRequest(detail.action)
+    }
+    window.addEventListener(SESSION_SIDEBAR_EVENT, handler)
+    onCleanup(() => window.removeEventListener(SESSION_SIDEBAR_EVENT, handler))
+  })
+
   createEffect(() => {
     if (typeof window === "undefined") return
     window.localStorage.setItem(LEFT_DRAWER_STORAGE_KEY, sessionSidebarWidth().toString())
@@ -322,6 +338,58 @@ const InstanceShell2: Component<InstanceShellProps> = (props) => {
     ),
   )
 
+  const runAfterDrawerReady = (callback: (() => void) | undefined, attempts = 12) => {
+    if (!callback) return
+    if (leftDrawerContentEl()) {
+      requestAnimationFrame(() => callback())
+      return
+    }
+    if (attempts <= 0) return
+    requestAnimationFrame(() => runAfterDrawerReady(callback, attempts - 1))
+  }
+
+  const ensureLeftDrawerVisible = (callback?: () => void) => {
+    if (leftPinned()) {
+      runAfterDrawerReady(callback)
+      return
+    }
+    if (!leftOpen()) {
+      setLeftOpen(true)
+      measureDrawerHost()
+    }
+    runAfterDrawerReady(callback)
+  }
+
+  const focusAgentSelectorControl = () => {
+    const agentTrigger = leftDrawerContentEl()?.querySelector("[data-agent-selector]") as HTMLElement | null
+    if (!agentTrigger) return
+    agentTrigger.focus()
+    setTimeout(() => agentTrigger.click(), 20)
+  }
+
+  const focusModelSelectorControl = () => {
+    const trigger = leftDrawerContentEl()?.querySelector(
+      "[data-model-selector-control] .selector-trigger",
+    ) as HTMLElement | null
+    if (!trigger) return
+    trigger.focus()
+    setTimeout(() => trigger.click(), 20)
+  }
+
+  const handleSidebarRequest = (action: SessionSidebarRequestAction) => {
+    if (action === "focus-agent-selector") {
+      ensureLeftDrawerVisible(() => focusAgentSelectorControl())
+      return
+    }
+    if (action === "focus-model-selector") {
+      ensureLeftDrawerVisible(() => focusModelSelectorControl())
+      return
+    }
+    if (action === "show-session-list") {
+      ensureLeftDrawerVisible()
+    }
+  }
+
   const handleSessionSelect = (sessionId: string) => {
     setActiveSession(props.instance.id, sessionId)
   }
diff --git a/packages/ui/src/lib/hooks/use-commands.ts b/packages/ui/src/lib/hooks/use-commands.ts
index 197bd42f..7c2eedcb 100644
--- a/packages/ui/src/lib/hooks/use-commands.ts
+++ b/packages/ui/src/lib/hooks/use-commands.ts
@@ -18,9 +18,11 @@ import type { MessageRecord } from "../../stores/message-v2/types"
 import { messageStoreBus } from "../../stores/message-v2/bus"
 import { cleanupBlankSessions } from "../../stores/session-state"
 import { getLogger } from "../logger"
+import { emitSessionSidebarRequest } from "../session-sidebar-events"
 
 const log = getLogger("actions")
 
+
 export interface UseCommandsOptions {
   preferences: Accessor<Preferences>
   toggleShowThinkingBlocks: () => void
@@ -191,7 +193,10 @@ export function useCommands(options: UseCommandsOptions) {
         if (ids.length <= 1) return
         const current = ids.indexOf(activeSessionMap().get(instanceId) || "")
         const next = (current + 1) % ids.length
-        if (ids[next]) setActiveSession(instanceId, ids[next])
+        if (ids[next]) {
+          setActiveSession(instanceId, ids[next])
+          emitSessionSidebarRequest({ instanceId, action: "show-session-list" })
+        }
       },
     })
 
@@ -212,7 +217,10 @@ export function useCommands(options: UseCommandsOptions) {
         if (ids.length <= 1) return
         const current = ids.indexOf(activeSessionMap().get(instanceId) || "")
         const prev = current <= 0 ? ids.length - 1 : current - 1
-        if (ids[prev]) setActiveSession(instanceId, ids[prev])
+        if (ids[prev]) {
+          setActiveSession(instanceId, ids[prev])
+          emitSessionSidebarRequest({ instanceId, action: "show-session-list" })
+        }
       },
     })
 
@@ -345,21 +353,9 @@ export function useCommands(options: UseCommandsOptions) {
       keywords: ["model", "llm", "ai"],
       shortcut: { key: "M", meta: true, shift: true },
       action: () => {
-        const modelInput = document.querySelector("[data-model-selector]") as HTMLInputElement
-        if (modelInput) {
-          modelInput.focus()
-          setTimeout(() => {
-            const event = new KeyboardEvent("keydown", {
-              key: "ArrowDown",
-              code: "ArrowDown",
-              keyCode: 40,
-              which: 40,
-              bubbles: true,
-              cancelable: true,
-            })
-            modelInput.dispatchEvent(event)
-          }, 10)
-        }
+        const instance = activeInstance()
+        if (!instance) return
+        emitSessionSidebarRequest({ instanceId: instance.id, action: "focus-model-selector" })
       },
     })
 
@@ -371,21 +367,9 @@ export function useCommands(options: UseCommandsOptions) {
       keywords: ["agent", "mode"],
       shortcut: { key: "A", meta: true, shift: true },
       action: () => {
-        const agentTrigger = document.querySelector("[data-agent-selector]") as HTMLElement
-        if (agentTrigger) {
-          agentTrigger.focus()
-          setTimeout(() => {
-            const event = new KeyboardEvent("keydown", {
-              key: "Enter",
-              code: "Enter",
-              keyCode: 13,
-              which: 13,
-              bubbles: true,
-              cancelable: true,
-            })
-            agentTrigger.dispatchEvent(event)
-          }, 50)
-        }
+        const instance = activeInstance()
+        if (!instance) return
+        emitSessionSidebarRequest({ instanceId: instance.id, action: "focus-agent-selector" })
       },
     })
 
diff --git a/packages/ui/src/lib/session-sidebar-events.ts b/packages/ui/src/lib/session-sidebar-events.ts
new file mode 100644
index 00000000..a8529a24
--- /dev/null
+++ b/packages/ui/src/lib/session-sidebar-events.ts
@@ -0,0 +1,13 @@
+export type SessionSidebarRequestAction = "focus-agent-selector" | "focus-model-selector" | "show-session-list"
+
+export interface SessionSidebarRequestDetail {
+  instanceId: string
+  action: SessionSidebarRequestAction
+}
+
+export const SESSION_SIDEBAR_EVENT = "opencode:session-sidebar-request"
+
+export function emitSessionSidebarRequest(detail: SessionSidebarRequestDetail) {
+  if (typeof window === "undefined") return
+  window.dispatchEvent(new CustomEvent<SessionSidebarRequestDetail>(SESSION_SIDEBAR_EVENT, { detail }))
+}