fix(app): remember last opened project

packages/app/src/context/server.tsx

@@ -36,6 +36,7 @@ export const { use: useServer, provider: ServerProvider } = createSimpleContext(
       createStore({
         list: [] as string[],
         projects: {} as Record<string, StoredProject[]>,
+        lastProject: {} as Record<string, string>,
       }),
     )
 
@@ -197,6 +198,16 @@ export const { use: useServer, provider: ServerProvider } = createSimpleContext(
           result.splice(toIndex, 0, item)
           setStore("projects", key, result)
         },
+        last() {
+          const key = origin()
+          if (!key) return
+          return store.lastProject[key]
+        },
+        touch(directory: string) {
+          const key = origin()
+          if (!key) return
+          setStore("lastProject", key, directory)
+        },
       },
     }
   },

packages/app/src/pages/home.tsx

@@ -1,4 +1,3 @@
-import { useGlobalSync } from "@/context/global-sync"
 import { createMemo, For, Match, Show, Switch } from "solid-js"
 import { Button } from "@opencode-ai/ui/button"
 import { Logo } from "@opencode-ai/ui/logo"
@@ -12,6 +11,7 @@ import { useDialog } from "@opencode-ai/ui/context/dialog"
 import { DialogSelectDirectory } from "@/components/dialog-select-directory"
 import { DialogSelectServer } from "@/components/dialog-select-server"
 import { useServer } from "@/context/server"
+import { useGlobalSync } from "@/context/global-sync"
 
 export default function Home() {
   const sync = useGlobalSync()
@@ -24,6 +24,7 @@ export default function Home() {
 
   function openProject(directory: string) {
     layout.projects.open(directory)
+    server.projects.touch(directory)
     navigate(`/${base64Encode(directory)}`)
   }
 

packages/app/src/pages/layout.tsx

@@ -88,6 +88,7 @@ export default function Layout(props: ParentProps) {
   onCleanup(() => xlQuery.removeEventListener("change", handleViewportChange))
 
   const params = useParams()
+  const [autoselect, setAutoselect] = createSignal(!params.dir)
   const globalSDK = useGlobalSDK()
   const globalSync = useGlobalSync()
   const layout = useLayout()
@@ -101,6 +102,7 @@ export default function Layout(props: ParentProps) {
   const dialog = useDialog()
   const command = useCommand()
   const theme = useTheme()
+  const initialDir = params.dir
   const availableThemeEntries = createMemo(() => Object.entries(theme.themes()))
   const colorSchemeOrder: ColorScheme[] = ["system", "light", "dark"]
   const colorSchemeLabel: Record<ColorScheme, string> = {
@@ -400,6 +402,43 @@ export default function Layout(props: ParentProps) {
     return layout.projects.list().find((p) => p.worktree === directory || p.sandboxes?.includes(directory))
   })
 
+  createEffect(
+    on(
+      () => ({ ready: pageReady(), project: currentProject() }),
+      (value) => {
+        if (!value.ready) return
+        const project = value.project
+        if (!project) return
+        const last = server.projects.last()
+        if (last === project.worktree) return
+        server.projects.touch(project.worktree)
+      },
+      { defer: true },
+    ),
+  )
+
+  createEffect(
+    on(
+      () => ({ ready: pageReady(), layoutReady: layoutReady(), dir: params.dir, list: layout.projects.list() }),
+      (value) => {
+        if (!value.ready) return
+        if (!value.layoutReady) return
+        if (!autoselect()) return
+        if (initialDir) return
+        if (value.dir) return
+        if (value.list.length === 0) return
+
+        const last = server.projects.last()
+        const next = value.list.find((project) => project.worktree === last) ?? value.list[0]
+        if (!next) return
+        setAutoselect(false)
+        openProject(next.worktree, false)
+        navigateToProject(next.worktree)
+      },
+      { defer: true },
+    ),
+  )
+
   const workspaceName = (directory: string) => store.workspaceName[directory]
   const workspaceLabel = (directory: string, branch?: string) =>
     workspaceName(directory) ?? branch ?? getFilename(directory)
@@ -791,6 +830,7 @@ export default function Layout(props: ParentProps) {
 
   function navigateToProject(directory: string | undefined) {
     if (!directory) return
+    server.projects.touch(directory)
     const lastSession = store.lastSession[directory]
     navigate(`/${base64Encode(directory)}${lastSession ? `/session/${lastSession}` : ""}`)
     layout.mobileSidebar.hide()