feat(core): allow passing workspaceID into session create endpoint (#16798)

packages/opencode/src/cli/cmd/tui/app.tsx

@@ -402,9 +402,12 @@ function App() {
         const current = promptRef.current
         // Don't require focus - if there's any text, preserve it
         const currentPrompt = current?.current?.input ? current.current : undefined
+        const workspaceID =
+          route.data.type === "session" ? sync.session.get(route.data.sessionID)?.workspaceID : undefined
         route.navigate({
           type: "home",
           initialPrompt: currentPrompt,
+          workspaceID,
         })
         dialog.clear()
       },

packages/opencode/src/cli/cmd/tui/component/dialog-workspace-list.tsx

@@ -47,7 +47,7 @@ async function openWorkspace(input: {
   }
   let created: Session | undefined
   while (!created) {
-    const result = await client.session.create({}).catch(() => undefined)
+    const result = await client.session.create({ workspaceID: input.workspaceID }).catch(() => undefined)
     if (!result) {
       input.toast.show({
         message: "Failed to open workspace",

packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx

@@ -37,6 +37,7 @@ import { DialogSkill } from "../dialog-skill"
 
 export type PromptProps = {
   sessionID?: string
+  workspaceID?: string
   visible?: boolean
   disabled?: boolean
   onSubmit?: () => void
@@ -542,7 +543,9 @@ export function Prompt(props: PromptProps) {
 
     let sessionID = props.sessionID
     if (sessionID == null) {
-      const res = await sdk.client.session.create({})
+      const res = await sdk.client.session.create({
+        workspaceID: props.workspaceID,
+      })
 
       if (res.error) {
         console.log("Creating a session failed:", res.error)

packages/opencode/src/cli/cmd/tui/context/route.tsx

@@ -5,6 +5,7 @@ import type { PromptInfo } from "../component/prompt/history"
 export type HomeRoute = {
   type: "home"
   initialPrompt?: PromptInfo
+  workspaceID?: string
 }
 
 export type SessionRoute = {

packages/opencode/src/cli/cmd/tui/routes/home.tsx

@@ -121,6 +121,7 @@ export function Home() {
               promptRef.set(r)
             }}
             hint={Hint}
+            workspaceID={route.workspaceID}
           />
         </box>
         <box height={4} minHeight={0} width="100%" maxWidth={75} alignItems="center" paddingTop={3} flexShrink={1}>