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}>

packages/opencode/src/session/index.ts

@@ -219,6 +219,7 @@ export namespace Session {
         parentID: Identifier.schema("session").optional(),
         title: z.string().optional(),
         permission: Info.shape.permission,
+        workspaceID: Identifier.schema("workspace").optional(),
       })
       .optional(),
     async (input) => {
@@ -227,6 +228,7 @@ export namespace Session {
         directory: Instance.directory,
         title: input?.title,
         permission: input?.permission,
+        workspaceID: input?.workspaceID,
       })
     },
   )
@@ -242,6 +244,7 @@ export namespace Session {
       const title = getForkedTitle(original.title)
       const session = await createNext({
         directory: Instance.directory,
+        workspaceID: original.workspaceID,
         title,
       })
       const msgs = await messages({ sessionID: input.sessionID })
@@ -292,6 +295,7 @@ export namespace Session {
     id?: string
     title?: string
     parentID?: string
+    workspaceID?: string
     directory: string
     permission?: PermissionNext.Ruleset
   }) {
@@ -301,7 +305,7 @@ export namespace Session {
       version: Installation.VERSION,
       projectID: Instance.project.id,
       directory: input.directory,
-      workspaceID: WorkspaceContext.workspaceID,
+      workspaceID: input.workspaceID,
       parentID: input.parentID,
       title: input.title ?? createDefaultTitle(!!input.parentID),
       permission: input.permission,

packages/sdk/js/src/v2/gen/sdk.gen.ts

@@ -1295,6 +1295,7 @@ export class Session2 extends HeyApiClient {
       parentID?: string
       title?: string
       permission?: PermissionRuleset
+      workspaceID?: string
     },
     options?: Options<never, ThrowOnError>,
   ) {
@@ -1308,6 +1309,7 @@ export class Session2 extends HeyApiClient {
             { in: "body", key: "parentID" },
             { in: "body", key: "title" },
             { in: "body", key: "permission" },
+            { in: "body", key: "workspaceID" },
           ],
         },
       ],

packages/sdk/js/src/v2/gen/types.gen.ts

@@ -2764,6 +2764,7 @@ export type SessionCreateData = {
     parentID?: string
     title?: string
     permission?: PermissionRuleset
+    workspaceID?: string
   }
   path?: never
   query?: {