fix(web): expose Codex Fast and Plan on Create Session (#1017)

* fix(web): expose Codex Fast and Plan on Create Session

Wire serviceTier and collaborationMode through spawn so Create can set
the same Codex options chat Settings already supports (#1015).

Co-authored-by: Cursor <cursoragent@cursor.com>

* fix(cli): forward collaborationMode through machine spawn RPC

Create Session Plan was accepted by the hub but dropped in apiMachine
before buildCliArgs; also preserve collaborationMode on resume spawn.

Co-authored-by: Cursor <cursoragent@cursor.com>

* fix(cli): correct stopSession mock type in spawn RPC test

Co-authored-by: Cursor <cursoragent@cursor.com>

* fix(web): keep Fast mode across Create draft restore while models load

Co-authored-by: Cursor <cursoragent@cursor.com>

* fix(web): preserve pending Fast selection

* fix: apply Fast and Plan to imported Codex sessions

* test: narrow imported Codex session id

* fix: forward explicit Standard service tier

* fix: integrate create-session controls with current main

* test: close Codex RPC suite

* fix: preserve existing session spawn field

* fix(web): integrate Codex controls with current New Session form

* fix(web): reconcile draft types and submit state

* fix(hub): integrate spawn arguments with current resume flow

* test(cli): isolate spawn RPC suite

---------

Co-authored-by: Cursor <cursoragent@cursor.com>

web/src/api/client.ts

@@ -629,7 +629,9 @@ export class ApiClient {
         sessionType?: 'simple' | 'worktree',
         worktreeName?: string,
         effort?: string,
-        permissionMode?: PermissionMode
+        permissionMode?: PermissionMode,
+        serviceTier?: 'fast' | 'standard',
+        collaborationMode?: 'default' | 'plan'
     ): Promise<SpawnResponse> {
         return await this.request<SpawnResponse>(`/api/machines/${encodeURIComponent(machineId)}/spawn`, {
             method: 'POST',
@@ -642,7 +644,9 @@ export class ApiClient {
                 sessionType,
                 worktreeName,
                 effort,
-                permissionMode
+                permissionMode,
+                serviceTier,
+                collaborationMode
             })
         })
     }