fix(persona): always call sidecar, even in PREVIEW_MODE

app/main.py

@@ -590,17 +590,6 @@ async def set_persona(body: PersonaRequest, request: Request) -> Any:
 
     log.info("%s binding persona %r (voice=%s backend=%s)", user["email"], slug, voice, backend)
 
-    if PREVIEW_MODE:
-        # In preview mode just echo success
-        return {
-            "ok": True,
-            "slug": slug,
-            "display": canonical["display"],
-            "voice": voice,
-            "backend": backend,
-            "preview": True,
-        }
-
     ok = await _sidecar_bind(session_id, slug, voice, backend)
     if not ok:
         raise HTTPException(status_code=502, detail="sidecar bind failed")
@@ -623,9 +612,6 @@ async def get_persona(request: Request) -> Any:
 
     session_id = _session_id_for_user(user["email"])
 
-    if PREVIEW_MODE:
-        return {"slug": None, "display": None, "bound": False}
-
     binding = await _sidecar_get_binding(session_id)
     if not binding:
         return {"slug": None, "display": None, "bound": False}