Pakistani military spokesman says the Pakistani military is ‘cautiously optimistic’ on Iran-US mediation; warns of ‘powerful spoilers’

• There is no bar on Iran joining the Mecca Joint Defence Alliance; decision rests with the three principal parties
• More troops for Saudi defence depend on the situation and a political decision

Islamabad has occupied an intermediary seat between Washington and Tehran in prior de-escalation episodes, and statements from the military spokesman rather than the foreign office are the channel through which Pakistan signals positions it wants heard in both capitals. The qualifier pairing, cautious optimism alongside a warning about spoilers, is the standard phrasing when talks are live but fragile: it keeps the mediation narrative intact while pre-emptively assigning blame for any breakdown, a framing that has preceded both successful truces and abrupt collapses in comparable negotiations. The reference to a Saudi-centred joint defence arrangement and conditional troop commitments is the more material element, since Pakistan's willingness to underwrite Gulf security has historically tracked both the Saudi relationship and Islamabad's own fiscal needs, and any visible deepening of that axis feeds into Iran's threat calculus directly. The established market transmission runs through crude's geopolitical premium and shipping and insurance costs around Gulf chokepoints rather than through Pakistani assets, which are too small to clear risk globally. Worth watching are whether the spoilers warning is followed by a named attribution, whether the three principal parties referenced acknowledge the defence arrangement publicly, and whether the next round of US-Iran contact is confirmed. Until one of those follow-ons materialises, this is positioning language rather than a hard signal.