station-v0.17

Marketplace Shape 1 — browse + install for the RailCall workflow marketplace.

Ships:

• railcall market list/get/install CLI — browse 7,240 governed workflow templates, install any of the 50 curated exemplars with one command
• Live at railcall.ai/marketplace + railcall-core.onrender.com/v1/market/*
• P0-1 CLI seed_store integration (was landed to main after v0.16 but never cut in a release — this closes that gap)
• Post-checkout success page now seat-aware for per-seat subscribers

Sha-256 (verify before pinning):

bc80a82ce0fe1c60c40a53cb5bf9be0f903f09bd03ae9ac88b9e0e449938d2df  railcall_station.tar.gz

engine=9521956fd core=680e007