Web.revision: def of ezmcp@0.1.0.0
Import: import ezmcp@0.1.0.0/src/web.bend as Web
Lines 134-137 of ezmcp@0.1.0.0/src/web.bend: https://jend.leeeet.dev/read.txt?path=ezmcp@0.1.0.0/src/web.bend&start_line=134&end_line=137

import Base
import ezmcp@0.1.0.0/src/server.bend as Server

# the revision a request is read by: its MCP-Protocol-Version, or 2025-03-26
# when it has none (basic/transports#protocol-version-header)
def revision(+val: String) -> String:
  Bool.pick(String, String.is_empty(val), Server.oldest(), val)

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.is_empty
  https://jend.leeeet.dev/definition.txt?path=ezmcp@0.1.0.0/src/server.bend&name=oldest