Variable STANDARD_FEEDS`Const`

STANDARD_FEEDS: readonly [
    "get_plenary_sessions",
    "get_meeting_foreseen_activities",
    "get_voting_records",
    "get_meps",
    "get_political_groups",
    "get_committee_info",
    "get_procedures",
    "get_external_documents",
] = ...

Standard EP MCP feeds reused across horizons.