@startuml

participant "Zed App" as app
participant "Zed HTTP server" as server
participant "Zed RPC server" as rpc_server

app -> server: POST worktrees\n(user id, access token)
server -> app: OK\n(worktree id, RPC server address)

app -> rpc_server: Connect to the given RPC server address
app -> rpc_server: **Auth**\n(user id, access token)
rnote over rpc_server: Load access token hashes for user.\nVerify that one matches the given access token.
rpc_server -> app: **AuthResponse**\n(credentials valid)

app -> rpc_server: **ShareWorktree**\n(worktree_id, file paths, file digests)
rnote over rpc_server: Load existing files.\nIdentify which are needed.
rpc_server -> app: **ShareWorktreeResponse**\n(needed path indices)

@enduml