Jadpo is experimental and not ready for production. These docs follow the compiler's main branch as of 30 Oct 2026. What's built · Install 0.1.0
jadpo
Reference: Identity

Identity · rule

type.auth_principal_input

Input field holds a caller.

Area 8, Identity; not declinable; the next step is usually the agent's.

example
principal {    user: {        subject: Member.handle    }}type Handle = Text {    max_length: 40}entity Member {    id: Uuid    handle: Handle {        unique: true    }}type ActAs = Input {    caller: Principal.user}
text
error: `ActAs.caller` holds a caller --> main.jadpo:19:13   |19 |     caller: Principal.user   |             ^^^^^^^^^^^^^^ a caller  reason: A caller comes only from signing in, never from what a request sends, so a route takes it as `current_principal` and passes it on.  next: Remove `caller`, and pass `current_principal` to what the route runs (agent)  rule: type.auth_principal_input  help: https://jadpo.dev/docs/errors/type.auth_principal_inputcheck failed: 1 error, 1 file

Markdown for agents: /docs/errors/type.auth_principal_input.md.Built from Jadpo main at a707efb.