Glossary

Capability — A versioned, named service contract with declared operations.

Canvas — Sandboxed HTML/CSS/JavaScript panel positioned by Click’s trusted shell.

Click — Browser-delivered C++/Dear ImGui workspace and panel broker.

Definition — Reusable panel source/package metadata. One definition may have many instances.

Generation — One immutable running incarnation of an OCI plugin, with its own scope and sockets.

Host — Rust authority for policy, workspaces, plugin lifecycle, storage, resources and evidence.

HPP/2 — Plugin-initiated bidirectional gRPC protocol over a generation-private Unix socket.

Instance — One active placement of a reusable panel definition in a workspace.

Pin — Administrative demand that keeps an enabled plugin running.

Scope — Hierarchical owner of effects, leases, subscriptions and teardown.

Workspace — Named virtual desktop containing definitions, instances and desktop layout.