Crate folk_core 

Folk application server core: config, worker pool, plugin registry.

See folk-spec/spec/01-architecture.md for the role of this crate.

Modules

config

Configuration loading.

health_registry

Concrete HealthRegistry impl.

logging

tracing initialization.

metrics_registry

Concrete MetricsRegistry over the prometheus crate.

plugin_registry

Plugin registry — owns the boot/shutdown ordering.

rpc_registry

Concrete RpcRegistrar impl for folk-api.

rpc_server

Admin RPC server: Unix socket listener that dispatches to registered handlers.

runtime

Abstraction over how PHP workers are spawned.

server

FolkServer: the lifecycle owner for the Folk application server.

worker_pool

Worker pool: dispatches requests to PHP workers, manages slot lifecycle.

worker_slot

Per-slot state for one worker.