Add the two timeout flavours, both surfacing as ordinary events matched
in on-state arms:
- cx.state_timeout(d): fires a state_timeout event after d in the current
state, auto-reset by the loop on every real transition.
- cx.timeout(name, d): fires a timeout(name) event after d, surviving state
changes, keyed by name, with cx.cancel_timeout(name).
Both ride the existing timer min-heap via send_after_to onto a new per-loop
system channel, selected above the inbox so a fire can't be starved by inbox
traffic. A local-id stamp on each fire lets a reset/cancel that loses the race
discard a stale fire. The macro grows an info: clause and folds three internal
Ev variants (Info, StateTimeout, Timeout) alongside cast/call, with new row
keywords info / state_timeout / timeout. Unmatched info silently drops (the
gen_server default); state/named timeouts have no default, so a state that can
see one must handle it or the match is non-exhaustive.
Rename the hand-written expansion-target example fused -> expanded, retire the
deprecated Switch demo machine (its round-trip / enter / panic-down coverage
moves onto the timer machine), and refresh the macro docs to the door machine.
cargo build --all-targets warning-free; cargo test green.
- rename StatemRef/StatemCallError/StatemSendError -> GenStatem*
- move the inline unit test out of src; consolidate the Switch coverage
onto a single macro-driven harness in tests/gen_statem.rs
- drop the redundant hand-written Switch test machine and the two
untracked rejected-direction probes (succ_enums, typed_edges)
- rename examples statem_{fused,macro}.rs -> gen_statem_{fused,macro}.rs
- strip RFC/chunk/spike provenance and fix the mislabeled "throwaway"
example header and dead cross-references
smarm-agent