thal 0.0.1

Reactive semantic runtime — molecules, reactions, and effect actors for building LLM-backed applications as dataflow programs.
Documentation 
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// v0 hello-world: a Timer source actor emits Tick molecules every 100ms,
// and a CountTicks reaction increments a singleton Counter via merge.
// Initial state (the Timer config) is emitted by an Init reaction over Boot.

molecule Tick {
    sequence: Int
    ts:       Timestamp
    primary_key: sequence
}

molecule Counter {
    value: Int { default: 0 }
    ts:    Timestamp
    primary_key: ()
    merge: |old, new| Counter { value: old.value + 1, ts: now() }
}

reaction CountTicks {
    when: Tick(t)
    emit: Counter { value: 1, ts: t.ts }
}

reaction Init {
    when: Boot(b)
    emit: Timer { interval: 100ms }
}