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Aura/fieldtests/m1-self-description/s2_execution_pulse_idiom/README.md
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claude 9124275bf3 fieldtest: m1-self-description — 5 examples, 1 bug / 3 friction / 3 spec-gap
Binary-only milestone fieldtest for milestone 36 (self-description): a
fieldtester agent bootstrapped from the release binary (d26f0c8) alone —
no engine sources, no repo docs, no bootstrap card — and drove five
end-to-end scenarios: cold bootstrap -> author -> validate (green,
synthetic + real EURUSD, 3944 trades), execution semantics +
latch/edge-pulse idiom (green), vocabulary breadth (33 nodes / 7 folds /
17 metrics / 6+6 blocks, every entry with a meaning), document ramp from
a bare {} (green, 3 members), trace/measurement path (dead-ends,
tracked).

Verdict: the bootstrap card (#267, closed as superseded) is empirically
redundant for the bootstrap->author->validate spine. Two seams keep the
promise short of end-to-end, both tracked outside M1: the declared-tap
drop on the registration path (#327, the missing mechanism of #312/M6)
and the sugar<->document axis namespace (#328, prerequisite of the #319
retirement). Friction routed: #329 #330 #331; evidence comments on #312
and #324. Milestone 36 closed with this adjudication; the fieldtest spec
remains the usual git-ignored working file.

refs #267, refs #312, refs #319
2026-07-24 11:06:22 +02:00

1.9 KiB
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s2 — execution semantics + one-shot/pulse idiom

Protected property: from the surfaces alone a consumer can learn (a) what the strategy's output stream means, (b) how it is executed against a protective stop, and (c) the signal-side idiom the surfaces recommend when a held one-shot / pulse behaviour is wanted — and can author that idiom to a green run.

What the surfaces say

  • aura --help: "a strategy emits a bias in [-1,+1] per cycle, held as the continuously-tracked target position; a protective stop defines the risk unit R, and signal quality is measured in R."
  • Node schemas make the execution layer concrete: Bias (clamp to [-1,+1]), FixedStop (price → stop_distance, defines R), PositionManagement (bias + price + stop_distance + size → managed position in R). The built-in run/sweep harness supplies this risk executor automatically.
  • The scaffolded CLAUDE.md: "Entry signals become held state via the signal-side latch/edge-pulse idiom (see aura graph introspect --vocabulary)."

Authored idioms (both build + validate green)

  • latch_hold.oplist.json — momentary crossover events → held state via Latch (set = fast>slow, reset = slow>fast), held level → Bias. Runs green (2543 trades over EURUSD 2020-01..03).
  • edge_pulse.oplist.json — the complementary one-shot pulse, built as the first-difference of the latched level (Delay(lag=1) + Sub) fed to Bias (+1 on entry edge, 1 on exit edge, 0 held). Builds + validates green.

Friction recorded

The CLAUDE.md names the "latch/edge-pulse idiom" and points to graph introspect --vocabulary, but that surface only lists node one-liners — it lists Latch but no edge/pulse primitive and no composition recipe. The pulse is constructible (Latch→Delay→Sub→Bias), but the consumer must infer the first-difference recipe; the pointer resolves to a list, not a recipe.