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docs(ledger, glossary): the stderr class-marker grammar joins C14

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Iteration stderr-markers-2 close, task 5 of the stderr-class-markers
plan. C14's Current state gains the marker paragraph — note/warning
classes for continuing-run diagnostics, bare `aura: ` for exit-carrying
error lines and plain info lines, grep-stable grammar, single source in
aura-cli/src/diag.rs — and the glossary gains the `stderr class marker`
entry. No new C-number: C14 already owns the CLI stderr conventions and
the exit-code partition this grammar completes (derivation logged on
the #278 decision thread).

With this the milestone promise is shipped: the two diagnostic classes
are machine-separable on stderr (#278), and the all-zero-trade
walk-forward announces itself instead of completing silently (#313).
Exit-code semantics unchanged throughout.

closes #278
closes #313
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Claude
2026-07-23 23:36:08 +02:00
parent 1102d776df
commit 913d18755e
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@@ -305,6 +305,10 @@ System Quality Number — `√n · mean_R / stdev_R`: the dispersion- and trade-
**Avoid:** — (superseded)
**Superseded (2026-06-28 C10 reframe): there is no Stage-2 currency/compounding gate.** Research is one pure feed-forward R loop — gross R → net R via the `cost model` — with money, compounding, and a real broker living only at a separate later **live / deploy edge** (compounding is a post-hoc money-management transform of the net-R sequence, not an in-loop axis). The pre-reframe cleave gated a Stage-2 currency / fixed-fractional / realistic-broker layer behind `E[R] > 0`; **"Stage-1"** now survives only as a historical cycle name — the shipped feed-forward R chain's identifier family was renamed to the r-family (`r-sma` / `r-breakout` / `r-meanrev`, #174) — not one half of a two-stage gate.
### stderr class marker
**Avoid:** log level, severity tag
The stable prefix pair separating diagnostics on a continuing run: `aura: note: ` marks a benign, expected outcome (exit code unaffected), `aura: warning: ` a recorded fault or suspect condition the run survives. Error lines that accompany a non-zero exit and plain info lines keep the bare `aura: ` prefix — for errors, the exit-code partition (C14) is the machine contract.
### strategy
**Avoid:** —
A reusable composite-node blueprint — broker-, data-, and viz-independent, inputs declared as named roles — whose output is the **bias** stream (unsized direction + conviction; not an equity curve, not a size; sizing and the position table are derived downstream layers). Frozen with a broker into a bot for deploy.