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refactor(stage1-r): rename the strategy-output param namespace exposure -> bias

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Complete the deferred rename tail from cycle 0065's #126 (which renamed only the
typed metric, keeping the param namespace uniformly "exposure" so the single-run
rename would not smuggle in a ~30-site sweep-pinned change). Now renamed together
as one consistent unit, all driven by the Bias node's instance name:

- Bias::builder().named("exposure") -> .named("bias") (the harness builders +
  the engine fixtures in test_fixtures.rs / blueprint.rs);
- the derived knob path exposure.scale -> bias.scale (Composite::param_space
  derives the knob from the node name) -- the sweep .axis/.range bindings and
  .with() points (blueprint.rs, main.rs), the walkforward ParamSpecs
  (walkforward.rs), the member_key dir names, and the JSON byte-pins in
  cli_run.rs / report.rs / main.rs tests;
- the exposure_scale manifest param label -> bias_scale (the single-run manifest
  builders + the streaming_seam / real_bars fixtures).

The rename is surgical: the three targets (named("exposure"), exposure.scale,
exposure_scale) are syntactically distinct from the deliberately-kept "exposure"
forms, which are untouched -- SimBroker's pre-reframe exposure input slot +
prev_exposure + the exposure-integral; the LongOnly / gate / latch ports named
"exposure"; and the on-disk "exposure" tap label (the recorded bias series that
feeds `chart --tap exposure`, decoupled from the node name via
ColumnarTrace::from_rows("exposure", ...)).

No on-disk back-compat break: the knob path is a runtime param address, and
recorded params in old runs.jsonl / families.jsonl are inert data strings (a
pre-existing recorded "exposure.scale" still loads, it is just data).

INDEX.md cycle-0065 realization note amended: the param namespace is recorded as
the now-completed tail; the SimBroker slot + the on-disk tap label remain the
deliberate permanent keeps (#117), and exposure_sign_flips stays a serde alias.

Verified: cargo build --workspace --all-targets clean; clippy --all-targets
-D warnings clean; full suite 514 passed / 0 failed (source + byte-pins renamed
together); live `aura run` emits "bias_scale", `aura sweep` emits "bias.scale".

closes #134
refs #126 #117
This commit is contained in:
Brummel
2026-06-24 14:40:51 +02:00
parent 5c6de45b6e
commit 68605b7d88
10 changed files with 65 additions and 62 deletions
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docs/design/INDEX.md
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@@ -606,9 +606,12 @@ runnable GER40 examples (already at the correct `1.0`) are routed through the sa
lookup separately (#98).
**Realization (cycle 0065 — Stage-1 R signal quality, #119/#126/#127/#128/#129).**
The Stage-1 chain above is now built. `Exposure → Bias` renames the unsized strategy
output (the node + its output field); the persisted `exposure_sign_flips` metric key,
the `SimBroker` `exposure` input slot, and the `exposure_scale` manifest param keep
the old name as **serde-stable residue** — a deferred rename tail. A **stop-rule**
output (the node + its output field); the persisted `exposure_sign_flips` metric key
(kept as a serde alias) and the `SimBroker` `exposure` input slot + the on-disk
`exposure` **tap** label (a deliberate permanent keep, #117) retain the old name. The
strategy-output **param namespace** — the `Bias` instance, its `bias.scale` knob, and
the `bias_scale` manifest param — was the deferred rename tail, **completed in #134**
(the knob path is a runtime address, so no on-disk back-compat break). A **stop-rule**
defines 1R: `FixedStop` (a triggered-constant primitive) and a `vol_stop(length, k)`
**composition** `k·√EMA(Δ²)` (the originally-fused node was corrected to a composition
of new `Mul`/`Sqrt` primitives — a node is a primitive only if not DAG-expressible