Commit Graph

122 Commits

Author SHA1 Message Date
Brummel 29bf601558 audit: param-gang cycle close — drift-clean, mirror-walk interleave pinned
Architect review over 962b249..fc9cf23: clean. What holds: check_gangs is the
single structural predicate at all three minting boundaries (builder.rs:226,
construction.rs:396, blueprint_serde.rs:222 — the eager op arm is the
sanctioned by-identifier subset, connect/edge_kind_check precedent); identity
stays debug-name-blind per #171 (gang/member names blanked, (node,pos,kind)
survives); format version 1 + Tier-2 dormancy note consistent across code and
C24 ledger; no stale two-axis / 'separate #61' claims survive in docs or
comments; commit-body deviation claims verified true against the diff.

The one [low] finding — the new collect_params<->expansion_map mirror-walk
lockstep pair untested for gang members interleaved with other open params —
is closed here (fix disposition) with
ganged_interleave_shift_through_matches_member_bound_twin: LinComb.weights[1]
ganged with Bias.scale while weights[0] stays open earlier on the SAME node
and Sma.length follows the gang in walk order; equality asserted on
param_space order, wiring, and full run traces vs the member-bound twin.
Load-bearingness proven by an injected double-count bug failing the test.

Verified: aura-engine lib 265/0, clippy -D warnings clean.

refs #61
2026-07-10 14:19:39 +02:00
Brummel bc88e18247 feat(engine,cli): GraphBuilder gang cadence + render carrier (#61 tasks 5-6)
Builder: NodeHandle::param -> ParamRef, GraphBuilder::gang, build() resolves
the gang table (collect-then-reject, BuildError::{UnknownParam,AmbiguousParam,
BadGang}) and terminates in Composite::with_gangs — the same predicate the
op-script and serde boundaries use. C24 lockstep extended: an op-script gang
replay serializes byte-identically to the GraphBuilder twin (FlatGraph edges +
sources + canonical JSON).

Render: model_to_json emits a per-scope gangs fragment (name, kind, [node,pos,
"param"] members) for ganged scopes only — the gang-free model stays
byte-identical (model_golden untouched). graph-viewer.js annotates a ganged
open param with its public knob name; guarded by a viewer_gang_param.{mjs,rs}
pair RED-first per the established viewer_bound_param convention (a welcome
extra beyond the plan's file list).

Ratified deviation: the model's kind string uses the serde form ("I64") — the
plan's implementation snippet (kind_str -> "i64") contradicted its own test;
resolved toward the test + the blueprint_serde form. Two quality nits held as
principled plan-holds (inline resolution block; the unreachable unwrap_or
placeholder check_gangs refuses first).

Verified: aura-engine lib 264/0 (model_golden, lockstep, builder, carrier all
green), viewer_gang_param 1/0, workspace clippy -D warnings clean. Slice
resumed across a transient API failure via workflow resume (cached prefix).

refs #61
2026-07-10 13:03:10 +02:00
Brummel 521cfc8b5b feat(engine,cli): gang serde + identity + the gang construction op (#61 tasks 3-4)
Serde: CompositeData carries an additive-optional gangs section (omitted when
empty — every existing v1 document round-trips byte-identically, NO
format-version bump per the #61 decision; BLUEPRINT_FORMAT_VERSION doc now
records the pre-ship Tier-2 dormancy). project() emits gangs canonically
(members by (node,pos), gangs by first member) so declaration order never
reaches the content id; reconstruct() re-mints through Composite::with_gangs
and a corrupted section refuses as the new typed LoadError::Gang.
strip_debug_symbols blanks gang + member names, keeps (node,pos,kind) — the
identity id stays gang-name-blind and gang-structure-sensitive.

Construction: Op::Gang { as_name, into } with the feed-style two-phase eager
arm (member resolution against the post-bind schemas, kind uniformity,
single-gang membership; OpError::{GangKindMismatch,AlreadyGanged,GangArity});
finish() routes the assembled composite through with_gangs, and gang-name
collisions surface via the existing injectivity gate on the projected space.
CLI: OpDoc::Gang ({"op":"gang","as":…,"into":[…]}), kind_label/From/
format_op_error arms, and format_load_error phrases gang faults as prose
(gang_fault_prose) instead of leaking Debug — a ratified improvement over the
plan bytes.

Held quality nit (principled plan-hold): gang()'s inline collect-then-reject
param resolution is the module's established convention (bind/try_bind); a
shared cross-crate helper is out of this task's scope.

Verified: workspace build clean, aura-engine lib 258/0, aura-cli
graph_construct 48/0 (incl. the new gang-op e2e), clippy -D warnings clean.

refs #61
2026-07-10 11:57:16 +02:00
Brummel 123620442f feat(engine): gang param-space projection + compile-front point expansion (#61 task 2)
param_space()/derive_signature project each frame's gang table: member
addresses are skipped, the gang's single public address (prefixed like any
knob at that frame) is emitted once at its FIRST member's raw position — so
every consumer of param_space (binders, grids, campaign axes, --list-axes,
registry coverage) inherits the gang with zero changes.

compile_with_cells expands the public point back onto the raw layout via
expansion_map (the collect_params mirror walk): a gang's cell is duplicated
into every member slot, un-ganged slots pass through. For a gang-free
blueprint the map is the identity and behaviour is byte-identical; the
lower_items cursor walk and all build closures are untouched.

The load-bearing equivalence is pinned in-module (ganged compile == the
member-bound un-ganged twin, bit-identical wiring and run output) and again
from OUTSIDE the crate in tests/gang_e2e.rs — the C24 consumer seam a
project crate or the World actually uses.

Verified: cargo test -p aura-engine 253/0 lib + 5/0 gang_e2e (all groups
green), workspace clippy -D warnings clean. RED-first evidenced by the loop
via temporary call-site reversion (all 4 new tests failed for the expected
reason, then the implementation was restored).

refs #61
2026-07-10 10:37:51 +02:00
Brummel 5eedf060dd feat(engine): gang data model + validation gate (#61 task 1)
One public knob fanning into >=2 sibling params: Gang/GangMember types
(the Role name/targets split + BoundParam pos/name dual), Composite.gangs
behind the single fallible Composite::with_gangs gate, check_gangs as the
shared $A predicate (all three future minting boundaries route here), and
CompileError::BadGang(GangFault) as the typed refusal.

PrimitiveBuilder::original_pos (aura-core) extracts bind's pos-reconstruction
loop verbatim so gang members and BoundParam share one coordinate space.

Deviation ratified vs the plan: GangFault::KindMismatch carries structural
{node, name} coordinates instead of a stringly member label, consistent with
the sibling arms (plan amended). A redundant test-local fixture wrapper was
dropped after a fresh quality re-review of the blocked task diff.

Verified: cargo test -p aura-engine --lib 249/0, -p aura-core 53/0, clippy
-D warnings clean on both crates.

refs #61
2026-07-10 10:12:18 +02:00
Brummel 07a73fb66e docs(cli,ledger): sweep #159 demo-retirement drift — stale comments + ledger notes
Cycle-close audit tidy for the #159 demo-retirement arc: behaviour-free
reword of prose/comments/docs left pointing at symbols the arc deleted.
Adversarially verified by the audit workflow; cargo build --workspace
--all-targets green.

- README: drop the removed `--harness` token; restrict the legacy built-in
  form claim to walkforward/mc/generalize (run/sweep no longer resolve one).
- glossary: the built-in `--strategy` sweep surface is retired (#159), not a
  live inline path.
- INDEX.md ledger: append [HISTORY] supersession markers (house style) to the
  dated realization notes advertising the retired `--harness` / built-in
  `--strategy` CLI forms (cost-flag #153, cycles 0065/0066/0067, name-res,
  #210 status); historical text preserved.
- aura-engine test-fixture docs: drop dead cross-crate refs to the deleted
  aura-cli fns sample_harness / build_sample and the deleted `macd` composite.
- cli_run.rs: reword the #159-cut-2 pin doc to the current clap generic-usage
  reality (no strategy_from / Strategy::RBreakout); r_sma_sweep_family ->
  blueprint_sweep_family.
- verb_sugar.rs: fix the pre-existing `E[R]` unresolved-doc-link warning.

Remaining tidy — the main.rs comment cluster plus its rustdoc link at :1546
(the second cargo-doc warning) — held for a follow-up issue. The dead
cost-graph branch is tracked in #221. refs #159
2026-07-08 11:12:22 +02:00
Brummel ab778f2361 feat(campaign,registry,engine): record widenings + preflight v2 fault set (0108 tasks 1-2)
Task 1: RBootstrap and Generalization gain serde derives;
lineage.rs gains StageBootstrap (per_survivor | pooled_oos) and
CampaignGeneralization; StageRealization.bootstrap and
CampaignRunRecord.generalizations land serde-default sparse (a
pre-0108 campaign_runs.jsonl line still parses — pinned), threaded
None/empty through every literal site. No behaviour change.

Task 2: ExecFault::UnsupportedStage is gone; the preflight now admits
the v2 shape sweep [gate]* [wf]? [mc]? [generalize]? via a monotone
rank walk (precise per-pair PipelineShape prose) and statically
refuses: single-instrument generalize (GeneralizeNeedsInstruments),
non-R generalize metrics via check_r_metric (GeneralizeNonRMetric —
no fourth roster site), zero mc params (ZeroBootstrapParam). CLI
prose swapped accordingly. The loop's E2E phase added a tier-boundary
pin: process validate accepts [sweep, mc, walk_forward] while campaign
run refuses it data-free.

KNOWN RED (documented in the plan, flips in task 5):
crates/aura-cli/tests/research_docs.rs::campaign_run_v1_boundary_refuses_mc_process
still pins the retired 'not executable in v1' prose. Interim gates:
registry 57/0, campaign 33/0, cli --bin 111/0, workspace build clean.

refs #200
2026-07-04 00:38:25 +02:00
Brummel b43def7d75 feat(engine,registry): ListSpace + campaign-run realization store (0107 tasks 2-3)
aura-engine: ListSpace — explicit point set implementing Space beside
GridSpace/RandomSpace (a gate's survivor subset has no cartesian
structure); GridSpace-identical arity/kind validation reusing the
existing SweepError variants (KindMismatch.value_index carries the
point ordinal for a list); empty point list is valid and sweeps to an
empty family; re-exported at the crate root.

aura-registry: CampaignRunRecord/CellRealization/StageRealization/
StageSelection — the thin campaign-level linking record over untouched
family records (#198 decision 4) — with append_campaign_run (assigns
run via next_campaign_run, a parallel counter beside next_run) and
load_campaign_runs (missing file => empty) on the campaign_runs.jsonl
sibling store; blueprint_path and find_blueprint_by_identity promoted
to pub (the campaign executor resolves the same refs the referential
tier validates).

Gates: engine 290/0, registry 54/0, clippy -D warnings clean.

refs #198
2026-07-03 19:34:08 +02:00
Brummel 45fb06dba3 feat(engine+cli): topology-identity hash — --identity-id beside --content-id
Engine (aura-engine/blueprint_serde): blueprint_to_json factored into
build_doc/serialize_doc (byte-preserving — canonical golden unchanged) and
blueprint_identity_json added: the canonical document with every
non-load-bearing debug symbol (C23) blanked (composite name, instance
names, bound-param names, role names, output re-export names) while
everything load-bearing survives (type ids, node order, edges, role
targets/order, output pairs/order, bound pos/kind/value — openness stays
identity-bearing). Re-exported from lib.rs. Six property tests: renamed
twins (equal identity, unequal canonical), open-vs-bound, bound-value,
edge-swap, nested-composite interior names, role/output renames — the
last two are additive beyond the plan and cover the recursion and
role/output arms the planned four did not.

CLI (aura-cli): graph introspect gains --identity-id, a sibling of
--content-id through the same shared content_id SHA-256 primitive;
composite_from_str factored out of build_from_str (fault strings
byte-identical). The exactly-one introspect dispatch is DELIBERATELY
relaxed: the two id flags form one group and may combine — one build,
both ids, one per line, content id first. In-crate cross-path twin test
(Rust sma_signal vs op-script twin: distinct content ids, one identity
id) beside the existing cross-surface pins; four e2e tests incl. the
previously uncovered count!=1 usage exit-2 path.

topology_hash, the blueprint store, reproduce, and every --content-id
byte stay untouched (spec acceptance 3; all existing pins green).

Verification: cargo build clean; cargo test --workspace 884 passed /
0 failed (873 baseline + 11 new); clippy -D warnings clean; doc build
0 warnings. The implement-loop's Task-4 spec-compliance block was a
plan-byte count mismatch only (plan under-counted pre-existing
blueprint_serde tests 6-vs-7 and did not anticipate the two
sibling-accepted extra tests); gates re-run by hand, all green.

closes #171, refs #180
2026-07-02 21:24:18 +02:00
Brummel 4928e289f7 feat(project): the project-as-crate load boundary (cycle 0102)
A research project is now a loadable external cdylib crate. Inside a
directory whose ancestry holds an Aura.toml, aura discovers the project
root cargo-style, locates the compiled dylib via cargo metadata (debug
default, --release opt-in), loads it load-and-hold, and refuses
mismatches before trusting anything: the AURA_PROJECT descriptor
(aura-core::project, #[repr(C)]) carries a C-ABI stamp prefix (rustc +
aura-core version, baked per consuming build by the new aura-core
build.rs) validated before any Rust-ABI field is read. The vocabulary
charter gates the merged resolution: project type ids are ::-namespaced
(std stays bare), duplicates refuse, and the enumerable type-id list
must agree with the resolver, so introspection can never silently omit
a project type.

All blueprint verbs resolve through the merged project + std vocabulary
via a per-invocation Env threaded through the dispatch chains;
registry, trace-store, and data paths anchor at the project runs root
(Aura.toml [paths], paths-only by design — instrument geometry stays
the recorded sidecar, C15). RunManifest gains the Tier-1 project
provenance field (namespace + dylib sha256 + best-effort commit),
stamped beside topology_hash on the blueprint-run paths; pre-0102
registry lines load unchanged. Default node names strip the namespace,
so :: never reaches the param-path address space.

Proven by the demo-project fixture (built by the e2e via cargo,
path-dep on this workspace): run twice bit-identical, provenance
recorded, introspection lists demo::* beside std, registry anchors at
the discovered root from a subdirectory; the badcharter fixture proves
the charter refusal through the real libloading path; a never-built
project refuses with a cargo-build hint. Outside a project every path
collapses to the previous literals — goldens and manifest pins
byte-identical.

Verification: cargo build --workspace clean; cargo test --workspace 862
passed / 0 failed (incl. 7 project_load e2e); clippy -D warnings clean
(one precedent-matching allow(too_many_arguments) on run_oos_blueprint,
whose arity the Env threading raised to 8); doc build unchanged.
Docs/ledger aligned: Aura.toml field lists are paths-only in
project-layout.md, glossary, C16/C17; new C13 realization note records
the per-invocation-reload reading and the load-and-hold one-shot scope
boundary.

New deps, per-case review (aura-cli leaf binary only, never the frozen
artifact): libloading, toml.

refs #180
2026-07-02 18:13:37 +02:00
Brummel 4de6d5cbad rename: retire the stage1-* family for the r-family (r-sma / r-breakout / r-meanrev)
The stage1 ordinal has been dead vocabulary since the C10 reframe dropped
the two-stage research model: a 1 structurally implies a 2 that no longer
exists. The family is renamed by its live discriminator - the R yardstick -
with members named by their signal, uniform with their signal-named
siblings (sma, macd, momentum):

- selectors: stage1-r -> r-sma, stage1-breakout -> r-breakout,
  stage1-meanrev -> r-meanrev (old tokens are usage errors, exit 2 - no
  silent alias)
- identifiers: Strategy::RSma/RBreakout/RMeanRev, HarnessKind::RSma,
  r_sma_*/r_breakout_*/r_meanrev_*, wrap_r, run_signal_r, RGrid, R_SMA_*
- persisted identity: the sma_signal composite (param prefix
  sma_signal.fast.length / .slow.length; fixtures regenerated; content-ids
  shift - no test pins a literal hash, the registry parses no record names)
- e2e test files git-mv'd to r_sma_e2e / r_breakout_e2e / r_meanrev_e2e
- dead Stage-1/Stage-2 prose reworded to post-C10 vocabulary across
  rustdoc, Cargo.tomls, ledger live lines, and the glossary (historical
  entries stay; fieldtests corpus untouched)
- CLAUDE.md invariant 7 rewritten to record the ratified C10 reframe
  faithfully (the token-swap alone would have laundered the retired
  gated-currency/realistic-broker design into unmarked live prose); the
  unbacked account-mode clause dropped

Verification: cargo build/test --workspace green (51 targets), clippy
-D warnings clean, doc build clean, acceptance grep gate leaves exactly
the one resampling-stage false positive (harness.rs), smoke: --harness
r-sma runs, --harness stage1-r exits 2 with the new usage line.

Decision log: forks and rationale recorded on the issue (reconciliation
+ implementation-phase comments).

closes #174
2026-07-02 12:03:09 +02:00
Brummel ff4a1b3d4a feat(0092): run-from-blueprint infrastructure — restructure + topology_hash + shared seam (Tasks 1-3)
Cycle-1 infrastructure for #165 (World/C21). Behaviour-preserving + workspace
green; the CLI arm + tests (Tasks 4-5) follow.

Task 1 — restructured stage1_r_graph into stage1_signal() (the serializable
signal leg: SMA-cross -> Bias, a `price` input-role + a `bias` output) +
wrap_stage1r(signal, ...) (broker/sinks/exec/cost around a nested signal), with
stage1_r_graph() = wrap_stage1r(stage1_signal(...)). DEVIATION from the plan's
"callers untouched" claim, verified behaviour-preserving: nesting the signal
prefixes its param-space names (stage1_signal.fast.length), which broke the
sweep's bare .axis("fast.length"); fixed exactly as the #137 stop-knob machinery
does — FAST_LENGTH_SUFFIX/SLOW_LENGTH_SUFFIX suffix-resolution + stage1_r_friendly_name
arms mapping the prefixed names back to the bare manifest names. All observable
behaviour (manifest names, member keys, metrics, traces) byte-identical; the flat
graph and every metric unchanged (full suite green, incl. sweep/walkforward/MC).

Task 2 — RunManifest.topology_hash: Option<String> (Tier-1 optional, serde
default/skip — old manifests byte-identical, #156), threaded None into all 24
literal sites across 7 crates. Also fixed the aura-registry RunManifestRead
read-mirror to carry topology_hash (it was hardcoding None on load) — else a
stored hash would silently drop on the registry round-trip once Task 3 stores a
real one.

Task 3 — the shared run_signal_stage1r seam (hash the signal, wrap, compile with
params, bootstrap, run, manifest with params from param_space + topology_hash) +
the sha256_hex topology_hash helper (sha2 in aura-cli, off the frozen engine,
invariant 8). run_stage1_r now carries its topology_hash too (every run becomes
self-identifying, #158). The seam is unwired until Task 4 (transient
#[allow(dead_code)], retired there); RED-first seam tests added.

Verified: cargo test --workspace green (51 suites, 0 failures); cargo clippy
--workspace --all-targets -D warnings clean.

refs #165
2026-06-30 20:23:42 +02:00
Brummel 4a3ae05db2 test(graph_model): cover a producer backing >1 re-exported output field
#47 — close a coverage gap in the graph model serializer: a single interior
producer node backing more than one re-exported output field was never
exercised by a fixture (every existing one maps each output to a distinct
producer or a single field).

The issue was filed at cycle 0022 against `aura-cli/src/graph.rs`'s
`render_definition` / `output_binding` helper, which rendered a textual
`(n1, n2) := <producer>` tuple binding. That file and helper no longer exist —
the textual definition renderer was replaced by the JSON model emission now in
`aura-engine/src/graph_model.rs`, where the multi-OutField case is plain flat
iteration over `c.output()` (one `[name,kind]` entry + one `#N` boundary
binding per `OutField`, by `(node, field)`), not a special tuple-binding arm. So
the original branch is gone; this guards the flat emission that replaced it.

New test `multi_outfield_producer_emits_one_binding_per_field` (+ two fixtures):
a two-field producer (`hi`:f64, `lo`:i64 — distinct kinds, so the per-field
`field_kind` lookup is exercised) re-exported as both composite outputs, nested
in a root so it renders through `composite_def_json`. Asserts both fields
surface with their own kind (`"outputs":[["hi","f64"],["lo","i64"]]`) and both
bindings reference the same producer at distinct ordinals (`0.o0`/`#0`,
`0.o1`/`#1`).

Test-only; no production code touched (the behaviour was already correct).
Verified: cargo test -p aura-engine green (237 in the lib suite); clippy clean.

closes #47
2026-06-30 16:03:29 +02:00
Brummel cdd2da6337 feat(0090): blueprint format forward-compat — Tier-1 tolerance pinned, two-tier discipline codified (closes #156)
The blueprint data format (C24) extends additively under one codified
two-tier discipline:
- Tier-1 (additive-optional): a new optional field/section is tolerated by an
  older reader (serde ignores unknown fields — no deny_unknown_fields), with no
  format_version bump; by C1 a new optional field defaults to prior behaviour,
  so an old blueprint reproduces the same graph.
- Tier-2 (must-understand: a new node type, edge semantics, or structural-axis
  kind): bumps format_version, so an old reader refuses cleanly
  (LoadError::UnsupportedVersion / UnknownNodeType) rather than silently
  building a different graph.

Most of #156 already shipped with #155 (cycle 0087): the envelope, omit-defaults
canonical form, and both Tier-2 load-path refusals were present and green. This
cycle pins the one previously-unproven property — Tier-1 forward-tolerance of an
unknown optional field on the current loader — and codifies the discipline.

Changes:
- New characterization pin (in-crate, blueprint_serde.rs):
  unknown_optional_field_is_tolerated_byte_identically — an unknown optional key
  at doc and primitive level loads byte-identically and runs bit-identically.
- Two public-seam E2E pins (blueprint_serde_e2e.rs, added by the E2E phase):
  unknown_envelope_field_tolerated_through_public_api and
  unknown_primitive_field_tolerated_through_public_api — split the two distinct
  tolerance surfaces (envelope vs primitive) across the World/cdylib crate
  boundary, where a deny_unknown_fields added to one would break forward-compat
  while leaving the in-crate test green.
- LoadError::UnsupportedVersion doc reworded from the deferred "is #156" note to
  the settled two-tier discipline statement.
- C24 ledger (docs/design/INDEX.md): Status codification sentence added; #156
  dropped from Remaining (#158/#159 stay).

Derived fork (recorded on #156): the per-section required-flag mechanism (PNG
critical-vs-ancillary) is NOT built — the version envelope already gives the
must-understand refusal at version granularity, no current Tier-2 section
validates a finer scheme, and C1 holds either way.

The pin is a characterization test (GREEN on first run) — it documents existing
serde silent-ignore behaviour, no production code changed. Verified: cargo test
-p aura-engine green (all targets, three new tests confirmed by name); cargo
clippy --workspace --all-targets -- -D warnings clean.
2026-06-30 13:28:25 +02:00
Brummel f1ab81d1b8 feat(0089): construction diagnostics read by-identifier (closes #162)
The cycle-0088 fieldtest found three presentation defects on the construction
op-script surface, all where the surface dropped out of its by-identifier register.
Presentation only — every fault still fires identically (same exit code, same
op/finalize attribution); only the rendered cause changes.

- Item 1 (finalize by-identifier). The holistic finalize fault leaked the raw
  index Debug form (`UnconnectedPort { node: 2, slot: 1 }`). `GraphSession::finish()`
  now translates the three reachable index-carrying CompileErrors into new
  by-identifier OpError variants (UnconnectedPort{node,slot} / RoleKindMismatch{role}
  / UnboundRootRole{role}) using the session's `ids`/`schemas` and the composite's
  `input_roles()` — the holistic gate calls (validate_wiring,
  check_param_namespace_injective, check_root_roles_bound) stay byte-for-byte
  unchanged (C24: no second validator; only the `.map_err` closures changed).
  `aura graph build` now prints `finalize: slot sub.rhs is unconnected`.
- Item 2 (bind mismatch prose). `format_op_error`'s BadParam arm matches the
  BindOpError variants instead of `{:?}`: `op 1 (add): param fast.length expects I64
  but got F64`, matching the connect mismatch register.
- Item 3 (discoverable bind form). `introspect --node` shows the typed-Scalar bind
  form: `param length:I64  (bind {"I64": <v>})`.

Item 1 spans both crates atomically (adding OpError variants forces the exhaustive
format_op_error match; the finish() translation flips behavioural test pins in both
crates). Five test touches: the two in-file unit tests, the two E2E twins plan-recon
found that the spec's testing strategy under-enumerated
(construction_e2e.rs, tests/graph_construct.rs), and a new unbound-root-role test;
the implementer added RoleKindMismatch / Ambiguous/UnknownParam coverage too. The
CLI finalize test was tightened (orchestrator) to pin `sub.rhs` and the absence of a
raw `node:` index.

Spec boss-signed on a grounding-check PASS (docs/specs+plans/0089). Verified: full
workspace suite + clippy green; the three messages reproduce exactly against the
built binary on the fieldtest fixtures.
2026-06-30 11:49:03 +02:00
Brummel 16520429be fix(0088): reject dataflow cycles in construction build (closes #161)
The construction op-script service accepted a dataflow cycle and exited 0,
emitting a non-DAG blueprint — violating domain invariant 5 / C9 (the graph is a
DAG; the only feedback path is an explicit delay/state node). The cycle-0088
fieldtest surfaced it (fieldtests/cycle-0088-construction-op-script/FINDINGS.md).

The construction gate set had no acyclicity check: a cyclic interior-edge set
passed both the eager per-op gates and the holistic finish, so replay() returned
Ok. Fix: an eager reachability check at the connect op that closes the cycle —
GraphSession::closes_cycle(from, to) asks "does the `to` node already reach the
`from` node through the edges added so far?" and rejects with a new by-identifier
OpError::WouldCycle { from, to } ("connecting from -> to would close a cycle"),
threaded through the CLI's exhaustive format_op_error. The fault is attributed to
the offending connect op, consistent with the surface's eager per-op diagnostics.

Eager rather than a holistic topological check at finish: a cycle is closed by
one specific connect, and naming that connect is the sharpest by-identifier error.

RED-first: two tests pin the symptom (a 2-cycle a<->b and a self-loop), both red
before the fix and green after; the 19 existing construction tests, the full
workspace suite, and clippy stay green.

Scope is the cycle only. The validity-floor cases the fieldtest also noted (an
unfed declared source role, an output-less graph) are degenerate-but-well-formed,
not invariant violations, and are deferred (refs #161) pending the build->consume
edge (#28) that defines what a valid emitted blueprint must guarantee.
2026-06-30 10:48:03 +02:00
Brummel 86841b0740 audit(0088): cycle close — drift fixes + C24 ledger refresh; close construction service
Architect drift review of cycle 0088 (#157, the introspectable fail-fast
construction service: §A shared gate predicates, §B the GraphSession/Op/replay
per-op surface + introspection, §C the aura graph build/introspect CLI).

What holds (confirmed against the diff): no-second-validator (C24) — edge_kind_check
is the single kind-check site called by both validate_wiring and
GraphSession::connect, and validate_wiring / check_param_namespace_injective are
reused verbatim in finish(); engine domain-free (invariant 9) — construction takes an
injected Fn(&str)->Option<PrimitiveBuilder>, no registry, the closed match +
std_vocabulary_types live in aura-std; topology-as-data / no DSL (C24/C17/inv 10) —
the engine Op is serde-free, the OpDoc wire DTO is CLI-side, ops are static and
non-Turing-complete; replay-equals-builder byte-identity (construction_e2e.rs) protects
C9/C19/C23.

Resolution:
- fix (drift-med): the root-role-boundness gate was the one holistic check finish()
  re-implemented instead of sharing — extracted check_root_roles_bound (blueprint.rs)
  and called from BOTH compile_with_cells and finish(), so finish() now reuses ALL the
  holistic gates and the no-second-validator claim is literally true. Behaviour-
  preserving (same UnboundRootRole variant; unbound_root_role_is_rejected stays green).
- fix (drift-med): removed the #![allow(dead_code)] on construction.rs — empirically
  unnecessary (the pub re-exported surface is reachable; clippy -D warnings green
  without it) — and its now-inaccurate comment (it claimed removal "when the consumer
  lands", but the consumer is a separate crate). Also tidied a stale graph_construct.rs
  module-doc line.
- fix (ledger): C24 Status refreshed — #157 moved out of "Remaining" with a cycle-0088
  realization note (the construction service: eager/holistic gate split, build-free
  introspection, emits the #155 blueprint); #159 reframed as paired with #157.
- carry-on (debt-med, forward-noted): the std_vocabulary roster is now a third hand-kept
  copy (match + test list + std_vocabulary_types) and introspect --vocabulary escalates
  #160's gap to user-facing — noted on #160; still fails safe.
- carry-on (scaling-low, forward-noted): the engine Op -> wire OpDoc direction is
  unguarded for future Op variants — noted on #156 (the format-extension track).

No architect-sweep / regression script is declared in the project facts, so the suite
is the gate: cargo test --workspace 51 suites green; clippy --all-targets -D warnings
clean. Cycle drift-clean.

Ephemeral cycle artifacts removed (lifecycle convention): docs/specs/0088-*,
docs/plans/0088-*.

closes #157
2026-06-29 21:48:40 +02:00
Brummel 27ac4dc537 feat(0088): §B construction op-script surface — GraphSession/Op/replay + introspection
Iteration-1 §B of the construction service (#157), on the §A shared predicates
(ea1ca32): a declarative, replayable by-identifier op-script that builds a
runnable blueprint through validated ops, reusing the engine's existing gates at
two cadences — no second validator (C24).

- construction.rs: `Op` (Source/Input/Add/Feed/Connect/Expose, 1:1 with the
  document, dotted by-identifier ports), `OpError` (by-identifier causes),
  `GraphSession` (per-op-fallible accumulator) and the free `replay` driver
  (stop-at-first-failing-op, naming it by `(op_index, OpError)`).
  - Eager (per-op): name resolution + edge_kind_check + the >1-cover
    DoubleWiredPort arm + try_bind — all calling the §A shared predicates.
  - Holistic (finish): the 0-cover totality arm, param-namespace injectivity, and
    root-role boundness — the SAME unchanged engine gates
    (check_param_namespace_injective / validate_wiring), now at end-of-document.
  - Build-free introspection: `unwired()` (a partial document's still-open slots).
- aura-std std_vocabulary_types(): the enumerable companion to the closed
  std_vocabulary match (a `fn(&str)->Option<…>` resolver cannot be listed),
  lockstep-tested in the list->resolver direction; the reverse fails safe (#160).
- aura-engine exports replay/GraphSession/Op/OpError + re-exports BindOpError.

Acceptance (engine level): a sink-free price->fast/slow SMA->Sub->Bias signal
root built through the ops compiles to a FlatGraph byte-identical (edges +
sources) to its GraphBuilder twin (C1); an invalid op is rejected at the op,
named; vocabulary + unwired slots answer without a build. Pinned by
construction.rs unit tests + a construction_e2e.rs integration test over the
public seam the iteration-2 CLI will consume.

Notable judgement calls folded in from the implement loop: feed is all-or-nothing
(two-phase resolve-then-commit, no partial wiring on a mid-fan-out fault); the
node identifier is stamped onto the builder (`named(&id)`) so two same-type nodes
get distinct param paths and do not trip the injectivity gate prematurely; a
module-level `#![allow(dead_code)]` covers the public surface until the
iteration-2 CLI consumes it. Full suite green; clippy --all-targets -D warnings
clean.

Iteration 2 (the JSON op-list encoding + `aura graph build`/`introspect` CLI)
remains; #157 stays open. refs #157
2026-06-29 20:28:41 +02:00
Brummel ea1ca32dbd feat(0088): §A shared gate predicates — edge_kind_check, resolution helpers, try_bind
Iteration-1 §A of the construction service (#157): the surface-agnostic shared
predicates the eager op-script path and the holistic finalize gates both call —
no second validator (C24).

- edge_kind_check (blueprint.rs): the per-edge producer/consumer kind check,
  lifted verbatim out of validate_wiring's edge loop into a pub(crate) fn that
  validate_wiring now calls — behaviour-preserving (same Bootstrap(KindMismatch)
  variant; the existing compile-time gate test stays green).
- resolve_input_slot / resolve_output_field (builder.rs): the exactly-one-match
  name→index resolution extracted as pub(crate) fns over (&NodeSchema, &str), so
  the runtime-String op-script names share GraphBuilder's resolution; GraphBuilder
  delegates and maps to the unchanged BuildError variants.
- try_bind + BindOpError (aura-core node.rs): the fallible Result twin of bind
  (bind keeps its panic contract and pinned messages verbatim; try_bind is a
  separate method reporting the same three conditions as values).
- check_param_namespace_injective + validate_wiring widened to pub(crate) for the
  finalize-stage reuse by the upcoming GraphSession::finish (§B).

Partial iteration: §B (the GraphSession/Op/replay surface + introspection) and
the §A→§B integration land next (plan Tasks 4-8). compile_with_params /
check_ports_connected are behaviourally unchanged. Full suite green; clippy clean.

Plan correction folded in: Task 3's test originally referenced aura_std::Sma —
infeasible inside aura-core (aura-std depends on aura-core; the reverse edge is a
dependency cycle). Adapted to a local PrimitiveBuilder probe with identical
assertions.

refs #157
2026-06-29 18:38:34 +02:00
Brummel d5602ec5ad feat(0087): blueprint serialization & loader — close the graph-as-data loop
C24 first cut (#155): a blueprint — the param-generic, named graph-as-data a
Rust builder produces — is now a first-class serializable data value with a
canonical, versioned format, and the engine has the missing load path
(data -> blueprint -> FlatGraph), not only the Rust-builder construction path.

What ships:
- `blueprint_to_json` / `blueprint_from_json` in a new `aura-engine`
  blueprint_serde module: a faithful serde DTO projection (the build closures
  dropped; re-derived on load), top-level `format_version` envelope, canonical
  compact JSON (struct field order, defaults omitted via skip_serializing_if).
- A resolver seam: the loader is generic over an injected
  `Fn(&str) -> Option<PrimitiveBuilder>`; the concrete closed `match` over the
  aura-std vocabulary lives in aura-std (`std_vocabulary`), never in the engine
  (the engine stays domain-free: lib deps aura-core + aura-analysis only, never
  the node-vocabulary crate). This is C24's compiled-in closed-set referenced by
  type identity, NOT a dynamic/marketplace node registry (domain invariant 9).
- serde derives on the serialized plain types (Edge, Target, OutField, Role,
  BoundParam, ScalarKind); BoundParam additionally re-exported from aura-core's
  root (an additive fix the plan's file list missed).

Load-bearing scope decisions (derived, logged on #155):
- Sinks are excluded from the serialized blueprint — a recording sink captures an
  mpsc::Sender (runtime identity, not param/topology, C19 value-empty); sink
  addressing is the C18-registry / #101 concern. The round-trip test attaches
  identical sinks post-load to both twins.
- Construction-arg builders (LinComb(arity), CostSum(n), SimBroker(pip),
  Session(..)) are out of the round-trippable set: their structural args are a
  C20 structural-axis concern the param-generic format does not yet encode; an
  absent type_id fails the load cleanly (UnknownNodeType), never a silent wrong
  graph. #155's vocabulary is the 22 zero-arg aura-std builders. Additively
  extensible later (#156).

Orchestrator hardening on review: the serializer now emits bound params in
ascending original-slot order (mirroring the loader), so the canonical form is
bind-order-independent — a precondition for content-addressing (#158). Identity
today (every #155 node has <=1 param); holds by construction for future
multi-param nodes.

Acceptance (all green): a serialized blueprint runs bit-identical (C1) to its
Rust-built twin; serializer/loader are inverse (canonical idempotence, incl. a
recursive nested composite); unknown-type and unsupported-version fail named,
never panicking. cargo test --workspace 748 passed; clippy --all-targets
-D warnings clean.

closes #155
2026-06-29 14:54:45 +02:00
Brummel 7f3756a395 feat(0082): cost-graph composition — VolSlippageCost + CostSum net-R aggregate
Cycle 2 of the "Cost-model graph (in R)" milestone (#148): the milestone's real
architectural claim — the cost graph composes. Two cost nodes now sum into one
net-R curve while summarize_r and the net_r_equity tap stay structurally
unchanged.

- VolSlippageCost (aura-std): a second, STATE-DEPENDENT cost node; per-trade
  charge = slip_vol_mult * volatility / |entry-stop|, in R. The vol is an
  independent short-horizon realized range (SLIP_VOL_LENGTH=5, distinct from the
  stop's EWMA-3) — scaling slippage by the stop's own vol would collapse cost-in-R
  to a constant (indistinguishable from ConstantCost).
- CostSum (aura-std): the cost-graph OUTPUT node — sums N cost nodes' 3-field
  cost-in-R records per-field into one aggregate. summarize_r and net_r_equity
  read the aggregate (one home for cost; n=1 is the identity, so the cost path is
  uniform). A future CostNode trait (deferred) will unify the cost-triple the two
  producer nodes currently restate by-convention.
- Run path: --cost-per-trade and --slip-vol-mult combine, their costs summing into
  the net-R curve; a hoisted vol proxy (RollingMax-RollingMin) keeps the single
  feed. Run-path-scoped; sweep/walkforward/mc pass None.

Co-temporality contract (the load-bearing design decision; corrected from the
signed spec after the implement-loop correctly BLOCKED Task 3 on it). summarize_r
positional-joins cost[i] <-> record[i], so the cost stream must be co-temporal
1:1 with the PM record. A cost node is therefore gated ONLY by the PM geometry
(closed/open/entry/stop); a not-yet-warm state input (the vol proxy warms later
than PM) contributes 0 cost that cycle rather than withholding and desyncing the
stream. This makes co-temporality structural + warmup-independent, preserves the
C18 golden, and generalizes to any future cost factor. The rejected alternative
(a key-join in summarize_r) would have moved the golden and pushed cost-graph
logic into the post-run fold. Recorded on #148.

Tests: VolSlippageCost + CostSum unit sets (incl. the co-temporal-zero-during-
warmup case); the CLI composition run (both flags -> net_both < net_flat,
net_r_equity persisted); node-level EXACT additive composition (net_both ==
net_flat + net_vol - gross over the real nodes), the aggregate net_r_equity ==
post-run net total, and CostSum(1) identity. Full workspace suite green; clippy
-D warnings clean; the no-cost C18 golden byte-identical (the regression floor).

Deferred (later cycles of this milestone): the general CostNode trait + cost-graph
composite-builder (now justified by two concrete nodes), the conviction-weighting
R-aggregation axis, and cost on the reduce-mode sweep path. Spec + plan amended to
the corrected contract; both are cycle ephemera (git rm at cycle close).

refs #148
2026-06-28 16:51:48 +02:00
Brummel 3fe4684190 feat(0081): cost-model graph cycle 1 — ConstantCost node + net-R seam
Lands the first cycle of the "Cost-model graph (in R)" milestone: cost is
now a composable in-graph node, not a post-run scalar (C10).

- ConstantCost (aura-std): a flat round-trip cost per trade, emitted in R
  as a 3-field record {cost_in_r, cum_cost_in_r, open_cost_in_r} isomorphic
  to PositionManagement's R-triple. R-pure: cost_in_r = cost_per_trade /
  |entry-stop|; notional cancels, no equity held.
- summarize_r folds the cost stream into net_expectancy_r, replacing its
  scalar round_trip_cost (one home for cost, no double-count). Positional
  co-temporal join; an empty stream is the gross-R baseline.
- net_r_equity tap (stage1_r_graph): LinComb(4) over [cum_realized_r,
  unrealized_r, -cum_cost_in_r, -open_cost_in_r] -> Recorder, a sibling of
  r_equity; --cost-per-trade on the run path wires the node + tap + fold.
- A no-cost run is byte-identical: no net_r_equity tap, net == gross, the
  C18 golden unchanged.

Tests: exact-subsumption (the node-stream net == mean(r_i - cost_i) over
ALL trades incl. the window-end open one), the in-graph net_r_equity tap +
net < gross E2E, the no-cost golden held. Full suite green; clippy clean.

Implement-time decisions ratified (recorded on #148): the cost stream is
recorded 3-wide (the node's full output; summarize_r reads col 0/2, col 1
feeds the in-graph net curve) — resolving a 2-wide/3-wide inconsistency in
the plan's Step 3; Trade drops its `latched` field (cost now arrives in R),
so r_col ENTRY_PRICE/STOP_PRICE become #[allow(dead_code)] layout contract.

Scoped to the run path (non-reduce); sweep/walkforward/mc pass None — cost
on the reduce-mode sweep path and OOS-pooling cost are a deferred follow-up.

Known pre-existing concern (not this cycle): aura-std lib.rs module doc
still names "realistic broker profiles", retired by the C10 rework.

refs #148
2026-06-28 14:41:45 +02:00
Brummel 04c581a441 refactor(0080): relocate FamilySelection/SelectionMode to aura-analysis (refs #136)
The last trading-domain types still defined in aura-engine's report module —
the selection-provenance types FamilySelection and SelectionMode — move to
aura-analysis, finishing the #136 goal of getting the trading types out of the
engine. aura-analysis is the only non-cyclic home that removes them from the
engine: RunManifest.selection: Option<FamilySelection> needs the type and the
engine already depends on aura-analysis; aura-registry and aura-cli reach them
unchanged via aura-engine's re-export (report.rs pub-re-exports them, lib.rs
untouched). Their tests stay in report.rs (one round-trips through RunManifest,
which stays in the engine) and reach the types via the re-export.

Behaviour-preserving (C1): full suite 665/0 unchanged incl. the C18 goldens,
clippy clean, only report.rs and aura-analysis/src/lib.rs change.

Staying in the engine (trace-coupled, deferred to the World/C21 layer, not
#136): RunManifest, RunReport, summarize. The aura-registry Metric/metric_cmp
vocabulary stays in the registry by design — the registry is the trading
selection layer, not the domain-free engine (the deflation statistics branch on
metric identity, irreducibly domain). See the #136 thread for the rationale.
2026-06-27 00:33:10 +02:00
Brummel 94c88eb7e1 refactor(0079): extract the trading-analysis leaf into aura-analysis (refs #136)
aura-engine is documented (C16) and named as the reusable, domain-agnostic
reactive SoA substrate, yet `report.rs` concentrated the trading-domain
analysis layer inside it. This cycle relocates the pure-domain leaf into a new
`aura-analysis` crate (deps: aura-core + serde only), erecting the
engine/domain seam before the Stage-2 broker milestone deposits more
currency/position-event code into the same module. Behaviour-preserving (C1):
the full workspace suite stays green unchanged (665 passed), including the C18
on-disk byte-identity goldens (cli_run, the registry legacy-line loads).

Moved to aura-analysis (bodies verbatim — no float expression re-associated):
RunMetrics, RMetrics (+ its hand-written PartialEq), the private r_col column
indices + SQN_CAP, summarize_r, r_metrics_from_rs, derive_position_events,
PositionAction (+ From/TryFrom<i64>), PositionEvent, and the deflation stats
helpers inv_norm_cdf / expected_max_of_normals. Their unit tests and private
helpers (r_row / r_row_full / pm_row) relocate with them — tests live with
their subject (the r_col helpers reach the private module directly, which a
re-export cannot bridge).

Stays in aura-engine for this cycle: the generic trace plumbing (ColumnarTrace,
join_on_ts, JoinedRow, f64_field), RunManifest, RunReport, and summarize (it
bridges recorded trace columns into RunMetrics, so it is trace-coupled). The
mis-placed orchestration types FamilySelection / SelectionMode also stay
(their relocation is entangled with the registry-vocabulary fork, deferred).

report.rs pub-re-exports the moved symbols, so aura-engine's lib.rs re-export
block and every `crate::report::X` / `aura_engine::X` consumer
(aura-registry, aura-cli, aura-composites, aura-ingest) compile byte-unchanged;
only the new crate, the workspace member list, aura-engine's Cargo.toml dep,
and report.rs itself change.

Deferred to later cycles (genuine design forks, route through specify when
reached): making RunReport generic over a metric type M and re-bounding
sweep/mc/walkforward; relocating the aura-registry Metric / metric_cmp / rank
vocabulary; relocating FamilySelection / SelectionMode. Fork decisions logged
on #136.
2026-06-26 23:49:03 +02:00
Brummel 0a06afed29 feat(0078): cross-instrument generalization as a validation step
Last piece of the Inferential-validation milestone (#146): a new
`aura generalize` subcommand grades how consistently a single candidate
holds across a set of instruments — the across-instrument axis of the
same anti-false-discovery concern as trials-deflation (#144, within one
family) and plateau-over-peak (#145, within one instrument's surface).

Aggregator/validator, not a third selector (user-ratified): it runs a
brought candidate (a single-cell stage1-r grid — --fast/--slow/--stop-
length/--stop-k pinned to single values) across an instrument list
(--real SYM1,SYM2,...), collects per-instrument R-metrics, and reduces
them to a worst-case floor (min over instruments) + a sign-agreement
count + the per-instrument breakdown. R-only (C10 — R is the only
account/instrument-agnostic unit); the worst-case min is the cross-
instrument sibling of PlateauMode::Worst and satisfies the non-
domination constraint by construction (a strong instrument cannot lift
a min). Rejected: a cross-instrument t-stat mean/std*sqrt(M), which
reintroduces the pooled mean the milestone warns against.

- RunManifest gains a first-class `instrument` lineage field (serde-
  widened, C14/C18 — legacy lines load as None, existing manifest bytes
  unchanged); the compat read-mirror threads it in lockstep.
- FamilyKind::CrossInstrument (C12 comparison axis); the M per-instrument
  runs persist as a CrossInstrument family, each member self-identifying
  via its stamped instrument. The aggregate is recomputable from the
  members (McAggregate precedent), printed live.
- The generalization reduction lives registry-side beside optimize_
  deflated/optimize_plateau (C9), reusing resolve_metric/metric_value/
  is_r_metric; check_r_metric is the data-free pre-check the CLI runs
  before evaluating any instrument.
- Additive: existing sweep/walkforward/mc/standalone paths stay byte-
  identical (C23 — instrument omitted when None via skip_serializing_if).

Verified by the orchestrator: cargo test --workspace green (0 failed —
the new generalization_*, check_r_metric, parse_generalize_*, and the
gated cross-instrument E2E all pass; the E2E ran the real GER40/USDJPY
path on this host, exit 0); cargo clippy --workspace --all-targets
-D warnings clean.

closes #146
2026-06-26 19:04:53 +02:00
Brummel d50a4828ad audit(0077): cycle close — drift addressed; legacy-load fixture + ledger sync; drop ephemera
Architect drift review over 9c6b9c7..cb32658 returned drift_found (3 items);
all resolved here. What holds (architect): C23 default-argmax byte-identical,
C9 separation (selector in aura-registry, walk_forward selection-agnostic),
C1/C2 (plateau pure/deterministic/in-sample), one higher_is_better direction
source.

Resolutions:
- [medium] Backfilled the pre-0077 FamilySelection legacy-load fixture
  (report.rs family_selection_loads_a_pre_0077_legacy_line). The feat commit
  and the struct doc-comment claimed "a legacy line still loads (C14/C18)" as
  landed, but no test pinned the field-level mapping: bare deflation scalars ->
  Some(...), absent plateau keys -> None. families.jsonl/runs.jsonl are
  append-only, so a winner stamped pre-0077 must read back; now pinned.
- [low] Synced the ledger's inferential-validation open thread
  (docs/design/INDEX.md): #145 plateau-over-peak landed (cycle 0077), selection
  is now a pluggable objective (bare argmax -> trials-deflated -> plateau) on
  the manifest carrier; only #146 (cross-instrument generalization) remains of
  the milestone's three pieces.
- [medium-high] Removed the cycle ephemera (git rm docs/specs/0077-*,
  docs/plans/0077-*) per the cycle-close convention.

Regression: full workspace suite green and clippy --all-targets -D warnings
clean (verified at feat-review time). No baseline scripts configured; the test
+ clippy gates are the regression gate. Cycle 0077 tidy (clean) — drift-clean,
not a milestone close (the milestone fieldtest is a separate deliberate gate).
2026-06-26 16:42:49 +02:00
Brummel cb32658fd1 feat(0077): prefer a robust parameter plateau over the in-sample peak
Add an opt-in plateau selection objective for walk-forward, recorded on the
same RunManifest.selection carrier #144 introduced. Default argmax is
byte-identical (C23); plateau is reached only via a new --select flag.

What landed:
- FamilySelection / SelectionMode reshape (report.rs): the selection RULE
  (mode) and its ANNOTATION are orthogonal — deflation fields become Option
  (present iff Argmax), plus PlateauMean/PlateauWorst variants and
  neighbourhood_score/n_neighbours (present iff Plateau*). Legacy lines still
  load: the deflation scalars deserialize from bare values via serde default
  (C14/C18). compat.rs embeds FamilySelection by value — reshape flows through
  untouched.
- GridSpace::axis_lens() + SweepBinder::sweep_with_lattice (engine): the grid
  radixes in param_space()/odometer order. sweep() delegates to
  sweep_with_lattice with the lattice dropped, so every existing .sweep()
  caller is byte-unchanged.
- optimize_plateau + PlateauMode + closed_neighbourhood (aura-registry, C9):
  each member scores as the mean/worst of its closed mixed-radix grid
  neighbourhood's metric_value; the winner is the smoothed argmax by the
  metric's direction (earliest-odometer tie, as optimize). Pure, no RNG (C1);
  in-sample only (C2). A higher_is_better helper now sources the per-metric
  direction once, shared by metric_cmp and optimize_plateau.
- CLI --select <argmax|plateau:mean|plateau:worst> (default argmax; unknown
  token exits 2). walkforward_family dispatches via a select_winner helper;
  sweep_over/stage1_r_sweep_over carry the lattice as Option<Vec<usize>>.
  runs-family display gains a plateau(<mode>)=<score> over <n> cells line.

RandomSpace-refuse: walkforward has no --random producer, so the
plateau-without-lattice guard is structural — select_winner returns the
refuse on a None lattice (the caller prints the message and exits 2),
unit-tested at the helper, not via a --random E2E (decided + recorded on #145
comment 1974, with the lattice-seam fork).

Tests: plateau-picks-plateau-not-spike, mean-vs-worst, lower-is-better
direction-flip, closed-neighbourhood golden, single-member degeneracy, C1
determinism; CLI select-parse, select_winner refuse; E2E argmax-byte-identical
(C23), plateau:mean and plateau:worst provenance. Full workspace suite green;
clippy --all-targets -D warnings clean.

closes #145
2026-06-26 16:38:18 +02:00
Brummel a2959050a4 feat(0076): deflate the sweep winner's metric for the number of trials
Adds optimize_deflated beside optimize in aura-registry: the in-sample
walk-forward selection now records, on each OOS winner's manifest, how much
the winner's metric is inflated by the size of the search it won — a deflated
score and (R arm) an overfit probability — without changing which member wins
(additive, C23; a regression test pins optimize_deflated's winner == optimize's).

- R arm (sqn_normalized/expectancy_r/...): a centred moving-block reality-check.
  Each member's per-trade R series is mean-subtracted to impose the no-edge null,
  resampled via the r_bootstrap kernel (extracted to a shared resample_block,
  byte-identical), and the best-of-K null-max gives
  overfit_probability = (count(null >= raw)+1)/(n+1) and
  deflated_score = raw - p95(null). Deterministic given the seed (C1).
- total_pips arm: a closed-form expected-max-of-K dispersion floor
  (inv_norm_cdf + expected_max_of_normals), no probability.

The record (FamilySelection on RunManifest) rides the proven
serde(default, skip_serializing_if) widening + a compat.rs mirror, so legacy
runs.jsonl/families.jsonl lines load unchanged and unstamped sweep/mc/standalone
manifests stay byte-identical (C14/C18). The SelectionMode enum reserves a
Plateau slot for #145. CLI: walk-forward stamps both arms; runs family <id> rank
surfaces a human-readable deflated/overfit line.

Quality review (re-dispatched after the implement-loop's quality gate exhausted)
caught a real defect: on the R arm with positive resamples but no member carrying
trade_rs (a family loaded from disk — trade_rs is serde-skipped), the null was
all-NEG_INFINITY, turning deflated_score into +inf. Fixed by collapsing "no usable
null" (zero resamples OR no trade_rs) into one degenerate floor (deflated == raw,
overfit == 1.0); pinned by optimize_deflated_no_trade_rs_floors_instead_of_infinity.

Verified: cargo test --workspace and cargo clippy --workspace --all-targets
-D warnings both green. Frictionless Stage-1 R; n_eff advisory and reload-time
recompute deferred (spec 0076 Out of scope).

closes #144
2026-06-26 14:53:32 +02:00
Brummel c192dfd344 audit(0075): cycle close — drift-clean; doc-link + trade_rs tripwire tidy; drop ephemera
Architect drift review (c99e7b8..2e77ab1) against the design ledger +
CLAUDE.md invariants: drift-clean, debt only — no contract or spec
violation. Verified intact: C18 wire shape (trade_rs is #[serde(skip)] +
excluded from the hand-written PartialEq; runs.jsonl/families.jsonl bytes
and digests unmoved; mc_r_bootstrap is a printed line, never a record),
C1 determinism (seeded r_bootstrap + disjoint walkforward windows, both
pinned by byte-identical-rerun e2e tests), C7 frictionless Stage-1
(round_trip_cost stays 0.0), C8/C12 streaming reduction (IS sweep folds
O(trades)/member, OOS run non-reduce). The verbatim summarize_r /
r_metrics_from_rs float duplication is guarded by the cross-reducer
equality test — sound.

Tidy applied this close:
- doc-link drift: the new E[R] notation in r_bootstrap / RBootstrap /
  run_mc_r_bootstrap doc-comments was parsed by rustdoc as an intra-doc
  link `[R]` (4 warnings). Wrapped in backticks; doc build now clean.
- coverage micro-gap [low, architect]: added a tripwire asserting a
  populated trade_rs is absent from the serialized JSON (the serde(skip)
  C18-preservation property had no direct test — only Vec::new() was
  serialized before).

Carry-on (benign debt, not fixed): the mc usage literal carries a `usage:`
prefix the sibling sweep/walkforward usages omit — required because the
new `["mc", rest @ ..]` arm now handles the `--real` rejection and the
preserved golden asserts stderr.contains("usage"); churning the golden to
drop the prefix is not worth it.

Removed the cycle's ephemeral spec + plans (docs/specs/0075,
docs/plans/0075, docs/plans/0076) per the lifecycle rule.

Verified: cargo test --workspace 610 passed / 0 failed, clippy -D warnings
clean, cargo doc --no-deps clean.

closes #139
2026-06-26 12:19:07 +02:00
Brummel 2e77ab1dda feat(0075): Monte-Carlo R-bootstrap for OOS validation (iter 2)
Add `aura mc --strategy stage1-r [--real <SYM>]`: run the stage1-r
walk-forward, pool its OOS per-trade R series, and report a moving-block
bootstrap E[R] distribution / CI (one `mc_r_bootstrap` line with an `e_r`
quantile block + P(E[R]<=0)). Completes spec 0075's Monte-Carlo half on top
of iter 1's walk-forward R-reporting.

Engine: `r_bootstrap(rs, n_resamples, block_len, seed) -> RBootstrap` — a
deterministic moving-block bootstrap (non-circular, final block truncated;
block_len=1 = i.i.d. trade-shuffle; clamped to [1,n]; empty -> all-zero),
reusing the existing MetricStats/quantile and SplitMix64.

CLI: parse_mc_args/McArgs split — bare/`--name`/`--trace` route to the
unchanged synthetic seed-resweep `run_mc` (byte-for-byte preserved); the R
path accepts ONLY `--strategy stage1-r`, so a bare `--real` stays a usage
error (mc_rejects_real_flag_with_usage_exit_2 preserved, doc-comment
refreshed). run_mc_r_bootstrap reuses walkforward_family + RMetrics.trade_rs.

Corrective fixes over the plan snippets, both verified: the mc usage string
carries a `usage:` token (the new `["mc", rest @ ..]` arm now handles the
`--real` rejection, and the preserved golden asserts `stderr.contains
("usage")`); `#[allow(clippy::large_enum_variant)]` on McArgs keeps the
unboxed Stage1RGrid field layout.

Scope: single `--real <SYM>` per invocation; cross-symbol pooling is a
deferred follow-on (needs a multi-symbol grammar). Verified: cargo build
clean, full `cargo test --workspace` green (609 passed), clippy -D warnings
clean; bare `aura mc`, SMA walkforward, stage1-r single-run, and C18
round-trip goldens all preserved.

refs #139
2026-06-26 12:12:06 +02:00
Brummel f286bb85f7 feat(0075): walk-forward strategy-selectable + R-reporting (iter 1)
Make `aura walkforward --strategy stage1-r [--real <SYM>]` roll IS->OOS
windows, sweep the stage1-r grid in-sample, pick the winner by an R metric
(sqn_normalized), run it out-of-sample, and report per-window + pooled OOS
R-metrics. The bare SMA walkforward path is byte-identical (its dispatch arm
is verbatim today's body; the pooled `oos_r` block is emitted only when a
window carries an `r` block).

Engine:
- RMetrics gains an in-memory `trade_rs: Vec<f64>` (realised R per closed
  trade), excluded from serde (`#[serde(skip)]`) and from a hand-written
  PartialEq, so the C18 wire shape and every existing equality assertion /
  round-trip stay unchanged. summarize_r now retains the per-trade R vector
  it used to drop.
- New `r_metrics_from_rs(&[f64])` reduces a flat (pooled across-window) R
  series to RMetrics. Its R-distribution arithmetic is copied verbatim from
  summarize_r (the byte-pinned floats must not be algebraically refactored);
  the two copies are guarded in lockstep by a cross-reducer equality test.
  net_expectancy_r = expectancy_r (exact at the Stage-1 cost=0 invariant);
  conviction_terciles_r = [0,0,0] (per-trade conviction is not pooled).

CLI:
- walkforward gains --strategy + the four stage1-r grid flags (reusing
  parse_csv_list / Stage1RGrid); walkforward_family is strategy-dispatched.
- Windowed stage1-r helpers: stage1_r_sweep_over (reduce-mode folded IS
  sweep, O(trades)/member) and run_oos_r (non-reduce OOS run, for the
  stitched pip-equity curve), plus stage1_r_space.

Frictionless Stage-1 R (costs are Stage-2). Verified: cargo build clean,
full `cargo test --workspace` green (SMA walkforward, synthetic mc,
stage1_r_single_run_output_golden, and the C18 round-trips all preserved),
clippy -D warnings clean. Monte-Carlo R-bootstrap is iter 2.

refs #139
2026-06-26 11:21:27 +02:00
Brummel 7e4b91ab5f feat(0074): source real-path pip from the geometry sidecar; drop the authored floor
The data-server now ships per-symbol geometry sidecars, so aura no longer
hard-codes instrument geometry. A consumption grep showed production reads
exactly one `InstrumentSpec` field — `pip_size` — at the real-data path; the
other eight (incl. `instrument_id`) were constructed but never read.

- aura-cli resolves the real-path pip from the recorded sidecar
  (`instrument_geometry` -> `InstrumentGeometry.pip_size`), refusing (exit 2)
  on absent geometry. The authored table no longer gates: any symbol with a
  sidecar + bars now runs (new test: USDJPY, never vetted, resolves its JPY
  pip 0.01 from the sidecar).
- Removed the redundant authored floor: `InstrumentSpec`, `instrument_spec`,
  `VETTED_SYMBOLS`, and the table-only tests. The `InstrumentGeometry` seam
  (the surviving pip source) and its nameability guard are kept.
- `instrument_id` (the "find out"): no production consumer. The position-event
  table's `instrument_id` is a decoupled caller parameter; the engine never
  imports an instrument spec. Dropped with the struct.
- The example `pip_size_of` is re-sourced to the sidecar; the pure-structural
  blueprint tests use a literal pip to stay archive-independent.

Speculative deploy-grade fields and the #124 override/floor tiers are deferred
to the Stage-2 broker that will consume them, read from the sidecar geometry
then. Ledger (C8/C15/#22/#106) updated; #124 collapses to "recorded sidecar
geometry -> refuse" in the meantime.

Verified: cargo test --workspace (all green), clippy -D warnings clean, cargo
doc clean, with the local archive present so the sidecar paths run.

refs #124
2026-06-25 19:06:12 +02:00
Brummel f0949578a3 test(0072): mean-reversion signal-composition e2e (characterization pin)
Hand-wired EWMA Bollinger-band fade subgraph (price -> Ema mean + dev -> Mul
square -> Ema var -> Sqrt sigma -> LinComb k-band -> Add/Sub bands -> Gt/Gt ->
Latch/Latch -> Sub bias). Pins the fade direction (above mean+k*sigma -> short,
below -> long), the latch hold, and flat-series -> no fade. Green on arrival
(composes only existing aura-std nodes; no new node), so it is a characterization
pin rather than a RED->GREEN unit.

refs #137
2026-06-25 14:06:03 +02:00
Brummel d845c509d3 feat(0071): stage1 breakout candidate — Donchian channel signal (#137)
A second Stage-1 R strategy candidate for the edge-research milestone, a structurally
different trend mechanic than the refuted SMA-momentum: a Donchian channel breakout.
Swaps only the signal leg of the stage1-r graph —
close -> Delay(1) -> {RollingMax,RollingMin}(N) -> {Gt,Gt} -> {Latch,Latch} ->
Sub = bias in {-1,0,+1} — keeping the vol-stop R definition unchanged, so it screens
under the identical R yardstick (clean A/B vs momentum).

- aura-std: new RollingMax / RollingMin nodes (sliding-window extremum via a monotonic
  deque, O(1) amortized; mirror the Sma/Delay ring-buffer shape, warm-up skip-emit,
  C7/C8). The +/-1 direction latch composes from two existing Latch nodes + Sub (no new
  latch type).
- aura-cli: stage1_breakout_graph + a manual-grid stage1_breakout_sweep_family
  (fully-bound graph per point, sidestepping parameter-ganging since one channel length
  drives both rolling nodes); --strategy stage1-breakout + --channel grid flag; usage
  strings updated.
- Causality (C2): one Delay(1) on close feeds both rolling nodes, so each channel covers
  close[t-N..t-1] — the current bar is excluded. Pinned by a contrastive e2e test (a
  strictly rising series up-breaks every warmed bar; a window including the current bar
  never could) plus a +/-1-latch-hold test.

All existing goldens byte-identical (stage1-r/sma/momentum untouched); folded-no-trace
== raw-trace metrics; workspace tests + clippy green.

refs #137
2026-06-25 13:10:37 +02:00
Brummel cfe7bad0ff feat(0070): streaming sink reductions — finalize hook + folding sinks (#138)
M3 machinery for BLOCKER #138: sink reductions can now fold online instead of
buffering every per-cycle row to an unbounded channel.

- aura-core: additive `Node::finalize` end-of-stream hook (default no-op) +
  `SeriesFold` online accumulator (last / max_drawdown / sign_flips).
- aura-engine: `Harness::run` calls `finalize` once per node in topo order after
  the source loop; `summarize` refactored to drive `SeriesFold` (byte-identical),
  the now-dead `sign0` removed.
- aura-std: `GatedRecorder` (emits only gated rows + the final row on finalize)
  and `SeriesReducer` (folds one f64 series, emits one summary row on finalize),
  both emitting the `Recorder` channel type — no aura-engine dependency.
- Integration tests: folded reductions are byte-for-byte equal to the
  raw-recorder path; the R-reduction's peak memory is O(trades), independent of
  cycle count.

Ratified two off-plan fixes the implementer made in the tests (both plan defects,
not code defects): the GatedRecorder correctly flushes the final non-gated row on
finalize, so the retained count is K_TRADES + 1; and the heterogeneous PM record
needs kind-correct zero scalars (a blanket f64 zero is rejected by the kind-typed
AnyColumn::push).

Wiring these reducers into the stage1-r sweep (the actual O(cycles)->O(trades)
win) follows next. refs #138
2026-06-25 11:00:02 +02:00
Brummel 7aaa3e5d5c feat(0068): position-event derive — book first-difference table (#115)
Add `derive_position_events(record, instrument_id) -> Vec<PositionEvent>` to
aura-engine (report.rs), the broker-independent Stage-2 audit layer of C10: the
first difference of the executed book derived from a PositionManagement dense
record. A pure post-run reduction, sibling of summarize_r — same positional,
type-erased Scalar read of the 14-column record, no in-graph node (the hot path
stays domain-free, C14). A reversal emits Close then the opposite open at one
event_ts (close first); a window-end open position emits its open with no
synthetic Close (the table records actual executed events — unlike summarize_r,
which force-closes for the R metric). instrument_id is a caller-supplied scalar
(aura-engine depends only on aura-core; it cannot import InstrumentSpec).

Two r_col indices added (DIRECTION=4, SIZE=10), the lockstep guard in
stage1_r_e2e.rs extended to name-pin `direction`, and an agreement E2E folds both
summarize_r and derive_position_events over one recorded ledger (one Close per
closed round-trip; every open closed-or-open-at-end; referential integrity).

Scope: the derive only. Fixed-fractional / currency / equity-feedback sizing is
#116 (it owns the equity->Sizer z^-1 register per C10) — deferring it here avoids
a circular dependency. Supersedes the rolled-back 0064 exposure-integral derive
(abandoned per #117): this derives from the executed book, never exposure deltas.

Verified by the orchestrator: cargo build + clippy --all-targets -D warnings
clean; full workspace suite 0 failed; aura-engine lib 214 pass (incl. the 6
derive_* unit tests); stage1_r_e2e 11 pass (incl. the new E2E + extended guard).
Fork decisions recorded on #115.

closes #115
2026-06-24 20:19:31 +02:00
Brummel 89d967a940 feat(0067): SQN100 metric + stage1-r sweep --trace
Two additive follow-ups to the cycle-0065/0066 R-sweep surface.

Part A (#130) — n-normalized SQN (SQN100): RMetrics gains sqn_normalized =
(mean_R/stdev_R)·√(min(n,100)), a turnover-robust ranking objective comparable
across sweep members with different trade counts. The raw sqn is kept
byte-identical (computed sqrt(n)*mean/sd, NOT via a factored shared ratio, so
the existing metric does not drift even by 1 ULP). The field carries
#[serde(default)] for C18 back-compat (a pre-0067 r: block deserialises with
sqn_normalized = 0.0). The registry learns Metric::SqnNormalized (opt-in; the
default ranker and raw sqn are unchanged), so `runs family rank sqn_normalized`
works. The 0066 single-run golden is re-baselined (the r: block gains the
field; for n=3 ≤ 100 the cap is inactive so sqn_normalized == sqn).

Part B (#135) — wire --trace for the stage1-r sweep: stage1_r_sweep_family now
honours --trace, persisting each member's equity/exposure/r_equity under
runs/traces/<n>/<member_key>/ via the existing persist_traces_r (mirroring
momentum_sweep_family); the interim run_sweep refusal guard is dropped. --trace
is now symmetric across all three sweep strategies and a swept member is
chartable (chart <n>/<member> --tap r_equity).

Tests: SQN100 cap / below-cap / empty + serde back-compat (engine); rank-by
sqn_normalized + unknown-metric message (registry); an E2E guard that both
SQN values fold from recorded records and agree below the cap (the cross-crate
column seam); inverted stage1-r --trace persistence + a CLI rank-by-
sqn_normalized integration. Full workspace suite green (527 passed, 0 failed);
clippy --all-targets -D warnings clean.

Derived fork decisions logged on #130 and #135 (cap = fixed const 100; opt-in
metric, default ranker unchanged; serde(default); Part B mirrors
momentum_sweep_family + reuses persist_traces_r).

closes #130
closes #135
2026-06-24 18:10:54 +02:00
Brummel 68605b7d88 refactor(stage1-r): rename the strategy-output param namespace exposure -> bias
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
2026-06-24 14:40:51 +02:00
Brummel 1a6eafa056 refactor(composites): extract Stage-1 composite-builders into their own crate
Dissolve the aura-engine -> aura-std dependency by moving the vol_stop /
risk_executor composite-builders out of aura-engine into a new aura-composites
crate. This restores the engine's domain-free layering, which the
composites-in-engine placement (cycle 0065) had inverted.

Why: the engine routes type-erased Scalar records and never names a concrete
node -- summarize_r reads the PositionManagement record positionally, by column
index, without linking aura-std (which is exactly why aura-std was a dev-only
dependency before 0065). Parking the node-naming composite-builders inside
aura-engine forced the engine's production code to reference the node library
for the first time (aura-engine -> aura-std), an upside-down layering: the
engine is the foundation the node library builds upon, not the reverse.

The clean home is a dedicated crate that depends on BOTH the engine's
GraphBuilder and the std nodes, leaving each lower crate untouched:

    aura-composites -> { aura-engine, aura-std } -> aura-core   (acyclic)
    aura-engine     -> aura-core only            (domain-free again)
    aura-std        -> aura-core only            (lean node library)

aura-std reverts to a [dev-dependency] of aura-engine (the engine's own E2E
tests -- stage1_r_e2e, random_sweep_e2e, ger40_breakout -- still drive real
std nodes through a bootstrapped Harness; that test-only edge creates no cycle).

Moved with history (git mv):
- crates/aura-engine/src/composites.rs           -> crates/aura-composites/src/lib.rs
- crates/aura-engine/tests/risk_executor.rs      -> crates/aura-composites/tests/
- crates/aura-engine/tests/vol_stop_composite.rs -> crates/aura-composites/tests/

Consumers rewired: aura-cli imports risk_executor / StopRule from aura_composites;
the moved tests import the builders from the crate under test. The intra-doc link
to RollMode and the module rationale doc are updated for the new home.

Behaviour-preserving: workspace build clean; clippy --all-targets -D warnings
clean; full suite 513 passed / 0 failed, identical to baseline (the two moved
test files run unchanged under aura-composites); cargo doc --no-deps clean (no
broken intra-doc links).
2026-06-24 13:44:44 +02:00
Brummel c6c1d3bb10 feat(stage1-r): rename the exposure_sign_flips metric to bias_sign_flips (#126)
Complete the typed-field half of the exposure->bias rename - the one the cycle-0065
close audit flagged as aging worst (a serde-stable on-disk key).

- RunMetrics.exposure_sign_flips -> bias_sign_flips with
  #[serde(alias = "exposure_sign_flips")], so legacy runs.jsonl still deserialises
  (pinned by the legacy-read tests, which keep the old key); new output serialises
  bias_sign_flips (the byte-pin tests updated to the new key).
- The registry rank metric: Metric::ExposureSignFlips -> BiasSignFlips, the rank
  string accepts BOTH "bias_sign_flips" and "exposure_sign_flips" (CLI back-compat),
  the error/listing updated; the rank tests exercise both names.
- The MC aggregate field renamed too (McAggregate is hand-rendered to JSON, not
  serde-derived - no alias needed).

Scope held to the typed metric. The strategy-output PARAM NAMESPACE - the
.named("exposure") Bias instance, its exposure.scale knob path (Composite::param_space
derives the knob from the node name), and the exposure_scale manifest label - is a
coherent ~30-site, sweep-pinned surface (the implement loop correctly flagged renaming
the knob as an unscoped expansion touching walkforward + the cli_run byte-pins). Kept
uniformly as "exposure" and deferred to a follow-on so the cluster renames as one
consistent unit. SimBroker's pre-reframe exposure concept and the on-disk "exposure"
tap label stay by the #117 fork decision.

cargo test --workspace green; clippy --workspace --all-targets -D warnings clean; a
live `aura run --harness stage1-r` emits "bias_sign_flips".

closes #126
refs #117
2026-06-24 13:11:46 +02:00
Brummel 4e6b1d9b53 audit(stage1-r): cycle-0065 close — ledger records the Stage-1 R signal-quality layer
Architect drift review of cycle 0065 (Stage-1 R: the exposure->bias rename, the
stop-rule + vol_stop, PositionManagement's dense R-record, the Sizer, summarize_r,
the public RiskExecutor, and the CLI surface): code is drift-clean - C10 fidelity
holds (bias->stop->Sizer->PositionManagement, flat-1R feed-forward, R stop-defined
and size-invariant, guarded by the cross-crate layout lockstep test), C9/C23
acyclic, the --harness selector is a compile-time match (no runtime registry/DSL,
C17). The milestone fieldtest is green after the tiny-pip tolerance fix (2ee0d74).

Lifted to the ledger (docs/design/INDEX.md):
- A C10 realization note for cycle 0065 recording the built Stage-1 R layer (the
  chain, the public RiskExecutor + StopRule axis, the CLI surface, the scale-robust
  guard, the aura-engine->aura-std normal dep) and that Stage 2
  (currency/compounding/realistic brokers) stays the deferred downstream layer.
- Amended the C10 contract's "pending Stage-1 implementation" line (it landed).

Fixed stale prose introduced by iter-3's dependency-tier change: report.rs and
position_management.rs comments cited "aura-std is only a dev-dependency" as the
rationale for the by-convention dense-record layout contract; iter-3 made it a
normal dependency, so that rationale was false. Reworded to the real,
dep-tier-independent reason - the record crosses the crate boundary as a
type-erased Scalar vector (C4 SoA), read positionally, guarded by stage1_r_e2e.rs.

Carry-on filed as follow-ons (not actioned): the exposure->bias rename tail (the
serde-stable exposure_sign_flips key + slot/param names - commented on #126, the
recommended next iteration); CLI UX friction (#131); stage1-r harness cosmetic
smells (#132); R-sweep families + rank-by-sqn (#133).

This is a drift-clean cycle-close audit, NOT a milestone-container close: the
ephemeral spec/plans stay (spec 0065's change (a) still scopes the deferred rename
tail) and the milestone close stays a deliberate act for the user.

cargo build/test --workspace green; clippy --workspace --all-targets -D warnings clean.

refs #117 #126
2026-06-24 12:35:15 +02:00
Brummel a6fc48daa7 feat(stage1-r): operate the R layer from the CLI (iter 3)
`aura run --harness stage1-r [--real <SYM>] [--trace <n>]` now runs a Stage-1 R
backtest and prints its signal-quality metrics (the R block) in the RunReport
JSON - one shell call, the research loop's primary verb, ergonomic for Claude
to drive.

What shipped:
- vol_stop + risk_executor promoted from test fixtures to public aura-engine
  composite-builders, with a StopRule{Fixed,Vol} axis (C11). aura-std becomes a
  normal dependency of aura-engine (the composites are the engine's convenience
  layer over the standard nodes - the sibling tier of summarize_r; the graph
  stays acyclic: aura-engine -> aura-std -> aura-core). Both fixtures call the
  public fns; a Vol-backed RED test pins the new match arm.
- stage1_r_blueprint fans one bias into BOTH a SimBroker (pip) and the
  RiskExecutor (R), so one report carries both yardsticks honestly. run_stage1_r
  folds summarize (pip) + summarize_r (R, round_trip_cost 0.0 - Stage-1 is
  frictionless signal quality) and sets RunMetrics.r = Some(..). An r_equity tap
  (cum_realized_r + unrealized_r via LinComb) persists through a separate 3-tap
  persist_traces_r and renders via the existing `aura chart --tap r_equity`.
- `aura run --harness <sma|macd|stage1-r>`: a parse_run_args tokenizer replaces
  the five `run` literal-slice arms so --harness/--real/--from/--to/--trace
  compose in any order; --macd kept as a back-compat alias; --harness sma the
  default. A compile-time match over Rust-authored built-ins - not a runtime node
  registry, not a DSL (C9/C17): the CLI runs an authored harness, it does not
  wire one.

Back-compat: --harness sma/macd leave RunMetrics.r = None, so skip_serializing_if
keeps pip-only and legacy runs.jsonl JSON byte-unchanged; the plain-run tap list
stays ["equity","exposure"].

Refactor beyond the plan (verified behavior-equivalent): the old standalone
parse_real_args was orphaned by the new tokenizer, so it and its now-redundant
unit test were removed and run's --real parsing inlined into parse_run_args. The
--real strictness (empty-symbol, non-i64 ms, repeated-flag, window-requires-real
-> exit 2) is preserved and now pinned by
parse_run_args_rejects_malformed_real_and_repeated_flags (added to restore the
deleted coverage). All five run_real integration tests stay green.

Verification: cargo build/test --workspace green (every crate, 0 failed); clippy
--workspace --all-targets -D warnings clean. The full diff was adversarially
reviewed (run-arg refactor equivalence against the removed function, harness
wiring, C1/C2/C9/C17, the serde back-compat pin) - verdict SOUND; the one flagged
coverage gap is closed here.

Follow-on (noted, not done): the stage1-r manifest reuses the
"sim-optimal(pip_size=...)" broker label; a dedicated "risk-executor" label would
read more honestly for a dual-tap harness that runs a RiskExecutor branch.

closes #129
refs #117 #128
2026-06-24 12:09:58 +02:00
Brummel 92591e5dc0 refactor(stage1-r): name the conviction column conviction_at_entry
Rename the dense PositionManagement record's column 9 from `bias_at_entry_abs`
to `conviction_at_entry` (FIELD_NAMES, the `r_col`/test index constants, the
cross-crate layout guard, and the doc comments).

Why: the column holds |bias| at entry, which C10 defines AS conviction (bias =
direction + conviction magnitude; ledger INDEX.md ~458). The record already names
the other half of that decomposition by its domain concept (`direction` = sign,
not `bias_sign`), so naming the magnitude half mechanically (`bias_at_entry_abs`)
was an inconsistency; `conviction_at_entry` speaks the ledger's ubiquitous
language and parallels `direction`, while `_at_entry` preserves the
frozen-snapshot precision.

Considered and rejected: collapsing `(direction, bias_at_entry_abs)` into one
signed `bias_at_entry` and dropping `direction` as redundant — it is not
redundant. On a reversal row col 4 (`direction`) tracks the reopened leg while
col 9 tracks the closed trade's entry conviction, so the two describe different
trades and cannot be losslessly merged; they are also distinct semantic axes
(current-position direction vs per-trade entry conviction).

Scope: domain name at the data boundary, mechanical name internally — the
internal `bias.abs()` variables (`Open.bias_abs`, the fold's `Trade.bias_abs`)
keep their computation-faithful names, exactly the raw-internal / domain-external
split the record uses elsewhere.

Behaviour-preserving: cargo build --workspace clean; cargo test --workspace 500
passed, 0 failed (unchanged); clippy --all-targets -D warnings clean. The layout
guard (`r_col_indices_match_producer_field_layout`) confirms the renamed string.

refs #117
2026-06-24 10:25:18 +02:00
Brummel b4e84335c4 feat(stage1-r): Sizer + RiskExecutor + R-metric enrichment (iter 2)
Iteration 2 of cycle 0065 (Stage-1 R signal quality) — the node + metric layer.
Builds on iter-1's PositionManagement dense R-record + core summarize_r.

What ships:

- PositionManagement gains a 4th `size` input (slot 3 -> col 10), fed by the
  Sizer. R is computed size-INVARIANTLY (pure stop-distance ratio), so size
  never touches realized_r — pinned by a RED test (scaling size leaves every
  realized_r unchanged) at the node and again end-to-end through the executor.

- Sizer (aura-std): `size = risk_budget / stop_distance` — flat-1R (risk_budget
  1.0 => one risk unit per trade, size inversely proportional to the stop, not a
  constant). Reads bias (firing/presence) + stop_distance; the Stage-2
  fixed-fractional sizer slots in unchanged (swap risk_budget for
  risk_fraction*equity, same node shape).

- summarize_r enrichment: SQN (sqrt(n)*mean_R/sample-stdev_R; n<2 or zero-variance
  -> 0), conviction_terciles_r (E[R] by |bias_at_entry| tercile), net_expectancy_r
  (gross minus one round-trip cost per trade, charged in R via the latched_dist
  recovered from the entry_price/stop_price columns). summarize_r gains a
  `round_trip_cost` param (price units). The net-of-cost recovery is tested
  through the real producer->consumer seam, not just hand-built rows.

- RunMetrics.r: Option<RMetrics> with #[serde(default, skip_serializing_if =
  "Option::is_none")] — legacy runs.jsonl (no `r` key) deserialise to None and a
  pip-only run's on-disk shape stays byte-unchanged (C14/C18 back-compat). Every
  RunMetrics literal threaded (report.rs, aura-registry, aura-engine/mc).

- RiskExecutor (aura-engine integration-test fixture, sibling of
  vol_stop_composite): FixedStop -> Sizer -> PositionManagement behind open
  bias+price input roles, price fanned to both the stop and PM, the Sizer's size
  into PM. Bias is produced in-graph from the single price source (a second bias
  *source* would k-way-merge into separate cycles and mark stale prices). The
  Veto is a DOCUMENTED SEAM, not a runtime node (a pass-through identity is what
  C19/C23 DCE deletes). Tests: the composite bootstraps + runs + folds to the
  documented hand value; R invariant under risk_budget while the size column
  scales; a live-folded RMetrics survives the RunMetrics serde round-trip.

The dense-record size column (10) is brought under the cross-crate layout guard
(stage1_r_e2e r_col_indices_match_producer_field_layout) so the executor
fixture's size-invariance read is drift-protected like the others.

Scope: the CLI/recording surface (#129) is sub-split into a separate iteration 3
and is NOT in this commit.

Verified: cargo build --workspace clean; cargo test --workspace 500 passed,
0 failed; cargo clippy --workspace --all-targets -D warnings clean.

refs #117 #127 #128 #129
2026-06-24 02:15:51 +02:00
Brummel 0998f9aabf refactor(stage1-r): the vol stop is a composition, not a fused node
Applies the principle the user named: a node is a primitive only if it is NOT
DAG-expressible from other primitives; a function that needs a missing primitive
gets the primitive added, not fused away.

- Remove the fused VolStop node (it was pure feed-forward arithmetic).
- The volatility stop is now a composition of primitives, vol_stop(length, k):
  k * Sqrt(Ema(Mul(d,d), length)), d = Sub(price, Delay(price,1)) -- a rolling
  EWMA standard deviation. Built with GraphBuilder; proven end-to-end
  (bootstraps + runs + emits k*sigma) in tests/vol_stop_composite.rs.
- Migrate the one VolStop caller (stage1_r_e2e.rs) off it: the R-is-stop-defined
  test now contrasts a tight vs a wide FixedStop (two constant distances still
  fold to different R, the property under test).

Uses the Mul + Sqrt primitives added in the prior commit. FixedStop stays the
only stop-rule primitive (a triggered constant). Full suite + clippy green.

refs #117 #119
2026-06-24 01:04:19 +02:00
Brummel 2c43296c2c feat(stage1-r): bias rename + stop-rule + position-management + summarize_r (iter 1)
Iteration 1 of the Stage-1 "R-based signal quality" cycle (spec 0065): a
strategy's signal quality, measured in R on its unsized bias stream, feed-forward.
New discrete-trade machinery, NOT a SimBroker extension.

What lands:
- exposure -> bias (refs #126): the Exposure node/type/file/output-field renamed to
  Bias (computation unchanged: clamp(signal/scale,-1,+1); the SEMANTICS change — the
  output is the unsized strategy bias, sizing leaves the strategy). Scoped to the
  semantic core; behaviour-preserving cosmetics are deferred (see below).
- stop-rule nodes (refs #119): VolStop = k*EMA(|price - prev_price|) (one fused node;
  the volatility that defines 1R, close-to-close — true-range ATR deferred, needs
  OHLC) + FixedStop (constant, the test fixture / fixed-vs-vol structural-axis sibling).
- PositionManagement (refs #127): the stateful heart. Latches the entry-cycle stop
  distance as the FROZEN R-denominator (never re-read), marks/exits no-look-ahead like
  SimBroker (a position earns from the next cycle; an exit realises against the cycle's
  close), and emits ONE dense per-cycle R-record (C8). Stop-outs are NOT capped at -1R
  (a gap through the stop realises R < -1 — the honest loss tail); R is computed
  size-invariantly (size = (exit-entry)*dir / latched_dist cancels). The trade ledger
  is the rows where closed_this_cycle; the R-equity is cum_realized + unrealized; a
  position open at window end is the last row (open=true) — explicit, never silent MtM.
- summarize_r + RMetrics (refs #129): the post-run fold (NOT an in-graph node —
  recorders drain post-run). E[R], win-rate, profit-factor, avg win/loss R, by-trade
  max R-drawdown, n_open_at_end (window-end force-close). SQN / conviction terciles /
  net-of-cost / RunMetrics.r are iteration 2.

Design adversarially hardened before implementation (12-juror refute panel; decisions
on #117). Ratified implementer deviations from the plan snippet, verified by hand:
- col-4 `direction` tracks the OPEN position at cycle end (window-end synthesis; names
  the reopened leg on a reversal), falling back to the closed trade's dir only when
  flat. summarize_r does not read col 4; the R-metrics are unaffected.
- .named("exposure") kept on the 4 previously-unnamed Bias nodes so the auto-derived
  param-path stays exposure.scale (no manifest/dir-name drift) — the unnamed nodes
  would otherwise flip to bias.scale.
- intra-doc links [`Exposure`] -> [`Bias`] in sim_broker/latch + the sample-model test
  pin (cosmetic, behaviour-neutral; broken intra-doc links fail cargo doc).
- the E2E drives a full bootstrapped Harness (stronger than the plan's direct-node
  drive — exercises the real cross-crate producer->consumer seam).

Deferred (behaviour-preserving, separate cosmetic pass — NOT this iteration):
RunMetrics.exposure_sign_flips / Metric::ExposureSignFlips, SimBroker/LongOnly
"exposure" input ports, the "exposure" tap/trace names, and the .named("exposure")
instance labels. Iteration 2: the Sizer seam, the RiskExecutor composite (+ the Veto
documented-seam), summarize_r enrichment, RunMetrics.r, and the CLI/recording surface.

Verification (orchestrator-run, not agent-claimed):
- cargo build --workspace: clean.
- cargo test --workspace: all green, 0 failed (incl. the new bias/stop_rule/
  position_management unit tests, the summarize_r arithmetic tests, and the
  stage1_r_e2e capstone + layout guard).
- cargo clippy --workspace --all-targets -- -D warnings: clean (exit 0).
- Keystone RED tests pass: no_lookahead_bias_exit_realises_the_held_move,
  stop_out_is_not_capped_at_minus_one_r, no_gap_stop_is_exactly_minus_one_r,
  reversal_closes_one_leg_and_reopens, open_at_window_end_is_carried_on_the_last_row.

refs #117 #119 #126 #127 #129
2026-06-23 19:48:58 +02:00
Brummel b91c89f964 feat(broker-foundation): InstrumentSpec deploy metadata + PositionEvent schema
The realistic-broker milestone's (C10 A-side) two foundation value types — no
broker, no derivation yet, fully tested.

#113 — InstrumentSpec gains six deploy-grade fields (instrument_id,
contract_size, pip_value_per_lot, min_lot, lot_step, quote_currency) and the
vetted table is populated for GER40/FRA40/EURUSD/GBPUSD/USDCAD. The struct stays
Copy (quote_currency is &'static str); the _ => None refuse-don't-guess arm is the
permanent floor. This is the milestone's permanent authored floor (recorded-metadata
tier is forward work, #124).

#114 — PositionAction { Buy, Sell, Close } (closed enum, serde-encoded as a bare
i64 0/1/2 via From/TryFrom) + PositionEvent in aura-engine beside RunMetrics,
faithful to the C10 column spec: event_ts, action, position_id, instrument_id,
unsigned volume; no open_ts; direction is the action (no signed-volume trick).
Re-exported from the crate root.

Derived fork decisions (recorded on #113): quote_currency &'static str; action as
ordinal i64; stable instrument_id + overridable vetted values.

Verified by the orchestrator: cargo test --workspace = 458 passed / 0 failed;
clippy --all-targets -D warnings clean. An adversarial 4-lens review (ledger
faithfulness, downstream soundness, serde/wire robustness, test honesty) returned
3 SOUND + 1 CONCERN: quote_currency &'static str cannot hold a runtime-sourced
currency at the #124 resolver — not a blocker (#115/#116 read only the authored
floor), logged on #124 as a deliberate deferred design choice. The implementer's
deviation from the plan snippet (vec![..] -> [..]) avoids clippy::useless_vec;
semantics identical.

Two tester-authored consumer-boundary E2E tests added beyond the inline units:
instrument_spec_deploy_metadata.rs (public resolution seam) and
position_event_table.rs (persisted bare-int wire shape + reversal table).

closes #113 #114
2026-06-22 19:51:17 +02:00
Brummel 27f850dc52 feat(sweep-key): generic filesystem-portable member key + LongOnly bool node
Generalises the #105 foot-gun: the family-member trace key was derived from two
hardcoded axis names (f{fast}s{slow}), collision-free only over the built-in SMA
grid. It is now derived from the axes that actually VARY
(SweepBinder::varying_axes) and rendered as a filesystem-conformant directory
component:
- charset restricted to [A-Za-z0-9._-] (valid on Linux/Windows/macOS, also
  URL-path- and cloud-sync-safe); any other byte sanitised;
- case-less values (i64/timestamp decimal, bool true/false, f64 via Display, no
  scientific notation) so two members of one family never differ only by letter
  case -> no silent overwrite on case-insensitive filesystems (NTFS/APFS);
- length-capped (MAX_KEY=200) with a version-stable FNV-1a fallback for the
  unbounded-grid edge.

Pinned singleton axes are omitted; the SMA sweep's member dirs change from f2s4
to signals.trend.fast.length-2_signals.trend.slow.length-4 (its --trace
integration test + the stale prose updated accordingly).

Adds the first aura-std node with a bool *param*, LongOnly (a long-only exposure
gate: enabled=true clamps short exposure to >=0, false passes through) — the
block the momentum demo strategy (next commit) sweeps to prove the key generic
over a bool axis. The engine change is one additive pure read accessor; no
existing signature changes, trace state stays out of the engine.

Self-verified: cargo build --workspace, cargo test --workspace (all green incl.
the LongOnly node tests, the member_key worked-examples corpus, the varying_axes
accessor test, and the updated SMA sweep-trace integration test), cargo clippy
--workspace --all-targets -D warnings.

refs #105
2026-06-21 11:15:22 +02:00
Brummel 8bb5256041 feat(trace-charts): persist recorder taps to disk (iter 1)
Iteration 1 (persist half) of the visual face — spec 0056 / plan 0055:
tap data from a graph and save it to disk so it can later be charted
(the serve/chart half is iteration 2).

- ColumnarTrace (aura-engine): a drained tap <-> columnar SoA form
  ({tap, kinds, ts, columns}); values coerced to f64 for plotting with
  the base type preserved in `kinds` (C7); to_rows rebuilds uniformly-f64
  rows for the serve-side join. Pure (C1), beside join_on_ts/summarize.
- TraceStore (aura-registry): a per-run directory under
  runs/traces/<name>/ — one <tap>.json per tap + an index.json (manifest
  + tap order), beside the families.jsonl sibling store. Missing run =
  NotFound (no panic); corrupt file = Parse{file}.
- CLI: a shared persist_traces helper threaded into run_sample /
  run_macd / run_sample_real via an orthogonal `trace: Option<&str>`;
  new arms `aura run [--macd] --trace <name>` and `--trace <name>` on
  `run --real`. The default (no --trace) run is byte-for-byte unchanged.

Verified by the orchestrator: `cargo test --workspace` green (incl. the
4 columnar_trace, 3 trace_store, 4 cli_run e2e, and the 4-tuple
parse_real_args tests); `cargo clippy --workspace --all-targets -D
warnings` exit 0. Implementer deviations folded in, all
compiler-prescribed: #[derive(Debug)] on RunTraces (the RED tests
panic-format a Result over it), #[allow(clippy::type_complexity)] on
the parse_real_args 4-tuple (mirrors the crate's sample_harness idiom).
Default-run byte-identity stays pinned by run_prints_json_and_exits_zero.

refs #101
2026-06-19 00:14:18 +02:00
Brummel 74324d178f feat(aura-engine): join_on_ts — timestamp join for multi-tap sink traces
Ship a generic, spine-anchored join_on_ts helper + JoinedRow in the report
layer (sibling of summarize/f64_field), re-exported from lib.rs. It fuses N
recorded (Timestamp, Vec<Scalar>) tap streams on the recorded timestamp:
exactly one JoinedRow per spine entry, each side looked up by ts as
Some(row)/None where it did not fire. Option-per-side semantics keep the
engine honest — it reports presence; the consumer interprets absence (the
0.0/-1/false defaults are consumer truths, not engine ones). C8/C18 (post-run
reduction over recorded sink output), C3 (no in-graph join), C1 (one row per
ts, documented precondition).

Two unit tests pin the contract: cardinality-misalignment alignment (the #93
shape — a spine bar a side tap skipped resolves to None, not a zip-misalign)
and the spine-anchored drop of a side row at a non-spine ts. RED accepted on
the grounding-check record (both symbols were absent pre-cycle, so the tests
are RED-by-construction) and verified green here.

drain_trace's migration onto this helper + the Recorder doc note follow.

refs #93
2026-06-18 14:55:30 +02:00