Aura/crates/aura-cli/tests/research_docs.rs

//! End-to-end coverage for the `aura process` verb family (#188/#189): drives
//! the built `aura` binary over argv/file, the exact surface a data-level
//! author uses.

use std::path::{Path, PathBuf};

mod common;
use common::{ScratchGuard, ScratchPath, fresh_project, fresh_project_with_data};

/// A fresh, unique working directory for a process test that persists
/// content-addressed documents under `./runs/` (so `aura process register`
/// never dirties the repo). Unique per test + per process; no external
/// tempfile dependency (mirrors `cli_run.rs` / `cli_broken_pipe.rs`).
fn temp_cwd(name: &str) -> PathBuf {
    let dir = Path::new(env!("CARGO_TARGET_TMPDIR")).join(format!("aura-cli-{name}"));
    let _ = std::fs::remove_dir_all(&dir);
    std::fs::create_dir_all(&dir).expect("create temp cwd");
    dir
}

fn run_code_in(dir: &Path, args: &[&str]) -> (String, Option<i32>) {
    let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
        .args(args)
        .current_dir(dir)
        .output()
        .expect("binary runs");
    let text = format!(
        "{}{}",
        String::from_utf8_lossy(&out.stdout),
        String::from_utf8_lossy(&out.stderr)
    );
    (text, out.status.code())
}

fn run_code(args: &[&str]) -> (String, Option<i32>) {
    run_code_in(Path::new("."), args)
}

const PROCESS_DOC: &str = r#"{
  "format_version": 1,
  "kind": "process",
  "name": "wf-deflated-screen",
  "pipeline": [
    { "block": "std::sweep", "metric": "net_expectancy_r", "select": "plateau:worst", "deflate": true },
    { "block": "std::gate", "all": [
        { "metric": "net_expectancy_r", "cmp": "gt", "value": 0.0 },
        { "metric": "overfit_probability", "cmp": "lt", "value": 0.1 } ] },
    { "block": "std::walk_forward", "in_sample_ms": 4000, "out_of_sample_ms": 1000,
      "step_ms": 1000, "mode": "rolling", "metric": "net_expectancy_r", "select": "argmax" }
  ]
}"#;

fn write_doc(dir: &Path, name: &str, text: &str) -> PathBuf {
    let p = dir.join(name);
    std::fs::write(&p, text).expect("write doc");
    p
}

#[test]
fn process_validate_reports_intrinsic_ok() {
    let dir = temp_cwd("process-validate-ok");
    write_doc(&dir, "p.process.json", PROCESS_DOC);
    let (out, code) = run_code_in(&dir, &["process", "validate", "p.process.json"]);
    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    assert!(out.contains("process document valid (intrinsic): 3 pipeline blocks, 2 gate predicates"));
}

#[test]
fn process_validate_refuses_unknown_metric_as_prose_exit_1() {
    let dir = temp_cwd("process-validate-bad-metric");
    let bad = PROCESS_DOC.replacen(
        "net_expectancy_r\", \"select\": \"plateau:worst",
        "netto_r\", \"select\": \"plateau:worst",
        1,
    );
    write_doc(&dir, "bad.process.json", &bad);
    let (out, code) = run_code_in(&dir, &["process", "validate", "bad.process.json"]);
    assert_eq!(code, Some(1));
    assert!(out.contains("unknown metric \"netto_r\""));
    assert!(!out.contains("UnknownMetric"), "Debug leak: {out}");
}

#[test]
fn process_validate_refuses_zero_walk_forward_length_as_prose_exit_1() {
    let dir = temp_cwd("process-validate-zero-wf");
    let bad = PROCESS_DOC.replacen("\"step_ms\": 1000", "\"step_ms\": 0", 1);
    write_doc(&dir, "bad.process.json", &bad);
    let (out, code) = run_code_in(&dir, &["process", "validate", "bad.process.json"]);
    assert_eq!(code, Some(1), "stdout/stderr: {out}");
    assert!(out.contains("pipeline[2]: walk_forward step_ms must be > 0"), "stdout/stderr: {out}");
    assert!(!out.contains("ZeroWalkForwardLength"), "Debug leak: {out}");
}

/// A document authored against the vocabulary `std::walk_forward` carried
/// before cycle 0107 (`folds`/`in_sample_bars`/`out_of_sample_bars`, none of
/// which the engine's `WindowRoller` accepts) is refused end-to-end through
/// the CLI's malformed-document path (a parse failure, distinct from the
/// validate-fault path exercised above) with prose naming the offending
/// slot — never a Debug-formatted `DocError`, never a silent accept of the
/// retired shape.
#[test]
fn process_validate_refuses_retired_walk_forward_vocabulary_as_prose_exit_1() {
    let dir = temp_cwd("process-validate-retired-wf-vocab");
    let bad = PROCESS_DOC.replacen(
        "{ \"block\": \"std::walk_forward\", \"in_sample_ms\": 4000, \"out_of_sample_ms\": 1000,\n      \"step_ms\": 1000, \"mode\": \"rolling\", \"metric\": \"net_expectancy_r\", \"select\": \"argmax\" }",
        "{ \"block\": \"std::walk_forward\", \"folds\": 4, \"in_sample_bars\": 4000, \"out_of_sample_bars\": 1000, \"metric\": \"net_expectancy_r\", \"select\": \"argmax\" }",
        1,
    );
    assert_ne!(bad, PROCESS_DOC, "replacen must actually match the fixture's walk_forward stage");
    write_doc(&dir, "bad.process.json", &bad);
    let (out, code) = run_code_in(&dir, &["process", "validate", "bad.process.json"]);
    assert_eq!(code, Some(1), "stdout/stderr: {out}");
    assert!(out.contains("unknown slot \"folds\""), "stdout/stderr: {out}");
    assert!(!out.contains("Malformed"), "Debug leak: {out}");
}

/// The roller's second `RollMode` — `anchored` (growing, origin-fixed
/// in-sample) — round-trips through the CLI's actual validate path, not
/// just the `slot_kind_label` description string: a data author who writes
/// `"mode": "anchored"` gets a valid document, exercising the `WfMode`
/// serde oracle's non-default variant end to end.
#[test]
fn process_validate_accepts_anchored_walk_forward_mode() {
    let dir = temp_cwd("process-validate-anchored-wf-mode");
    let anchored = PROCESS_DOC.replacen("\"mode\": \"rolling\"", "\"mode\": \"anchored\"", 1);
    assert_ne!(anchored, PROCESS_DOC, "replacen must actually match the fixture's mode field");
    write_doc(&dir, "anchored.process.json", &anchored);
    let (out, code) = run_code_in(&dir, &["process", "validate", "anchored.process.json"]);
    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    assert!(out.contains("process document valid (intrinsic): 3 pipeline blocks, 2 gate predicates"));
}

#[test]
fn process_introspect_vocabulary_block_and_content_id() {
    let (out, code) = run_code(&["process", "introspect", "--vocabulary"]);
    assert_eq!(code, Some(0));
    for id in ["std::sweep", "std::gate", "std::walk_forward", "std::monte_carlo", "std::generalize"] {
        assert!(out.contains(id), "vocabulary misses {id}: {out}");
    }
    let (out, code) = run_code(&["process", "introspect", "--block", "std::sweep"]);
    assert_eq!(code, Some(0));
    assert!(out.contains("metric"));
    // The selection group (metric/select/deflate) is optional — a sweep with
    // no selection is a terminal, selection-free stage (#210).
    assert!(out.contains("optional"));

    let (out, code) = run_code(&["process", "introspect", "--block", "std::walk_forward"]);
    assert_eq!(code, Some(0));
    for slot in ["in_sample_ms", "out_of_sample_ms", "step_ms", "mode"] {
        assert!(out.contains(slot), "walk_forward describe misses {slot}: {out}");
    }
    assert!(out.contains("one of: rolling | anchored"), "mode label missing: {out}");
    assert!(!out.contains("folds"), "retired slot still advertised: {out}");

    let dir = temp_cwd("process-introspect-content-id");
    write_doc(&dir, "p.process.json", PROCESS_DOC);
    let (out, code) = run_code_in(&dir, &["process", "introspect", "--content-id", "p.process.json"]);
    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    // #194: --content-id prints the bare 64-hex id (matching `graph introspect
    // --content-id` and the store filename), no glued `content:` display prefix.
    let line = out.lines().last().expect("id line").trim();
    assert_eq!(line.len(), 64, "bare 64-hex id, no content: prefix: {out}");
    assert!(line.chars().all(|c| c.is_ascii_hexdigit()), "bare hex id: {out}");
    assert!(!out.contains("content:"), "--content-id must not glue the content: prefix: {out}");
}

#[test]
fn process_introspect_unknown_block_is_prose_exit_1() {
    let (out, code) = run_code(&["process", "introspect", "--block", "std::nope"]);
    assert_eq!(code, Some(1), "stdout/stderr: {out}");
    assert!(out.contains("unknown block \"std::nope\""), "stdout/stderr: {out}");
}

#[test]
fn process_introspect_unwired_lists_open_slots() {
    let dir = temp_cwd("process-introspect-unwired");
    // std::gate's "all" slot is required (unlike std::sweep's now-optional
    // selection group, #210), so it still exercises the pipeline-level open
    // slot listing alongside the top-level "name" slot.
    let partial = r#"{ "format_version": 1, "kind": "process",
        "pipeline": [ { "block": "std::gate" } ] }"#;
    write_doc(&dir, "partial.process.json", partial);
    let (out, code) = run_code_in(&dir, &["process", "introspect", "--unwired", "partial.process.json"]);
    assert_eq!(code, Some(0));
    assert!(out.contains("open slot: name"));
    assert!(out.contains("open slot: pipeline[0].all"));
}

#[test]
fn process_introspect_no_flag_is_usage_exit_2() {
    let (_out, code) = run_code(&["process", "introspect"]);
    assert_eq!(code, Some(2));
}

/// #197 (fieldtest 0107 F9): the metric roster is enumerable from the public
/// surface. `aura process introspect --metrics` lists every name in
/// `aura_research::metric_vocabulary()` (17), each annotated with where it is
/// applicable — `rankable` (a sweep/walk_forward `select` metric, from
/// `aura_campaign::RANKABLE_METRICS`), `gate` (a gate-predicate per-member
/// scalar, from `aura_campaign::PER_MEMBER_METRICS`), or `annotation` (in
/// neither roster — a selection annotation that can neither rank nor gate). The
/// split the executor enforces at preflight (a metric may exist yet not be
/// rankable, F9) is thereby readable before any trial run. #207 (fieldtest
/// 0108 F8) adds a fourth tag `generalize` on the rankable R-expectancy family
/// (`expectancy_r`, `net_expectancy_r`, `sqn`, `sqn_normalized`) — exactly the
/// names `aura_registry::check_r_metric` accepts, i.e. std::generalize's
/// cross-instrument accept-set — so an author can read WHICH metrics generalize
/// before authoring the stage. A rankable non-R metric (`total_pips`) and an
/// R-denominated-but-unranked metric (`max_r_drawdown`) both stay OUT of it:
/// the tag tracks `check_r_metric`, not the presence of `_r` in the name.
/// Substrings are pinned, not exact column widths.
#[test]
fn process_introspect_metrics_lists_vocabulary_with_applicability() {
    let (out, code) = run_code(&["process", "introspect", "--metrics"]);
    assert_eq!(code, Some(0), "stdout/stderr: {out}");

    // One line per vocabulary name, nothing else — the whole 17-name roster.
    let lines: Vec<&str> = out.lines().filter(|l| !l.trim().is_empty()).collect();
    assert_eq!(lines.len(), 17, "one line per metric_vocabulary() name: {out}");

    // Locate a metric's line by its exact name column (first whitespace token),
    // so `expectancy_r` never matches `net_expectancy_r`'s line.
    let line_for = |name: &str| -> String {
        out.lines()
            .find(|l| l.split_whitespace().next() == Some(name))
            .unwrap_or_else(|| panic!("no line for {name}: {out}"))
            .to_string()
    };

    // expectancy_r is BOTH rankable and a per-member gate scalar.
    let er = line_for("expectancy_r");
    assert!(er.contains("rankable") && er.contains("gate"), "expectancy_r tags: {er}");

    // total_pips likewise (a rankable scalar that is also per-member).
    let tp = line_for("total_pips");
    assert!(tp.contains("rankable") && tp.contains("gate"), "total_pips tags: {tp}");

    // win_rate is per-member (gate) but NOT rankable.
    let wr = line_for("win_rate");
    assert!(wr.contains("gate") && !wr.contains("rankable"), "win_rate tags: {wr}");

    // deflated_score is a selection annotation — in neither roster.
    let ds = line_for("deflated_score");
    assert!(ds.contains("annotation"), "deflated_score tag: {ds}");

    // #207: the four rankable R-expectancy names — std::generalize's
    // cross-instrument accept-set (aura_registry::check_r_metric) — carry the
    // `generalize` tag, so an author reads WHICH metrics generalize from the
    // roster instead of guessing at the stage.
    for name in ["expectancy_r", "net_expectancy_r", "sqn", "sqn_normalized"] {
        let l = line_for(name);
        assert!(l.contains("generalize"), "{name} must carry the generalize tag: {l}");
    }

    // A rankable-but-not-R metric (total_pips) and an R-DENOMINATED-but-unranked
    // metric (max_r_drawdown, a drawdown IN R) both stay out of the generalize
    // set: the tag tracks check_r_metric, never the `_r` in the name.
    assert!(!tp.contains("generalize"), "total_pips must not carry generalize: {tp}");
    let mrd = line_for("max_r_drawdown");
    assert!(!mrd.contains("generalize"), "max_r_drawdown must not carry generalize: {mrd}");
}

/// `--metrics` joins the existing one-mode guard: exactly one introspect mode
/// is allowed, so `--metrics` alongside another mode refuses with the usage
/// line (exit 2), and that usage line is extended to advertise `--metrics` as
/// one of the modes. (The guard's own `Usage: aura process introspect
/// --vocabulary …` line is asserted — never clap's unknown-arg error, which
/// spells the flag list as `[OPTIONS]`.)
#[test]
fn process_introspect_metrics_plus_another_mode_is_usage_exit_2() {
    let (out, code) = run_code(&["process", "introspect", "--metrics", "--vocabulary"]);
    assert_eq!(code, Some(2), "stdout/stderr: {out}");
    assert!(
        out.contains("Usage: aura process introspect --vocabulary"),
        "the one-mode guard usage line must fire: {out}"
    );
    assert!(out.contains("--metrics"), "the usage line must advertise --metrics: {out}");
}

#[test]
fn process_register_stores_content_addressed_under_runs_root() {
    let dir = temp_cwd("process-register");
    write_doc(&dir, "p.process.json", PROCESS_DOC);
    let (out, code) = run_code_in(&dir, &["process", "register", "p.process.json"]);
    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    // #194: the register verb prints the bare id — `registered process <id> (<path>)`.
    let line = out.lines().find(|l| l.starts_with("registered process ")).expect("line");
    assert!(!line.contains("content:"), "register line prints the bare id, no content: prefix: {line}");
    let id = line
        .trim_start_matches("registered process ")
        .split(' ')
        .next()
        .expect("id");
    assert!(dir.join("runs").join("processes").join(format!("{id}.json")).is_file());
}

/// The `aura campaign validate` referential tier (the campaign family's
/// headline addition over the intrinsic-only process family), exercised at
/// the CLI seam inside a real project: a fully-resolved document prints the
/// "valid (referential)" success line, and an unresolved reference prints
/// the "do not resolve" fault block through `ref_fault_prose`. The
/// constituents (`validate_campaign_refs`, `ref_fault_prose`) are unit-
/// tested elsewhere; this pins that `aura campaign validate` actually wires
/// them together end to end.
#[test]
fn campaign_validate_in_project_reports_referential_tier_end_to_end() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("seed.process.json")),
        ScratchPath::File(dir.join("ref-ok.campaign.json")),
        ScratchPath::File(dir.join("ref-bad.campaign.json")),
    ]);

    // Seed one real, content-addressed blueprint into the project's own
    // store via a real sweep over its bound params, which the axes reopen
    // as overridable defaults (#246) (mirrors `project_load.rs`'s anchor
    // test).
    let closed_bp = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
    let (sweep_out, sweep_code) = run_code_in(
        &dir,
        &[
            "sweep",
            &closed_bp,
            "--axis",
            "sma_signal.fast.length=2,4",
            "--axis",
            "sma_signal.slow.length=8,16",
            "--name",
            "campaign-ref-seed",
        ],
    );
    assert_eq!(sweep_code, Some(0), "seed sweep failed: {sweep_out}");
    let bp_id = std::fs::read_dir(runs_dir.join("blueprints"))
        .expect("blueprints dir")
        .next()
        .expect("one stored blueprint")
        .expect("dir entry")
        .path()
        .file_stem()
        .expect("stem")
        .to_string_lossy()
        .into_owned();

    // Register a valid AND executable process into the same project store:
    // this test's OK campaign must pass all three validate tiers, and
    // PROCESS_DOC's sweep (deflate: true + plateau:worst) is intrinsically
    // valid but statically refused by the executor preflight (#205's third
    // tier) — so the referential fixture gets an argmax/no-deflate twin.
    let exec_process = PROCESS_DOC
        .replacen(
            "\"select\": \"plateau:worst\", \"deflate\": true",
            "\"select\": \"argmax\", \"deflate\": false",
            1,
        )
        // ... and its gate predicates over the annotation metric
        // overfit_probability (not per-member) flip to a per-member scalar.
        .replacen("\"overfit_probability\", \"cmp\": \"lt\", \"value\": 0.1", "\"win_rate\", \"cmp\": \"lt\", \"value\": 1.1", 1);
    assert_ne!(exec_process, PROCESS_DOC, "replacen must match the sweep stage");
    write_doc(&dir, "seed.process.json", &exec_process);
    let (proc_out, proc_code) = run_code_in(&dir, &["process", "register", "seed.process.json"]);
    assert_eq!(proc_code, Some(0), "seed process register failed: {proc_out}");
    let proc_id = proc_out
        .lines()
        .find(|l| l.starts_with("registered process "))
        .expect("register line")
        .trim_start_matches("registered process ")
        .split(' ')
        .next()
        .expect("id")
        .trim_start_matches("content:")
        .to_string();

    // "fast.length": the axis name is the RAW composite's `param_space` name.
    // `validate_campaign_refs` loads the stored blueprint bare, unlike the
    // sweep's `wrap_r`-wrapped axis probe, so it does NOT carry the
    // "sma_signal." prefix `aura sweep --axis` binds against.
    let campaign = format!(
        r#"{{
  "format_version": 1,
  "kind": "campaign",
  "name": "ref-check",
  "data": {{ "instruments": ["GER40"], "windows": [ {{ "from_ms": 1, "to_ms": 2 }} ] }},
  "strategies": [ {{ "ref": {{ "content_id": "{bp}" }},
                    "axes": {{ "fast.length": {{ "kind": "I64", "values": [2] }},
                              "slow.length": {{ "kind": "I64", "values": [6] }} }} }} ],
  "process": {{ "ref": {{ "content_id": "{proc}" }} }},
  "seed": 1,
  "presentation": {{ "persist_taps": [], "emit": ["family_table"] }}
}}"#,
        bp = bp_id,
        proc = proc_id
    );
    write_doc(&dir, "ref-ok.campaign.json", &campaign);
    let (out, code) = run_code_in(&dir, &["campaign", "validate", "ref-ok.campaign.json"]);
    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    assert!(out.contains(
        "campaign document valid (referential): all references resolve, axes are in the param space"
    ));

    // An unresolved process reference: the fault block + `ref_fault_prose`
    // mapping, prose exit 1, at the same CLI seam.
    let bad = campaign.replace(&proc_id, "0000000000000000000000000000000000000000000000000000000000000000");
    write_doc(&dir, "ref-bad.campaign.json", &bad);
    let (out2, code2) = run_code_in(&dir, &["campaign", "validate", "ref-bad.campaign.json"]);
    assert_eq!(code2, Some(1));
    assert!(out2.contains("campaign references do not resolve:"), "stdout/stderr: {out2}");
    assert!(out2.contains("not found in the project store"), "stdout/stderr: {out2}");

    // `_cleanup` (a `ScratchGuard`) removes the scratch docs and `runs/` on
    // drop, at the end of this scope — including on a mid-test panic.
}

const CAMPAIGN_DOC: &str = r#"{
  "format_version": 1,
  "kind": "campaign",
  "name": "screen",
  "data": { "instruments": ["GER40"], "windows": [ { "from_ms": 1, "to_ms": 2 } ] },
  "strategies": [ { "ref": { "content_id": "9f3a" },
                    "axes": { "fast": { "kind": "I64", "values": [8] } } } ],
  "process": { "ref": { "content_id": "4e2d" } },
  "seed": 1,
  "presentation": { "persist_taps": [], "emit": ["family_table"] }
}"#;

#[test]
fn campaign_validate_outside_project_skips_referential_tier() {
    let dir = temp_cwd("campaign-validate-outside-project");
    write_doc(&dir, "c.campaign.json", CAMPAIGN_DOC);
    let (out, code) = run_code_in(&dir, &["campaign", "validate", "c.campaign.json"]);
    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    assert!(out.contains("campaign document valid (intrinsic):"));
    assert!(out.contains("referential checks skipped (no Aura.toml found up from "));
}

#[test]
fn campaign_validate_refuses_empty_axis_prose_exit_1() {
    let dir = temp_cwd("campaign-validate-empty-axis");
    let bad = CAMPAIGN_DOC.replacen(r#""values": [8]"#, r#""values": []"#, 1);
    write_doc(&dir, "bad.campaign.json", &bad);
    let (out, code) = run_code_in(&dir, &["campaign", "validate", "bad.campaign.json"]);
    assert_eq!(code, Some(1));
    assert!(out.contains("axes.fast: an axis is a non-empty finite set"));
    assert!(!out.contains("EmptyAxis"), "Debug leak: {out}");
}

/// #210 risk-regime axis: a campaign document carrying a `risk` section
/// round-trips through the CLI's actual `campaign validate` binary path
/// (parse -> `validate_campaign`) without a fault. Before this iteration the
/// `RiskRegime`/`CampaignDoc.risk` wiring was proven only inside
/// `aura-research`'s own unit tests; this pins that the new field is actually
/// reachable — and accepted when well-formed — at the CLI seam a data author
/// drives, not merely inside the library.
#[test]
fn campaign_validate_accepts_a_valid_risk_section_end_to_end() {
    let dir = temp_cwd("campaign-validate-risk-ok");
    let with_risk = CAMPAIGN_DOC.replacen(
        "\"seed\": 1,",
        "\"seed\": 1,\n  \"risk\": [ { \"vol\": { \"length\": 3, \"k\": 1.5 } } ],",
        1,
    );
    assert_ne!(with_risk, CAMPAIGN_DOC, "replacen must actually match the fixture's seed field");
    write_doc(&dir, "risk-ok.campaign.json", &with_risk);
    let (out, code) = run_code_in(&dir, &["campaign", "validate", "risk-ok.campaign.json"]);
    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    assert!(out.contains("campaign document valid (intrinsic):"), "stdout/stderr: {out}");
    assert!(!out.contains("BadRegime"), "Debug leak: {out}");
}

/// #210: a non-positive stop regime (`k <= 0`, here `k: 0.0`) is refused by
/// `validate_campaign`'s `DocFault::BadRegime` and — the property under test —
/// that fault reaches the CLI's `doc_fault_prose` mapping end to end: exit 1,
/// prose naming the offending index and BOTH malformed fields ("stop length
/// must be >= 1 and k must be > 0"), never the bare `BadRegime` Debug variant.
#[test]
fn campaign_validate_refuses_bad_risk_regime_prose_exit_1() {
    let dir = temp_cwd("campaign-validate-risk-bad");
    let with_bad_risk = CAMPAIGN_DOC.replacen(
        "\"seed\": 1,",
        "\"seed\": 1,\n  \"risk\": [ { \"vol\": { \"length\": 3, \"k\": 0.0 } } ],",
        1,
    );
    assert_ne!(with_bad_risk, CAMPAIGN_DOC, "replacen must actually match the fixture's seed field");
    write_doc(&dir, "risk-bad.campaign.json", &with_bad_risk);
    let (out, code) = run_code_in(&dir, &["campaign", "validate", "risk-bad.campaign.json"]);
    assert_eq!(code, Some(1), "stdout/stderr: {out}");
    assert!(
        out.contains("risk[0]: stop length must be >= 1 and k must be > 0"),
        "stdout/stderr: {out}"
    );
    assert!(!out.contains("BadRegime"), "Debug leak: {out}");
}

/// #216: the intrinsic validate summary reports the realized matrix — the
/// exec cross-product strategies × instruments × windows × regimes — so an
/// 8-cell document no longer reads as regime-less. Points (the axis grid) are
/// deliberately NOT a cell factor: 2 points here, yet 8 cells.
#[test]
fn campaign_validate_counts_regimes_and_cells() {
    let dir = temp_cwd("campaign-validate-cells");
    let doc = r#"{
  "format_version": 1,
  "kind": "campaign",
  "name": "screen",
  "data": { "instruments": ["GER40", "FRA40"],
            "windows": [ { "from_ms": 1, "to_ms": 2 }, { "from_ms": 2, "to_ms": 3 } ] },
  "risk": [ { "vol": { "length": 3, "k": 1.5 } }, { "vol": { "length": 3, "k": 3.0 } } ],
  "strategies": [ { "ref": { "content_id": "9f3a" },
                    "axes": { "fast": { "kind": "I64", "values": [8, 16] } } } ],
  "process": { "ref": { "content_id": "4e2d" } },
  "seed": 1,
  "presentation": { "persist_taps": [], "emit": ["family_table"] }
}"#;
    write_doc(&dir, "cells.campaign.json", doc);
    let (out, code) = run_code_in(&dir, &["campaign", "validate", "cells.campaign.json"]);
    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    assert!(
        out.contains("campaign document valid (intrinsic): 1 strategy(ies), 1 axes (2 points), 2 instrument(s), 2 window(s), 2 regime(s) — 8 cell(s)"),
        "stdout/stderr: {out}"
    );
}

/// #216: a risk-less document counts its implicit default regime honestly —
/// one regime, marked "(default)" — instead of reading as regime-less.
#[test]
fn campaign_validate_counts_the_default_regime() {
    let dir = temp_cwd("campaign-validate-default-regime");
    write_doc(&dir, "c.campaign.json", CAMPAIGN_DOC);
    let (out, code) = run_code_in(&dir, &["campaign", "validate", "c.campaign.json"]);
    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    assert!(
        out.contains("campaign document valid (intrinsic): 1 strategy(ies), 1 axes (1 points), 1 instrument(s), 1 window(s), 1 regime(s) (default) — 1 cell(s)"),
        "stdout/stderr: {out}"
    );
}

#[test]
fn campaign_introspect_vocabulary_lists_sections() {
    let (out, code) = run_code(&["campaign", "introspect", "--vocabulary"]);
    assert_eq!(code, Some(0));
    // #216: std::risk joins the roster the CLI's own --vocabulary listing
    // enumerates — the regime axis is discoverable from the public surface,
    // not only from the design ledger or a generated document.
    for id in ["std::data", "std::strategy", "std::process_ref", "std::presentation", "std::risk", "std::cost"] {
        assert!(out.contains(id), "vocabulary misses {id}: {out}");
    }
}

/// #216: `--block std::risk` (the CLI's own introspection, not the
/// `aura-research` library directly) names the regime shape and its
/// absent-means-default semantics — the second half of "the risk-regime axis
/// is undiscoverable from the ... introspection surface" (mirrors the
/// existing `--block std::presentation` / tap-vocabulary pin).
#[test]
fn campaign_introspect_block_risk_describes_the_regime_shape() {
    let (out, code) = run_code(&["campaign", "introspect", "--block", "std::risk"]);
    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    assert!(
        out.contains("list of stop regimes { vol: { length, k } }; absent = one default regime"),
        "the block description must name the regime shape: {out}"
    );
    assert!(
        out.contains("optional, list of stop regimes { vol: { length, k } }; absent = one default regime"),
        "the risk slot must render as optional: {out}"
    );
    assert!(
        out.contains("std::risk — campaign section: the structural risk axis"),
        "stdout/stderr: {out}"
    );
}

/// #234: `--block std::cost` names the component shape and its
/// absent-means-zero-costs semantics — the cost model is discoverable from
/// the public introspection surface (the `std::risk` #216 precedent).
#[test]
fn campaign_introspect_block_cost_describes_the_component_shape() {
    let (out, code) = run_code(&["campaign", "introspect", "--block", "std::cost"]);
    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    assert!(
        out.contains("optional, list of cost components { constant: { cost_per_trade } } | { vol_slippage: { slip_vol_mult } } | { carry: { carry_per_cycle } }; absent = zero costs (net == gross)"),
        "the cost slot must render as optional with the component shape: {out}"
    );
    assert!(
        out.contains("std::cost — campaign section: the cost model"),
        "stdout/stderr: {out}"
    );
}

/// #216: a complete-but-risk-less campaign document (the exact shape a
/// verb-generated document has before a `--stop-*` flag is added) has its one
/// remaining open slot — the optional risk axis — enumerated by the public
/// `campaign introspect --unwired` CLI surface. Before this iteration the
/// slot existed only in the `aura-research` library's own unit tests; a
/// consumer with just the built binary had no way to discover it (#216's
/// exact complaint: "never lists the risk slot").
#[test]
fn campaign_introspect_unwired_lists_the_risk_slot_when_absent() {
    let dir = temp_cwd("campaign-introspect-unwired-risk");
    write_doc(&dir, "c.campaign.json", CAMPAIGN_DOC);
    let (out, code) = run_code_in(&dir, &["campaign", "introspect", "--unwired", "c.campaign.json"]);
    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    assert!(
        out.contains(
            "open slot: risk (optional, list of stop regimes { vol: { length, k } }; absent = one default regime)"
        ),
        "stdout/stderr: {out}"
    );
}

/// #216: the bare-envelope probe (`{}` — the issue's exact reproduction)
/// names the optional risk axis alongside the required envelope slots.
#[test]
fn campaign_introspect_unwired_lists_the_optional_risk_slot_on_bare_envelope() {
    let dir = temp_cwd("campaign-introspect-unwired-risk-bare");
    write_doc(&dir, "bare.json", "{}");
    let (out, code) = run_code_in(&dir, &["campaign", "introspect", "--unwired", "bare.json"]);
    assert_eq!(code, Some(0));
    assert!(
        out.contains("open slot: risk (optional, list of stop regimes { vol: { length, k } }; absent = one default regime)"),
        "stdout/stderr: {out}"
    );
}

/// #216/#234: bound (non-empty) risk AND cost lists close both optional
/// slots — a complete document with both reports no open slots at all.
#[test]
fn campaign_introspect_unwired_omits_bound_risk_and_cost_slots() {
    let dir = temp_cwd("campaign-introspect-unwired-risk-bound");
    let with_both = CAMPAIGN_DOC.replacen(
        "\"seed\": 1,",
        "\"seed\": 1,\n  \"risk\": [ { \"vol\": { \"length\": 3, \"k\": 2.0 } } ],\n  \"cost\": [ { \"constant\": { \"cost_per_trade\": 2.0 } } ],",
        1,
    );
    assert_ne!(with_both, CAMPAIGN_DOC, "replacen must actually match the fixture's seed field");
    write_doc(&dir, "bound.campaign.json", &with_both);
    let (out, code) =
        run_code_in(&dir, &["campaign", "introspect", "--unwired", "bound.campaign.json"]);
    assert_eq!(code, Some(0));
    assert!(!out.contains("open slot: risk"), "bound risk must not list: {out}");
    assert!(!out.contains("open slot: cost"), "bound cost must not list: {out}");
    assert!(out.contains("no open slots"), "stdout/stderr: {out}");
}

/// #216: an EXPLICIT `"risk": []` (key present, array empty) is still an open
/// slot — same as the key being absent entirely. The probe distinguishes
/// "bound" from "unbound" by non-emptiness, not by key presence
/// (`v.get("risk").and_then(|r| r.as_array()).is_some_and(|a| !a.is_empty())`);
/// a probe that instead branched on `is_none()` would wrongly treat an
/// explicit empty list as closed, and no other test in this file exercises
/// that branch (the absent-key and non-empty-array cases are covered above).
#[test]
fn campaign_introspect_unwired_lists_the_risk_slot_when_explicitly_empty() {
    let dir = temp_cwd("campaign-introspect-unwired-risk-explicit-empty");
    let explicit_empty = CAMPAIGN_DOC.replacen("\"seed\": 1,", "\"seed\": 1,\n  \"risk\": [],", 1);
    assert_ne!(explicit_empty, CAMPAIGN_DOC, "replacen must actually match the fixture's seed field");
    write_doc(&dir, "empty-risk.campaign.json", &explicit_empty);
    let (out, code) =
        run_code_in(&dir, &["campaign", "introspect", "--unwired", "empty-risk.campaign.json"]);
    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    assert!(
        out.contains(
            "open slot: risk (optional, list of stop regimes { vol: { length, k } }; absent = one default regime)"
        ),
        "an explicit empty risk array must still count as an open slot: {out}"
    );
}

#[test]
fn campaign_introspect_unwired_reports_the_spec_example_slots() {
    let dir = temp_cwd("campaign-introspect-unwired");
    let draft = r#"{ "format_version": 1, "kind": "campaign", "name": "draft",
        "data": { "instruments": ["GER40"], "windows": [ { "from_ms": 1, "to_ms": 2 } ] },
        "strategies": [ { "ref": { "content_id": "9f3a" },
                          "axes": { "slow": { "kind": "I64", "values": [] } } } ],
        "seed": 1,
        "presentation": { "persist_taps": [], "emit": [] } }"#;
    write_doc(&dir, "draft.campaign.json", draft);
    let (out, code) = run_code_in(&dir, &["campaign", "introspect", "--unwired", "draft.campaign.json"]);
    assert_eq!(code, Some(0));
    assert!(out.contains("open slot: process.ref (required, content id of a process document)"));
    assert!(out.contains("open slot: strategies[0].axes.slow (axis declared empty — a P1 axis is a non-empty finite set)"));
}

/// #195 (fieldtest 0106 F4): the consumer view of the placeholder-ref probe.
/// A draft that spells its open refs as `"ref": {}` / `"ref": null` — the
/// natural drafting placeholders — has `--unwired` enumerate BOTH as open slots
/// (exit 0), instead of the old cryptic serde refusal / silent "no open slots".
#[test]
fn campaign_introspect_unwired_reports_placeholder_refs() {
    let dir = temp_cwd("campaign-introspect-unwired-placeholder");
    let draft = r#"{ "format_version": 1, "kind": "campaign", "name": "draft",
        "data": { "instruments": ["GER40"], "windows": [ { "from_ms": 1, "to_ms": 2 } ] },
        "strategies": [ { "ref": null,
                          "axes": { "slow": { "kind": "I64", "values": [10, 20] } } } ],
        "process": { "ref": {} },
        "seed": 1,
        "presentation": { "persist_taps": [], "emit": [] } }"#;
    write_doc(&dir, "draft.campaign.json", draft);
    let (out, code) = run_code_in(&dir, &["campaign", "introspect", "--unwired", "draft.campaign.json"]);
    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    assert!(
        out.contains("open slot: strategies[0].ref (required, one of: content_id, identity_id)"),
        "strategy `ref: null` placeholder not enumerated: {out}"
    );
    assert!(
        out.contains("open slot: process.ref (required, content id of a process document)"),
        "process `ref: {{}}` placeholder not enumerated: {out}"
    );
}

/// The intrinsic tier value-checks `data.bindings` (no project, no store,
/// #231): a value outside the closed column vocabulary refuses
/// path-addressed, naming the vocabulary. NOT gated.
#[test]
fn campaign_validate_refuses_an_unknown_binding_column() {
    let dir = temp_cwd("campaign-validate-bad-binding");
    let doc = r#"{ "format_version": 1, "kind": "campaign", "name": "bad-binding",
        "data": { "bindings": { "price": "hl2" },
                  "instruments": ["GER40"], "windows": [ { "from_ms": 1, "to_ms": 2 } ] },
        "strategies": [ { "ref": { "content_id": "9f3a" },
                          "axes": { "slow": { "kind": "I64", "values": [10] } } } ],
        "process": { "ref": { "content_id": "9f3a" } },
        "seed": 1,
        "presentation": { "persist_taps": [], "emit": [] } }"#;
    write_doc(&dir, "bad.campaign.json", doc);
    let (out, code) = run_code_in(&dir, &["campaign", "validate", "bad.campaign.json"]);
    assert_eq!(code, Some(1), "stdout/stderr: {out}");
    assert!(
        out.contains(r#"data.bindings.price: "hl2" names no archive column"#),
        "the refusal is path-addressed and names the vocabulary: {out}"
    );
}

/// The campaign twin of `process_introspect_vocabulary_block_and_content_id`'s
/// `--content-id` branch: pins that `campaign introspect --content-id` wires
/// `parse_valid_campaign` + `campaign_to_json` + `content_id_of` end to end
/// (the process branch was covered; this one was not).
#[test]
fn campaign_introspect_content_id_prints_hash() {
    let dir = temp_cwd("campaign-introspect-content-id");
    write_doc(&dir, "c.campaign.json", CAMPAIGN_DOC);
    let (out, code) = run_code_in(&dir, &["campaign", "introspect", "--content-id", "c.campaign.json"]);
    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    // #194: --content-id prints the bare 64-hex id, no glued `content:` prefix.
    let line = out.lines().last().expect("id line").trim();
    assert_eq!(line.len(), 64, "bare 64-hex id, no content: prefix: {out}");
    assert!(line.chars().all(|c| c.is_ascii_hexdigit()), "bare hex id: {out}");
    assert!(!out.contains("content:"), "--content-id must not glue the content: prefix: {out}");
}

#[test]
fn campaign_register_stores_content_addressed_under_runs_root() {
    let dir = temp_cwd("campaign-register");
    write_doc(&dir, "c.campaign.json", CAMPAIGN_DOC);
    let (out, code) = run_code_in(&dir, &["campaign", "register", "c.campaign.json"]);
    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    // #194: the register verb prints the bare id — `registered campaign <id> (<path>)`.
    let line = out.lines().find(|l| l.starts_with("registered campaign ")).expect("line");
    assert!(!line.contains("content:"), "register line prints the bare id, no content: prefix: {line}");
    let id = line
        .trim_start_matches("registered campaign ")
        .split(' ')
        .next()
        .expect("id");
    assert!(dir.join("runs").join("campaigns").join(format!("{id}.json")).is_file());
}

/// `guard_one_mode` is shared, family-parameterized code (`process` and
/// `campaign` both route through it). The process family already pins the
/// zero-flags arm; this pins that the campaign family gets its own family
/// name threaded into the usage line, not a copy-pasted "process" string.
#[test]
fn campaign_introspect_no_flag_usage_names_the_campaign_family() {
    let (out, code) = run_code(&["campaign", "introspect"]);
    assert_eq!(code, Some(2), "stdout/stderr: {out}");
    assert!(
        out.contains("Usage: aura campaign introspect --vocabulary | --block <ID> | --unwired <FILE> | --content-id <FILE>"),
        "stdout/stderr: {out}"
    );
}

/// `guard_one_mode` requires *exactly* one mode: the zero-flags arm is
/// pinned elsewhere, but nothing previously exercised the over-selection
/// arm (`selected_modes() != 1` is not just `== 0`). Two modes at once must
/// refuse with the same usage-exit-2 idiom, not silently pick one.
#[test]
fn campaign_introspect_two_flags_is_usage_exit_2() {
    let (out, code) = run_code(&["campaign", "introspect", "--vocabulary", "--block", "std::data"]);
    assert_eq!(code, Some(2), "stdout/stderr: {out}");
    assert!(out.contains("Usage: aura campaign introspect"), "stdout/stderr: {out}");
}

/// #197: the metrics roster is process-side R-vocabulary, but `--metrics` rides
/// the shared `DocIntrospectCmd` both families route through, so `aura campaign
/// introspect --metrics` WORKS too rather than usage-refusing. Ground for the
/// pin: a mode the shared struct carries needs no per-family exclusion, and the
/// vocabulary a campaign's referenced process must name is thus discoverable
/// from the campaign verb as well (simplest honest reading). Same annotated
/// roster as the process family.
#[test]
fn campaign_introspect_metrics_also_lists_the_vocabulary() {
    let (out, code) = run_code(&["campaign", "introspect", "--metrics"]);
    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    let er = out
        .lines()
        .find(|l| l.split_whitespace().next() == Some("expectancy_r"))
        .unwrap_or_else(|| panic!("no expectancy_r line: {out}"));
    assert!(er.contains("rankable") && er.contains("gate"), "expectancy_r tags: {er}");
    assert!(
        out.lines()
            .any(|l| l.split_whitespace().next() == Some("deflated_score") && l.contains("annotation")),
        "the annotation roster is reachable from the campaign family too: {out}"
    );
}

/// 0109 task 1 (#201 decision 1): the closed tap vocabulary is discoverable
/// through the actual CLI binary, not just the `aura-research` library —
/// `campaign introspect --block std::presentation` composes
/// `describe_block` + `slot_kind_label` over the new `SlotKind::TapKinds`,
/// and this pins that composition reaches stdout with the exact four names,
/// so a future edit to `tap_vocabulary()` that forgets the CLI-visible label
/// (there is no other CLI test exercising `--block std::presentation`) fails
/// here instead of only in a library-level unit test.
#[test]
fn campaign_introspect_block_presentation_names_the_tap_vocabulary() {
    let (out, code) = run_code(&["campaign", "introspect", "--block", "std::presentation"]);
    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    assert!(
        out.contains("list of: equity | exposure | r_equity | net_r_equity"),
        "the block description must name the closed tap vocabulary: {out}"
    );
    assert!(out.contains("persist_taps"), "stdout/stderr: {out}");
}

/// #193 (narrowed scope, cycle-0107 F3): the whole document envelope IS
/// derivable — `introspect --unwired` over a bare `{}` enumerates every
/// top-level field (seed, data, strategies, process.ref, presentation) as an
/// open slot — but nothing pointed the author there, so the 0106 round
/// iterated blind `validate` errors instead of starting from the skeleton.
/// The shared `--unwired` help line now carries the skeleton hint naming that
/// starting move, making it discoverable from `--help` alone (the process and
/// campaign families share `DocIntrospectCmd`, so pinning one covers both).
/// Whitespace is normalized before matching so clap's help-column wrapping
/// (terminal-width dependent) can never split the pinned phrase.
#[test]
fn introspect_help_hints_the_bare_envelope_probe() {
    let (out, code) = run_code(&["campaign", "introspect", "--help"]);
    assert_eq!(code, Some(0), "clap --help exits 0: {out}");
    let flat = out.split_whitespace().collect::<Vec<_>>().join(" ");
    assert!(
        flat.contains("start from a bare {}"),
        "the --unwired help line must point at the bare-{{}} envelope probe: {out}"
    );
}

/// #193 (narrowed scope, cycle-0106 F1): a document whose `kind` key carries
/// the wrong value — the blind-author trap of pointing `process validate` at
/// a campaign-kind file — is refused with prose that NAMES the `kind` key the
/// author must fix ("the \"kind\" key must be \"process\""), instead of the
/// opaque "wrong document kind" that never told them WHICH field to change.
/// Autonomous: a minimal campaign-kind envelope written inline, refused at the
/// envelope check before any deserialization (exit 1), Debug-free.
#[test]
fn wrong_kind_refusal_names_the_kind_key() {
    let dir = temp_cwd("wrong-kind-names-key");
    write_doc(
        &dir,
        "mislabeled.process.json",
        r#"{ "format_version": 1, "kind": "campaign", "name": "x", "pipeline": [] }"#,
    );
    let (out, code) = run_code_in(&dir, &["process", "validate", "mislabeled.process.json"]);
    assert_eq!(code, Some(1), "stdout/stderr: {out}");
    assert!(
        out.contains("the \"kind\" key must be \"process\""),
        "the refusal must name the kind key the author must fix: {out}"
    );
    assert!(!out.contains("WrongKind"), "Debug leak: {out}");
}

/// Register must be a gate, not a passthrough: an invalid document is
/// refused with prose (exit 1) and — the property that matters for a
/// content-addressed store — no file is ever written under `runs/campaigns/`
/// for it. A store that could contain unvalidated documents would make
/// every downstream reader re-derive the checks register was supposed to
/// have already made.
#[test]
fn campaign_register_refuses_invalid_document_and_writes_nothing() {
    let dir = temp_cwd("campaign-register-invalid");
    let bad = CAMPAIGN_DOC.replacen(r#""values": [8]"#, r#""values": []"#, 1);
    write_doc(&dir, "bad.campaign.json", &bad);
    let (out, code) = run_code_in(&dir, &["campaign", "register", "bad.campaign.json"]);
    assert_eq!(code, Some(1), "stdout/stderr: {out}");
    assert!(out.contains("refusing to register:"), "stdout/stderr: {out}");
    assert!(out.contains("axes.fast: an axis is a non-empty finite set"), "stdout/stderr: {out}");
    assert!(
        !dir.join("runs").join("campaigns").exists(),
        "register must not create a store entry for an invalid document"
    );
}

/// #210: the register validate-gate extends to the new risk axis — a
/// document whose only fault is a non-positive stop regime is refused with
/// prose (exit 1) and, the property that matters for a content-addressed
/// store, no file is ever written under `runs/campaigns/`. A store that
/// accepted a document because register only checked the OLD fault kinds
/// would silently persist an unenforceable risk regime.
#[test]
fn campaign_register_refuses_invalid_risk_section_and_writes_nothing() {
    let dir = temp_cwd("campaign-register-invalid-risk");
    let bad = CAMPAIGN_DOC.replacen(
        "\"seed\": 1,",
        "\"seed\": 1,\n  \"risk\": [ { \"vol\": { \"length\": 0, \"k\": 2.0 } } ],",
        1,
    );
    assert_ne!(bad, CAMPAIGN_DOC, "replacen must actually match the fixture's seed field");
    write_doc(&dir, "bad-risk.campaign.json", &bad);
    let (out, code) = run_code_in(&dir, &["campaign", "register", "bad-risk.campaign.json"]);
    assert_eq!(code, Some(1), "stdout/stderr: {out}");
    assert!(out.contains("refusing to register:"), "stdout/stderr: {out}");
    assert!(
        out.contains("risk[0]: stop length must be >= 1 and k must be > 0"),
        "stdout/stderr: {out}"
    );
    assert!(
        !dir.join("runs").join("campaigns").exists(),
        "register must not create a store entry for an invalid risk section"
    );
}

/// #234: the register validate-gate extends to the cost model — a document
/// whose only fault is a negative cost knob is refused with prose (exit 1)
/// and no file is ever written under `runs/campaigns/` (the risk-section
/// precedent).
#[test]
fn campaign_register_refuses_invalid_cost_section_and_writes_nothing() {
    let dir = temp_cwd("campaign-register-invalid-cost");
    let bad = CAMPAIGN_DOC.replacen(
        "\"seed\": 1,",
        "\"seed\": 1,\n  \"cost\": [ { \"constant\": { \"cost_per_trade\": -2.0 } } ],",
        1,
    );
    assert_ne!(bad, CAMPAIGN_DOC, "replacen must actually match the fixture's seed field");
    write_doc(&dir, "bad-cost.campaign.json", &bad);
    let (out, code) = run_code_in(&dir, &["campaign", "register", "bad-cost.campaign.json"]);
    assert_eq!(code, Some(1), "stdout/stderr: {out}");
    assert!(out.contains("refusing to register:"), "stdout/stderr: {out}");
    assert!(
        out.contains("cost[0]: the component's price-unit knob must be finite and >= 0"),
        "stdout/stderr: {out}"
    );
    assert!(
        !dir.join("runs").join("campaigns").exists(),
        "register must not create a store entry for an invalid cost section"
    );
}

/// Seed one blueprint (its params bound, reopened by the sweep axes per
/// #246) into the built demo project's store via a real sweep and return
/// its content id (the referential test's recipe).
fn seed_blueprint(dir: &Path, name: &str) -> String {
    let closed_bp = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
    let (out, code) = run_code_in(
        dir,
        &[
            "sweep",
            &closed_bp,
            "--axis",
            "sma_signal.fast.length=2,4",
            "--axis",
            "sma_signal.slow.length=8,16",
            "--name",
            name,
        ],
    );
    assert_eq!(code, Some(0), "seed sweep failed: {out}");
    std::fs::read_dir(dir.join("runs").join("blueprints"))
        .expect("blueprints dir")
        .next()
        .expect("one stored blueprint")
        .expect("dir entry")
        .path()
        .file_stem()
        .expect("stem")
        .to_string_lossy()
        .into_owned()
}

/// Register `doc` as a process document in the project store; returns its id.
/// Asserts register exits 0 — an intrinsically valid document (annotator
/// stages in any order included) must always register; only `campaign run`'s
/// preflight draws the executable-shape line.
fn register_process_doc(dir: &Path, file: &str, doc: &str) -> String {
    write_doc(dir, file, doc);
    let (out, code) = run_code_in(dir, &["process", "register", file]);
    assert_eq!(code, Some(0), "process register failed: {out}");
    out.lines()
        .find(|l| l.starts_with("registered process "))
        .expect("register line")
        .trim_start_matches("registered process ")
        .split(' ')
        .next()
        .expect("id")
        .trim_start_matches("content:")
        .to_string()
}

/// A referentially-resolving campaign over the seeded blueprint. Axes name
/// the RAW `param_space` names (`fast.length` / `slow.length` — see the
/// naming note in the referential test above). `persist_taps`/`emit` are
/// spliced verbatim (pass `""` for empty, `"\"family_table\""` etc.).
/// [`campaign_doc_json`] with the instrument spliced — the synthetic-archive
/// e2e targets `SYMA` (tests/common/mod.rs) instead of the hardcoded GER40.
fn campaign_doc_json_for(
    instrument: &str,
    bp_id: &str,
    proc_id: &str,
    window: (i64, i64),
    persist_taps: &str,
    emit: &str,
) -> String {
    format!(
        r#"{{
  "format_version": 1,
  "kind": "campaign",
  "name": "run-seam",
  "data": {{ "instruments": ["{instrument}"], "windows": [ {{ "from_ms": {from}, "to_ms": {to} }} ] }},
  "strategies": [ {{ "ref": {{ "content_id": "{bp_id}" }},
                    "axes": {{ "fast.length": {{ "kind": "I64", "values": [2, 4] }},
                              "slow.length": {{ "kind": "I64", "values": [8, 16] }} }} }} ],
  "process": {{ "ref": {{ "content_id": "{proc_id}" }} }},
  "seed": 7,
  "presentation": {{ "persist_taps": [{persist_taps}], "emit": [{emit}] }}
}}"#,
        from = window.0,
        to = window.1,
    )
}

fn campaign_doc_json(
    bp_id: &str,
    proc_id: &str,
    window: (i64, i64),
    persist_taps: &str,
    emit: &str,
) -> String {
    campaign_doc_json_for("GER40", bp_id, proc_id, window, persist_taps, emit)
}

/// An mc-bearing process: intrinsically valid AND (since the v2 executor) an
/// executable pipeline shape — `sweep -> monte_carlo` annotates each sweep
/// survivor. The two addressing-mode tests below run it over the [1, 2] 1970
/// window, so they refuse deterministically at the member-data seam.
const MC_PROCESS_DOC: &str = r#"{
  "format_version": 1,
  "kind": "process",
  "name": "mc-screen",
  "pipeline": [
    { "block": "std::sweep", "metric": "sqn_normalized", "select": "argmax" },
    { "block": "std::monte_carlo", "resamples": 100, "block_len": 5 }
  ]
}"#;

/// Intrinsically valid but NOT an executable v2 shape: the annotator sits
/// before the population stage (`walk_forward` after `monte_carlo`). The
/// intrinsic tier deliberately permits this order (the shipped
/// `validate_process_permits_walk_forward_after_an_annotator` pin in
/// aura-research), so register accepts it; only `campaign run`'s preflight
/// refuses it.
const MC_BEFORE_WF_PROCESS_DOC: &str = r#"{
  "format_version": 1,
  "kind": "process",
  "name": "mc-before-wf",
  "pipeline": [
    { "block": "std::sweep", "metric": "sqn_normalized", "select": "argmax" },
    { "block": "std::monte_carlo", "resamples": 100, "block_len": 5 },
    { "block": "std::walk_forward", "in_sample_ms": 1209600000, "out_of_sample_ms": 604800000,
      "step_ms": 604800000, "mode": "rolling", "metric": "sqn_normalized", "select": "argmax" }
  ]
}"#;

/// An executable generalize-bearing shape (`sweep -> generalize`). The
/// refusal under test is the campaign-side static guard (std::generalize
/// needs >= 2 instruments), not the pipeline shape.
const GENERALIZE_PROCESS_DOC: &str = r#"{
  "format_version": 1,
  "kind": "process",
  "name": "gen-screen",
  "pipeline": [
    { "block": "std::sweep", "metric": "sqn_normalized", "select": "argmax" },
    { "block": "std::generalize", "metric": "net_expectancy_r" }
  ]
}"#;

/// The minimal executable pipeline (one sweep stage).
const SWEEP_ONLY_PROCESS_DOC: &str = r#"{
  "format_version": 1,
  "kind": "process",
  "name": "sweep-only",
  "pipeline": [ { "block": "std::sweep", "metric": "sqn_normalized", "select": "argmax" } ]
}"#;

/// The full annotated shape for the gated e2e: sweep -> gate -> walk_forward
/// -> monte_carlo. The gate (`n_trades ge 0`) passes every member, so
/// walk-forward always has survivors; the mc annotator bootstraps the pooled
/// per-window OOS trade-R series (200 resamples, block 5). Roller: 14d IS /
/// 7d OOS / 7d step in epoch-ms, tiling the ~30-day GER40 Sept-2024 campaign
/// window. NO generalize stage: this campaign has ONE instrument (a second
/// local archive is not guaranteed), and the single-instrument refusal is
/// pinned data-free in `campaign_run_refuses_single_instrument_generalize`.
const WF_PROCESS_DOC: &str = r#"{
  "format_version": 1,
  "kind": "process",
  "name": "screen-then-walkforward",
  "pipeline": [
    { "block": "std::sweep", "metric": "sqn_normalized", "select": "argmax" },
    { "block": "std::gate", "all": [ { "metric": "n_trades", "cmp": "ge", "value": 0.0 } ] },
    { "block": "std::walk_forward", "in_sample_ms": 1209600000, "out_of_sample_ms": 604800000,
      "step_ms": 604800000, "mode": "rolling", "metric": "net_expectancy_r", "select": "argmax" },
    { "block": "std::monte_carlo", "resamples": 200, "block_len": 5 }
  ]
}"#;

/// `campaign run` outside a project refuses up front — before target
/// resolution, so not even the file-sugar registration touches a store.
#[test]
fn campaign_run_outside_project_refuses() {
    let dir = temp_cwd("campaign-run-outside-project");
    write_doc(&dir, "c.campaign.json", CAMPAIGN_DOC);
    let (out, code) = run_code_in(&dir, &["campaign", "run", "c.campaign.json"]);
    assert_eq!(code, Some(1), "stdout/stderr: {out}");
    assert!(out.contains("campaign run needs a project"), "stdout/stderr: {out}");
    assert!(
        !dir.join("runs").exists(),
        "a refused run must not create a store outside a project"
    );
}

/// A target that is neither a readable file nor a 64-hex id refuses naming
/// both readings (inside the project, past the project gate).
#[test]
fn campaign_run_bogus_target_refuses() {
    let (dir, _fixture) = fresh_project();
    let (out, code) = run_code_in(&dir, &["campaign", "run", "no-such-target"]);
    assert_eq!(code, Some(1), "stdout/stderr: {out}");
    assert!(
        out.contains("'no-such-target' is neither a readable .json file nor a 64-hex content id"),
        "stdout/stderr: {out}"
    );
}

/// A well-formed but unknown content id refuses with the store-miss prose.
#[test]
fn campaign_run_unknown_id_refuses() {
    let (dir, _fixture) = fresh_project();
    let id = "0".repeat(64);
    let (out, code) = run_code_in(&dir, &["campaign", "run", &id]);
    assert_eq!(code, Some(1), "stdout/stderr: {out}");
    assert!(
        out.contains(&format!("no campaign {id} in the project store")),
        "stdout/stderr: {out}"
    );
}

/// Property: the recorded campaign realizations are READABLE BACK. A read-back
/// verb (`aura campaign runs`) both lists every stored campaign-run record on a
/// scannable line carrying its campaign id, and — addressed by that id — dumps
/// the BARE persisted store record (the `campaign_runs.jsonl` line form), NOT
/// the `{"campaign_run": …}` stdout wrapper the `campaign run` emit uses (F10,
/// fieldtest 0108). Today `runs` is an unrecognized campaign subcommand (clap
/// exit 2) — the feature is absent.
///
/// Hermetic seed: one hand-written record line in the exact bare store form
/// serde emits (mirroring the aura-registry pre-widening parse line —
/// canonical field order, sparse-skip fields omitted — so a re-serialized dump
/// is byte-identical). Appending a real record needs a full campaign run over
/// data; hand-writing the store line is the only data-free path and pins the
/// bare-store-line contract exactly.
#[test]
fn campaign_runs_lists_and_dumps_the_bare_stored_record() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    std::fs::create_dir_all(&runs_dir).expect("create runs dir");
    let _cleanup = ScratchGuard(vec![ScratchPath::Dir(runs_dir.clone())]);

    let campaign_id = "deadbeef".repeat(8); // a 64-hex content id
    let record_line = format!(
        r#"{{"campaign":"{campaign_id}","process":"beef","run":0,"seed":42,"cells":[{{"strategy":"3f9c","instrument":"GER40","window_ms":[1725148800000,1727740799999],"stages":[{{"block":"std::sweep","family_id":"sweep-0"}},{{"block":"std::gate","survivor_ordinals":[0,1,2,3]}}]}}]}}"#
    );
    std::fs::write(runs_dir.join("campaign_runs.jsonl"), format!("{record_line}\n"))
        .expect("seed the campaign-run store");

    // LIST mode: one scannable line per stored record, carrying the campaign
    // id (bare 64-hex or a prefix), exit 0.
    let (list_out, list_code) = run_code_in(&dir, &["campaign", "runs"]);
    assert_eq!(list_code, Some(0), "list exits 0: {list_out}");
    assert!(
        list_out.contains(&campaign_id[..8]),
        "the list line carries the campaign id (bare or prefix): {list_out}"
    );

    // DUMP mode: addressed by the campaign content id, prints the BARE stored
    // record line — the store form, NOT the `{{"campaign_run": …}}` run-emit
    // wrapper (F10) — byte-identical to the seeded line, exit 0.
    let (dump_out, dump_code) = run_code_in(&dir, &["campaign", "runs", &campaign_id]);
    assert_eq!(dump_code, Some(0), "dump exits 0: {dump_out}");
    assert!(
        !dump_out.contains("\"campaign_run\""),
        "dump prints the bare store record, not the run-emit wrapper (F10): {dump_out}"
    );
    assert_eq!(
        dump_out.trim(),
        record_line,
        "dump is byte-identical to the bare stored line (F10): {dump_out}"
    );
}

/// 0109 task 2: `campaign runs <id>` dumps by deserializing the stored line
/// into `CampaignRunRecord` and re-serializing it (`research_docs.rs`'s
/// `campaign_runs` — "serde round-trip == the stored bytes"), so the
/// byte-identical contract `campaign_runs_lists_and_dumps_the_bare_stored_record`
/// pins above is only proven for a record where `trace_name` is absent
/// (pre-0109 shape). This is the same round-trip pinned with the new field
/// POPULATED: a stored line carrying `"trace_name":"deadbeef-3"` must dump
/// back byte-identical — the new field's declaration position (after
/// `generalizations`) and its `skip_serializing_if` must not perturb the
/// existing sparse-skip / declaration-order contract the read-back verb
/// depends on.
#[test]
fn campaign_runs_dump_round_trips_a_populated_trace_name() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    std::fs::create_dir_all(&runs_dir).expect("create runs dir");
    let _cleanup = ScratchGuard(vec![ScratchPath::Dir(runs_dir.clone())]);

    let campaign_id = "deadbeef".repeat(8);
    let record_line = format!(
        r#"{{"campaign":"{campaign_id}","process":"beef","run":3,"seed":42,"cells":[{{"strategy":"3f9c","instrument":"GER40","window_ms":[1725148800000,1727740799999],"stages":[{{"block":"std::sweep","family_id":"sweep-0"}}]}}],"trace_name":"deadbeef-3"}}"#
    );
    std::fs::write(runs_dir.join("campaign_runs.jsonl"), format!("{record_line}\n"))
        .expect("seed the campaign-run store");

    let (dump_out, dump_code) = run_code_in(&dir, &["campaign", "runs", &campaign_id]);
    assert_eq!(dump_code, Some(0), "dump exits 0: {dump_out}");
    assert_eq!(
        dump_out.trim(),
        record_line,
        "a populated trace_name round-trips byte-identical through the read-back verb: {dump_out}"
    );
}

/// The v2 boundary, order side: `[sweep, monte_carlo, walk_forward]` is
/// intrinsically valid — `process register` ACCEPTS it (asserted inside
/// `register_process_doc`; the intrinsic-tier ground is the shipped
/// `validate_process_permits_walk_forward_after_an_annotator` pin) — but the
/// executable pipeline shape fixes the suffix order (`std::sweep [std::gate]*
/// [std::walk_forward]? [std::monte_carlo]? [std::generalize]?`), so
/// `campaign run` refuses it at the data-free preflight, before any member
/// runs, with Debug-free PipelineShape prose.
#[test]
fn campaign_run_refuses_mc_before_walk_forward() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("mcwf.process.json")),
        ScratchPath::File(dir.join("mcwf.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-run-mcwf-seed");
    let proc_id = register_process_doc(&dir, "mcwf.process.json", MC_BEFORE_WF_PROCESS_DOC);
    write_doc(&dir, "mcwf.campaign.json", &campaign_doc_json(&bp_id, &proc_id, (1, 2), "", ""));
    let (out, code) = run_code_in(&dir, &["campaign", "run", "mcwf.campaign.json"]);
    assert_eq!(code, Some(1), "stdout/stderr: {out}");
    assert!(out.contains("process pipeline is not executable:"), "stdout/stderr: {out}");
    assert!(
        out.contains("std::walk_forward cannot follow std::monte_carlo"),
        "the detail names the ordering violation: {out}"
    );
    assert!(!out.contains("not executable in v1"), "retired v1 prose resurfaced: {out}");
    assert!(!out.contains("PipelineShape"), "Debug leak: {out}");
}

/// A v2 process doc whose `std::sweep` carries no selection group (no
/// `metric`/`select`) followed by a `std::gate` stage: intrinsically valid
/// (`process register` accepts a selection-free sweep as any other stage
/// shape) but not an executable v2 shape, since a selection-free sweep is
/// permitted ONLY as the terminal stage of its process (#210's terminal
/// rule — the executor's preflight rule, not the intrinsic validator's).
const SELECTION_FREE_SWEEP_THEN_GATE_PROCESS_DOC: &str = r#"{
  "format_version": 1,
  "kind": "process",
  "name": "sweep-then-gate-no-selection",
  "pipeline": [
    { "block": "std::sweep" },
    { "block": "std::gate", "all": [ { "metric": "n_trades", "cmp": "ge", "value": 0.0 } ] }
  ]
}"#;

/// Property (#210, sweep-dissolution-a): a selection-free `std::sweep` (no
/// metric/select group) anywhere but the LAST stage of its process is
/// refused by `campaign run`'s data-free preflight — the same seam that
/// already refuses `[sweep, monte_carlo, walk_forward]`'s ordering fault
/// above — before any member runs (the [1, 2] 1970-epoch-ms window is never
/// reached), naming the offending stage index, Debug-free. A regression
/// that let a non-terminal selection-free sweep through would silently
/// drop a stage's nominee downstream (nothing to select a winner from,
/// nothing for a following stage to consume).
#[test]
fn campaign_run_refuses_a_non_terminal_selection_free_sweep() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("selfree.process.json")),
        ScratchPath::File(dir.join("selfree.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-run-selfree-seed");
    let proc_id =
        register_process_doc(&dir, "selfree.process.json", SELECTION_FREE_SWEEP_THEN_GATE_PROCESS_DOC);
    write_doc(&dir, "selfree.campaign.json", &campaign_doc_json(&bp_id, &proc_id, (1, 2), "", ""));
    let (out, code) = run_code_in(&dir, &["campaign", "run", "selfree.campaign.json"]);
    assert_eq!(code, Some(1), "stdout/stderr: {out}");
    assert!(
        out.contains(
            "process stage 0: a sweep without a selection group (metric + select) must be \
             the last stage of its process"
        ),
        "the detail names the terminal-only rule: {out}"
    );
    assert!(!out.contains("SelectionFreeSweepNotTerminal"), "Debug leak: {out}");
}

/// The same process shape, but the selection-free sweep IS the (only, hence
/// terminal) stage: `campaign validate`'s third (executor-preflight) tier
/// accepts it, data-free, exit 0 — the selection-free arm is a legitimate
/// executable shape, not merely a document-tier-only accept. Pairs with the
/// refusal above: together they pin the exact placement boundary (terminal:
/// yes / anywhere else: no) the executor preflight enforces.
const SELECTION_FREE_SWEEP_ONLY_PROCESS_DOC: &str = r#"{
  "format_version": 1,
  "kind": "process",
  "name": "sweep-only-no-selection",
  "pipeline": [ { "block": "std::sweep" } ]
}"#;

#[test]
fn campaign_validate_accepts_a_terminal_selection_free_sweep() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("selfreeonly.process.json")),
        ScratchPath::File(dir.join("selfreeonly.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-validate-selfreeonly-seed");
    let proc_id =
        register_process_doc(&dir, "selfreeonly.process.json", SELECTION_FREE_SWEEP_ONLY_PROCESS_DOC);
    write_doc(
        &dir,
        "selfreeonly.campaign.json",
        &campaign_doc_json(&bp_id, &proc_id, (1, 2), "", ""),
    );
    let (out, code) = run_code_in(&dir, &["campaign", "validate", "selfreeonly.campaign.json"]);
    assert_eq!(code, Some(0), "a terminal selection-free sweep validates as executable: {out}");
    assert!(
        out.contains("campaign document valid (executable): pipeline shape and static guards pass"),
        "stdout/stderr: {out}"
    );
}

/// The v2 boundary, campaign side: a generalize-bearing process is an
/// executable shape, but `std::generalize` needs >= 2 instruments in the
/// campaign — a STATIC preflight fact (the referential gate has run, no data
/// is read), so the single-GER40 fixture campaign refuses with exit 1 before
/// any member runs. This is the ONE home for the single-instrument refusal;
/// the gated real-data e2e does not duplicate it (its campaign is also
/// single-instrument, and this refusal is data-free by construction).
#[test]
fn campaign_run_refuses_single_instrument_generalize() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("gen1.process.json")),
        ScratchPath::File(dir.join("gen1.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-run-gen1-seed");
    let proc_id = register_process_doc(&dir, "gen1.process.json", GENERALIZE_PROCESS_DOC);
    write_doc(&dir, "gen1.campaign.json", &campaign_doc_json(&bp_id, &proc_id, (1, 2), "", ""));
    let (out, code) = run_code_in(&dir, &["campaign", "run", "gen1.campaign.json"]);
    assert_eq!(code, Some(1), "stdout/stderr: {out}");
    assert!(
        out.contains("std::generalize needs at least 2"),
        "the refusal names the block and the minimum: {out}"
    );
    assert!(out.contains("1 instrument"), "the refusal names the available count: {out}");
    assert!(!out.contains("GeneralizeNeedsInstruments"), "Debug leak: {out}");
}

/// An executable generalize-bearing shape whose metric is a pip metric, not
/// an R metric (`total_pips` is a known, registered scalar — `process
/// register` accepts it — but not R-denominated).
const GENERALIZE_NON_R_PROCESS_DOC: &str = r#"{
  "format_version": 1,
  "kind": "process",
  "name": "gen-pip-screen",
  "pipeline": [
    { "block": "std::sweep", "metric": "sqn_normalized", "select": "argmax" },
    { "block": "std::generalize", "metric": "total_pips" }
  ]
}"#;

/// The v2 boundary, metric side: `std::generalize`'s metric guard
/// (`check_r_metric`) is a STATIC preflight fact independent of the
/// instrument-arity guard above it in the same match arm — with >= 2
/// campaign instruments (so arity passes) and a pip metric, `campaign run`
/// must still refuse data-free, naming the metric, and never fall through to
/// the instrument-count prose or a Debug-formatted fault. A regression that
/// let the arity check short-circuit past the metric check (or vice versa)
/// would silently accept a pip-denominated `std::generalize`.
#[test]
fn campaign_run_refuses_generalize_non_r_metric() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("genpip.process.json")),
        ScratchPath::File(dir.join("genpip.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-run-genpip-seed");
    let proc_id = register_process_doc(&dir, "genpip.process.json", GENERALIZE_NON_R_PROCESS_DOC);
    // Two instruments (arity passes), so the metric guard is the one that
    // actually fires. The [1, 2] 1970 window never matters: this refusal is
    // data-free, before any member runs.
    let campaign_doc = format!(
        r#"{{
  "format_version": 1,
  "kind": "campaign",
  "name": "run-seam-genpip",
  "data": {{ "instruments": ["GER40", "EURUSD"], "windows": [ {{ "from_ms": 1, "to_ms": 2 }} ] }},
  "strategies": [ {{ "ref": {{ "content_id": "{bp_id}" }},
                    "axes": {{ "fast.length": {{ "kind": "I64", "values": [2, 4] }},
                              "slow.length": {{ "kind": "I64", "values": [8, 16] }} }} }} ],
  "process": {{ "ref": {{ "content_id": "{proc_id}" }} }},
  "seed": 7,
  "presentation": {{ "persist_taps": [], "emit": [] }}
}}"#
    );
    write_doc(&dir, "genpip.campaign.json", &campaign_doc);
    let (out, code) = run_code_in(&dir, &["campaign", "run", "genpip.campaign.json"]);
    assert_eq!(code, Some(1), "stdout/stderr: {out}");
    // #207 (fieldtest 0108 F8): the refusal names the REAL rule (the rankable
    // R-expectancy family), never the mislabel "pip metric" — max_r_drawdown is
    // R-denominated yet unranked, so "pip metric" was always wrong.
    assert!(
        out.contains("std::generalize metric \"total_pips\" is not in the rankable R-expectancy family"),
        "the refusal names the offending metric and the real rule: {out}"
    );
    assert!(!out.contains("2 instrument"), "the arity guard must not fire when arity is fine: {out}");
    assert!(!out.contains("GeneralizeNonRMetric"), "Debug leak: {out}");
}

/// A v2 process doc with `std::walk_forward` following the annotator
/// `std::monte_carlo` — intrinsically valid (order across population vs.
/// annotator stages is not a document-tier concern), refused only by the
/// executor's v2 preflight shape guard.
const WF_AFTER_MC_PROCESS_DOC: &str = r#"{
  "format_version": 1,
  "kind": "process",
  "name": "wf-after-mc",
  "pipeline": [
    { "block": "std::sweep", "metric": "sqn_normalized", "select": "argmax" },
    { "block": "std::monte_carlo", "resamples": 100, "block_len": 5 },
    { "block": "std::walk_forward", "in_sample_ms": 1209600000, "out_of_sample_ms": 604800000,
      "step_ms": 604800000, "mode": "rolling", "metric": "net_expectancy_r", "select": "argmax" }
  ]
}"#;

/// Property (0108 task 2, mirroring aura-research's characterization pin
/// `validate_process_permits_walk_forward_after_an_annotator`): the
/// intrinsic/executor tier boundary is observable across TWO CLI commands.
/// `process validate` accepts `[sweep, monte_carlo, walk_forward]` (exit 0 —
/// the document tier does not order population vs. annotator stages) while
/// `campaign run`'s v2 preflight refuses the very same document, before any
/// member executes (data-free: the [1, 2] 1970-epoch-ms window is never
/// reached), because `std::walk_forward` cannot follow the annotator
/// `std::monte_carlo`. A regression that let the executor silently accept the
/// intrinsic tier's looser order (or that widened the intrinsic tier to
/// match) would collapse this two-command divergence.
#[test]
fn process_validate_permits_wf_after_mc_but_campaign_run_refuses_it() {
    // intrinsic tier: no project needed, and it accepts the doc outright.
    let vdir = temp_cwd("wf-after-mc-validate");
    write_doc(&vdir, "wfmc.process.json", WF_AFTER_MC_PROCESS_DOC);
    let (vout, vcode) = run_code_in(&vdir, &["process", "validate", "wfmc.process.json"]);
    assert_eq!(vcode, Some(0), "intrinsic validate must accept sweep->mc->walk_forward: {vout}");
    assert!(
        vout.contains("process document valid (intrinsic): 3 pipeline blocks"),
        "stdout/stderr: {vout}"
    );

    // executor tier: campaign run's v2 preflight refuses the same shape.
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("wfmc.process.json")),
        ScratchPath::File(dir.join("wfmc.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-run-wfmc-seed");
    let proc_id = register_process_doc(&dir, "wfmc.process.json", WF_AFTER_MC_PROCESS_DOC);
    write_doc(&dir, "wfmc.campaign.json", &campaign_doc_json(&bp_id, &proc_id, (1, 2), "", ""));
    let (out, code) = run_code_in(&dir, &["campaign", "run", "wfmc.campaign.json"]);
    assert_eq!(code, Some(1), "stdout/stderr: {out}");
    assert!(
        out.contains("std::walk_forward cannot follow std::monte_carlo"),
        "stdout/stderr: {out}"
    );
    assert!(!out.contains("PipelineShape {"), "Debug leak: {out}");
}

/// Property (#205, fieldtest 0108 F6): `aura campaign validate` runs the
/// executor's data-free static preflight (`aura_campaign::preflight`) as a
/// THIRD tier, so a pure process-shape fault that needs no data is caught at
/// validate time, not only at `campaign run` time — "valid" now means
/// "runnable". Two faces of the one behaviour, both inside a project (the
/// tier needs the store to fetch the referenced process, like the referential
/// tier above it):
///   - an executable pipeline shape gains a third line, `campaign document
///     valid (executable): pipeline shape and static guards pass`, exit 0;
///   - a `[sweep, monte_carlo, walk_forward]` process — intrinsically valid
///     (`process register` accepts it) and referentially valid (its ref
///     resolves) yet not an executable shape — refuses at VALIDATE with the
///     executor fault header `campaign is not executable:` and the
///     `exec_fault_prose` shape detail, exit 1, before any member runs.
///
/// A regression that dropped the third tier would let an executor-unrunnable
/// shape validate clean (exit 0), the F6 friction.
#[test]
fn campaign_validate_runs_the_executor_preflight_as_a_third_tier() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("runnable.process.json")),
        ScratchPath::File(dir.join("runnable.campaign.json")),
        ScratchPath::File(dir.join("wfmc.process.json")),
        ScratchPath::File(dir.join("wfmc.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-validate-3tier-seed");

    // Face 1 — the happy path: an executable pipeline shape (a bare
    // std::sweep). Intrinsic + referential pass today (exit 0), but the
    // executor tier is invisible; after #205 validate gains the third
    // "valid (executable)" line while staying exit 0.
    let ok_proc = register_process_doc(&dir, "runnable.process.json", SWEEP_ONLY_PROCESS_DOC);
    write_doc(&dir, "runnable.campaign.json", &campaign_doc_json(&bp_id, &ok_proc, (1, 2), "", ""));
    let (ok_out, ok_code) = run_code_in(&dir, &["campaign", "validate", "runnable.campaign.json"]);
    assert_eq!(ok_code, Some(0), "an executable campaign validates clean: {ok_out}");
    assert!(
        ok_out.contains("campaign document valid (referential): all references resolve"),
        "the referential tier line survives the added third tier: {ok_out}"
    );
    assert!(
        ok_out.contains(
            "campaign document valid (executable): pipeline shape and static guards pass"
        ),
        "the new third (executor-preflight) tier line is emitted: {ok_out}"
    );

    // Face 2 — the refuse path: `[sweep, monte_carlo, walk_forward]` is
    // intrinsically valid (register exits 0, asserted in register_process_doc)
    // and referentially valid (same seeded blueprint + axes), so validate
    // reaches the third tier — which refuses the non-executable shape at
    // validate time (data-free: the [1, 2] 1970-epoch-ms window is never
    // reached), exit 1, with the executor fault header + the shape prose.
    let bad_proc = register_process_doc(&dir, "wfmc.process.json", WF_AFTER_MC_PROCESS_DOC);
    write_doc(&dir, "wfmc.campaign.json", &campaign_doc_json(&bp_id, &bad_proc, (1, 2), "", ""));
    let (bad_out, bad_code) = run_code_in(&dir, &["campaign", "validate", "wfmc.campaign.json"]);
    assert_eq!(bad_code, Some(1), "an executor-unrunnable shape refuses at validate: {bad_out}");
    assert!(
        bad_out.contains("campaign is not executable:"),
        "the executor-tier fault header (mirrors 'campaign references do not resolve:'): {bad_out}"
    );
    assert!(
        bad_out.contains("std::walk_forward cannot follow std::monte_carlo"),
        "the shape prose names the ordering violation via exec_fault_prose: {bad_out}"
    );
    assert!(!bad_out.contains("PipelineShape"), "Debug leak: {bad_out}");
}

/// #215: `walk_forward` selecting a plateau mode with NO gate ahead of it —
/// the sweep survivors are the full parameter grid, so the plateau
/// neighbourhood scoring `axis_lens` assumes is intact.
const WF_PLATEAU_GATE_FREE_PROCESS_DOC: &str = r#"{
  "format_version": 1,
  "kind": "process",
  "name": "wf-plateau-gate-free",
  "pipeline": [
    { "block": "std::sweep", "metric": "sqn_normalized", "select": "argmax" },
    { "block": "std::walk_forward", "in_sample_ms": 1209600000, "out_of_sample_ms": 604800000,
      "step_ms": 604800000, "mode": "rolling", "metric": "net_expectancy_r", "select": "plateau:worst" }
  ]
}"#;

/// #215: the same `walk_forward` plateau select, but a `std::gate` stage now
/// sits between the sweep and the walk-forward — the gate can filter
/// survivors below the full grid, breaking the lattice the plateau
/// neighbourhood assumes, so the executor preflight must still refuse it.
const WF_PLATEAU_GATED_PROCESS_DOC: &str = r#"{
  "format_version": 1,
  "kind": "process",
  "name": "wf-plateau-gated",
  "pipeline": [
    { "block": "std::sweep", "metric": "sqn_normalized", "select": "argmax" },
    { "block": "std::gate", "all": [ { "metric": "n_trades", "cmp": "ge", "value": 0.0 } ] },
    { "block": "std::walk_forward", "in_sample_ms": 1209600000, "out_of_sample_ms": 604800000,
      "step_ms": 604800000, "mode": "rolling", "metric": "net_expectancy_r", "select": "plateau:worst" }
  ]
}"#;

/// Property (#215): the executor preflight's plateau-in-walk_forward refusal
/// is narrowed to gate-preceded stages, not a blanket ban on plateau select
/// in walk_forward — pinned through the full document surface (`campaign
/// validate`'s third, executor tier — data-free, before any member runs),
/// mirroring the pattern `campaign_validate_runs_the_executor_preflight_as_a_
/// third_tier` uses for the sibling shape guard. A regression that reverted
/// to the blanket refusal would flip the gate-free face to exit 1; a
/// regression that dropped the refusal entirely would flip the gated face to
/// exit 0 — either direction goes red here.
#[test]
fn campaign_validate_narrows_plateau_in_wf_refusal_to_gate_preceded_stages() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("wf-plateau-free.process.json")),
        ScratchPath::File(dir.join("wf-plateau-free.campaign.json")),
        ScratchPath::File(dir.join("wf-plateau-gated.process.json")),
        ScratchPath::File(dir.join("wf-plateau-gated.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-validate-wf-plateau-seed");

    // Face 1 — gate-free: sweep -> walk_forward(plateau:worst). The lattice
    // is intact, so the executor tier accepts it (exit 0).
    let free_id =
        register_process_doc(&dir, "wf-plateau-free.process.json", WF_PLATEAU_GATE_FREE_PROCESS_DOC);
    write_doc(
        &dir,
        "wf-plateau-free.campaign.json",
        &campaign_doc_json(&bp_id, &free_id, (1, 2), "", ""),
    );
    let (free_out, free_code) =
        run_code_in(&dir, &["campaign", "validate", "wf-plateau-free.campaign.json"]);
    assert_eq!(free_code, Some(0), "gate-free plateau walk_forward validates clean: {free_out}");
    assert!(
        free_out.contains(
            "campaign document valid (executable): pipeline shape and static guards pass"
        ),
        "stdout/stderr: {free_out}"
    );

    // Face 2 — gate-preceded: sweep -> gate -> walk_forward(plateau:worst).
    // The gate can break the lattice, so the executor tier still refuses it
    // (exit 1), naming the offending stage.
    let gated_id =
        register_process_doc(&dir, "wf-plateau-gated.process.json", WF_PLATEAU_GATED_PROCESS_DOC);
    write_doc(
        &dir,
        "wf-plateau-gated.campaign.json",
        &campaign_doc_json(&bp_id, &gated_id, (1, 2), "", ""),
    );
    let (gated_out, gated_code) =
        run_code_in(&dir, &["campaign", "validate", "wf-plateau-gated.campaign.json"]);
    assert_eq!(gated_code, Some(1), "gate-preceded plateau walk_forward still refuses: {gated_out}");
    assert!(
        gated_out.contains("campaign is not executable:"),
        "the executor-tier fault header: {gated_out}"
    );
    assert!(
        gated_out.contains(
            "process stage 2: walk_forward cannot use a plateau select (a gated survivor subset has no parameter lattice)"
        ),
        "the exec_fault_prose naming the gate-broken lattice: {gated_out}"
    );
    assert!(!gated_out.contains("PlateauInWalkForward"), "Debug leak: {gated_out}");
}

/// A v2 process doc with a static `std::monte_carlo resamples: 0` defect.
const ZERO_RESAMPLES_MC_PROCESS_DOC: &str = r#"{
  "format_version": 1,
  "kind": "process",
  "name": "zero-resamples-mc",
  "pipeline": [
    { "block": "std::sweep", "metric": "sqn_normalized", "select": "argmax" },
    { "block": "std::monte_carlo", "resamples": 0, "block_len": 5 }
  ]
}"#;

/// Property (0108 task 2): `std::monte_carlo`'s `resamples > 0` guard is a
/// STATIC executor-preflight refusal, wired end to end from the on-disk
/// document through to CLI stdout, firing before any member runs (data-free:
/// the [1, 2] 1970-epoch-ms window is never reached) and naming the stage
/// index and the offending field. A regression that dropped the static guard
/// (deferring to the engine's runtime all-zero-resamples degenerate instead)
/// would let this refusal disappear or drift to a different message.
#[test]
fn campaign_run_refuses_zero_resamples_monte_carlo_before_any_member_runs() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("zeromc.process.json")),
        ScratchPath::File(dir.join("zeromc.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-run-zeromc-seed");
    let proc_id = register_process_doc(&dir, "zeromc.process.json", ZERO_RESAMPLES_MC_PROCESS_DOC);
    write_doc(&dir, "zeromc.campaign.json", &campaign_doc_json(&bp_id, &proc_id, (1, 2), "", ""));
    let (out, code) = run_code_in(&dir, &["campaign", "run", "zeromc.campaign.json"]);
    assert_eq!(code, Some(1), "stdout/stderr: {out}");
    assert!(
        out.contains("process stage 1: monte_carlo resamples must be > 0"),
        "stdout/stderr: {out}"
    );
    assert!(!out.contains("ZeroBootstrapParam"), "Debug leak: {out}");
}

/// 0109 split (a) — the tap namespace is CLOSED: the 0107 deferral fixture's
/// made-up "r_record" tap now refuses INTRINSICALLY, exit 1, path-addressed
/// and vocabulary-enumerating. The old test drove `campaign run` on a file
/// target, so this pin drives the same path: the refusal fires at the run's
/// parse-valid gate (`parse_valid_campaign` — the same `validate_campaign` +
/// `doc_fault_prose` composition `campaign validate` shares), before
/// registration, before the referential tier, before any member runs — and
/// therefore before the (Task-3-doomed) loud-deferral note, whose absence is
/// pinned here.
#[test]
fn campaign_run_refuses_unknown_tap_at_validate() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("badtap.process.json")),
        ScratchPath::File(dir.join("badtap.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-run-badtap-seed");
    let proc_id = register_process_doc(&dir, "badtap.process.json", SWEEP_ONLY_PROCESS_DOC);
    write_doc(
        &dir,
        "badtap.campaign.json",
        &campaign_doc_json(&bp_id, &proc_id, (1, 2), "\"r_record\"", ""),
    );
    let (out, code) = run_code_in(&dir, &["campaign", "run", "badtap.campaign.json"]);
    assert_eq!(code, Some(1), "stdout/stderr: {out}");
    assert!(out.contains("campaign document invalid:"), "stdout/stderr: {out}");
    assert!(
        out.contains(
            "presentation.persist_taps[0]: unknown tap \"r_record\" \
             (taps: equity | exposure | r_equity | net_r_equity)"
        ),
        "the refusal is path-addressed and enumerates the vocabulary: {out}"
    );
    assert!(
        !out.contains("not yet honored"),
        "an invalid document must never reach the deferral note: {out}"
    );
    assert!(!out.contains("UnknownTap"), "Debug leak: {out}");
}

/// 0109 split (b) — the control: an in-vocabulary tap ("equity") sails
/// through the new intrinsic gate (no UnknownTap prose) and the run proceeds
/// to refuse at the member-data seam, exactly as a tap-less run over the
/// [1, 2] 1970 epoch-ms window does (data-less host: missing geometry;
/// data-ful host: no archive file overlaps) — exit 1 either way, and no
/// trace output (tracing never starts on a run that dies before members;
/// there is no "traces persisted" summary line). NOTE: the 0107
/// loud-deferral eprintln still fires in this task's tree and is
/// deliberately NOT asserted either way here — Task 3 deletes it and
/// tightens this test to pin its absence.
#[test]
fn campaign_run_valid_tap_reaches_the_member_data_seam() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("taps.process.json")),
        ScratchPath::File(dir.join("taps.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-run-taps-seed");
    let proc_id = register_process_doc(&dir, "taps.process.json", SWEEP_ONLY_PROCESS_DOC);
    write_doc(
        &dir,
        "taps.campaign.json",
        &campaign_doc_json(&bp_id, &proc_id, (1, 2), "\"equity\"", ""),
    );
    let (out, code) = run_code_in(&dir, &["campaign", "run", "taps.campaign.json"]);
    assert_eq!(code, Some(1), "stdout/stderr: {out}");
    assert!(
        !out.contains("unknown tap"),
        "\"equity\" is in the closed vocabulary and must pass validate: {out}"
    );
    assert!(
        out.contains("no recorded geometry") || out.contains("no data for instrument"),
        "the refusal names the data condition: {out}"
    );
    assert!(
        !out.contains("traces persisted"),
        "no trace summary on a run that never reached a member: {out}"
    );
    assert!(
        !out.contains("persist_taps not yet honored"),
        "the 0107 deferral line is retired; persist_taps is honored from 0109 on: {out}"
    );
    assert!(
        !out.contains("traces persisted:"),
        "a member-data refusal aborts inside execute, before any tracing: {out}"
    );
}

/// Gated real-data e2e (the `cli_run.rs` skip idiom): a full
/// sweep -> gate -> walk_forward -> monte_carlo campaign over GER40
/// Sept-2024 where the local archive is present — exit 0, emit-gated
/// family/selection lines, a final line parseable as JSON with top-level
/// `campaign_run` linking a sweep family id, a walk-forward family id, and a
/// pooled-OOS bootstrap on the terminal mc stage, and the
/// `campaign_runs.jsonl` sibling store written. Since 0109 the campaign
/// also requests `persist_taps: ["equity", "r_equity"]`: the record carries
/// `trace_name`, the nominee's taps land under `traces/<name>/<cell_key>/`
/// (the persist re-run equality-asserted against the recorded nominee —
/// C1), and `aura chart <name>/<cell_key>` reads them back through the
/// shipped viewer. Skips with a note elsewhere so `cargo test --workspace`
/// stays green on a data-less machine.
#[test]
fn campaign_run_real_e2e_sweep_gate_walkforward() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("wf.process.json")),
        ScratchPath::File(dir.join("wf.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-run-e2e-seed");
    let proc_id = register_process_doc(&dir, "wf.process.json", WF_PROCESS_DOC);
    // The GER40 Sept-2024 window (inclusive Unix-ms) — the same gated window
    // cli_run.rs drives; ~30 days, so the (14d, 7d, 7d) roller tiles it.
    write_doc(
        &dir,
        "wf.campaign.json",
        &campaign_doc_json(
            &bp_id,
            &proc_id,
            (1725148800000, 1727740799999),
            "\"equity\", \"r_equity\"",
            "\"family_table\", \"selection_report\"",
        ),
    );
    let (out, code) = run_code_in(&dir, &["campaign", "run", "wf.campaign.json"]);

    // Skip on a data-less machine: the member-data refusal, never a panic.
    if code == Some(1)
        && (out.contains("no recorded geometry") || out.contains("no data for instrument"))
    {
        eprintln!("skip: no local GER40 data for the campaign e2e");
        return;
    }

    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    let record_line = out
        .lines()
        .find(|l| l.starts_with("{\"campaign_run\":"))
        .expect("the always-on final campaign_run line");
    let v: serde_json::Value =
        serde_json::from_str(record_line).expect("campaign_run line parses as JSON");
    let cells = v["campaign_run"]["cells"].as_array().expect("cells array");
    assert_eq!(cells.len(), 1, "one (strategy, instrument, window) cell: {record_line}");
    let stages = cells[0]["stages"].as_array().expect("stages array");
    assert_eq!(
        stages.len(),
        4,
        "sweep + gate + walk_forward + monte_carlo realized: {record_line}"
    );
    assert!(
        stages[0]["family_id"].as_str().is_some(),
        "sweep stage links a family: {record_line}"
    );
    assert_eq!(
        stages[1]["survivor_ordinals"].as_array().map(|a| a.len()),
        Some(4),
        "the always-true gate keeps all four members: {record_line}"
    );
    assert!(
        stages[2]["family_id"].as_str().is_some(),
        "walk-forward stage links a family: {record_line}"
    );
    assert_eq!(
        stages[3]["block"].as_str(),
        Some("std::monte_carlo"),
        "the annotator stage is realized last: {record_line}"
    );
    let pooled = &stages[3]["bootstrap"]["pooled_oos"];
    assert!(
        pooled.is_object(),
        "an mc stage after walk_forward records ONE pooled-OOS bootstrap: {record_line}"
    );
    assert_eq!(
        pooled["n_resamples"].as_u64(),
        Some(200),
        "the bootstrap carries the doc's resamples verbatim: {record_line}"
    );
    // Emit-gated lines: per-member family_table lines (4 sweep members plus
    // the walk-forward OOS members) and at least one selection_report line.
    let member_lines: Vec<&str> = out
        .lines()
        .filter(|l| l.starts_with("{\"family_id\":"))
        .collect();
    assert!(
        member_lines.len() >= 4,
        "family_table member lines emitted: {out}"
    );
    // Property (sweep-dissolution.md Goal point 5): the campaign member runner
    // (the real `CliMemberRunner` path, `campaign_run.rs`'s
    // `report.manifest.instrument = Some(cell.instrument.clone())`) stamps every
    // emitted member's manifest with the instrument under test — GER40 here. A
    // regression that dropped or mis-stamped the instrument on the campaign path
    // would slip past the count-only assertion above but fail here.
    for line in &member_lines {
        let v: serde_json::Value = serde_json::from_str(line).expect("member line parses as JSON");
        assert_eq!(
            v["report"]["manifest"]["instrument"].as_str(),
            Some("GER40"),
            "campaign member manifest must be stamped with the instrument: {line}"
        );
    }
    assert!(
        out.lines().any(|l| l.starts_with("{\"selection_report\":")),
        "selection_report line emitted: {out}"
    );
    // The registry's new sibling store carries the realization record.
    assert!(
        runs_dir.join("campaign_runs.jsonl").is_file(),
        "campaign_runs.jsonl written beside runs.jsonl"
    );
    // 0109: the record claims the trace family it persisted under —
    // "{campaign8}-{run}" (fresh store => run 0).
    let trace_name = v["campaign_run"]["trace_name"]
        .as_str()
        .expect("persist_taps non-empty => the record carries trace_name");
    assert!(
        trace_name.len() == 10 && trace_name.ends_with("-0"),
        "trace_name is {{campaign8}}-{{run}}: {trace_name}"
    );
    assert!(
        trace_name[..8].chars().all(|c| c.is_ascii_hexdigit()),
        "trace_name prefix is the campaign id's first 8 hex chars: {trace_name}"
    );
    // The summary stderr line names the tap x cell arity (2 requested taps,
    // one (strategy, instrument, window) cell).
    assert!(
        out.contains(&format!("aura: traces persisted: {trace_name} (2 tap(s) x 1 cell(s))")),
        "the persist summary line: {out}"
    );
    // The taps land under traces/<name>/<cell_key>/ — the cell key is
    // content-derived: strategy8-instrument-w<window_ordinal>.
    let cell_key = format!("{}-GER40-w0", &bp_id[..8]);
    let cell_dir = runs_dir.join("traces").join(trace_name).join(&cell_key);
    assert!(
        cell_dir.join("equity.json").is_file(),
        "equity tap persisted at {}",
        cell_dir.display()
    );
    assert!(
        cell_dir.join("r_equity.json").is_file(),
        "r_equity tap persisted at {}",
        cell_dir.display()
    );
    assert!(
        !cell_dir.join("exposure.json").exists(),
        "unrequested taps are not persisted"
    );
    // The shipped viewer reads the member back (the cli_run.rs chart
    // idiom): exit 0 and an HTML page carrying both persisted tap series.
    let (chart_out, chart_code) =
        run_code_in(&dir, &["chart", &format!("{trace_name}/{cell_key}")]);
    assert_eq!(chart_code, Some(0), "aura chart reads the persisted member: {chart_out}");
    assert!(
        chart_out.contains("\"equity\"") && chart_out.contains("\"r_equity\""),
        "the chart page carries the two persisted taps: {chart_out}"
    );
}

/// Property (#259): a campaign's cost block reaches the walk-forward →
/// monte-carlo evidence chain — the pooled-OOS bootstrap resamples the
/// COST-NETTED per-trade series, so the same matrix run with and without a
/// cost block records DIFFERENT `pooled_oos` stats (today's bug: identical to
/// every digit). Hostless: runs over the synthetic SYMA archive, no
/// data-mount skip-guard.
#[test]
fn campaign_run_synthetic_e2e_cost_block_nets_the_pooled_oos_bootstrap() {
    let (dir, _fixture) = fresh_project_with_data();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("netmc.process.json")),
        ScratchPath::File(dir.join("gross.campaign.json")),
        ScratchPath::File(dir.join("net.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-run-netmc-seed");
    let proc_id = register_process_doc(&dir, "netmc.process.json", WF_PROCESS_DOC);
    // SYMA's synthetic archive spans 2024-01..08; Mar-01..Jun-30 (~17 weeks)
    // gives the (14d, 7d, 7d) roller a comfortable tiling.
    let base = campaign_doc_json_for(
        "SYMA",
        &bp_id,
        &proc_id,
        (1709251200000, 1719791999999),
        "",
        "",
    );
    // The costed twin: the SAME document plus a constant cost block — the
    // only difference (the replacen pattern of the cost e2e siblings).
    let with_cost = base.replacen(
        "\"seed\": 7,",
        "\"seed\": 7,\n  \"cost\": [ { \"constant\": { \"cost_per_trade\": 0.5 } } ],",
        1,
    );
    assert_ne!(with_cost, base, "replacen must actually match the seed field");
    write_doc(&dir, "gross.campaign.json", &base);
    write_doc(&dir, "net.campaign.json", &with_cost);

    // Both runs share the store (the cost-e2e sibling pattern) — the record
    // line is read from each run's own stdout, so no isolation is needed.
    let pooled = |doc: &str| -> serde_json::Value {
        let (out, code) = run_code_in(&dir, &["campaign", "run", doc]);
        assert_eq!(code, Some(0), "campaign run failed: {out}");
        let line = out
            .lines()
            .find(|l| l.starts_with("{\"campaign_run\":"))
            .expect("the always-on final campaign_run line");
        let v: serde_json::Value = serde_json::from_str(line).expect("record parses");
        v["campaign_run"]["cells"][0]["stages"][3]["bootstrap"]["pooled_oos"].clone()
    };
    let gross = pooled("gross.campaign.json");
    let net = pooled("net.campaign.json");

    let n_gross = gross["n_trades"].as_u64().expect("gross n_trades");
    let n_net = net["n_trades"].as_u64().expect("net n_trades");
    assert!(n_gross > 0, "the synthetic window must produce OOS trades: {gross}");
    assert_eq!(
        n_gross, n_net,
        "cost is a feed-forward subtraction — it must not change the trade population"
    );
    let mean_gross = gross["e_r"]["mean"].as_f64().expect("gross mean");
    let mean_net = net["e_r"]["mean"].as_f64().expect("net mean");
    assert!(
        mean_net < mean_gross,
        "the costed bootstrap must resample the NET series (#259): gross {mean_gross} vs net {mean_net}"
    );
    let p_gross = gross["prob_le_zero"].as_f64().expect("gross prob_le_zero");
    let p_net = net["prob_le_zero"].as_f64().expect("net prob_le_zero");
    assert!(
        p_net >= p_gross,
        "a strictly-lower resample mean cannot lower prob_le_zero: gross {p_gross} vs net {p_net}"
    );
}

/// Property (#259), the OTHER mc bootstrap input shape: with no
/// `walk_forward` in the pipeline (`sweep -> monte_carlo`), each surviving
/// sweep member gets its OWN bootstrap (`PerSurvivor`, keyed by ordinal) —
/// a distinct code path from `PooledOos` above (`member_net_trade_rs` /
/// `SweepPoint` in aura-registry, not the wf-family pooling in
/// aura-campaign). That path must resample the same cost-netted
/// `net_trade_rs` conduit: a cost block must shift EVERY surviving member's
/// resampled mean down, never leave any member's bootstrap gross-identical.
/// Hostless: runs over the synthetic SYMA archive, no data-mount skip-guard.
/// The gated real-data sibling (`campaign_run_real_e2e_sweep_monte_carlo_per_survivor`)
/// exercises this shape but never with a cost block, so it cannot pin this property.
#[test]
fn campaign_run_synthetic_e2e_cost_block_nets_the_per_survivor_bootstrap() {
    let (dir, _fixture) = fresh_project_with_data();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("persurvivor.process.json")),
        ScratchPath::File(dir.join("gross_ps.campaign.json")),
        ScratchPath::File(dir.join("net_ps.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-run-persurvivor-seed");
    let proc_id = register_process_doc(&dir, "persurvivor.process.json", MC_PROCESS_DOC);
    // Same SYMA window as the pooled-OOS sibling above — known to produce
    // trades over the synthetic archive.
    let base = campaign_doc_json_for(
        "SYMA",
        &bp_id,
        &proc_id,
        (1709251200000, 1719791999999),
        "",
        "",
    );
    let with_cost = base.replacen(
        "\"seed\": 7,",
        "\"seed\": 7,\n  \"cost\": [ { \"constant\": { \"cost_per_trade\": 0.5 } } ],",
        1,
    );
    assert_ne!(with_cost, base, "replacen must actually match the seed field");
    write_doc(&dir, "gross_ps.campaign.json", &base);
    write_doc(&dir, "net_ps.campaign.json", &with_cost);

    let per_survivor = |doc: &str| -> Vec<(u64, serde_json::Value)> {
        let (out, code) = run_code_in(&dir, &["campaign", "run", doc]);
        assert_eq!(code, Some(0), "campaign run failed: {out}");
        let line = out
            .lines()
            .find(|l| l.starts_with("{\"campaign_run\":"))
            .expect("the always-on final campaign_run line");
        let v: serde_json::Value = serde_json::from_str(line).expect("record parses");
        v["campaign_run"]["cells"][0]["stages"][1]["bootstrap"]["per_survivor"]
            .as_array()
            .expect("no walk_forward precedes: the PerSurvivor arm, not pooled_oos")
            .iter()
            .map(|pair| (pair[0].as_u64().expect("ordinal"), pair[1].clone()))
            .collect()
    };
    let gross = per_survivor("gross_ps.campaign.json");
    let net = per_survivor("net_ps.campaign.json");

    assert_eq!(gross.len(), 4, "2x2 axes -> four surviving members: {gross:?}");
    assert_eq!(gross.len(), net.len(), "cost must not change the surviving-member population");
    for ((g_ord, g), (n_ord, n)) in gross.iter().zip(net.iter()) {
        assert_eq!(g_ord, n_ord, "the two runs must enumerate members in the same ordinal order");
        let n_trades_g = g["n_trades"].as_u64().expect("gross n_trades");
        let n_trades_n = n["n_trades"].as_u64().expect("net n_trades");
        assert!(n_trades_g > 0, "member {g_ord} must have produced trades: {g}");
        assert_eq!(
            n_trades_g, n_trades_n,
            "member {g_ord}: cost is a feed-forward subtraction — it must not change the trade population"
        );
        let mean_g = g["e_r"]["mean"].as_f64().expect("gross mean");
        let mean_n = n["e_r"]["mean"].as_f64().expect("net mean");
        assert!(
            mean_n < mean_g,
            "member {g_ord}: the costed PerSurvivor bootstrap must resample the NET series (#259): gross {mean_g} vs net {mean_n}"
        );
    }
}

/// The campaign `data.bindings` override end to end (#231, 6b): the same
/// seeded strategy, window, and seed run twice — bare (price<-close default)
/// and with `price` rebound to the open column. Both exit 0; the realized
/// member metrics differ (the open series is not the close series); the
/// strategy blueprint is untouched (both docs reference the same content id).
/// Gated on the local GER40 archive; skips cleanly when absent.
#[test]
fn campaign_run_real_e2e_bindings_override_rebinds_price_to_open() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("sweep.process.json")),
        ScratchPath::File(dir.join("close.campaign.json")),
        ScratchPath::File(dir.join("open.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "binding-override-seed");
    let proc_id = register_process_doc(&dir, "sweep.process.json", SWEEP_ONLY_PROCESS_DOC);
    let base = campaign_doc_json(
        &bp_id,
        &proc_id,
        (1725148800000, 1727740799999),
        "",
        "\"family_table\"",
    );
    let rebound = base.replace(
        r#""data": { "instruments": ["GER40"],"#,
        r#""data": { "bindings": { "price": "open" }, "instruments": ["GER40"],"#,
    );
    assert_ne!(rebound, base, "the override splice must hit the data section");
    write_doc(&dir, "close.campaign.json", &base);
    write_doc(&dir, "open.campaign.json", &rebound);

    let (out_close, code_close) = run_code_in(&dir, &["campaign", "run", "close.campaign.json"]);
    if code_close == Some(1)
        && (out_close.contains("no recorded geometry") || out_close.contains("no data for instrument"))
    {
        eprintln!("skip: no local GER40 data for the binding-override e2e");
        return;
    }
    assert_eq!(code_close, Some(0), "stdout/stderr: {out_close}");
    let (out_open, code_open) = run_code_in(&dir, &["campaign", "run", "open.campaign.json"]);
    assert_eq!(code_open, Some(0), "stdout/stderr: {out_open}");

    let first_member = |out: &str| -> serde_json::Value {
        out.lines()
            .find(|l| l.starts_with("{\"family_id\":"))
            .map(|l| serde_json::from_str(l).expect("member line parses"))
            .expect("a family_table member line")
    };
    let close_metrics = first_member(&out_close)["report"]["metrics"].clone();
    let open_metrics = first_member(&out_open)["report"]["metrics"].clone();
    assert_ne!(
        close_metrics, open_metrics,
        "rebinding price<-open must change the realized member metrics"
    );
}

/// Property (#210 T3, Task 4 Step 9 — the regime->stop map): a campaign
/// document's non-default risk regime (`risk: [{ "vol": { length, k } }]`)
/// reaches the real `CliMemberRunner::run_member` path and IS the stop actually
/// stamped into each emitted member's manifest — `stop_length`/`stop_k` equal
/// the regime's own values (5, 3.5), not `R_SMA_STOP_LENGTH`/`R_SMA_STOP_K`
/// (3, 2.0). Every other campaign-run test in this file is regime-less (`risk`
/// absent), so they all only ever exercise the `None` arm of the campaign
/// member runner's regime match and would keep passing even if a regression
/// dropped `cell.regime` on the floor and always stamped the baked default;
/// this is the one test that actually drives the `Some(RiskRegime::Vol { .. })`
/// arm end to end. Gated on the local GER40 archive like its sibling e2e tests
/// above; skips on a data-less host.
#[test]
fn campaign_run_real_e2e_non_default_regime_stamps_its_own_stop() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("regime.process.json")),
        ScratchPath::File(dir.join("regime.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-run-regime-seed");
    let proc_id = register_process_doc(&dir, "regime.process.json", SWEEP_ONLY_PROCESS_DOC);
    let base = campaign_doc_json(
        &bp_id,
        &proc_id,
        (1725148800000, 1727740799999),
        "",
        "\"family_table\"",
    );
    let with_regime = base.replacen(
        "\"seed\": 7,",
        "\"seed\": 7,\n  \"risk\": [ { \"vol\": { \"length\": 5, \"k\": 3.5 } } ],",
        1,
    );
    assert_ne!(with_regime, base, "replacen must actually match the fixture's seed field");
    write_doc(&dir, "regime.campaign.json", &with_regime);
    let (out, code) = run_code_in(&dir, &["campaign", "run", "regime.campaign.json"]);

    if code == Some(1)
        && (out.contains("no recorded geometry") || out.contains("no data for instrument"))
    {
        eprintln!("skip: no local GER40 data for the campaign regime e2e");
        return;
    }
    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    let member_lines: Vec<&str> =
        out.lines().filter(|l| l.starts_with("{\"family_id\":")).collect();
    assert!(!member_lines.is_empty(), "family_table member lines emitted: {out}");
    for line in &member_lines {
        let v: serde_json::Value = serde_json::from_str(line).expect("member line parses as JSON");
        let params = v["report"]["manifest"]["params"]
            .as_array()
            .expect("manifest.params is an array");
        let get = |name: &str| params.iter().find(|p| p[0].as_str() == Some(name));
        assert_eq!(
            get("stop_length").and_then(|p| p[1]["I64"].as_i64()),
            Some(5),
            "the campaign's own regime length is stamped, not the R_SMA default: {line}"
        );
        assert_eq!(
            get("stop_k").and_then(|p| p[1]["F64"].as_f64()),
            Some(3.5),
            "the campaign's own regime k is stamped, not the R_SMA default: {line}"
        );
    }
}

/// Property (#210 T3/T4 — per-cell regime resolution, not a shared last-write):
/// a campaign with TWO distinct non-default risk regimes stamps EACH regime's
/// OWN stop into ITS OWN cell's members, never the other regime's values and
/// never both collapsing onto one. The single-regime sibling test above cannot
/// catch a bug where the executor's per-cell loop resolves the WRONG regime for
/// a cell (e.g. an off-by-one on `regime_ordinal`, or a closure that captures
/// the last-seen `regime` instead of the current one) — with only one non-
/// default entry, such a bug is invisible (there is nothing else it could pick).
/// Distinguishes the two cells' member lines by the `-r{regime_ordinal}-`
/// segment `run_cell` bakes into the family name (exec.rs), which is the only
/// externally observable handle on which cell a member line belongs to. Gated
/// on the local GER40 archive like its siblings; skips on a data-less host.
#[test]
fn campaign_run_real_e2e_two_regimes_each_stamp_their_own_stop() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("tworegimes.process.json")),
        ScratchPath::File(dir.join("tworegimes.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-run-two-regimes-seed");
    let proc_id = register_process_doc(&dir, "tworegimes.process.json", SWEEP_ONLY_PROCESS_DOC);
    let base = campaign_doc_json(
        &bp_id,
        &proc_id,
        (1725148800000, 1727740799999),
        "",
        "\"family_table\"",
    );
    let with_regimes = base.replacen(
        "\"seed\": 7,",
        "\"seed\": 7,\n  \"risk\": [ { \"vol\": { \"length\": 5, \"k\": 3.5 } }, \
         { \"vol\": { \"length\": 8, \"k\": 1.2 } } ],",
        1,
    );
    assert_ne!(with_regimes, base, "replacen must actually match the fixture's seed field");
    write_doc(&dir, "tworegimes.campaign.json", &with_regimes);
    let (out, code) = run_code_in(&dir, &["campaign", "run", "tworegimes.campaign.json"]);

    if code == Some(1)
        && (out.contains("no recorded geometry") || out.contains("no data for instrument"))
    {
        eprintln!("skip: no local GER40 data for the campaign two-regime e2e");
        return;
    }
    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    let member_lines: Vec<&str> =
        out.lines().filter(|l| l.starts_with("{\"family_id\":")).collect();
    assert!(!member_lines.is_empty(), "family_table member lines emitted: {out}");

    let expect_for = |regime_tag: &str, want_length: i64, want_k: f64| {
        let matches: Vec<&&str> = member_lines
            .iter()
            .filter(|line| line.contains(regime_tag))
            .collect();
        assert!(!matches.is_empty(), "at least one member line tagged {regime_tag}: {out}");
        for line in matches {
            let v: serde_json::Value =
                serde_json::from_str(line).expect("member line parses as JSON");
            let params = v["report"]["manifest"]["params"]
                .as_array()
                .expect("manifest.params is an array");
            let get = |name: &str| params.iter().find(|p| p[0].as_str() == Some(name));
            assert_eq!(
                get("stop_length").and_then(|p| p[1]["I64"].as_i64()),
                Some(want_length),
                "{regime_tag} stamps its own stop_length, not the other regime's: {line}"
            );
            assert_eq!(
                get("stop_k").and_then(|p| p[1]["F64"].as_f64()),
                Some(want_k),
                "{regime_tag} stamps its own stop_k, not the other regime's: {line}"
            );
        }
    };
    expect_for("-r0-", 5, 3.5);
    expect_for("-r1-", 8, 1.2);
}

/// RED (#219 / #212): the campaign trace-persist re-run must reproduce the
/// nominee it recorded, INCLUDING when the cell ran under a non-default risk
/// regime. `run_blueprint_member` stamps the regime-resolved stop into the
/// member manifest (`stop_length`/`stop_k`), but `persist_campaign_traces`
/// rebuilds the re-run's `point` only from the SIGNAL blueprint's param space
/// (the SMA lengths) and hardcodes the DEFAULT `Vol { R_SMA_STOP_LENGTH,
/// R_SMA_STOP_K }` (3, 2.0) for the stop (campaign_run.rs). For a non-default
/// regime the re-run's stop differs from the recorded run's stop, its metrics
/// diverge, and the C1 drift alarm returns a FALSE "trace re-run diverged from
/// the recorded nominee (C1 violation)" refusal — exit 1 on a run that is in
/// fact perfectly deterministic. The record boundary (`CellRealization`) drops
/// the regime; the fix threads it through so the re-run binds the cell's OWN
/// stop. Every other persist e2e in this file is regime-less (default risk),
/// which is exactly why the bug shipped unnoticed. Gated on the local GER40
/// archive like its siblings; skips on a data-less host.
#[test]
fn campaign_persist_non_default_regime_does_not_false_fail_c1() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("regime-persist.process.json")),
        ScratchPath::File(dir.join("regime-persist.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-persist-regime-seed");
    let proc_id =
        register_process_doc(&dir, "regime-persist.process.json", SWEEP_ONLY_PROCESS_DOC);
    let base = campaign_doc_json(
        &bp_id,
        &proc_id,
        (1725148800000, 1727740799999),
        "\"equity\", \"r_equity\"",
        "\"family_table\"",
    );
    // A non-default regime: length != 3 or k != 2.0. Vol { 5, 3.0 } is a 50%
    // wider stop over a longer ATR window — its exits, R rows, and metrics
    // differ from the default the persist re-run hardcodes.
    let with_regime = base.replacen(
        "\"seed\": 7,",
        "\"seed\": 7,\n  \"risk\": [ { \"vol\": { \"length\": 5, \"k\": 3.0 } } ],",
        1,
    );
    assert_ne!(with_regime, base, "replacen must actually match the fixture's seed field");
    write_doc(&dir, "regime-persist.campaign.json", &with_regime);
    let (out, code) = run_code_in(&dir, &["campaign", "run", "regime-persist.campaign.json"]);

    // Skip on a data-less machine: the member-data refusal, never a panic.
    if code == Some(1)
        && (out.contains("no recorded geometry") || out.contains("no data for instrument"))
    {
        eprintln!("skip: no local GER40 data for the campaign regime-persist e2e");
        return;
    }

    // The symptom, pinned exactly: the persist re-run hardcodes the default
    // stop and false-fails the C1 drift alarm for the non-default regime.
    assert!(
        !out.contains("trace re-run diverged from the recorded nominee (C1 violation)"),
        "the persist re-run must bind the cell's own regime stop, not false-fail C1: {out}"
    );
    assert_eq!(
        code,
        Some(0),
        "a deterministic non-default-regime campaign persists cleanly: {out}"
    );

    // The nominee's taps actually landed (not merely that the refusal was
    // suppressed): traces/<name>/<cell_key>/equity.json exists.
    let record_line = out
        .lines()
        .find(|l| l.starts_with("{\"campaign_run\":"))
        .expect("the always-on final campaign_run line");
    let v: serde_json::Value =
        serde_json::from_str(record_line).expect("campaign_run line parses as JSON");
    let trace_name = v["campaign_run"]["trace_name"]
        .as_str()
        .expect("persist_taps non-empty => the record carries trace_name");
    let cell_key = format!("{}-GER40-w0", &bp_id[..8]);
    let cell_dir = runs_dir.join("traces").join(trace_name).join(&cell_key);
    assert!(
        cell_dir.join("equity.json").is_file(),
        "the non-default-regime nominee's equity tap persists at {}",
        cell_dir.display()
    );
}

/// Property (#234 Task 5, quality-review Minor finding): a costed campaign's
/// trace-persist re-run must not false-fail the C1 drift alarm, exercised
/// through the REAL production path — `campaign run` -> `run_campaign_returning`
/// -> `CliMemberRunner` (net-mode member run) -> `persist_campaign_traces`
/// (non-reduce re-run binding a `CostLeg` via `cost_nodes_for`) — not the
/// hand-mirrored arithmetic pinned by
/// `persist_side_nonreduce_rerun_matches_reduce_mode_net_metrics_under_cost` in
/// `main.rs`'s unit tests. Mirrors the sibling non-default-regime e2e above
/// (same #219-class divergence risk, cost edition): a costed campaign
/// document, `persist_taps` non-empty so the re-run actually executes, must
/// exit 0 with its nominee's cost stamp on disk and no C1 violation. Gated on
/// the local GER40 archive; skips on a data-less host.
#[test]
fn campaign_run_real_e2e_costed_campaign_persists_without_drift_alarm() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("cost-persist.process.json")),
        ScratchPath::File(dir.join("cost-persist.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-persist-cost-seed");
    let proc_id = register_process_doc(&dir, "cost-persist.process.json", SWEEP_ONLY_PROCESS_DOC);
    let base = campaign_doc_json(
        &bp_id,
        &proc_id,
        (1725148800000, 1727740799999),
        "\"equity\", \"r_equity\"",
        "\"family_table\"",
    );
    let with_cost = base.replacen(
        "\"seed\": 7,",
        "\"seed\": 7,\n  \"cost\": [ { \"constant\": { \"cost_per_trade\": 0.0005 } } ],",
        1,
    );
    assert_ne!(with_cost, base, "replacen must actually match the fixture's seed field");
    write_doc(&dir, "cost-persist.campaign.json", &with_cost);
    let (out, code) = run_code_in(&dir, &["campaign", "run", "cost-persist.campaign.json"]);

    // Skip on a data-less machine: the member-data refusal, never a panic.
    if code == Some(1)
        && (out.contains("no recorded geometry") || out.contains("no data for instrument"))
    {
        eprintln!("skip: no local GER40 data for the campaign cost-persist e2e");
        return;
    }

    assert!(
        !out.contains("C1 violation"),
        "the costed persist-side re-run must bind the SAME cost model the nominee ran \
         under, not false-fail C1: {out}"
    );
    assert_eq!(code, Some(0), "a deterministic costed campaign persists cleanly: {out}");

    // Non-vacuity: every emitted member actually stamped the cost component
    // it ran under (else the C1 comparison above never engaged a non-empty
    // CostLeg and this test would pass for the wrong reason).
    let member_lines: Vec<&str> =
        out.lines().filter(|l| l.starts_with("{\"family_id\":")).collect();
    assert!(!member_lines.is_empty(), "family_table member lines emitted: {out}");
    for line in &member_lines {
        let v: serde_json::Value = serde_json::from_str(line).expect("member line parses as JSON");
        let params = v["report"]["manifest"]["params"]
            .as_array()
            .expect("manifest.params is an array");
        assert!(
            params.iter().any(|p| p[0].as_str() == Some("cost[0].cost_per_trade")),
            "the costed member stamps its cost component: {line}"
        );
    }

    // The nominee's taps actually landed under the costed re-run.
    let record_line = out
        .lines()
        .find(|l| l.starts_with("{\"campaign_run\":"))
        .expect("the always-on final campaign_run line");
    let v: serde_json::Value =
        serde_json::from_str(record_line).expect("campaign_run line parses as JSON");
    let trace_name = v["campaign_run"]["trace_name"]
        .as_str()
        .expect("persist_taps non-empty => the record carries trace_name");
    let cell_key = format!("{}-GER40-w0", &bp_id[..8]);
    let cell_dir = runs_dir.join("traces").join(trace_name).join(&cell_key);
    assert!(
        cell_dir.join("r_equity.json").is_file(),
        "the costed nominee's r_equity tap persists at {}",
        cell_dir.display()
    );
}

/// Property (#234): a costed campaign requesting `net_r_equity` must actually
/// land a `net_r_equity.json` trace on disk carrying the cost-adjusted curve
/// — the write path (`TapChannel::Net` -> `rx_net` -> `net_rows` ->
/// `ColumnarTrace`) had no positive e2e coverage: the costed siblings above
/// request only equity/r_equity, and the skip e2e only proves `net_r_equity`
/// is ABSENT on a cost-FREE document. Exercised through the same real
/// production path as
/// `campaign_run_real_e2e_costed_campaign_persists_without_drift_alarm`,
/// requesting `net_r_equity` alongside `r_equity` on an identically-shaped
/// costed document: the net file must exist, carry the same row count as its
/// `r_equity` sibling (both drained off the identical per-cycle firing off
/// `exec.output("cum_realized_r"/"unrealized_r")` — `wrap_r`, main.rs), and
/// its values must diverge from the gross r_equity curve at least once
/// (non-vacuity — a net curve byte-identical to gross would pass even if the
/// LinComb(4) cost subtraction were never wired). Gated on the local GER40
/// archive; skips on a data-less host.
#[test]
fn campaign_run_real_e2e_net_r_equity_tap_persists_the_cost_adjusted_curve() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("net-persist.process.json")),
        ScratchPath::File(dir.join("net-persist.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-persist-net-seed");
    let proc_id = register_process_doc(&dir, "net-persist.process.json", SWEEP_ONLY_PROCESS_DOC);
    let base = campaign_doc_json(
        &bp_id,
        &proc_id,
        (1725148800000, 1727740799999),
        "\"net_r_equity\", \"r_equity\"",
        "\"family_table\"",
    );
    let with_cost = base.replacen(
        "\"seed\": 7,",
        "\"seed\": 7,\n  \"cost\": [ { \"constant\": { \"cost_per_trade\": 0.0005 } } ],",
        1,
    );
    assert_ne!(with_cost, base, "replacen must actually match the fixture's seed field");
    write_doc(&dir, "net-persist.campaign.json", &with_cost);
    let (out, code) = run_code_in(&dir, &["campaign", "run", "net-persist.campaign.json"]);

    // Skip on a data-less machine: the member-data refusal, never a panic.
    if code == Some(1)
        && (out.contains("no recorded geometry") || out.contains("no data for instrument"))
    {
        eprintln!("skip: no local GER40 data for the campaign net-persist e2e");
        return;
    }

    assert!(
        !out.contains("C1 violation"),
        "the costed persist-side re-run must bind the SAME cost model the nominee ran \
         under, not false-fail C1: {out}"
    );
    assert_eq!(code, Some(0), "a deterministic costed campaign persists cleanly: {out}");

    let record_line = out
        .lines()
        .find(|l| l.starts_with("{\"campaign_run\":"))
        .expect("the always-on final campaign_run line");
    let v: serde_json::Value =
        serde_json::from_str(record_line).expect("campaign_run line parses as JSON");
    let trace_name = v["campaign_run"]["trace_name"]
        .as_str()
        .expect("persist_taps non-empty => the record carries trace_name");
    let cell_key = format!("{}-GER40-w0", &bp_id[..8]);
    let cell_dir = runs_dir.join("traces").join(trace_name).join(&cell_key);

    // The headline finding: net_r_equity.json actually lands on disk.
    let net_path = cell_dir.join("net_r_equity.json");
    assert!(
        net_path.is_file(),
        "the costed nominee's net_r_equity tap persists at {}",
        cell_dir.display()
    );
    let req_path = cell_dir.join("r_equity.json");
    assert!(
        req_path.is_file(),
        "the sibling gross r_equity tap persists at {}",
        cell_dir.display()
    );

    let net_trace: serde_json::Value = serde_json::from_str(
        &std::fs::read_to_string(&net_path).expect("net_r_equity.json readable"),
    )
    .expect("net_r_equity.json parses as JSON");
    let req_trace: serde_json::Value = serde_json::from_str(
        &std::fs::read_to_string(&req_path).expect("r_equity.json readable"),
    )
    .expect("r_equity.json parses as JSON");
    let net_col = net_trace["columns"][0].as_array().expect("net_r_equity has a value column");
    let req_col = req_trace["columns"][0].as_array().expect("r_equity has a value column");
    assert!(!net_col.is_empty(), "the net curve carries at least one recorded row: {net_trace}");
    assert_eq!(
        net_col.len(),
        req_col.len(),
        "the net and gross curves are drained off the identical per-cycle firing, same row count"
    );

    // Non-vacuity: at least one row's net value differs from its gross
    // sibling — else this test would pass even if the LinComb cost
    // subtraction (net = gross - cum_cost - open_cost) were never wired and
    // net silently mirrored gross.
    let any_row_differs = net_col.iter().zip(req_col.iter()).any(|(n, r)| {
        n.as_f64().expect("net cell is f64") != r.as_f64().expect("gross cell is f64")
    });
    assert!(
        any_row_differs,
        "the costed net curve must diverge from the gross r_equity curve at least once \
         (else the cost subtraction never engaged): net={net_col:?} gross={req_col:?}"
    );
}

/// Property (#234): a `vol_slippage` cost component — the structurally
/// distinct leg from `constant` (it reactivates the vol-proxy RollingMax/
/// RollingMin/Sub chain feeding a `VolSlippageCost` node, not a flat per-close
/// charge) — nets a real campaign member through the SAME production path as
/// its `constant` sibling
/// (`campaign_run_real_e2e_costed_campaign_persists_without_drift_alarm`):
/// `campaign run` -> `CliMemberRunner` (net-mode) -> `persist_campaign_traces`
/// (non-reduce re-run binding a `CostLeg`). The re-run must bind the identical
/// vol-slippage model the nominee ran under, so it must not false-fail the C1
/// drift alarm; the emitted member must stamp `cost[0].slip_vol_mult`; and the
/// vol-driven charge must actually move net off gross (non-vacuity — a
/// zero-effect charge would let this pass even if the vol proxy were never
/// wired). Gated on the local GER40 archive; skips on a data-less host.
#[test]
fn campaign_run_real_e2e_vol_slippage_cost_persists_without_drift_alarm() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("volcost-persist.process.json")),
        ScratchPath::File(dir.join("volcost-persist.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-persist-volcost-seed");
    let proc_id =
        register_process_doc(&dir, "volcost-persist.process.json", SWEEP_ONLY_PROCESS_DOC);
    let base = campaign_doc_json(
        &bp_id,
        &proc_id,
        (1725148800000, 1727740799999),
        "\"r_equity\"",
        "\"family_table\"",
    );
    let with_cost = base.replacen(
        "\"seed\": 7,",
        "\"seed\": 7,\n  \"cost\": [ { \"vol_slippage\": { \"slip_vol_mult\": 0.5 } } ],",
        1,
    );
    assert_ne!(with_cost, base, "replacen must actually match the fixture's seed field");
    write_doc(&dir, "volcost-persist.campaign.json", &with_cost);
    let (out, code) = run_code_in(&dir, &["campaign", "run", "volcost-persist.campaign.json"]);

    // Skip on a data-less machine: the member-data refusal, never a panic.
    if code == Some(1)
        && (out.contains("no recorded geometry") || out.contains("no data for instrument"))
    {
        eprintln!("skip: no local GER40 data for the campaign vol-slippage-persist e2e");
        return;
    }

    assert!(
        !out.contains("C1 violation"),
        "the vol-slippage persist-side re-run must bind the SAME cost model the nominee \
         ran under, not false-fail C1: {out}"
    );
    assert_eq!(code, Some(0), "a deterministic vol-slippage-costed campaign persists cleanly: {out}");

    let member_lines: Vec<&str> =
        out.lines().filter(|l| l.starts_with("{\"family_id\":")).collect();
    assert!(!member_lines.is_empty(), "family_table member lines emitted: {out}");
    let mut any_net_moved = false;
    for line in &member_lines {
        let v: serde_json::Value = serde_json::from_str(line).expect("member line parses as JSON");
        let params = v["report"]["manifest"]["params"]
            .as_array()
            .expect("manifest.params is an array");
        assert!(
            params.iter().any(|p| p[0].as_str() == Some("cost[0].slip_vol_mult")),
            "the costed member stamps its vol_slippage component: {line}"
        );
        if let Some(r) = v["report"]["metrics"]["r"].as_object() {
            let gross = r["expectancy_r"].as_f64().expect("expectancy_r is a number");
            let net = r["net_expectancy_r"].as_f64().expect("net_expectancy_r is a number");
            if gross != net {
                any_net_moved = true;
            }
        }
    }
    assert!(
        any_net_moved,
        "at least one member's vol-slippage charge must move net off gross \
         (else the vol proxy never engaged): {out}"
    );
}

/// RED (#212 — the trace-dir collision facet of the same #219 record gap): two
/// risk regimes over the SAME (strategy, instrument, window) cell must persist
/// their traces into DISTINCT directories. `campaign_cell_key` names dirs
/// `strategy8-instrument-w{window_ordinal}` with NO regime discriminator
/// (campaign_run.rs), so both regimes' nominees resolve to the identical
/// `strategy8-GER40-w0` member dir and the second write clobbers the first.
/// NOTE (masking): today this fails EARLIER — at the same false C1 refusal as
/// its sibling above, because the persist re-run's hardcoded default stop
/// diverges from each non-default regime's recorded nominee. Once the regime is
/// threaded so the re-run stops false-failing, THIS assertion (two distinct
/// on-disk trace dirs, one per regime) becomes the live guard that the cell key
/// gained its `-r{ordinal}` discriminator — without it the two regimes collide
/// into one dir. Gated on the local GER40 archive; skips on a data-less host.
#[test]
fn campaign_persist_two_regimes_land_in_distinct_trace_dirs() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("tworegimes-persist.process.json")),
        ScratchPath::File(dir.join("tworegimes-persist.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-persist-two-regimes-seed");
    let proc_id = register_process_doc(
        &dir,
        "tworegimes-persist.process.json",
        SWEEP_ONLY_PROCESS_DOC,
    );
    let base = campaign_doc_json(
        &bp_id,
        &proc_id,
        (1725148800000, 1727740799999),
        "\"equity\"",
        "\"family_table\"",
    );
    let with_regimes = base.replacen(
        "\"seed\": 7,",
        "\"seed\": 7,\n  \"risk\": [ { \"vol\": { \"length\": 5, \"k\": 3.0 } }, \
         { \"vol\": { \"length\": 8, \"k\": 1.2 } } ],",
        1,
    );
    assert_ne!(with_regimes, base, "replacen must actually match the fixture's seed field");
    write_doc(&dir, "tworegimes-persist.campaign.json", &with_regimes);
    let (out, code) = run_code_in(&dir, &["campaign", "run", "tworegimes-persist.campaign.json"]);

    // Skip on a data-less machine: the member-data refusal, never a panic.
    if code == Some(1)
        && (out.contains("no recorded geometry") || out.contains("no data for instrument"))
    {
        eprintln!("skip: no local GER40 data for the two-regime persist e2e");
        return;
    }

    // Precondition (facet A): neither regime's persist re-run may false-fail C1.
    assert!(
        !out.contains("trace re-run diverged from the recorded nominee (C1 violation)"),
        "the persist re-run must bind each cell's own regime stop, not false-fail C1: {out}"
    );
    assert_eq!(code, Some(0), "a two-regime campaign persists both cells cleanly: {out}");

    // The guard (facet B): each regime's equity tap lands in its OWN dir under
    // traces/<name>/, so there are TWO distinct tap-bearing dirs, not one.
    let record_line = out
        .lines()
        .find(|l| l.starts_with("{\"campaign_run\":"))
        .expect("the always-on final campaign_run line");
    let v: serde_json::Value =
        serde_json::from_str(record_line).expect("campaign_run line parses as JSON");
    let trace_name = v["campaign_run"]["trace_name"]
        .as_str()
        .expect("persist_taps non-empty => the record carries trace_name");
    let family_dir = runs_dir.join("traces").join(trace_name);
    let mut tap_dirs: Vec<String> = std::fs::read_dir(&family_dir)
        .expect("trace family dir exists")
        .filter_map(|e| e.ok())
        .filter(|e| e.path().join("equity.json").is_file())
        .map(|e| e.file_name().to_string_lossy().into_owned())
        .collect();
    tap_dirs.sort();
    tap_dirs.dedup();
    assert_eq!(
        tap_dirs.len(),
        2,
        "two regimes over one cell persist into two distinct trace dirs, got {tap_dirs:?}"
    );
}

/// Property: an UNPRODUCIBLE tap requested alongside a producible one degrades
/// gracefully, never a crash or a silently-dropped whole request. `net_r_equity`
/// is in the closed tap vocabulary (`validate_campaign` accepts it) but has no
/// drained channel on the campaign runner's cost-free wrap (the doc carries
/// no cost block, #234); the one-time stderr note names exactly that tap, the
/// summary line's arity counts only what was actually written (1 tap, not 2),
/// and no `net_r_equity.json` file is ever created — only the producible
/// `equity` tap lands on disk. Uses `SWEEP_ONLY_PROCESS_DOC` (cheapest
/// executable shape) over the same GER40 Sept-2024 window as the gated wf e2e
/// above, so the underlying member run needs real data; skips on a data-less
/// host like its siblings.
#[test]
fn campaign_run_real_e2e_skips_unproducible_tap_gracefully() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("mixedtap.process.json")),
        ScratchPath::File(dir.join("mixedtap.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-run-mixedtap-seed");
    let proc_id = register_process_doc(&dir, "mixedtap.process.json", SWEEP_ONLY_PROCESS_DOC);
    write_doc(
        &dir,
        "mixedtap.campaign.json",
        &campaign_doc_json(
            &bp_id,
            &proc_id,
            (1725148800000, 1727740799999),
            "\"net_r_equity\", \"equity\"",
            "",
        ),
    );
    let (out, code) = run_code_in(&dir, &["campaign", "run", "mixedtap.campaign.json"]);

    // Skip on a data-less machine: the member-data refusal, never a panic.
    if code == Some(1)
        && (out.contains("no recorded geometry") || out.contains("no data for instrument"))
    {
        eprintln!("skip: no local GER40 data for the campaign e2e");
        return;
    }

    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    let record_line = out
        .lines()
        .find(|l| l.starts_with("{\"campaign_run\":"))
        .expect("the always-on final campaign_run line");
    let v: serde_json::Value =
        serde_json::from_str(record_line).expect("campaign_run line parses as JSON");
    let trace_name = v["campaign_run"]["trace_name"]
        .as_str()
        .expect("persist_taps non-empty => the record carries trace_name");

    assert!(
        out.contains(
            "aura: tap \"net_r_equity\" needs a cost model; add a cost block to the campaign document; skipped"
        ),
        "the unproducible tap gets a named, one-time note with the remedy: {out}"
    );
    assert!(
        out.contains(&format!("aura: traces persisted: {trace_name} (1 tap(s) x 1 cell(s))")),
        "the summary counts only the producible tap actually written: {out}"
    );
    let cell_key = format!("{}-GER40-w0", &bp_id[..8]);
    let cell_dir = runs_dir.join("traces").join(trace_name).join(&cell_key);
    assert!(
        cell_dir.join("equity.json").is_file(),
        "the producible tap still persists: {}",
        cell_dir.display()
    );
    assert!(
        !cell_dir.join("net_r_equity.json").exists(),
        "an unproducible tap is never written to disk"
    );
}

/// #234 (archive-gated): the net-R campaign path end to end. The SAME document
/// runs twice — without and with a `cost` block (the only textual difference).
/// Cost only ADDS: every member's gross field family is identical across the
/// two runs and net == gross without cost; with cost, every member's
/// net_expectancy_r sits strictly below its gross expectancy_r. The costed run
/// persists `net_r_equity` when requested (no skip notice), while the
/// cost-less run skips it with the remedy notice; and the costed family
/// reproduces bit-identically (components re-derived from the member
/// manifests). Skips on a data-less host like its siblings.
#[test]
fn campaign_run_real_e2e_cost_block_nets_members_and_persists_net_r_equity() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("costnet.process.json")),
        ScratchPath::File(dir.join("costless.campaign.json")),
        ScratchPath::File(dir.join("costnet.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-run-costnet-seed");
    let proc_id = register_process_doc(&dir, "costnet.process.json", SWEEP_ONLY_PROCESS_DOC);
    let base = campaign_doc_json(
        &bp_id,
        &proc_id,
        (1725148800000, 1727740799999),
        "\"net_r_equity\", \"equity\"",
        "\"family_table\"",
    );
    // The same document, plus a cost block — the ONLY difference. 2.0 price
    // units per close on GER40 (index ~18500, M1 vol-stop distances of a few
    // points) yields a clearly visible per-trade cost-in-R.
    let with_cost = base.replacen(
        "\"seed\": 7,",
        "\"seed\": 7,\n  \"cost\": [ { \"constant\": { \"cost_per_trade\": 2.0 } }, { \"vol_slippage\": { \"slip_vol_mult\": 0.5 } } ],",
        1,
    );
    assert_ne!(with_cost, base, "replacen must actually match the fixture's seed field");
    write_doc(&dir, "costless.campaign.json", &base);
    write_doc(&dir, "costnet.campaign.json", &with_cost);

    // Per-member (axis-params key -> (expectancy_r, net_expectancy_r)),
    // parsed from the emitted family_table member lines. Cost stamps are
    // excluded from the key so the two runs' members align.
    let members = |out: &str| -> Vec<(String, f64, f64)> {
        out.lines()
            // A member line starts with the family_id key itself; the always-on
            // final `{"campaign_run":...}` summary line also embeds a nested
            // "family_id" (per selection stage) and must NOT be swept in here.
            .filter(|l| l.starts_with("{\"family_id\":"))
            .map(|l| {
                let v: serde_json::Value = serde_json::from_str(l).expect("member line parses");
                let key = v["report"]["manifest"]["params"]
                    .as_array()
                    .expect("params array")
                    .iter()
                    .filter(|p| !p[0].as_str().unwrap_or_default().starts_with("cost["))
                    .map(|p| p.to_string())
                    .collect::<Vec<_>>()
                    .join(",");
                let r = &v["report"]["metrics"]["r"];
                (
                    key,
                    r["expectancy_r"].as_f64().expect("expectancy_r"),
                    r["net_expectancy_r"].as_f64().expect("net_expectancy_r"),
                )
            })
            .collect()
    };

    // (a) the cost-less baseline: net == gross, and net_r_equity skips with
    // the remedy notice while equity still persists.
    let (out_gross, code_gross) = run_code_in(&dir, &["campaign", "run", "costless.campaign.json"]);
    if code_gross == Some(1)
        && (out_gross.contains("no recorded geometry") || out_gross.contains("no data for instrument"))
    {
        eprintln!("skip: no local GER40 data for the cost e2e");
        return;
    }
    assert_eq!(code_gross, Some(0), "cost-less baseline run: {out_gross}");
    assert!(
        out_gross.contains(
            "aura: tap \"net_r_equity\" needs a cost model; add a cost block to the campaign document; skipped"
        ),
        "the cost-less run skips the net tap with the remedy: {out_gross}"
    );
    let gross_members = members(&out_gross);
    assert_eq!(gross_members.len(), 4, "2x2 axes -> four member lines: {out_gross}");
    for (key, e, ne) in &gross_members {
        assert_eq!(e, ne, "cost-less member {key} must have net == gross");
    }

    // (b) the costed run: gross identical member-for-member, net strictly
    // below gross, no skip notice, net_r_equity persisted on disk.
    let (out_net, code_net) = run_code_in(&dir, &["campaign", "run", "costnet.campaign.json"]);
    assert_eq!(code_net, Some(0), "costed run: {out_net}");
    assert!(
        !out_net.contains("skipped"),
        "a costed run must not skip any requested tap: {out_net}"
    );
    let net_members = members(&out_net);
    assert_eq!(net_members.len(), 4, "the same four members: {out_net}");
    for (key, e, ne) in &net_members {
        let (_, gross_e, _) = gross_members
            .iter()
            .find(|(gk, _, _)| gk == key)
            .unwrap_or_else(|| panic!("costed member {key} has no cost-less twin"));
        assert_eq!(e, gross_e, "cost only ADDS: member {key} gross must be identical");
        assert!(ne < e, "member {key}: net {ne} must sit strictly below gross {e}");
    }

    let record_line = out_net
        .lines()
        .find(|l| l.starts_with("{\"campaign_run\":"))
        .expect("the always-on final campaign_run line");
    let v: serde_json::Value =
        serde_json::from_str(record_line).expect("campaign_run line parses as JSON");
    let trace_name = v["campaign_run"]["trace_name"]
        .as_str()
        .expect("persist_taps non-empty => the record carries trace_name");
    let cell_key = format!("{}-GER40-w0", &bp_id[..8]);
    let cell_dir = runs_dir.join("traces").join(trace_name).join(&cell_key);
    assert!(
        cell_dir.join("net_r_equity.json").is_file(),
        "the net curve persists at {}",
        cell_dir.display()
    );
    assert!(
        cell_dir.join("equity.json").is_file(),
        "the sibling tap still persists: {}",
        cell_dir.display()
    );

    // (c) the costed family reproduces bit-identically — the components are
    // re-derived from the member manifests (#233 pattern, cost edition).
    let family_id = out_net
        .lines()
        .find(|l| l.starts_with("{\"family_id\":"))
        .map(|l| {
            serde_json::from_str::<serde_json::Value>(l).expect("member line parses")["family_id"]
                .as_str()
                .expect("family_id is a string")
                .to_string()
        })
        .expect("a costed member line carries the family id");
    let (rep_out, rep_code) = run_code_in(&dir, &["reproduce", &family_id]);
    assert_eq!(rep_code, Some(0), "reproduce: {rep_out}");
    assert!(
        rep_out.contains("reproduced 4/4 members bit-identically"),
        "the costed family re-derives: {rep_out}"
    );
}

/// Property (#234): a `carry` cost component — the third and structurally
/// distinct cost leg (a per-held-cycle accrual charged while a position stays
/// open, via `CarryCost`'s own extra input, unlike `constant`'s flat per-close
/// charge or `vol_slippage`'s volatility-proxy-scaled charge) — nets a real
/// campaign member through the SAME production path as its `constant`/
/// `vol_slippage` siblings (`campaign run` -> `CliMemberRunner` (net-mode) ->
/// `persist_campaign_traces`, non-reduce re-run binding a `CostLeg`). The
/// re-run must bind the identical carry model the nominee ran under, so it
/// must not false-fail the C1 drift alarm; the emitted member must stamp
/// `cost[0].carry_per_cycle`; and the accrual must actually move at least one
/// member's net off its gross (non-vacuity — a zero-effect charge would let
/// this pass even if the per-cycle accrual were never wired). Gated on the
/// local GER40 archive; skips on a data-less host.
#[test]
fn campaign_run_real_e2e_carry_cost_persists_without_drift_alarm() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("carrycost-persist.process.json")),
        ScratchPath::File(dir.join("carrycost-persist.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-persist-carrycost-seed");
    let proc_id =
        register_process_doc(&dir, "carrycost-persist.process.json", SWEEP_ONLY_PROCESS_DOC);
    let base = campaign_doc_json(
        &bp_id,
        &proc_id,
        (1725148800000, 1727740799999),
        "\"r_equity\"",
        "\"family_table\"",
    );
    let with_cost = base.replacen(
        "\"seed\": 7,",
        "\"seed\": 7,\n  \"cost\": [ { \"carry\": { \"carry_per_cycle\": 0.001 } } ],",
        1,
    );
    assert_ne!(with_cost, base, "replacen must actually match the fixture's seed field");
    write_doc(&dir, "carrycost-persist.campaign.json", &with_cost);
    let (out, code) = run_code_in(&dir, &["campaign", "run", "carrycost-persist.campaign.json"]);

    // Skip on a data-less machine: the member-data refusal, never a panic.
    if code == Some(1)
        && (out.contains("no recorded geometry") || out.contains("no data for instrument"))
    {
        eprintln!("skip: no local GER40 data for the campaign carry-cost-persist e2e");
        return;
    }

    assert!(
        !out.contains("C1 violation"),
        "the carry persist-side re-run must bind the SAME cost model the nominee ran \
         under, not false-fail C1: {out}"
    );
    assert_eq!(code, Some(0), "a deterministic carry-costed campaign persists cleanly: {out}");

    let member_lines: Vec<&str> =
        out.lines().filter(|l| l.starts_with("{\"family_id\":")).collect();
    assert!(!member_lines.is_empty(), "family_table member lines emitted: {out}");
    let mut any_net_moved = false;
    for line in &member_lines {
        let v: serde_json::Value = serde_json::from_str(line).expect("member line parses as JSON");
        let params = v["report"]["manifest"]["params"]
            .as_array()
            .expect("manifest.params is an array");
        assert!(
            params.iter().any(|p| p[0].as_str() == Some("cost[0].carry_per_cycle")),
            "the costed member stamps its carry component: {line}"
        );
        if let Some(r) = v["report"]["metrics"]["r"].as_object() {
            let gross = r["expectancy_r"].as_f64().expect("expectancy_r is a number");
            let net = r["net_expectancy_r"].as_f64().expect("net_expectancy_r is a number");
            if gross != net {
                any_net_moved = true;
            }
        }
    }
    assert!(
        any_net_moved,
        "at least one member's carry accrual must move net off gross \
         (else the per-held-cycle charge never engaged): {out}"
    );
}

/// Gated real-data e2e, the OTHER mc bootstrap input shape (#200 d1): with no
/// walk_forward in the pipeline (`sweep -> monte_carlo`), the terminal
/// annotator's dual-input dispatch takes the `PerSurvivor` arm, not
/// `PooledOos` — one bootstrap per surviving sweep member, keyed by the
/// member's ordinal into the sweep family, rather than one pooled bootstrap
/// over walk-forward OOS windows. `campaign_run_real_e2e_sweep_gate_walkforward`
/// above only exercises `PooledOos`; this is the only e2e coverage of
/// `PerSurvivor` with real data (the addressing-mode tests use it only as a
/// data-free refusal fixture).
#[test]
fn campaign_run_real_e2e_sweep_monte_carlo_per_survivor() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("mc.process.json")),
        ScratchPath::File(dir.join("mc.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-run-mc-persurvivor-seed");
    let proc_id = register_process_doc(&dir, "mc.process.json", MC_PROCESS_DOC);
    // Same GER40 Sept-2024 window as the gated wf e2e above.
    write_doc(
        &dir,
        "mc.campaign.json",
        &campaign_doc_json(&bp_id, &proc_id, (1725148800000, 1727740799999), "", ""),
    );
    let (out, code) = run_code_in(&dir, &["campaign", "run", "mc.campaign.json"]);

    // Skip on a data-less machine: the member-data refusal, never a panic.
    if code == Some(1)
        && (out.contains("no recorded geometry") || out.contains("no data for instrument"))
    {
        eprintln!("skip: no local GER40 data for the campaign e2e");
        return;
    }

    assert_eq!(code, Some(0), "stdout/stderr: {out}");
    let record_line = out
        .lines()
        .find(|l| l.starts_with("{\"campaign_run\":"))
        .expect("the always-on final campaign_run line");
    let v: serde_json::Value =
        serde_json::from_str(record_line).expect("campaign_run line parses as JSON");
    let cells = v["campaign_run"]["cells"].as_array().expect("cells array");
    let stages = cells[0]["stages"].as_array().expect("stages array");
    assert_eq!(stages.len(), 2, "sweep + monte_carlo realized: {record_line}");
    assert_eq!(
        stages[1]["block"].as_str(),
        Some("std::monte_carlo"),
        "the annotator stage is realized last: {record_line}"
    );
    let per_survivor = stages[1]["bootstrap"]["per_survivor"]
        .as_array()
        .expect("no walk_forward precedes: the PerSurvivor arm, not pooled_oos");
    assert_eq!(
        per_survivor.len(),
        4,
        "one bootstrap per surviving sweep member (4 axis combinations, no gate): {record_line}"
    );
    let (ordinal, bootstrap) = (per_survivor[0][0].as_u64(), &per_survivor[0][1]);
    assert_eq!(ordinal, Some(0), "each entry is keyed by ordinal into the sweep family: {record_line}");
    assert_eq!(
        bootstrap["n_resamples"].as_u64(),
        Some(100),
        "the bootstrap carries the doc's resamples verbatim: {record_line}"
    );
}

/// `run_campaign` resolves a target two ways — a readable file (register-then-
/// run sugar) or a bare content id (direct store address) — then funnels BOTH
/// through one shared post-resolution path: "fetch the stored canonical bytes
/// by id ... so file addressing and id addressing produce the same
/// realization by construction" (the driver's own doc comment). This pins
/// that property observably: registering a document and then running it once
/// by FILE and once by its own resulting content ID must refuse with the
/// byte-identical prose — proof the two addressing modes are not two
/// independently drifting code paths. No real data needed: with the [1, 2]
/// 1970 window, both runs pass the (now mc-permitting) preflight and refuse
/// at the member-data seam — no recorded geometry on a data-less host, no
/// overlapping archive window on a data-ful one — exit 1 and byte-identical
/// prose either way (the message depends only on env/instrument/window).
#[test]
fn campaign_run_by_content_id_matches_file_sugar_refusal() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("mc2.process.json")),
        ScratchPath::File(dir.join("mc2.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-run-id-seed");
    let proc_id = register_process_doc(&dir, "mc2.process.json", MC_PROCESS_DOC);
    write_doc(&dir, "mc2.campaign.json", &campaign_doc_json(&bp_id, &proc_id, (1, 2), "", ""));

    let (file_out, file_code) = run_code_in(&dir, &["campaign", "run", "mc2.campaign.json"]);
    assert_eq!(file_code, Some(1), "stdout/stderr: {file_out}");

    let (reg_out, reg_code) = run_code_in(&dir, &["campaign", "register", "mc2.campaign.json"]);
    assert_eq!(reg_code, Some(0), "register failed: {reg_out}");
    let id = reg_out
        .lines()
        .find(|l| l.starts_with("registered campaign "))
        .expect("register line")
        .trim_start_matches("registered campaign ")
        .split(' ')
        .next()
        .expect("id")
        .trim_start_matches("content:")
        .to_string();
    let (id_out, id_code) = run_code_in(&dir, &["campaign", "run", &id]);
    assert_eq!(id_code, Some(1), "stdout/stderr: {id_out}");

    let file_line = file_out.lines().find(|l| l.starts_with("aura: ")).expect("file refusal line");
    let id_line = id_out.lines().find(|l| l.starts_with("aura: ")).expect("id refusal line");
    assert!(
        file_line.contains("no recorded geometry") || file_line.contains("no data for instrument"),
        "the refusal is the member-data seam (mc processes execute now): {file_line}"
    );
    assert_eq!(file_line, id_line, "file- and id-addressed runs must refuse identically");
}

/// #194 (the prefix trap): a `campaign run` target may carry the display
/// `content:` prefix copied verbatim from the tool's own register/introspect
/// output — the CLI strips it and resolves the bare store address. Pinned
/// observably: running the SAME registered campaign by bare id and by its
/// `content:`-prefixed form must refuse identically (proof the prefix is
/// stripped, not read as a second, unresolvable address). Both refuse at the
/// member-data seam (the mc process is executable in v2; the [1, 2] 1970
/// window guarantees a deterministic data refusal), so no real data is
/// needed.
#[test]
fn campaign_run_tolerates_content_prefix_on_target() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("prefix.process.json")),
        ScratchPath::File(dir.join("prefix.campaign.json")),
    ]);
    let bp_id = seed_blueprint(&dir, "campaign-run-prefix-seed");
    let proc_id = register_process_doc(&dir, "prefix.process.json", MC_PROCESS_DOC);
    write_doc(&dir, "prefix.campaign.json", &campaign_doc_json(&bp_id, &proc_id, (1, 2), "", ""));

    let (reg_out, reg_code) = run_code_in(&dir, &["campaign", "register", "prefix.campaign.json"]);
    assert_eq!(reg_code, Some(0), "register failed: {reg_out}");
    let id = reg_out
        .lines()
        .find(|l| l.starts_with("registered campaign "))
        .expect("register line")
        .trim_start_matches("registered campaign ")
        .split(' ')
        .next()
        .expect("id")
        .trim_start_matches("content:")
        .to_string();

    let (bare_out, _) = run_code_in(&dir, &["campaign", "run", &id]);
    let (pfx_out, _) = run_code_in(&dir, &["campaign", "run", &format!("content:{id}")]);

    let pfx_line = pfx_out.lines().find(|l| l.starts_with("aura: ")).expect("prefixed refusal line");
    assert!(
        !pfx_line.contains("neither a readable .json file nor a 64-hex content id"),
        "a content:-prefixed target must resolve as the bare id, not refuse as an unknown target: {pfx_line}"
    );
    let bare_line = bare_out.lines().find(|l| l.starts_with("aura: ")).expect("bare refusal line");
    assert!(
        bare_line.contains("no recorded geometry") || bare_line.contains("no data for instrument"),
        "the refusal is the member-data seam (mc processes execute now): {bare_line}"
    );
    assert_eq!(bare_line, pfx_line, "bare-id and content:-prefixed runs must resolve identically");
}

/// Property (#196 on-ramp x #198 executor): a blueprint registered through
/// `aura graph register` — NOT the pre-#196 `aura sweep` side-effect
/// `seed_blueprint` relies on elsewhere in this file — is a fully valid
/// campaign strategy ref: its content id resolves through the referential
/// gate, and its raw param space (`fast.length`/`slow.length`, the same
/// names `graph introspect --params` reports for this fixture) binds against
/// the campaign document's axes in `bind_axes`. This closes fieldtest F5
/// ("strategy refs unresolvable from the public surface — no blueprint
/// register verb") end to end: the run reaches the member-data seam (the
/// same [1, 2] 1970 window used elsewhere in this file for a deterministic,
/// data-free refusal) rather than failing earlier at referencing or binding.
#[test]
fn campaign_run_accepts_a_graph_register_seeded_strategy() {
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let _cleanup = ScratchGuard(vec![
        ScratchPath::Dir(runs_dir.clone()),
        ScratchPath::File(dir.join("onramp.process.json")),
        ScratchPath::File(dir.join("onramp.campaign.json")),
    ]);
    let closed_bp = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
    let (reg_out, reg_code) = run_code_in(&dir, &["graph", "register", &closed_bp]);
    assert_eq!(reg_code, Some(0), "graph register failed: {reg_out}");
    let bp_id = reg_out
        .lines()
        .find(|l| l.starts_with("registered blueprint "))
        .expect("register line")
        .trim_start_matches("registered blueprint ")
        .split(' ')
        .next()
        .expect("id")
        .trim_start_matches("content:")
        .to_string();

    let proc_id = register_process_doc(&dir, "onramp.process.json", SWEEP_ONLY_PROCESS_DOC);
    write_doc(&dir, "onramp.campaign.json", &campaign_doc_json(&bp_id, &proc_id, (1, 2), "", ""));
    let (out, code) = run_code_in(&dir, &["campaign", "run", "onramp.campaign.json"]);
    assert_eq!(code, Some(1), "stdout/stderr: {out}");
    assert!(
        out.contains("no recorded geometry") || out.contains("no data for instrument"),
        "referencing + axis-binding must succeed, reaching the member-data \
         seam rather than a referential or bind refusal: {out}"
    );
}

/// `campaign run`'s file-sugar branch calls `parse_valid_campaign` directly
/// (unwrapped), the SAME intrinsic validator `campaign register` calls but
/// wraps in its own "refusing to register:" prefix. This pins that `run`
/// does NOT inherit register's wrapper — an intrinsically invalid document
/// refuses with the bare "campaign document invalid:" prose — and, like
/// register, never touches the store for it. No project scaffolding, no
/// data, no seeded blueprint needed: the refusal fires before any of that is
/// read.
#[test]
fn campaign_run_invalid_file_refuses_before_touching_store() {
    // Run inside the built project (campaign run needs one, per the project
    // gate); the document fails intrinsic validation before any store or
    // referential check is reached, so the project's own store is untouched.
    let (dir, _fixture) = fresh_project();
    let runs_dir = dir.join("runs");
    std::fs::remove_dir_all(&runs_dir).ok();
    let bad = CAMPAIGN_DOC.replacen(r#""values": [8]"#, r#""values": []"#, 1);
    let bad_path = write_doc(&dir, "bad.campaign.json", &bad);
    let _cleanup = ScratchGuard(vec![ScratchPath::Dir(runs_dir.clone()), ScratchPath::File(bad_path)]);

    let (out, code) = run_code_in(&dir, &["campaign", "run", "bad.campaign.json"]);
    assert_eq!(code, Some(1), "stdout/stderr: {out}");
    assert!(
        out.contains("aura: campaign document invalid:"),
        "run must surface the bare doc-tier prose, not register's wrapper: {out}"
    );
    assert!(
        out.contains("axes.fast: an axis is a non-empty finite set"),
        "the doc-tier fault names the offending axis: {out}"
    );
    assert!(!out.contains("refusing to register:"), "run must not reuse register's prefix: {out}");
    assert!(
        !dir.join("runs").join("campaigns").exists(),
        "an invalid document must not create a store entry"
    );
}