diff --git a/crates/aura-cli/tests/cli_run.rs b/crates/aura-cli/tests/cli_run.rs
index 787c4cd..6f0852e 100644
--- a/crates/aura-cli/tests/cli_run.rs
+++ b/crates/aura-cli/tests/cli_run.rs
@@ -55,7 +55,7 @@ fn fresh_project() -> (&'static PathBuf, (RunsCleanup, MutexGuard<'static, ()>))
 #[test]
 fn sweep_outside_project_refuses_and_leaves_no_store() {
     let cwd = temp_cwd("sweep-outside-project-refuses");
-    let bp = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let bp = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args(["sweep", &bp, "--real", "GER40", "--axis", "sma_signal.fast.length=2,4"])
         .current_dir(&cwd)
@@ -72,7 +72,7 @@ fn sweep_outside_project_refuses_and_leaves_no_store() {
 #[test]
 fn generalize_outside_project_refuses_and_leaves_no_store() {
     let cwd = temp_cwd("generalize-outside-project-refuses");
-    let bp = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let bp = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args(["generalize", &bp, "--real", "GER40,USDJPY", "--axis", "sma_signal.fast.length=2"])
         .current_dir(&cwd)
@@ -89,7 +89,7 @@ fn generalize_outside_project_refuses_and_leaves_no_store() {
 #[test]
 fn walkforward_outside_project_refuses_and_leaves_no_store() {
     let cwd = temp_cwd("walkforward-outside-project-refuses");
-    let bp = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let bp = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args(["walkforward", &bp, "--real", "GER40", "--axis", "sma_signal.fast.length=2,4"])
         .current_dir(&cwd)
@@ -106,7 +106,7 @@ fn walkforward_outside_project_refuses_and_leaves_no_store() {
 #[test]
 fn mc_outside_project_refuses_and_leaves_no_store() {
     let cwd = temp_cwd("mc-outside-project-refuses");
-    let bp = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let bp = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args(["mc", &bp, "--real", "GER40", "--axis", "sma_signal.fast.length=2,4"])
         .current_dir(&cwd)
@@ -1055,7 +1055,7 @@ fn runs_families_list_and_per_family_rank_across_invocations() {
     // each a related set of 4 records (C18/C21 lineage), in the sibling family
     // store. `sweep` is blueprint-only now (#159 cut 4); the shipped open r-sma
     // example over a 2x2 axis grid stands in for the retired built-in default.
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     for _ in 0..2 {
         let out = Command::new(BIN)
             .args([
@@ -1175,7 +1175,7 @@ fn local_data_present() -> bool {
 fn sweep_real_no_geometry_symbol_refuses_with_exit_1() {
     // not gated: the pip refusal happens before any data access.
     let (dir, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(BIN)
         .args(["sweep", &fixture, "--axis", "sma_signal.fast.length=2,4", "--real", "NONEXISTENT"])
         .current_dir(dir).output().unwrap();
@@ -1253,7 +1253,7 @@ fn sweep_real_blueprint_member_manifest_stamps_the_default_stop() {
         return;
     }
     let (dir, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(BIN)
         .args([
             "sweep", &fixture,
@@ -1300,7 +1300,7 @@ fn sweep_real_blueprint_member_manifest_stamps_project_provenance() {
         return;
     }
     let (dir, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(BIN)
         .args([
             "sweep", &fixture,
@@ -1394,7 +1394,7 @@ fn sweep_real_ohlc_channel_members_run_and_reproduce() {
         return;
     }
     let (dir, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_channel_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/tests/fixtures/r_channel_open.json", env!("CARGO_MANIFEST_DIR"));
     let axes = std::process::Command::new(BIN)
         .args(["sweep", &fixture, "--list-axes"])
         .current_dir(dir)
@@ -1475,7 +1475,7 @@ fn sweep_real_blueprint_member_lines_pin_the_dissolved_contract() {
         return;
     }
     let (dir, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(BIN)
         .args([
             "sweep", &fixture,
@@ -1713,7 +1713,7 @@ fn sweep_real_with_trace_writes_tap_series_to_disk() {
         return;
     }
     let (dir, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(BIN)
         .args([
             "sweep", &fixture,
@@ -1771,7 +1771,7 @@ fn family_id_of_kind(dir: &Path, want: &str) -> String {
 /// silently re-run every member over the built-in synthetic showcase stream,
 /// which diverges from the stored real-data metrics on every member (observed:
 /// `reproduced 0/N bit-identically`, exit 1). Gated on the local GER40 archive
-/// (skip-on-no-data convention); uses the plain `r_sma_open.json` blueprint —
+/// (skip-on-no-data convention); uses the plain `r_sma.json` blueprint —
 /// no gang, no campaign-specific fixture — because the divergence is driven by
 /// `--real`, not by the minting path.
 #[test]
@@ -1781,7 +1781,7 @@ fn reproduce_real_sweep_family_re_derives_bit_identically() {
         return;
     }
     let (dir, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let mint = Command::new(BIN)
         .args([
             "sweep", &fixture,
@@ -1819,9 +1819,10 @@ fn reproduce_real_sweep_family_re_derives_bit_identically() {
 /// Property (C18/C1 reproduce guarantee, #246): the same reproduce guarantee holds
 /// when the swept axis names a BOUND param of a CLOSED starter blueprint, not an
 /// already-open one — `r_sma.json` (both `sma_signal.fast.length` and
-/// `sma_signal.slow.length` bound), the closed counterpart of the OPEN
-/// `r_sma_open.json` the walk-forward reproduce sibling
-/// (`aura_walkforward_over_a_blueprint_reproduces_bit_identically`) sweeps.
+/// `sma_signal.slow.length` bound), overriding only the `fast.length` axis and
+/// leaving `slow.length` bound — unlike the walk-forward reproduce sibling
+/// (`aura_walkforward_over_a_blueprint_reproduces_bit_identically`), which
+/// overrides both axes over the same closed blueprint.
 /// Modelled on that sibling (synthetic in-process walk-forward — no `--real`),
 /// NOT on `reproduce_real_sweep_family_re_derives_bit_identically`: a real-data
 /// mint routes through the campaign executor (`CliMemberRunner::run_member` +
@@ -1935,7 +1936,7 @@ fn reproduce_real_walkforward_family_does_not_panic() {
     const WF_FROM_MS: &str = "1735689600000";
     const WF_TO_MS: &str = "1747353600000";
     let (dir, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let mint = Command::new(BIN)
         .args([
             "walkforward", &fixture,
@@ -2139,7 +2140,7 @@ fn sweep_real_multi_column_blueprint_opens_high_and_low_columns() {
 #[test]
 fn aura_sweep_real_blueprint_refuses_a_raw_form_axis_name_before_data_access() {
     let dir = temp_cwd("sweep_real_rawname_refusal");
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = Command::new(BIN)
         .args([
             "sweep", &fixture,
@@ -2184,7 +2185,7 @@ fn aura_sweep_real_blueprint_subset_axes_refuses_without_store_litter() {
         return;
     }
     let (dir, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/tests/fixtures/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
     let out = Command::new(BIN)
         .args([
             "sweep", &fixture,
@@ -2228,9 +2229,11 @@ fn aura_sweep_real_blueprint_subset_axes_refuses_without_store_litter() {
 /// comment. Modelled on `sweep_real_blueprint_member_lines_pin_the_dissolved_contract`
 /// (the dissolved-sweep e2e family `walkforward_dissolved_refuses_an_unknown_axis_name`
 /// belongs to): same store-reading assertions (`aura runs families`, one
-/// persisted `Sweep` family, member count), but over the CLOSED `r_sma.json`
-/// fixture (`sma_signal.fast.length`/`sma_signal.slow.length` both bound)
-/// instead of the OPEN `r_sma_open.json` every other real-data sweep pin uses.
+/// persisted `Sweep` family, member count), over the same `r_sma.json`
+/// fixture every other real-data sweep pin uses (`sma_signal.fast.length`/
+/// `sma_signal.slow.length` both bound) — the distinguishing property here
+/// is that the swept axis names an already-bound param, not that the
+/// fixture differs.
 #[test]
 fn sweep_dissolved_accepts_an_axis_over_a_bound_param() {
     if !local_data_present() {
@@ -2269,6 +2272,89 @@ fn sweep_dissolved_accepts_an_axis_over_a_bound_param() {
     );
 }
 
+/// Property (#246 override merge, exercised at scale by #248's open-twins
+/// migration): sweeping the CLOSED `examples/r_sma.json` (both SMA lengths
+/// bound to defaults 2/4) with `--axis` values that override BOTH bound
+/// lengths yields BIT-IDENTICAL per-member `total_pips` to sweeping the
+/// historical OPEN `tests/fixtures/r_sma_open.json` (both lengths genuinely
+/// unbound) over the same axis values. #248's migration replaced the "bind
+/// an open param" idiom with "override a bound param" at dozens of call
+/// sites across cli_run.rs/research_docs.rs/project_load.rs; if the override
+/// merge ever diverged from the historical bind path (e.g. a different
+/// position in the rebuilt param vector), every migrated seed/grade site
+/// would silently compile a DIFFERENT graph while still exiting 0 — no other
+/// test cross-checks the two idioms against each other. NOT gated — a
+/// synthetic sweep, no `--real`, so it is CI-safe on every machine.
+#[test]
+fn sweep_over_a_bound_override_matches_the_historical_open_bind() {
+    let closed_dir = temp_cwd("bound-override-matches-open-closed");
+    let closed_bp = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
+    let closed_out = Command::new(BIN)
+        .args([
+            "sweep", &closed_bp,
+            "--axis", "sma_signal.fast.length=2,4",
+            "--axis", "sma_signal.slow.length=8,16",
+        ])
+        .current_dir(&closed_dir)
+        .output()
+        .expect("spawn sweep over the closed blueprint's bound-override axes");
+    assert!(
+        closed_out.status.success(),
+        "closed sweep exit: {:?}; stderr: {}",
+        closed_out.status,
+        String::from_utf8_lossy(&closed_out.stderr)
+    );
+
+    let open_dir = temp_cwd("bound-override-matches-open-open");
+    let open_bp = format!("{}/tests/fixtures/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let open_out = Command::new(BIN)
+        .args([
+            "sweep", &open_bp,
+            "--axis", "sma_signal.fast.length=2,4",
+            "--axis", "sma_signal.slow.length=8,16",
+        ])
+        .current_dir(&open_dir)
+        .output()
+        .expect("spawn sweep over the open blueprint's unbound axes");
+    assert!(
+        open_out.status.success(),
+        "open sweep exit: {:?}; stderr: {}",
+        open_out.status,
+        String::from_utf8_lossy(&open_out.stderr)
+    );
+
+    let pips = |dir: &Path| -> Vec<f64> {
+        let rank = Command::new(BIN)
+            .args(["runs", "family", "sweep-0", "rank", "total_pips"])
+            .current_dir(dir)
+            .output()
+            .expect("spawn rank");
+        assert!(rank.status.success(), "rank exit: {:?}", rank.status);
+        let out = String::from_utf8(rank.stdout).expect("utf-8");
+        out.lines()
+            .map(|l| {
+                let key = "\"total_pips\":";
+                let start = l.find(key).expect("line has total_pips") + key.len();
+                let tail = &l[start..];
+                let end = tail.find([',', '}']).expect("token end");
+                tail[..end].parse().expect("total_pips is an f64")
+            })
+            .collect()
+    };
+    let mut closed_pips = pips(&closed_dir);
+    let mut open_pips = pips(&open_dir);
+    closed_pips.sort_by(|a, b| a.partial_cmp(b).unwrap());
+    open_pips.sort_by(|a, b| a.partial_cmp(b).unwrap());
+    assert_eq!(
+        closed_pips, open_pips,
+        "bound-override and historical open-bind must compute bit-identical \
+         member metrics for the same axis grid"
+    );
+
+    let _ = std::fs::remove_dir_all(&closed_dir);
+    let _ = std::fs::remove_dir_all(&open_dir);
+}
+
 /// The synthetic seed-resweep `mc` is undefined over real bars (one realization ->
 /// identical members), so a bare `aura mc --real EURUSD` — with no R candidate — is
 /// REJECTED (usage on stderr, exit 2) at the binary boundary. The real path is
@@ -2600,7 +2686,7 @@ fn generalize_grades_a_candidate_across_two_instruments() {
     const FROM_MS: &str = "1725148800000";
     const TO_MS: &str = "1727740799999";
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "generalize", &fixture, "--real", "GER40,USDJPY",
@@ -2646,7 +2732,7 @@ fn generalize_real_e2e_pins_the_exact_current_grade() {
     const FROM_MS: &str = "1725148800000";
     const TO_MS: &str = "1727740799999";
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "generalize", &fixture, "--real", "GER40,USDJPY",
@@ -2691,7 +2777,7 @@ fn generalize_real_e2e_pins_the_exact_current_grade() {
 /// blueprint, not just the historical r-sma candidate — the whole point of
 /// dropping `--strategy r-sma`/`--fast`/`--slow` for a positional blueprint +
 /// generic `--axis`. Every other generalize E2E test here still exercises
-/// `r_sma_open.json`, so a regression that silently special-cased r-sma paths
+/// `r_sma.json`, so a regression that silently special-cased r-sma paths
 /// back in (e.g. resolving axes against a hardcoded `sma_signal.*` namespace)
 /// would ship green there while breaking every other blueprint. This runs the
 /// unrelated r-breakout candidate (the ganged `channel_length` axis, no
@@ -2703,7 +2789,7 @@ fn generalize_grades_a_non_r_sma_blueprint() {
     const FROM_MS: &str = "1725148800000";
     const TO_MS: &str = "1727740799999";
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_breakout_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/tests/fixtures/r_breakout_open.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "generalize", &fixture, "--real", "GER40,USDJPY",
@@ -2751,7 +2837,7 @@ fn walkforward_real_e2e_pins_the_exact_current_grade() {
     const FROM_MS: &str = "1735689600000";
     const TO_MS: &str = "1767225599000";
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "walkforward", &fixture, "--real", "GER40",
@@ -2797,7 +2883,7 @@ fn walkforward_real_e2e_pins_the_exact_current_grade() {
 /// sweepable blueprint through the campaign path, not just the historical r-sma
 /// candidate — the whole point of dropping `--strategy r-sma`/`--fast`/`--slow`
 /// for a positional blueprint + generic `--axis`. Every other walkforward E2E
-/// test here still exercises `r_sma_open.json`; a regression that silently
+/// test here still exercises `r_sma.json`; a regression that silently
 /// special-cased the refit's axis lookup back to a hardcoded `sma_signal.*`
 /// namespace (e.g. in `walkforward_summary_json_from_reports`'s per-axis
 /// `raw_matches_wrapped` search) would ship green there while breaking every
@@ -2813,7 +2899,7 @@ fn walkforward_dissolves_a_non_r_sma_blueprint() {
     const FROM_MS: &str = "1735689600000";
     const TO_MS: &str = "1767225599000";
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_breakout_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/tests/fixtures/r_breakout_open.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "walkforward", &fixture, "--real", "GER40",
@@ -2852,7 +2938,7 @@ fn walkforward_dissolves_a_non_r_sma_blueprint() {
 #[test]
 fn walkforward_dissolved_refuses_a_multi_value_stop() {
     let cwd = temp_cwd("walkforward-multi-stop");
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "walkforward", &fixture, "--real", "GER40",
@@ -2874,7 +2960,7 @@ fn walkforward_dissolved_refuses_a_multi_value_stop() {
 #[test]
 fn walkforward_dissolved_accepts_select_plateau() {
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "walkforward", &fixture, "--real", "GER40",
@@ -2918,7 +3004,7 @@ fn walkforward_real_e2e_pins_the_exact_current_plateau_grade() {
     const FROM_MS: &str = "1735689600000";
     const TO_MS: &str = "1767225599000";
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "walkforward", &fixture, "--real", "GER40",
@@ -2972,7 +3058,7 @@ fn walkforward_real_e2e_pins_the_exact_current_plateau_grade() {
 #[test]
 fn walkforward_dissolved_defaults_a_single_omitted_knob() {
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "walkforward", &fixture, "--real", "GER40",
@@ -3005,7 +3091,7 @@ fn walkforward_dissolved_defaults_a_single_omitted_knob() {
 #[test]
 fn walkforward_dissolved_refuses_an_empty_real_symbol() {
     let cwd = temp_cwd("walkforward-empty-real");
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "walkforward", &fixture, "--real", "",
@@ -3029,7 +3115,7 @@ fn walkforward_dissolved_refuses_an_empty_real_symbol() {
 #[test]
 fn walkforward_dissolved_refuses_an_unknown_axis_name() {
     let cwd = temp_cwd("walkforward-unknown-axis");
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "walkforward", &fixture, "--real", "GER40",
@@ -3059,7 +3145,7 @@ fn walkforward_dissolved_refuses_an_unknown_axis_name() {
 #[test]
 fn walkforward_dissolved_refuses_an_unknown_select_token() {
     let cwd = temp_cwd("walkforward-bad-select");
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "walkforward", &fixture, "--real", "GER40",
@@ -3083,7 +3169,7 @@ fn walkforward_dissolved_refuses_an_unknown_select_token() {
 #[test]
 fn walkforward_dissolved_refuses_name_and_trace_together() {
     let cwd = temp_cwd("walkforward-name-and-trace");
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "walkforward", &fixture, "--real", "GER40",
@@ -3119,7 +3205,7 @@ fn walkforward_dissolves_through_the_campaign_path() {
     const FROM_MS: &str = "1735689600000";
     const TO_MS: &str = "1767225599000";
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "walkforward", &fixture, "--real", "GER40",
@@ -3210,7 +3296,7 @@ fn walkforward_stopless_defaults_the_regime_byte_identically_to_explicit_3_2() {
     const FROM_MS: &str = "1735689600000";
     const TO_MS: &str = "1767225599000";
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
 
     // Stop-less: the two knobs are omitted entirely. This is the headline — today it
     // is refused at the argv boundary (exit 2, "requires --stop-length --stop-k");
@@ -3296,7 +3382,7 @@ fn generalize_dissolves_through_the_campaign_path() {
     const FROM_MS: &str = "1725148800000";
     const TO_MS: &str = "1727740799999";
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "generalize", &fixture, "--real", "GER40,USDJPY",
@@ -3387,7 +3473,7 @@ fn generalize_repeated_identical_invocation_does_not_litter_the_store() {
     const FROM_MS: &str = "1725148800000";
     const TO_MS: &str = "1727740799999";
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let invoke = || {
         std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
             .args([
@@ -3442,7 +3528,7 @@ fn generalize_distinct_invocations_persist_distinct_campaign_documents() {
     const FROM_MS: &str = "1725148800000";
     const TO_MS: &str = "1727740799999";
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let invoke = |fast: &str| {
         let fast_axis = format!("sma_signal.fast.length={fast}");
         std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
@@ -3492,7 +3578,7 @@ fn generalize_distinct_invocations_persist_distinct_campaign_documents() {
 #[test]
 fn generalize_without_explicit_window_resolves_a_shared_window_and_completes() {
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "generalize", &fixture, "--real", "GER40,USDJPY",
@@ -3545,7 +3631,7 @@ fn generalize_without_explicit_window_resolves_the_intersection_of_all_symbols()
         return;
     }
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
 
     // The resolved shared window persists verbatim in the generated campaign
     // document; read the (from_ms, to_ms) of the one whose `name` field matches.
@@ -3630,7 +3716,7 @@ fn generalize_without_explicit_window_resolves_the_intersection_of_all_symbols()
 /// before any data access — so it asserts the arity refusal on any machine.
 #[test]
 fn generalize_refuses_a_single_instrument() {
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "generalize", &fixture, "--real", "GER40",
@@ -3646,7 +3732,7 @@ fn generalize_refuses_a_single_instrument() {
 /// `check_r_metric` pre-check), so this asserts the R-only refusal on any machine.
 #[test]
 fn generalize_refuses_a_non_r_metric() {
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "generalize", &fixture, "--real", "GER40,USDJPY",
@@ -3671,7 +3757,7 @@ fn generalize_refuses_a_non_r_metric() {
 /// check precedes any geometry/archive lookup, so it asserts on any machine.
 #[test]
 fn generalize_refuses_a_duplicate_instrument() {
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "generalize", &fixture, "--real", "GER40,GER40",
@@ -3696,7 +3782,7 @@ fn generalize_refuses_a_duplicate_instrument() {
 /// into a multi-cell run whose generalization grade would be ill-defined.
 #[test]
 fn generalize_refuses_a_multi_value_axis() {
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "generalize", &fixture, "--real", "GER40,USDJPY",
@@ -3720,7 +3806,7 @@ fn generalize_refuses_a_multi_value_axis() {
 /// sweep/walkforward "no axis" refusals. Data-free (fires before any archive access).
 #[test]
 fn generalize_refuses_no_axis() {
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "generalize", &fixture, "--real", "GER40,USDJPY",
@@ -3744,7 +3830,7 @@ fn generalize_refuses_no_axis() {
 /// `aura sweep` enforces (`aura_sweep_real_blueprint_refuses_a_raw_form_axis_name_before_data_access`).
 #[test]
 fn generalize_refuses_an_unknown_axis_name() {
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "generalize", &fixture, "--real", "GER40,USDJPY",
@@ -3781,7 +3867,7 @@ fn generalize_persists_a_discoverable_cross_instrument_family() {
     const FROM_MS: &str = "1725148800000";
     const TO_MS: &str = "1727740799999";
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "generalize", &fixture, "--real", "GER40,USDJPY",
@@ -3843,7 +3929,7 @@ fn generalize_family_members_are_attributed_to_the_right_instrument() {
     const FROM_MS: &str = "1725148800000";
     const TO_MS: &str = "1727740799999";
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "generalize", &fixture, "--real", "GER40,USDJPY",
@@ -3910,7 +3996,7 @@ fn generalize_family_members_stamp_project_provenance() {
     const FROM_MS: &str = "1725148800000";
     const TO_MS: &str = "1727740799999";
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "generalize", &fixture, "--real", "GER40,USDJPY",
@@ -3957,13 +4043,13 @@ fn generalize_family_members_stamp_project_provenance() {
     }
 }
 
-/// `aura sweep <blueprint.json> --axis <name>=<csv> …` (#166): sweeps a loaded OPEN
-/// signal over its named param-space axes and persists a discoverable Sweep family.
-/// Both open knobs (fast/slow) must be bound by axes; the 2×2 grid yields 4 members.
+/// `aura sweep <blueprint.json> --axis <name>=<csv> …` (#166): sweeps a loaded CLOSED
+/// blueprint over its named bound-override axes and persists a discoverable Sweep family.
+/// Both bound knobs (fast/slow) must be re-opened by axes; the 2×2 grid yields 4 members.
 #[test]
 fn aura_sweep_loads_a_blueprint_and_persists_a_sweep_family() {
     let cwd = temp_cwd("blueprint-sweep");
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = Command::new(BIN)
         .args([
             "sweep", &fixture,
@@ -3996,7 +4082,7 @@ fn aura_sweep_loads_a_blueprint_and_persists_a_sweep_family() {
 /// both are the lying/pointer-less surface this pins.
 #[test]
 fn sweep_and_walkforward_refuse_trace_with_a_forward_pointer() {
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     for verb in ["sweep", "walkforward"] {
         let cwd = temp_cwd(&format!("{verb}-trace-refusal"));
         let out = Command::new(BIN)
@@ -4050,7 +4136,7 @@ fn aura_sweep_persists_the_canonical_blueprint_keyed_by_topology_hash() {
     use sha2::{Digest, Sha256};
 
     let cwd = temp_cwd("blueprint-sweep-store");
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = Command::new(BIN)
         .args([
             "sweep", &fixture,
@@ -4101,12 +4187,13 @@ fn aura_sweep_persists_the_canonical_blueprint_keyed_by_topology_hash() {
 }
 
 /// An `--axis` name that does not resolve against the loaded blueprint's param_space
-/// fails clean (a named BindError, non-zero exit), not a panic. The OPEN fixture has
-/// sweepable knobs, so a nonsense axis name (`nope`) is genuinely unknown — it names
-/// neither an open knob nor a bound param (#246: a bound name would re-open instead).
+/// fails clean (a named BindError, non-zero exit), not a panic. The CLOSED fixture has
+/// bound-override knobs, so a nonsense axis name (`nope`) is genuinely unknown — it names
+/// neither a re-openable bound param nor an already-open knob (#246: a bound name would
+/// re-open instead).
 #[test]
 fn aura_sweep_rejects_an_unknown_axis() {
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = Command::new(BIN)
         .args(["sweep", &fixture, "--axis", "nope=1,2", "--name", "f"])
         .output()
@@ -4127,7 +4214,7 @@ fn aura_sweep_rejects_an_unknown_axis() {
 #[test]
 fn aura_reproduce_re_derives_a_persisted_sweep_family() {
     let cwd = temp_cwd("blueprint-reproduce");
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let sweep = Command::new(BIN)
         .args([
             "sweep", &fixture,
@@ -4168,7 +4255,7 @@ fn aura_reproduce_re_derives_a_persisted_sweep_family() {
 #[test]
 fn aura_reproduce_reports_a_diverged_member_and_exits_one() {
     let cwd = temp_cwd("blueprint-reproduce-diverge");
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let sweep = Command::new(BIN)
         .args([
             "sweep", &fixture,
@@ -4207,7 +4294,7 @@ fn aura_reproduce_reports_a_diverged_member_and_exits_one() {
 #[test]
 fn aura_reproduce_re_derives_a_persisted_sweep_bit_identically() {
     let cwd = temp_cwd("reproduce_roundtrip");
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
 
     let sweep = std::process::Command::new(BIN)
         .args([
@@ -4291,7 +4378,7 @@ fn aura_mc_over_a_blueprint_reproduces_bit_identically() {
 #[test]
 fn aura_walkforward_over_a_blueprint_reproduces_bit_identically() {
     let cwd = temp_cwd("blueprint-walkforward-reproduce");
-    let bp = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let bp = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let run = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args(["walkforward", &bp, "--axis", "sma_signal.fast.length=2,3",
                "--axis", "sma_signal.slow.length=4,6", "--name", "wfr"])
@@ -4316,7 +4403,7 @@ fn aura_walkforward_over_a_blueprint_reproduces_bit_identically() {
 #[test]
 fn aura_walkforward_over_a_blueprint_persists_a_family() {
     let cwd = temp_cwd("blueprint-walkforward-persist");
-    let bp = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let bp = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args(["walkforward", &bp, "--axis", "sma_signal.fast.length=2,3",
                "--axis", "sma_signal.slow.length=4,6", "--name", "wfx"])
@@ -4337,11 +4424,11 @@ fn aura_walkforward_over_a_blueprint_persists_a_family() {
     let _ = std::fs::remove_dir_all(&cwd);
 }
 
-/// E2E (#173): an OPEN blueprint with no --axis (nothing to re-fit) is a usage
+/// E2E (#173): a CLOSED blueprint with no --axis (nothing to re-fit) is a usage
 /// error (exit 2), naming that >= 1 --axis is required.
 #[test]
 fn aura_walkforward_over_a_blueprint_rejects_no_axis() {
-    let bp = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let bp = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args(["walkforward", &bp])
         .output()
@@ -4379,7 +4466,7 @@ fn aura_walkforward_over_a_blueprint_rejects_malformed() {
 /// while leaving the malformed test green.
 #[test]
 fn aura_walkforward_over_a_blueprint_rejects_an_unknown_axis() {
-    let bp = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let bp = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args(["walkforward", &bp, "--axis", "nope=1,2"])
         .output()
@@ -4433,7 +4520,7 @@ fn aura_walkforward_emits_an_unknown_axis_rejection_once() {
 #[test]
 fn aura_mc_rejects_an_open_blueprint() {
     let cwd = temp_cwd("mc-blueprint-open-reject");
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/tests/fixtures/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
     let out = Command::new(BIN)
         .args(["mc", &fixture, "--seeds", "4"])
         .current_dir(&cwd)
@@ -4453,7 +4540,7 @@ fn aura_mc_rejects_an_open_blueprint() {
 #[test]
 fn aura_run_rejects_an_open_blueprint_without_panicking() {
     let cwd = temp_cwd("run-blueprint-open-reject");
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/tests/fixtures/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
     let out = Command::new(BIN)
         .args(["run", &fixture])
         .current_dir(&cwd)
@@ -4510,7 +4597,7 @@ fn aura_reproduce_rejects_an_unknown_family() {
 #[test]
 fn aura_reproduce_rejects_a_missing_stored_blueprint() {
     let cwd = temp_cwd("reproduce_missing_store");
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let sweep = std::process::Command::new(BIN)
         .args([
             "sweep",
@@ -4551,7 +4638,7 @@ fn aura_reproduce_rejects_a_missing_stored_blueprint() {
 /// user can discover then sweep or re-open without guessing.
 #[test]
 fn aura_sweep_list_axes_prints_prefixed_names() {
-    let bp = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let bp = format!("{}/tests/fixtures/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args(["sweep", &bp, "--list-axes"])
         .output()
@@ -4594,7 +4681,7 @@ fn aura_sweep_list_axes_closed_prints_bound_defaults() {
 /// and takes no other flags. A query cannot also seed a sweep.
 #[test]
 fn aura_sweep_list_axes_rejects_other_flags() {
-    let bp = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let bp = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args(["sweep", &bp, "--list-axes", "--axis", "sma_signal.fast.length=2,3"])
         .output()
@@ -4683,7 +4770,7 @@ fn aura_sweep_rejects_malformed_json_house_style() {
 #[test]
 fn aura_sweep_list_axes_names_round_trip_into_a_working_sweep() {
     let cwd = temp_cwd("blueprint-list-axes-roundtrip");
-    let bp = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let bp = format!("{}/tests/fixtures/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
 
     // 1) discover the axis names + kinds (do NOT hardcode them) — this is what a user
     //    reads. #246: the fixture now lists a BOUND param (`bias.scale`, F64) alongside
@@ -4943,7 +5030,7 @@ fn mc_r_bootstrap_real_e2e_pins_the_exact_current_grade() {
     const FROM_MS: &str = "1735689600000";
     const TO_MS: &str = "1767225599000";
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "mc", &fixture, "--real", "GER40",
@@ -4985,7 +5072,7 @@ fn mc_r_bootstrap_real_e2e_pins_the_exact_current_grade() {
 /// blueprint through the campaign path, not just the historical r-sma candidate
 /// — the whole point of dropping `--strategy r-sma`/`--fast`/`--slow` for a
 /// positional blueprint + generic `--axis`. Every other mc E2E test here still
-/// exercises `r_sma_open.json`; a regression that silently special-cased the
+/// exercises `r_sma.json`; a regression that silently special-cased the
 /// pipeline's axis lookup back to a hardcoded `sma_signal.*` namespace would
 /// ship green there while breaking every other blueprint. This runs the
 /// unrelated r-breakout candidate (the ganged `channel_length` axis, no
@@ -5000,7 +5087,7 @@ fn mc_dissolves_a_non_r_sma_blueprint() {
     const FROM_MS: &str = "1735689600000";
     const TO_MS: &str = "1767225599000";
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_breakout_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/tests/fixtures/r_breakout_open.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "mc", &fixture, "--real", "GER40",
@@ -5055,7 +5142,7 @@ fn mc_dissolves_through_the_campaign_path() {
     const FROM_MS: &str = "1735689600000";
     const TO_MS: &str = "1767225599000";
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "mc", &fixture, "--real", "GER40",
@@ -5158,7 +5245,7 @@ fn mc_real_fits_the_injected_roller_to_a_short_window() {
         return;
     }
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
 
     // Probe GER40's full archive window: a single-cell, no-window sweep records
     // `campaign_window_ms(full_window)` into its generated campaign document, in the
@@ -5251,7 +5338,7 @@ fn mc_real_fits_the_injected_roller_to_a_short_window() {
 #[test]
 fn mc_dissolved_refuses_a_multi_value_stop() {
     let cwd = temp_cwd("mc-multi-stop");
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "mc", &fixture, "--real", "GER40",
@@ -5276,7 +5363,7 @@ fn mc_dissolved_refuses_a_multi_value_stop() {
 #[test]
 fn mc_dissolved_refuses_an_unknown_axis_name() {
     let cwd = temp_cwd("mc-unknown-axis");
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "mc", &fixture, "--real", "GER40",
@@ -5318,7 +5405,7 @@ fn mc_dissolved_seed_changes_the_bootstrap_draw_not_the_pooled_series() {
     const FROM_MS: &str = "1735689600000";
     const TO_MS: &str = "1767225599000";
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let run = |seed: &str| {
         std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
             .args([
@@ -5381,7 +5468,7 @@ fn walkforward_campaign_runs_an_arbitrary_blueprint() {
     const FROM_MS: &str = "1735689600000";
     const TO_MS: &str = "1767225599000";
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_breakout_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/tests/fixtures/r_breakout_open.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "walkforward", &fixture, "--real", "GER40",
@@ -5432,7 +5519,7 @@ fn mc_campaign_runs_an_arbitrary_blueprint() {
     const FROM_MS: &str = "1735689600000";
     const TO_MS: &str = "1767225599000";
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_breakout_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/tests/fixtures/r_breakout_open.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "mc", &fixture, "--real", "GER40",
@@ -5481,7 +5568,7 @@ fn generalize_campaign_runs_an_arbitrary_blueprint() {
         return;
     }
     let (cwd, _g) = fresh_project();
-    let fixture = format!("{}/examples/r_meanrev_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/tests/fixtures/r_meanrev_open.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "generalize", &fixture, "--real", "GER40,USDJPY",
@@ -5519,7 +5606,7 @@ fn generalize_campaign_runs_an_arbitrary_blueprint() {
 #[test]
 fn walkforward_campaign_refuses_missing_axis() {
     let cwd = temp_cwd("walkforward-campaign-no-axis");
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args(["walkforward", &fixture, "--real", "GER40", "--stop-length", "14", "--stop-k", "2.0"])
         .current_dir(&cwd)
@@ -5535,7 +5622,7 @@ fn walkforward_campaign_refuses_missing_axis() {
 #[test]
 fn mc_campaign_refuses_seeds_with_real() {
     let cwd = temp_cwd("mc-campaign-seeds-mix");
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "mc", &fixture, "--real", "GER40", "--seeds", "3",
@@ -5556,7 +5643,7 @@ fn mc_campaign_refuses_seeds_with_real() {
 #[test]
 fn walkforward_campaign_refuses_a_raw_form_axis_name() {
     let cwd = temp_cwd("walkforward-campaign-raw-axis");
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "walkforward", &fixture, "--real", "GER40",
@@ -5577,7 +5664,7 @@ fn walkforward_campaign_refuses_a_raw_form_axis_name() {
 #[test]
 fn mc_campaign_refuses_an_unknown_axis() {
     let cwd = temp_cwd("mc-campaign-unknown-axis");
-    let fixture = format!("{}/examples/r_breakout_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_breakout.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "mc", &fixture, "--real", "GER40",
@@ -5605,7 +5692,7 @@ fn mc_campaign_refuses_an_unknown_axis() {
 #[test]
 fn mc_campaign_refuses_missing_axis() {
     let cwd = temp_cwd("mc-campaign-no-axis");
-    let fixture = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let fixture = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = std::process::Command::new(env!("CARGO_BIN_EXE_aura"))
         .args(["mc", &fixture, "--real", "GER40", "--stop-length", "14", "--stop-k", "2.0"])
         .current_dir(&cwd)
diff --git a/crates/aura-cli/tests/project_load.rs b/crates/aura-cli/tests/project_load.rs
index 92acc5b..b08013b 100644
--- a/crates/aura-cli/tests/project_load.rs
+++ b/crates/aura-cli/tests/project_load.rs
@@ -103,12 +103,12 @@ fn project_registry_anchors_at_discovered_root_not_invocation_cwd() {
     let sub = dir.join("src");
     let runs_dir = dir.join("runs");
     std::fs::remove_dir_all(&runs_dir).ok();
-    let open_bp =
-        format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let closed_bp =
+        format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let out = Command::new(env!("CARGO_BIN_EXE_aura"))
         .args([
             "sweep",
-            &open_bp,
+            &closed_bp,
             "--axis",
             "sma_signal.fast.length=2,4",
             "--axis",
diff --git a/crates/aura-cli/tests/research_docs.rs b/crates/aura-cli/tests/research_docs.rs
index 3d32c4c..5fd5c9a 100644
--- a/crates/aura-cli/tests/research_docs.rs
+++ b/crates/aura-cli/tests/research_docs.rs
@@ -315,15 +315,16 @@ fn campaign_validate_in_project_reports_referential_tier_end_to_end() {
         ScratchPath::File(dir.join("ref-bad.campaign.json")),
     ]);
 
-    // Seed one real, content-addressed, open-param blueprint into the
-    // project's own store via a real sweep (mirrors `project_load.rs`'s
-    // anchor test).
-    let open_bp = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    // 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",
-            &open_bp,
+            &closed_bp,
             "--axis",
             "sma_signal.fast.length=2,4",
             "--axis",
@@ -956,15 +957,16 @@ fn campaign_register_refuses_invalid_cost_section_and_writes_nothing() {
     );
 }
 
-/// Seed one open-param blueprint into the built demo project's store via a
-/// real sweep and return its content id (the referential test's recipe).
+/// 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 open_bp = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
+    let closed_bp = format!("{}/examples/r_sma.json", env!("CARGO_MANIFEST_DIR"));
     let (out, code) = run_code_in(
         dir,
         &[
             "sweep",
-            &open_bp,
+            &closed_bp,
             "--axis",
             "sma_signal.fast.length=2,4",
             "--axis",
@@ -3208,8 +3210,8 @@ fn campaign_run_accepts_a_graph_register_seeded_strategy() {
         ScratchPath::File(dir.join("onramp.process.json")),
         ScratchPath::File(dir.join("onramp.campaign.json")),
     ]);
-    let open_bp = format!("{}/examples/r_sma_open.json", env!("CARGO_MANIFEST_DIR"));
-    let (reg_out, reg_code) = run_code_in(dir, &["graph", "register", &open_bp]);
+    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()
diff --git a/docs/design/INDEX.md b/docs/design/INDEX.md
index dd890f4..082d371 100644
--- a/docs/design/INDEX.md
+++ b/docs/design/INDEX.md
@@ -1032,7 +1032,8 @@ SQN comparability. Each swept member's manifest records the fixed R-defining par
 beside the floated knobs (reproducible from its own manifest, C18).
 [HISTORY — the built-in `--strategy` sweep surface was retired with the demos →
 blueprint-data (#159, cuts 1b-4); the rankable R sweep now runs as `aura sweep
-<blueprint.json> --axis …` over examples/r_sma_open.json.]
+<blueprint.json> --axis …` over r_sma_open.json (an example then; relocated to
+`crates/aura-cli/tests/fixtures/` by #248).]
 
 **Realization (cycle 0067, #130 + #135).** **#130 (SQN100):** `RMetrics` gains
 `sqn_normalized = (mean_R/stdev_R)·√(min(n, 100))` — the n-normalized "SQN score"