diff --git a/crates/aura-cli/src/main.rs b/crates/aura-cli/src/main.rs
index 50d0d68..fc1abce 100644
--- a/crates/aura-cli/src/main.rs
+++ b/crates/aura-cli/src/main.rs
@@ -1153,20 +1153,20 @@ fn version_string() -> &'static str {
 const CONCEPTS_HELP: &str = "\
 Author, backtest, and validate trading strategies — research CLI.
 
-Two layers, one vocabulary: the research verbs are the convenience surface —
-over --real data, sweep, walkforward, mc, and generalize desugar to
-registered process/campaign documents and execute them (run is their
-single-backtest sibling; synthetic runs execute in-process). That document
-data plane is directly authorable: `aura process` / `aura campaign`
-(validate | introspect | register | run), growing a document from a bare {}
-via `introspect --unwired`.
+Two layers, one vocabulary: `aura exec` is the one executor over both document classes
+— a registered campaign (file or content id) or a signal blueprint (single
+run; synthetic runs execute in-process). That document data plane is
+directly authorable: `aura process` / `aura campaign` (validate | introspect
+| register), growing a document from a bare {} via `introspect --unwired`;
+axis discovery is `aura graph introspect --params`.
 
 Execution model: a strategy emits a bias in [-1,+1] per cycle, held as the
 continuously-tracked target position; a protective stop defines the risk unit
 R, and signal quality is measured in R.
 
-Traces: `sweep --real --trace` / `walkforward --real --trace` record per-cycle
-taps under runs/, consumed by `aura chart` and `aura measure`.";
+Traces: `exec <blueprint.json> --tap NAME=FOLD` (or a campaign document's
+`presentation.persist_taps`) record per-cycle taps under runs/, consumed by
+`aura chart` and `aura measure`.";
 
 #[derive(Parser)]
 #[command(
diff --git a/crates/aura-cli/src/scaffold.rs b/crates/aura-cli/src/scaffold.rs
index b892ab4..fdbb690 100644
--- a/crates/aura-cli/src/scaffold.rs
+++ b/crates/aura-cli/src/scaffold.rs
@@ -231,12 +231,13 @@ const CLAUDE_MD_PROJECT: &str = r#"# __NAME__ — an aura research project (data
 This directory is an aura project: blueprints + research documents over the
 std vocabulary, anchored by `Aura.toml`. There is no crate and no build step.
 
-- Run:   `aura run blueprints/signal.json` (the starter is closed — all
-  params bound; bound values are defaults — any `--axis` may override them
-  (#246))
-- Sweep: `aura sweep blueprints/signal.json --axis fast.length=2,4,8`
-  (`aura sweep <bp> --list-axes` lists the open + bound-overridable axes, RAW
-  `<node>.<param>` names — #328)
+- Run: `aura exec blueprints/signal.json` (single smoke run, synthetic stream
+  — the starter is closed; all params bound; bound values are defaults —
+  `--override NODE.PARAM=VALUE` may override one for this run (#246))
+- Campaign: `aura exec <campaign.json>` executes a registered campaign
+  document (file or content id) — the multi-cell/axis surface
+- Axes: `aura graph introspect --params blueprints/signal.json` lists the
+  open + bound-overridable axes, RAW `<node>.<param>` names (#328)
 - Native nodes: when the project needs its first project-specific node,
   `aura nodes new <name>` scaffolds a node crate beside this project and
   attaches it via `[nodes]` in `Aura.toml` (build it with `cargo build`).
@@ -459,12 +460,12 @@ mod tests {
         }
         let claude = render_project(CLAUDE_MD_PROJECT, "demo-lab");
         assert!(claude.contains("demo-lab"));
-        // The CLAUDE.md sweep quickstart targets the closed starter itself
-        // with the RAW axis name (#246: a bound param is a default an axis
-        // overrides; #328: the axis namespace is raw, no blueprint-name
-        // prefix).
+        // The CLAUDE.md quickstart targets the closed starter itself through
+        // the surviving surface (#319): exec for both document classes, the
+        // #246 override residue, and raw-namespace axis discovery (#328).
         assert!(claude.contains("blueprints/signal.json"));
-        assert!(claude.contains("--axis fast.length"));
+        assert!(claude.contains("--override NODE.PARAM=VALUE"));
+        assert!(claude.contains("graph introspect --params"));
     }
 
     /// #315: the scaffolded project CLAUDE.md teaches the execution semantics
diff --git a/crates/aura-cli/tests/cli_broken_pipe.rs b/crates/aura-cli/tests/cli_broken_pipe.rs
index cbdd9c4..8a4ecdc 100644
--- a/crates/aura-cli/tests/cli_broken_pipe.rs
+++ b/crates/aura-cli/tests/cli_broken_pipe.rs
@@ -5,47 +5,146 @@
 //! handled cleanly, never a panic.
 
 use std::io::Read;
+use std::path::Path;
 use std::process::{Command, Stdio};
 
+mod common;
+use common::{fresh_project_with_data, ScratchGuard, ScratchPath};
+
 /// Path to the freshly-built `aura` binary (Cargo sets this env var for the test
 /// crate; the binary is named `aura` in `Cargo.toml`).
 const BIN: &str = env!("CARGO_BIN_EXE_aura");
 
-/// A fresh, unique working directory so the spawned `aura sweep` writes its
-/// `./runs/runs.jsonl` into a throwaway dir, never dirtying the repo. Unique
-/// per test + per process; no external tempfile dependency (mirrors `cli_run.rs`).
-fn temp_cwd(name: &str) -> std::path::PathBuf {
-    let dir = std::path::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 = Command::new(BIN).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 write_doc(dir: &Path, name: &str, text: &str) -> std::path::PathBuf {
+    let p = dir.join(name);
+    std::fs::write(&p, text).expect("write doc");
+    p
+}
+
+/// The minimal executable pipeline (one sweep stage) — copied verbatim from
+/// `research_docs.rs`'s constant of the same name.
+const SWEEP_ONLY_PROCESS_DOC: &str = r#"{
+  "format_version": 1,
+  "kind": "process",
+  "name": "sweep-only",
+  "pipeline": [ { "block": "std::sweep", "metric": "sqn_normalized", "select": "argmax" } ]
+}"#;
+
+/// 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 — copied verbatim from `research_docs.rs`'s recipe of the
+/// same name.
+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",
+            "fast.length=2,4",
+            "--axis",
+            "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 — copied verbatim from `research_docs.rs`'s recipe of the same name.
+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 one-strategy, two-axis (2×2) campaign document over `bp_id`/`proc_id` —
+/// copied verbatim from `exec.rs`'s `campaign_doc_json_for` of the same
+/// shape, which yields exactly four family members (the four-line stream
+/// this test's property needs).
+fn campaign_doc_json_for(instrument: &str, bp_id: &str, proc_id: &str, window: (i64, i64)) -> String {
+    format!(
+        r#"{{
+  "format_version": 1,
+  "kind": "campaign",
+  "name": "broken-pipe",
+  "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": [], "emit": ["family_table"] }}
+}}"#,
+        from = window.0,
+        to = window.1,
+    )
 }
 
 /// Property: a family-emitting command whose stdout reader closes early exits on
 /// the EPIPE cleanly — it does NOT panic (`failed printing to stdout: Broken
-/// pipe`) and does NOT exit 101. `aura sweep` streams four family-member JSON
-/// lines via `println!`; when the reader closes stdout after the first line, the
-/// next write hits a closed pipe. Rust's runtime sets SIGPIPE to SIG_IGN at
-/// startup, so that write returns EPIPE and `println!` panics rather than the
-/// process terminating quietly — exactly the behaviour a CLI must not have. This
-/// is the contract: any aura subcommand can be piped into `| head` / `| less` /
+/// pipe`) and does NOT exit 101. `aura exec <campaign.json>` streams four
+/// family-member JSON lines via `println!` (a 2×2 axis grid — #319: the
+/// surviving surface for what a bare `aura sweep` demo grid used to stream);
+/// when the reader closes stdout after the first line, the next write hits a
+/// closed pipe. Rust's runtime sets SIGPIPE to SIG_IGN at startup, so that
+/// write returns EPIPE and `println!` panics rather than the process
+/// terminating quietly — exactly the behaviour a CLI must not have. This is
+/// the contract: any aura subcommand can be piped into `| head` / `| less` /
 /// a UI pane that goes away, and it must finish quietly, not panic.
-///
-/// Autonomous: constructs its own early-closing reader inline (no `head`, no
-/// shell, no fixture files) by spawning the binary with a piped stdout and
-/// dropping the read handle after a single short read, which closes the pipe's
-/// read end and makes the writer's next write hit EPIPE.
 #[test]
 fn family_emitting_command_survives_early_reader_close() {
-    let cwd = temp_cwd("broken-pipe-sweep");
+    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),
+        ScratchPath::File(dir.join("broken-pipe.process.json")),
+        ScratchPath::File(dir.join("broken-pipe.campaign.json")),
+    ]);
+    let bp_id = seed_blueprint(&dir, "broken-pipe-seed");
+    let proc_id = register_process_doc(&dir, "broken-pipe.process.json", SWEEP_ONLY_PROCESS_DOC);
+    let doc = campaign_doc_json_for("SYMA", &bp_id, &proc_id, (1709251200000, 1719791999999));
+    write_doc(&dir, "broken-pipe.campaign.json", &doc);
 
     let mut child = Command::new(BIN)
-        .arg("sweep")
-        .current_dir(&cwd)
+        .args(["exec", "broken-pipe.campaign.json"])
+        .current_dir(&dir)
         .stdout(Stdio::piped())
         .stderr(Stdio::piped())
         .spawn()
-        .expect("spawn aura sweep");
+        .expect("spawn aura exec");
 
     // Read just enough to guarantee the writer is mid-stream, then drop the read
     // handle. Dropping it closes the read end of the pipe; the next `println!`
@@ -63,9 +162,7 @@ fn family_emitting_command_survives_early_reader_close() {
     if let Some(mut err) = child.stderr.take() {
         let _ = err.read_to_string(&mut stderr);
     }
-    let status = child.wait().expect("reap aura sweep");
-
-    let _ = std::fs::remove_dir_all(&cwd);
+    let status = child.wait().expect("reap aura exec");
 
     // The defect: stderr carries the broken-pipe panic.
     assert!(
diff --git a/crates/aura-cli/tests/common/mod.rs b/crates/aura-cli/tests/common/mod.rs
index 8b3697b..fb17e43 100644
--- a/crates/aura-cli/tests/common/mod.rs
+++ b/crates/aura-cli/tests/common/mod.rs
@@ -1,7 +1,9 @@
 //! Shared fixture helpers for the `aura-cli` end-to-end test binaries
-//! (`research_docs.rs`, `cli_run.rs`, `project_load.rs`), all of which build
-//! and drive the `tests/fixtures/demo-project` fixture through the real
-//! `aura` binary (#223).
+//! (`research_docs.rs`, `cli_run.rs`, `project_load.rs`, `exec.rs`, and —
+//! for [`synthetic_data`] alone — `project_new.rs`, `cli_broken_pipe.rs`,
+//! `graph_construct.rs`), all of which build and drive the
+//! `tests/fixtures/demo-project` fixture through the real `aura` binary
+//! (#223).
 //!
 //! **Per-test project directories, no shared store.** [`fresh_project`] mints
 //! a unique tempdir per test, wired to the shared, once-built fixture crate
@@ -9,10 +11,10 @@
 //! no two tests ever race on the same `runs/` store — libtest's default
 //! thread parallelism applies without a serializing lock (#250).
 //!
-//! Each of the three test binaries compiles this file as its own `mod
-//! common`, so an item unused by one binary trips that binary's `-D
-//! warnings` `dead_code` lint; see the `#[allow(dead_code)]` markers below
-//! rather than deleting a helper just because one binary doesn't need it.
+//! Each consuming test binary compiles this file as its own `mod common`, so
+//! an item unused by one binary trips that binary's `-D warnings` `dead_code`
+//! lint; see the `#[allow(dead_code)]` markers below rather than deleting a
+//! helper just because one binary doesn't need it.
 
 use std::path::{Path, PathBuf};
 use std::sync::OnceLock;
@@ -182,7 +184,7 @@ impl Drop for ScratchGuard {
 /// the two no-window `generalize` E2E tests get a real, tiny, hostless
 /// archive instead of streaming the 6.6 GB host archive (#250).
 #[allow(dead_code)]
-mod synthetic_data {
+pub mod synthetic_data {
     use std::io::Write;
     use std::path::Path;
 
diff --git a/crates/aura-cli/tests/graph_construct.rs b/crates/aura-cli/tests/graph_construct.rs
index 7aba864..a4ed787 100644
--- a/crates/aura-cli/tests/graph_construct.rs
+++ b/crates/aura-cli/tests/graph_construct.rs
@@ -5,6 +5,9 @@
 use std::io::Write;
 use std::process::{Command, Stdio};
 
+mod common;
+use common::{fresh_project_with_data, ScratchGuard, ScratchPath};
+
 const BIN: &str = env!("CARGO_BIN_EXE_aura");
 
 /// Run `aura <args>` with `stdin_doc` piped in; return (stdout, stderr, success).
@@ -714,26 +717,25 @@ fn graph_params_lists_raw_axis_namespace() {
     );
 }
 
-/// Property (#328, cycle-close tidy fix): `graph introspect --params` and
-/// `aura sweep --list-axes` are two independently-dispatched discovery
-/// surfaces over the SAME raw axis namespace — the open pass shares one
-/// wrap-strip convention, the bound pass shares one `bound_param_space()` +
-/// `render_value` lexicon (`list_blueprint_axes`, main.rs; `params_lines`,
-/// this crate). Pinned here as a same-fixture LINE EQUALITY (not just two
-/// independently-asserted shapes) so the duplicated formatting cannot
-/// silently drift apart across an edit to either surface.
+/// Property (#328, #319 retirement residue): `graph introspect --params`
+/// prints the raw axis namespace — one `{name}:{kind:?}` line per open param,
+/// then each bound param with its default (`list_blueprint_axes`, main.rs;
+/// `params_lines`, this crate). This test used to also pin `aura sweep
+/// --list-axes` as a byte-identical SECOND discovery surface over the same
+/// namespace (guarding the two independently-dispatched surfaces against
+/// drift); `sweep` is retired, so only `graph introspect --params`'s own
+/// literal output survives here — see `graph_params_lists_raw_axis_namespace`
+/// above for the sibling pin over the same fixture.
 #[test]
-fn graph_params_and_sweep_list_axes_are_line_identical() {
-    let dir = temp_cwd("params-vs-list-axes");
+fn graph_params_prints_raw_axis_names() {
+    let dir = temp_cwd("params-raw-axis-names");
     let bp = fixture("r_sma_open.json");
     let (params_out, params_err, params_code) =
         run_in(&dir, &["graph", "introspect", "--params", &bp]);
     assert_eq!(params_code, Some(0), "graph introspect --params: {params_out} {params_err}");
-    let (axes_out, axes_err, axes_code) = run_in(&dir, &["sweep", &bp, "--list-axes"]);
-    assert_eq!(axes_code, Some(0), "sweep --list-axes: {axes_out} {axes_err}");
     assert_eq!(
-        params_out, axes_out,
-        "the two discovery surfaces must print byte-identical lines for the same blueprint"
+        params_out, "fast.length:I64\nslow.length:I64\nbias.scale:F64 default=0.5\n",
+        "the raw open params, then the raw bound param with its default"
     );
 }
 
@@ -1262,13 +1264,85 @@ fn open_r_breakout_fixture_lists_its_axis_namespace() {
     );
 }
 
+/// The minimal executable pipeline (one sweep stage) — copied verbatim from
+/// `research_docs.rs`'s constant of the same name.
+const SWEEP_ONLY_PROCESS_DOC: &str = r#"{
+  "format_version": 1,
+  "kind": "process",
+  "name": "sweep-only",
+  "pipeline": [ { "block": "std::sweep", "metric": "sqn_normalized", "select": "argmax" } ]
+}"#;
+
+/// Register `doc` as a process document in `dir`'s project store; returns its
+/// id — copied verbatim from `research_docs.rs`'s recipe of the same name.
+fn register_process_doc(dir: &std::path::Path, file: &str, doc: &str) -> String {
+    std::fs::write(dir.join(file), doc).expect("write process doc");
+    let (out, err, code) = run_in(dir, &["process", "register", file]);
+    assert_eq!(code, Some(0), "process register failed: {out} {err}");
+    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 one-strategy campaign document over `bp_id`/`proc_id`, with a raw
+/// `axes_json` object literal spliced in verbatim — a campaign document
+/// refuses an empty `axes` map ("axes is empty"), so a "closed" comparison
+/// cell (nothing to vary) passes a single-value axis over one of its OWN
+/// already-bound params at its own default (a no-op reopen, #246: every
+/// bound param is an equally re-openable axis). #319: campaigns are `exec`'s
+/// surviving surface for binding a genuinely OPEN param to a value —
+/// `--override` only reopens an already-BOUND one
+/// (`aura_runner::member::override_paths` skips a name already in the open
+/// space), so the gang-axis parity tests below run both the closed example
+/// and its open-plus-axis twin through this SAME campaign machinery, over
+/// the same synthetic archive window, keeping their metrics directly
+/// comparable.
+fn one_cell_campaign_doc(bp_id: &str, proc_id: &str, window: (i64, i64), axes_json: &str) -> String {
+    format!(
+        r#"{{
+  "format_version": 1,
+  "kind": "campaign",
+  "name": "gang-axis-vehicle",
+  "data": {{ "instruments": ["SYMA"], "windows": [ {{ "from_ms": {from}, "to_ms": {to} }} ] }},
+  "strategies": [ {{ "ref": {{ "content_id": "{bp_id}" }}, "axes": {{{axes_json}}} }} ],
+  "process": {{ "ref": {{ "content_id": "{proc_id}" }} }},
+  "seed": 7,
+  "presentation": {{ "persist_taps": [], "emit": ["family_table"] }}
+}}"#,
+        from = window.0,
+        to = window.1,
+    )
+}
+
+/// Execs a one-cell campaign document (written to `dir.join(file)`) and
+/// returns its single member's `report.metrics`.
+fn one_cell_campaign_metrics(dir: &std::path::Path, file: &str) -> serde_json::Value {
+    let (out, err, code) = run_in(dir, &["exec", file]);
+    assert_eq!(code, Some(0), "campaign exec failed: {out} {err}");
+    let line = out
+        .lines()
+        .find(|l| l.starts_with(r#"{"family_id":"#))
+        .unwrap_or_else(|| panic!("no member line: {out} {err}"));
+    let v: serde_json::Value = serde_json::from_str(line).expect("member line parses as JSON");
+    v["report"]["metrics"].clone()
+}
+
 /// Property (#61 + #159 cut 2): binding the shipped open example's ganged
-/// `channel_length` axis through the REAL `aura sweep` CLI pipeline (argv ->
-/// `parse_axes` -> `compile_with_cells`'s gang expansion) reproduces the exact
-/// metrics of running the shipped CLOSED example, whose `channel_hi`/
-/// `channel_lo` are separately hardwired to the same value. The equivalence
-/// between a gang and its member-bound twin is already pinned at the builder/
-/// engine level (aura-engine's `gang_e2e.rs`, and this crate's
+/// `channel_length` axis through a REAL campaign axis (#319: the surviving
+/// surface — `compile_with_cells`'s gang expansion, same as the retired
+/// `aura sweep --axis`) reproduces the exact metrics of running the shipped
+/// CLOSED example, whose `channel_hi`/`channel_lo` are separately hardwired
+/// to the same value. Both legs run as one-cell campaigns over the same
+/// synthetic archive window, so the comparison is data-source-agnostic (only
+/// the axis-vs-hardwire binding differs). The equivalence between a gang and
+/// its member-bound twin is already pinned at the builder/engine level
+/// (aura-engine's `gang_e2e.rs`, and this crate's
 /// `r_breakout_example_loaded_runs_identically_to_the_carved_signal`, which
 /// calls `run_signal_r` directly); this instead drives the actual public
 /// binary end-to-end on the actual shipped files, so a regression in the
@@ -1278,25 +1352,53 @@ fn open_r_breakout_fixture_lists_its_axis_namespace() {
 /// equivalence still holds.
 #[test]
 fn open_r_breakout_fixture_gang_axis_matches_the_closed_example() {
-    let closed_dir = temp_cwd("r-breakout-gang-axis-closed");
-    let (closed_stdout, closed_stderr, closed_code) = run_in(&closed_dir, &["exec", &example("r_breakout.json")]);
-    assert_eq!(closed_code, Some(0), "closed run stderr: {closed_stderr}");
-    let closed: serde_json::Value =
-        serde_json::from_str(closed_stdout.trim()).expect("closed run report parses as JSON");
+    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),
+        ScratchPath::File(dir.join("breakout-gang.process.json")),
+        ScratchPath::File(dir.join("breakout-gang-closed.campaign.json")),
+        ScratchPath::File(dir.join("breakout-gang-open.campaign.json")),
+    ]);
 
-    let sweep_dir = temp_cwd("r-breakout-gang-axis-sweep");
-    let (sweep_stdout, sweep_stderr, sweep_code) = run_in(
-        &sweep_dir,
-        &["sweep", &fixture("r_breakout_open.json"), "--axis", "channel_length=3"],
-    );
-    assert_eq!(sweep_code, Some(0), "sweep stderr: {sweep_stderr}");
-    let lines: Vec<&str> = sweep_stdout.lines().collect();
-    assert_eq!(lines.len(), 1, "one grid point for a single-value axis: {sweep_stdout}");
-    let member: serde_json::Value = serde_json::from_str(lines[0]).expect("member line parses as JSON");
+    let (reg_closed_out, reg_closed_err, reg_closed_code) =
+        run_in(&dir, &["graph", "register", &example("r_breakout.json")]);
+    assert_eq!(reg_closed_code, Some(0), "register closed: {reg_closed_out} {reg_closed_err}");
+    let closed_id = registered_id(&reg_closed_out);
 
+    let (reg_open_out, reg_open_err, reg_open_code) =
+        run_in(&dir, &["graph", "register", &fixture("r_breakout_open.json")]);
+    assert_eq!(reg_open_code, Some(0), "register open: {reg_open_out} {reg_open_err}");
+    let open_id = registered_id(&reg_open_out);
+
+    let proc_id = register_process_doc(&dir, "breakout-gang.process.json", SWEEP_ONLY_PROCESS_DOC);
+
+    // The shared SYMA window used throughout the suite's campaign vehicles
+    // (inside `fresh_project_with_data`'s Jan-Aug 2024 synthetic archive).
+    let window = (1709251200000, 1719791999999);
+    std::fs::write(
+        dir.join("breakout-gang-closed.campaign.json"),
+        // No-op axis: `delay.lag` reopened at its own bound default (1).
+        one_cell_campaign_doc(&closed_id, &proc_id, window, r#""delay.lag": { "kind": "I64", "values": [1] }"#),
+    )
+    .expect("write closed campaign doc");
+    std::fs::write(
+        dir.join("breakout-gang-open.campaign.json"),
+        one_cell_campaign_doc(
+            &open_id,
+            &proc_id,
+            window,
+            r#""channel_length": { "kind": "I64", "values": [3] }"#,
+        ),
+    )
+    .expect("write open campaign doc");
+
+    let closed_metrics = one_cell_campaign_metrics(&dir, "breakout-gang-closed.campaign.json");
+    let open_metrics = one_cell_campaign_metrics(&dir, "breakout-gang-open.campaign.json");
     assert_eq!(
-        member["report"]["metrics"], closed["metrics"],
-        "channel_length=3, bound via the real sweep CLI, must fan out to both channel_hi \
+        open_metrics, closed_metrics,
+        "channel_length=3, bound via the campaign axis, must fan out to both channel_hi \
          and channel_lo identically to the closed example's hardwired channel=3"
     );
 }
@@ -1330,39 +1432,69 @@ fn open_r_meanrev_fixture_lists_its_axis_namespace() {
     );
 }
 
-/// Property (#61 + #159 cut 3): a sweep over TWO axes at once — the ganged
-/// `window` knob (fusing `mean_window.length`/`var_window.length`) alongside
-/// the independent, un-ganged `band.factor` knob — binds both correctly
-/// through the real CLI grid, matching the shipped closed example's hardwired
-/// window=3/band=2.0. This is a distinct risk from the r_breakout gang test
-/// (a lone gang axis): a mis-scoped gang-expansion map that shifts sibling
-/// param positions could silently mis-bind the co-present un-ganged axis
-/// instead (or vice-versa) even though each axis alone still resolves.
+/// Property (#61 + #159 cut 3): a campaign over TWO axes at once (#319: the
+/// surviving surface for what `aura sweep --axis` used to do inline) — the
+/// ganged `window` knob (fusing `mean_window.length`/`var_window.length`)
+/// alongside the independent, un-ganged `band.factor` knob — binds both
+/// correctly through the real CLI grid, matching the shipped closed
+/// example's hardwired window=3/band=2.0. This is a distinct risk from the
+/// r_breakout gang test (a lone gang axis): a mis-scoped gang-expansion map
+/// that shifts sibling param positions could silently mis-bind the
+/// co-present un-ganged axis instead (or vice-versa) even though each axis
+/// alone still resolves. Both legs run as one-cell campaigns over the same
+/// synthetic archive window, so the comparison is data-source-agnostic.
 #[test]
 fn open_r_meanrev_fixture_gang_plus_plain_axis_matches_the_closed_example() {
-    let closed_dir = temp_cwd("r-meanrev-gang-axis-closed");
-    let (closed_stdout, closed_stderr, closed_code) = run_in(&closed_dir, &["exec", &example("r_meanrev.json")]);
-    assert_eq!(closed_code, Some(0), "closed run stderr: {closed_stderr}");
-    let closed: serde_json::Value =
-        serde_json::from_str(closed_stdout.trim()).expect("closed run report parses as JSON");
+    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),
+        ScratchPath::File(dir.join("meanrev-gang.process.json")),
+        ScratchPath::File(dir.join("meanrev-gang-closed.campaign.json")),
+        ScratchPath::File(dir.join("meanrev-gang-open.campaign.json")),
+    ]);
 
-    let sweep_dir = temp_cwd("r-meanrev-gang-axis-sweep");
-    let (sweep_stdout, sweep_stderr, sweep_code) = run_in(
-        &sweep_dir,
-        &[
-            "sweep", &fixture("r_meanrev_open.json"),
-            "--axis", "window=3",
-            "--axis", "band.factor=2.0",
-        ],
-    );
-    assert_eq!(sweep_code, Some(0), "sweep stderr: {sweep_stderr}");
-    let lines: Vec<&str> = sweep_stdout.lines().collect();
-    assert_eq!(lines.len(), 1, "one grid point for two single-value axes: {sweep_stdout}");
-    let member: serde_json::Value = serde_json::from_str(lines[0]).expect("member line parses as JSON");
+    let (reg_closed_out, reg_closed_err, reg_closed_code) =
+        run_in(&dir, &["graph", "register", &example("r_meanrev.json")]);
+    assert_eq!(reg_closed_code, Some(0), "register closed: {reg_closed_out} {reg_closed_err}");
+    let closed_id = registered_id(&reg_closed_out);
 
+    let (reg_open_out, reg_open_err, reg_open_code) =
+        run_in(&dir, &["graph", "register", &fixture("r_meanrev_open.json")]);
+    assert_eq!(reg_open_code, Some(0), "register open: {reg_open_out} {reg_open_err}");
+    let open_id = registered_id(&reg_open_out);
+
+    let proc_id = register_process_doc(&dir, "meanrev-gang.process.json", SWEEP_ONLY_PROCESS_DOC);
+
+    let window = (1709251200000, 1719791999999);
+    std::fs::write(
+        dir.join("meanrev-gang-closed.campaign.json"),
+        // No-op axis: `mean_window.length` reopened at its own bound default (3).
+        one_cell_campaign_doc(
+            &closed_id,
+            &proc_id,
+            window,
+            r#""mean_window.length": { "kind": "I64", "values": [3] }"#,
+        ),
+    )
+    .expect("write closed campaign doc");
+    std::fs::write(
+        dir.join("meanrev-gang-open.campaign.json"),
+        one_cell_campaign_doc(
+            &open_id,
+            &proc_id,
+            window,
+            r#""window": { "kind": "I64", "values": [3] }, "band.factor": { "kind": "F64", "values": [2.0] }"#,
+        ),
+    )
+    .expect("write open campaign doc");
+
+    let closed_metrics = one_cell_campaign_metrics(&dir, "meanrev-gang-closed.campaign.json");
+    let open_metrics = one_cell_campaign_metrics(&dir, "meanrev-gang-open.campaign.json");
     assert_eq!(
-        member["report"]["metrics"], closed["metrics"],
-        "window=3 (ganged) + band.factor=2.0 (plain), bound via the real sweep CLI, must \
+        open_metrics, closed_metrics,
+        "window=3 (ganged) + band.factor=2.0 (plain), bound via the campaign axes, must \
          match the closed example's hardwired window=3/band=2.0"
     );
 }
@@ -2076,10 +2208,10 @@ fn graph_build_use_docless_source_refuses_with_the_c29_shape_exit_1() {
 
 /// The worked acceptance flow's last leg (spec §Concrete code shapes): a
 /// pattern registered with an open param splices under an instance, and
-/// `aura sweep --list-axes` on the CONSUMER shows the path-qualified bare
-/// (unbound) axis `graph.<instance>.<node>.<param>:<kind>` — the existing
-/// nested-composite param-prefix discipline, reached through `use` this
-/// time, not a Rust-authored nested composite.
+/// `aura graph introspect --params` on the CONSUMER shows the path-qualified
+/// bare (unbound) axis `graph.<instance>.<node>.<param>:<kind>` — the
+/// existing nested-composite param-prefix discipline, reached through `use`
+/// this time, not a Rust-authored nested composite.
 #[test]
 fn graph_build_use_end_to_end_axes() {
     let dir = temp_cwd("use-end-to-end-axes");
@@ -2114,8 +2246,8 @@ fn graph_build_use_end_to_end_axes() {
     std::fs::write(&consumer_bp, &build.stdout).expect("write consumer envelope");
 
     let (axes_out, axes_err, axes_code) =
-        run_in(&dir, &["sweep", consumer_bp.to_str().unwrap(), "--list-axes"]);
-    assert_eq!(axes_code, Some(0), "list-axes: {axes_out} {axes_err}");
+        run_in(&dir, &["graph", "introspect", "--params", consumer_bp.to_str().unwrap()]);
+    assert_eq!(axes_code, Some(0), "graph introspect --params: {axes_out} {axes_err}");
     assert_eq!(
         axes_out, "trend.sma.length:I64\n",
         "the spliced instance's open param surfaces path-qualified, bare (unbound) RAW form (#328)"
diff --git a/crates/aura-cli/tests/help_self_description.rs b/crates/aura-cli/tests/help_self_description.rs
index 72ab508..c213a70 100644
--- a/crates/aura-cli/tests/help_self_description.rs
+++ b/crates/aura-cli/tests/help_self_description.rs
@@ -1,7 +1,7 @@
-//! End-to-end pins for the self-description surfaces (#315, #323): the help
-//! opens with the two-layer concept, the sugar verbs name the document shape
-//! they desugar to, every introspection roster carries per-entry meanings,
-//! and `graph build --help` carries the op-list reference. Driven over the
+//! End-to-end pins for the self-description surfaces (#315, #323, #319): the
+//! help opens with the two-layer concept, `exec` names both document classes
+//! it executes, every introspection roster carries per-entry meanings, and
+//! `graph build --help` carries the op-list reference. Driven over the
 //! built binary — the zero-setup surface a reader without repo access gets.
 
 use std::process::Command;
@@ -26,7 +26,10 @@ fn run(args: &[&str]) -> (String, String, bool) {
 fn top_level_help_opens_with_the_two_layer_concept() {
     let (out, err, ok) = run(&["--help"]);
     assert!(ok, "aura --help failed: {err}");
-    assert!(out.contains("research verbs"), "names the sugar layer: {out}");
+    assert!(
+        out.contains("the one executor over both document classes"),
+        "names exec + the document classes: {out}"
+    );
     assert!(out.contains("directly authorable"), "names the document data plane: {out}");
     assert!(out.contains("bias in [-1,+1]"), "names the bias output: {out}");
     assert!(out.contains("defines the risk unit"), "names the protective stop / R: {out}");
@@ -34,26 +37,16 @@ fn top_level_help_opens_with_the_two_layer_concept() {
     assert!(out.contains("aura chart"), "names the trace consumers: {out}");
 }
 
-/// #315: each document-bridged sugar verb's long help names the process
-/// shape it desugars to and points at the document layer. `run` (not
-/// document-bridged) points at the canonical document-first form instead.
+/// #319: `exec --help` names both document classes it accepts — the sugar
+/// verbs' retirement leaves `exec` as the one executor over a campaign
+/// document (file or content id) or a signal blueprint (single run).
 #[test]
-fn sugar_verbs_name_their_document_shape() {
-    for (verb, needle) in [
-        ("sweep", "std::sweep"),
-        ("walkforward", "std::walk_forward"),
-        ("mc", "std::monte_carlo"),
-        ("generalize", "std::generalize"),
-    ] {
-        let (out, err, ok) = run(&[verb, "--help"]);
-        assert!(ok, "aura {verb} --help failed: {err}");
-        assert!(out.contains("Sugar"), "{verb} --help names the sugar relation: {out}");
-        assert!(out.contains(needle), "{verb} --help names {needle}: {out}");
-        assert!(out.contains("aura campaign"), "{verb} --help points at the documents: {out}");
-    }
-    let (out, err, ok) = run(&["run", "--help"]);
-    assert!(ok, "aura run --help failed: {err}");
-    assert!(out.contains("document-first"), "run --help names the canonical form: {out}");
+fn exec_help_names_both_document_classes() {
+    let (out, err, ok) = run(&["exec", "--help"]);
+    assert!(ok, "aura exec --help failed: {err}");
+    assert!(out.contains("campaign"), "names the campaign document class: {out}");
+    assert!(out.contains("blueprint"), "names the blueprint document class: {out}");
+    assert!(out.contains("single run"), "names the blueprint leg's single-run shape: {out}");
 }
 
 /// #323: `graph build --help` carries the op-list reference — the op kinds
diff --git a/crates/aura-cli/tests/project_new.rs b/crates/aura-cli/tests/project_new.rs
index 66f89e5..c813ad4 100644
--- a/crates/aura-cli/tests/project_new.rs
+++ b/crates/aura-cli/tests/project_new.rs
@@ -1,11 +1,12 @@
 //! E2E: the `aura new` scaffolder (#241 T4). Proves the data-only authoring
-//! loop — scaffold → `aura run`/`aura sweep`, zero Rust toolchain interaction
-//! — plus the refusal contract. Scaffolded projects live in per-test temp
-//! dirs.
+//! loop — scaffold → `aura exec`, zero Rust toolchain interaction — plus the
+//! refusal contract. Scaffolded projects live in per-test temp dirs.
 
 use std::path::{Path, PathBuf};
 use std::process::{Command, Output};
 
+mod common;
+
 fn aura(args: &[&str], cwd: &Path) -> Output {
     Command::new(env!("CARGO_BIN_EXE_aura"))
         .args(args)
@@ -61,17 +62,17 @@ fn init_and_commit(dir: &Path) {
 ///
 /// Documented deviation from the task text: the plan's wording asks this
 /// headline to also assert that the run "writes a manifest under `x/runs/`".
-/// Verified against `dispatch_run`/`run_signal_r` (main.rs, around the
-/// `tx_req`/`rx_req` channel comment): plain `aura run` never touches the
-/// trace store — it only prints the `RunReport` to stdout; only
-/// `sweep`/`mc`/campaign verbs persist (`env.trace_store()`), a pre-#241
-/// split this task's file list does not touch (giving `run` a store write
-/// would widen scope beyond `scaffold.rs`/`main.rs`'s `NewCmd`/`dispatch_new`
-/// and this test file). There is thus no on-disk manifest for THIS verb to
-/// assert against; the assertion below proves that absence directly instead
-/// of only asserting it in prose, and the persisted-store property the plan
-/// wanted is covered by `data_only_project_sweeps_without_any_build` below,
-/// which does assert `proj.join("runs").exists()`.
+/// Verified against `dispatch_exec`/`exec_blueprint_leg`/`run_signal_r`
+/// (main.rs): a single-blueprint `aura exec` never touches the trace store —
+/// it only prints the `RunReport` to stdout; only exec's campaign leg
+/// persists (`env.trace_store()`), a pre-#241 split this task's file list
+/// does not touch (giving the blueprint leg a store write would widen scope
+/// beyond `scaffold.rs`/`main.rs`'s `NewCmd`/`dispatch_new` and this test
+/// file). There is thus no on-disk manifest for THIS leg to assert against;
+/// the assertion below proves that absence directly instead of only
+/// asserting it in prose, and the persisted-store property the plan wanted
+/// is covered by `data_only_project_execs_a_campaign_without_any_build`
+/// below, which does assert `proj.join("runs").exists()`.
 #[test]
 fn new_scaffolds_and_runs_the_data_only_loop() {
     let base = tmp("loop");
@@ -102,13 +103,13 @@ fn new_scaffolds_and_runs_the_data_only_loop() {
     assert!(!proj.join("Cargo.toml").exists(), "data-only project must have no Cargo.toml");
     assert!(!proj.join("src/lib.rs").exists(), "data-only project must have no src/lib.rs");
 
-    let a = aura(&["run", "blueprints/signal.json"], &proj);
+    let a = aura(&["exec", "blueprints/signal.json"], &proj);
     assert!(
         a.status.success(),
-        "run failed: {}",
+        "exec failed: {}",
         String::from_utf8_lossy(&a.stderr)
     );
-    let b = aura(&["run", "blueprints/signal.json"], &proj);
+    let b = aura(&["exec", "blueprints/signal.json"], &proj);
     assert_eq!(a.stdout, b.stdout, "two runs must be byte-identical (C1)");
     let v: serde_json::Value = serde_json::from_slice(&a.stdout).expect("report is JSON");
     let p = &v["manifest"]["project"];
@@ -116,50 +117,140 @@ fn new_scaffolds_and_runs_the_data_only_loop() {
     assert!(p.get("namespace").is_none(), "no crate was loaded, namespace must be absent: {p}");
     assert!(
         !proj.join("runs").exists(),
-        "plain `aura run` must not persist a trace store (only sweep/mc/campaign do) — \
-         the task text's \"writes a manifest under x/runs/\" does not hold for this verb"
+        "a plain single-blueprint `aura exec` must not persist a trace store (only exec's \
+         campaign leg does) — the task text's \"writes a manifest under x/runs/\" does not \
+         hold for this leg"
     );
     let _ = std::fs::remove_dir_all(&base);
 }
 
-/// #241 headline: a fresh data-only project sweeps a dissolved verb (#218's
-/// gate) with zero build step — using the scaffolded (closed) starter
-/// blueprint and the exact axis the scaffolded CLAUDE.md advertises.
+/// The minimal executable pipeline (one sweep stage) — copied verbatim from
+/// `research_docs.rs`'s constant of the same name.
+const SWEEP_ONLY_PROCESS_DOC: &str = r#"{
+  "format_version": 1,
+  "kind": "process",
+  "name": "sweep-only",
+  "pipeline": [ { "block": "std::sweep", "metric": "sqn_normalized", "select": "argmax" } ]
+}"#;
+
+/// Writes a tiny, self-contained January-2024 `SYMA` archive into
+/// `<proj>/data` and points the scaffolded `Aura.toml`'s `[paths]` table at
+/// it. #319: `exec`'s campaign leg (the surviving surface for what `aura
+/// sweep --axis` used to do inline) needs a registered instrument, unlike a
+/// plain blueprint run — this keeps the scaffolder's "zero host setup"
+/// headline intact (no real archive mount) by minting the archive straight
+/// into the scaffold instead.
+fn seed_synthetic_archive(proj: &Path) {
+    let data_dir = proj.join("data");
+    std::fs::create_dir_all(&data_dir).expect("create synthetic archive dir");
+    common::synthetic_data::write_symbol_archive(&data_dir, "SYMA", (2024, 1), (2024, 1));
+    let toml_path = proj.join("Aura.toml");
+    let toml = std::fs::read_to_string(&toml_path).expect("read scaffolded Aura.toml");
+    let toml = toml.replacen("runs = \"runs\"\n", "runs = \"runs\"\ndata = \"data\"\n", 1);
+    std::fs::write(&toml_path, toml).expect("point Aura.toml at the synthetic archive");
+}
+
+/// The id extracted from a `registered <kind> <id> (<path>)` line (#194: bare
+/// id, no `content:` prefix — tolerant of the pre-#194 prefix all the same).
+fn registered_id(stdout: &str, kind: &str) -> String {
+    let needle = format!("registered {kind} ");
+    stdout
+        .lines()
+        .find(|l| l.starts_with(&needle))
+        .unwrap_or_else(|| panic!("no \"{needle}\" line: {stdout}"))
+        .trim_start_matches(&needle)
+        .split(' ')
+        .next()
+        .expect("id")
+        .trim_start_matches("content:")
+        .to_string()
+}
+
+/// A one-strategy, one-axis campaign document over `bp_id`/`proc_id` — the
+/// surviving surface for what `aura sweep --axis` used to do inline over the
+/// scaffolded starter's bound `fast.length` (#246: a bound param is a default
+/// an axis overrides). Windowed fully inside `seed_synthetic_archive`'s
+/// January-2024 `SYMA` archive.
+fn one_axis_campaign_doc(bp_id: &str, proc_id: &str, axis_name: &str, axis_values: &str) -> String {
+    format!(
+        r#"{{
+  "format_version": 1,
+  "kind": "campaign",
+  "name": "quickstart",
+  "data": {{ "instruments": ["SYMA"], "windows": [ {{ "from_ms": 1704067200000, "to_ms": 1706745599999 }} ] }},
+  "strategies": [ {{ "ref": {{ "content_id": "{bp_id}" }},
+                    "axes": {{ "{axis_name}": {{ "kind": "I64", "values": [{axis_values}] }} }} }} ],
+  "process": {{ "ref": {{ "content_id": "{proc_id}" }} }},
+  "seed": 1,
+  "presentation": {{ "persist_taps": [], "emit": ["family_table"] }}
+}}"#
+    )
+}
+
+/// #241 headline: a fresh data-only project executes a small campaign — #319's
+/// surviving surface for the retired `aura sweep` — with zero build step,
+/// using the scaffolded (closed) starter blueprint and the exact axis the
+/// scaffolded CLAUDE.md advertises. Registering the blueprint straight (`aura
+/// graph register`, not a sweep side-effect) and seeding a tiny synthetic
+/// archive (`seed_synthetic_archive`) keeps the loop free of any host data
+/// mount, matching the pre-retirement headline.
 ///
-/// #246: the closed starter IS the sweep target — a bound param is a default
-/// an axis overrides.
+/// #246: the closed starter IS the campaign axis target — a bound param is a
+/// default an axis overrides.
 #[test]
-fn data_only_project_sweeps_without_any_build() {
+fn data_only_project_execs_a_campaign_without_any_build() {
     let base = tmp("sweep");
     let new = aura(&["new", "scratch"], &base);
     assert!(new.status.success(), "{}", String::from_utf8_lossy(&new.stderr));
     let proj = base.join("scratch");
-    let out = aura(
-        &["sweep", "blueprints/signal.json", "--axis", "fast.length=2,4"],
-        &proj,
-    );
+    seed_synthetic_archive(&proj);
+
+    let reg = aura(&["graph", "register", "blueprints/signal.json"], &proj);
+    assert!(reg.status.success(), "graph register stderr: {}", String::from_utf8_lossy(&reg.stderr));
+    let bp_id = registered_id(&String::from_utf8_lossy(&reg.stdout), "blueprint");
+
+    std::fs::write(proj.join("quickstart.process.json"), SWEEP_ONLY_PROCESS_DOC)
+        .expect("write process doc");
+    let preg = aura(&["process", "register", "quickstart.process.json"], &proj);
+    assert!(preg.status.success(), "process register stderr: {}", String::from_utf8_lossy(&preg.stderr));
+    let proc_id = registered_id(&String::from_utf8_lossy(&preg.stdout), "process");
+
+    let doc = one_axis_campaign_doc(&bp_id, &proc_id, "fast.length", "2, 4");
+    std::fs::write(proj.join("quickstart.campaign.json"), &doc).expect("write campaign doc");
+    let out = aura(&["exec", "quickstart.campaign.json"], &proj);
     assert!(out.status.success(), "stderr: {}", String::from_utf8_lossy(&out.stderr));
     assert!(proj.join("runs").exists(), "store must land inside the project");
     let _ = std::fs::remove_dir_all(&base);
 }
 
-/// Property (#246): the scaffold's sweep quickstart genuinely re-opens the
+/// Property (#246): the scaffold's campaign quickstart genuinely re-opens the
 /// bound `fast.length` param — the persisted family has exactly one member
 /// per axis value, not a single collapsed member. A silent regression where
 /// the bound-param override is dropped (member always built from the
 /// blueprint's own default) would still exit 0 and still create a `runs`
-/// store, so `data_only_project_sweeps_without_any_build` above cannot catch
-/// it; only the member count can.
+/// store, so `data_only_project_execs_a_campaign_without_any_build` above
+/// cannot catch it; only the member count can.
 #[test]
-fn data_only_project_sweep_over_the_starter_opens_one_member_per_axis_value() {
+fn data_only_project_campaign_over_the_starter_opens_one_member_per_axis_value() {
     let base = tmp("sweep-members");
     let new = aura(&["new", "scratch"], &base);
     assert!(new.status.success(), "{}", String::from_utf8_lossy(&new.stderr));
     let proj = base.join("scratch");
-    let out = aura(
-        &["sweep", "blueprints/signal.json", "--axis", "fast.length=2,4,8"],
-        &proj,
-    );
+    seed_synthetic_archive(&proj);
+
+    let reg = aura(&["graph", "register", "blueprints/signal.json"], &proj);
+    assert!(reg.status.success(), "graph register stderr: {}", String::from_utf8_lossy(&reg.stderr));
+    let bp_id = registered_id(&String::from_utf8_lossy(&reg.stdout), "blueprint");
+
+    std::fs::write(proj.join("members.process.json"), SWEEP_ONLY_PROCESS_DOC)
+        .expect("write process doc");
+    let preg = aura(&["process", "register", "members.process.json"], &proj);
+    assert!(preg.status.success(), "process register stderr: {}", String::from_utf8_lossy(&preg.stderr));
+    let proc_id = registered_id(&String::from_utf8_lossy(&preg.stdout), "process");
+
+    let doc = one_axis_campaign_doc(&bp_id, &proc_id, "fast.length", "2, 4, 8");
+    std::fs::write(proj.join("members.campaign.json"), &doc).expect("write campaign doc");
+    let out = aura(&["exec", "members.campaign.json"], &proj);
     assert!(out.status.success(), "stderr: {}", String::from_utf8_lossy(&out.stderr));
     let fams = aura(&["runs", "families"], &proj);
     assert!(fams.status.success(), "runs families exit: {:?}", fams.status);
@@ -301,10 +392,10 @@ fn new_outside_a_work_tree_leaves_a_resolvable_head() {
 
     // ...so the first quickstart run stamps a commit into the manifest, not
     // an empty provenance block.
-    let run = aura(&["run", "blueprints/signal.json"], &proj);
+    let run = aura(&["exec", "blueprints/signal.json"], &proj);
     assert!(
         run.status.success(),
-        "run failed: {}",
+        "exec failed: {}",
         String::from_utf8_lossy(&run.stderr)
     );
     let v: serde_json::Value = serde_json::from_slice(&run.stdout).expect("report is JSON");
diff --git a/crates/aura-cli/tests/project_sweep_campaign.rs b/crates/aura-cli/tests/project_sweep_campaign.rs
index ec83377..9c493b8 100644
--- a/crates/aura-cli/tests/project_sweep_campaign.rs
+++ b/crates/aura-cli/tests/project_sweep_campaign.rs
@@ -149,23 +149,26 @@ fn fresh_project() -> (&'static PathBuf, (RunsCleanup, MutexGuard<'static, ()>))
 }
 
 /// Acceptance box 1 (#235): a project-authored node with an OPEN param is
-/// discoverable as a sweep axis, sweeps over real data into a persisted family,
-/// and that family reproduces bit-identically — the defining research loop of a
-/// genuine external project ("sweep my OWN node's knob"), proven end to end.
+/// discoverable as an axis, execs over real data (a campaign — #319: the
+/// surviving surface for what `aura sweep --axis` used to do inline) into a
+/// persisted family, and that family reproduces bit-identically — the
+/// defining research loop of a genuine external project ("vary my OWN node's
+/// knob"), proven end to end.
 #[test]
 fn project_node_open_param_sweeps_and_reproduces() {
     let (dir, _g) = fresh_project();
 
-    // (a) `--list-axes` discovers the PROJECT node's own open knob, followed by
-    // the fixture's three BOUND params as `default=`-lines (#246: every bound
-    // param is an equally re-openable `--axis`, listed regardless of how many
-    // knobs happen to be open alongside it). NOT gated: enumerating axes needs
-    // no data, so the discoverability half runs on every host. The name is RAW
-    // `<node>.<param>` (#328: the blueprint name stays out of axis paths).
-    let axes = aura_in(dir, &["sweep", "blueprints/scaled_open.json", "--list-axes"]);
+    // (a) `graph introspect --params` discovers the PROJECT node's own open
+    // knob, followed by the fixture's three BOUND params as `default=`-lines
+    // (#246: every bound param is an equally re-openable axis, listed
+    // regardless of how many knobs happen to be open alongside it). NOT
+    // gated: enumerating axes needs no data, so the discoverability half runs
+    // on every host. The name is RAW `<node>.<param>` (#328: the blueprint
+    // name stays out of axis paths).
+    let axes = aura_in(dir, &["graph", "introspect", "--params", "blueprints/scaled_open.json"]);
     assert!(
         axes.status.success(),
-        "--list-axes stderr: {}",
+        "graph introspect --params stderr: {}",
         String::from_utf8_lossy(&axes.stderr)
     );
     assert_eq!(
@@ -179,37 +182,70 @@ fn project_node_open_param_sweeps_and_reproduces() {
         String::from_utf8_lossy(&axes.stderr)
     );
 
-    // The real-data sweep/reproduce legs are archive-gated.
+    // The real-data campaign/reproduce legs are archive-gated.
     if !local_data_present() {
         eprintln!("skip: no local data at {}", data_server::DEFAULT_DATA_PATH);
         return;
     }
 
-    // (b) sweep the project node's knob over real GER40 data -> two members.
-    let sweep = aura_in(
-        dir,
-        &[
-            "sweep",
-            "blueprints/scaled_open.json",
-            "--real",
-            "GER40",
-            "--from",
-            GER40_FROM_MS,
-            "--to",
-            GER40_TO_MS,
-            "--axis",
-            "gain.factor=0.5,1.0",
-            "--name",
-            "knob",
-        ],
+    // (b) exec a campaign over the project node's knob, real GER40 data ->
+    // two members. Register the blueprint straight (not a sweep side-effect)
+    // and a minimal sweep-only process, then reference both by content id.
+    let reg = aura_in(dir, &["graph", "register", "blueprints/scaled_open.json"]);
+    assert!(reg.status.success(), "graph register stderr: {}", String::from_utf8_lossy(&reg.stderr));
+    let reg_out = String::from_utf8_lossy(&reg.stdout).into_owned();
+    let bp_id = reg_out
+        .lines()
+        .find(|l| l.starts_with("registered blueprint "))
+        .expect("register line")
+        .trim_start_matches("registered blueprint ")
+        .split(' ')
+        .next()
+        .expect("blueprint id")
+        .to_string();
+
+    std::fs::write(dir.join("knob-reproduce.process.json"), SWEEP_ONLY_PROCESS)
+        .expect("write process doc");
+    let preg = aura_in(dir, &["process", "register", "knob-reproduce.process.json"]);
+    assert!(preg.status.success(), "process register stderr: {}", String::from_utf8_lossy(&preg.stderr));
+    let preg_out = String::from_utf8_lossy(&preg.stdout).into_owned();
+    let proc_id = preg_out
+        .lines()
+        .find(|l| l.starts_with("registered process "))
+        .expect("register line")
+        .trim_start_matches("registered process ")
+        .split(' ')
+        .next()
+        .expect("process id")
+        .to_string();
+
+    let campaign = format!(
+        r#"{{
+  "format_version": 1,
+  "kind": "campaign",
+  "name": "knob-reproduce",
+  "data": {{ "instruments": ["GER40"], "windows": [ {{ "from_ms": {from}, "to_ms": {to} }} ] }},
+  "strategies": [ {{ "ref": {{ "content_id": "{bp}" }},
+                    "axes": {{ "gain.factor": {{ "kind": "F64", "values": [0.5, 1.0] }} }} }} ],
+  "process": {{ "ref": {{ "content_id": "{proc}" }} }},
+  "seed": 7,
+  "presentation": {{ "persist_taps": [], "emit": ["family_table"] }}
+}}"#,
+        from = GER40_FROM_MS,
+        to = GER40_TO_MS,
+        bp = bp_id,
+        proc = proc_id,
     );
+    std::fs::write(dir.join("knob-reproduce.campaign.json"), &campaign).expect("write campaign doc");
+
+    let exec = aura_in(dir, &["exec", "knob-reproduce.campaign.json"]);
     assert!(
-        sweep.status.success(),
-        "sweep stderr: {}",
-        String::from_utf8_lossy(&sweep.stderr)
+        exec.status.success(),
+        "exec stderr: {}",
+        String::from_utf8_lossy(&exec.stderr)
     );
-    let stdout = String::from_utf8_lossy(&sweep.stdout).into_owned();
-    let lines: Vec<&str> = stdout.lines().collect();
+    let stdout = String::from_utf8_lossy(&exec.stdout).into_owned();
+    let lines: Vec<&str> = stdout.lines().filter(|l| l.starts_with(r#"{"family_id":"#)).collect();
     assert_eq!(lines.len(), 2, "one member line per factor point: {stdout}");
 
     // Each member's manifest carries the swept PROJECT-node param binding