diff --git a/crates/mind-body/tests/persona_bin.rs b/crates/mind-body/tests/persona_bin.rs
index 6ed19a9..a7b3737 100644
--- a/crates/mind-body/tests/persona_bin.rs
+++ b/crates/mind-body/tests/persona_bin.rs
@@ -1,74 +1,85 @@
-//! The `mind-persona` binary as the unit runs it: arguments `--instance`, the rest
-//! from `persona.env` and the credential files. The control root is a constant
-//! that does not exist where this runs, so a start that is configured right ends
-//! dead at the gate (exit 0) before any transport is touched; a start configured
-//! wrong ends 2 and names the setting, never a value.
-
-use std::path::Path;
-use std::process::{Command, Output};
-
-fn run(dir: &Path, drop: &[&str], extra: &[(&str, &str)], args: &[&str]) -> Output {
-    std::fs::write(dir.join("connector-key"), "connector-secret-text\n").unwrap();
-    std::fs::write(dir.join("chat-key"), "chat-secret-text\n").unwrap();
-    let key = |name: &str| dir.join(name).to_string_lossy().into_owned();
-    let mut env = vec![
-        ("HUGINN_ENDPOINT", "rudp://127.0.0.1:9".to_string()),
-        ("STATE_DIRECTORY", dir.to_string_lossy().into_owned()),
-        ("MIND_PERSONA_ROOMS", "#swarm:chat,#ops:chat".to_string()),
-        ("MIND_PERSONA_OPERATOR", "@op:chat".to_string()),
-        ("MIND_PERSONA_MINDS", "@eureka:chat,@libby:chat".to_string()),
-        ("MIND_PERSONA_SELF_SENDER", "@eureka:chat".to_string()),
-        ("MIND_CONNECTOR_ENDPOINT", "127.0.0.1:4110".to_string()),
-        ("MIND_CONNECTOR_KEY_FILE", key("connector-key")),
-        ("MIND_CONNECTOR_MODEL", "claude-test-model".to_string()),
-        ("BIFROST_CHAT_ENDPOINT", "rudp://127.0.0.1:17884".to_string()),
-        ("BIFROST_CHAT_KEY_FILE", key("chat-key")),
-    ];
-    env.retain(|(name, _)| !drop.contains(name) && !extra.iter().any(|(set, _)| set == name));
-    env.extend(extra.iter().map(|(name, value)| (*name, (*value).to_string())));
-    Command::new(env!("CARGO_BIN_EXE_mind-persona")).args(args).env_clear().envs(env).output().unwrap()
-}
-
-/// What to drop from the environment, what to set instead, and the setting the error must name.
-type Case<'a> = (&'a [&'a str], &'a [(&'a str, &'a str)], &'a str);
-
-fn text(bytes: &[u8]) -> String {
-    String::from_utf8_lossy(bytes).into_owned()
-}
-
-#[test]
-fn a_unit_configured_from_its_environment_alone_reaches_the_gate_and_ends_dead() {
-    let dir = tempfile::tempdir().unwrap();
-    let output = run(dir.path(), &[], &[], &["--instance", "eureka"]);
-    assert_eq!(output.status.code(), Some(0), "{}", text(&output.stderr));
-    assert!(text(&output.stdout).starts_with("dead:"), "{}", text(&output.stdout));
-}
-
-#[test]
-fn a_flag_overrides_the_environment() {
-    let dir = tempfile::tempdir().unwrap();
-    // The rooms flag replaces the rooms the environment names.
-    let flagged = run(dir.path(), &[], &[], &["--instance", "eureka", "--rooms", "#swarm:chat"]);
-    assert_eq!(flagged.status.code(), Some(0), "{}", text(&flagged.stderr));
-}
-
-#[test]
-fn a_setting_that_is_missing_or_wrong_ends_two_naming_the_setting_and_no_value() {
-    let dir = tempfile::tempdir().unwrap();
-    let cases: [Case; 7] = [
-        (&["MIND_PERSONA_ROOMS"], &[], "usage"),
-        (&["MIND_PERSONA_MINDS"], &[], "usage"),
-        (&["MIND_CONNECTOR_MODEL"], &[], "MIND_CONNECTOR_MODEL"),
-        (&["MIND_CONNECTOR_KEY_FILE"], &[], "MIND_CONNECTOR_KEY_FILE"),
-        (&[], &[("MIND_CONNECTOR_ENDPOINT", "rudp://10.77.0.1:17871")], "connector endpoint"),
-        (&[], &[("BIFROST_CHAT_ENDPOINT", "127.0.0.1:17884")], "BIFROST_CHAT_ENDPOINT"),
-        (&[], &[("BIFROST_CHAT_KEY_FILE", "/nonexistent/chat-key")], "BIFROST_CHAT_KEY_FILE"),
-    ];
-    for (drop, extra, names) in cases {
-        let output = run(dir.path(), drop, extra, &["--instance", "eureka"]);
-        let stderr = text(&output.stderr);
-        assert_eq!(output.status.code(), Some(2), "{drop:?} {extra:?}: {stderr}");
-        assert!(stderr.contains(names), "{drop:?} {extra:?}: {stderr}");
-        assert!(!stderr.contains("secret-text") && !stderr.contains("10.77.0.1:17871"), "no value is echoed: {stderr}");
-    }
-}
+//! The `mind-persona` binary as the unit runs it: arguments `--instance`, the rest
+//! from `persona.env` and the credential files. The control root is a constant
+//! that does not exist where this runs, so a start that is configured right ends
+//! dead at the gate (exit 0) before any transport is touched; a start configured
+//! wrong ends 2 and names the setting, never a value.
+
+use std::path::Path;
+use std::process::{Command, Output};
+
+fn run(dir: &Path, drop: &[&str], extra: &[(&str, &str)], args: &[&str]) -> Output {
+    std::fs::write(dir.join("chat-key"), "chat-secret-text\n").unwrap();
+    let key = |name: &str| dir.join(name).to_string_lossy().into_owned();
+    let mut env = vec![
+        ("HUGINN_ENDPOINT", "rudp://127.0.0.1:9".to_string()),
+        ("STATE_DIRECTORY", dir.to_string_lossy().into_owned()),
+        ("MIND_PERSONA_ROOMS", "#swarm:chat,#ops:chat".to_string()),
+        ("MIND_PERSONA_OPERATOR", "@op:chat".to_string()),
+        ("MIND_PERSONA_MINDS", "@eureka:chat,@libby:chat".to_string()),
+        ("MIND_PERSONA_SELF_SENDER", "@eureka:chat".to_string()),
+        ("MIND_PERSONA_MODEL", "claude-test-model".to_string()),
+        ("MIND_PERSONA_RUN_CAP_S", "14400".to_string()),
+        ("RUNTIME_DIRECTORY", dir.join("runtime").to_string_lossy().into_owned()),
+        ("CLAUDE_LEASE_SOCKET", key("lease.sock")),
+        ("BIFROST_CHAT_ENDPOINT", "rudp://127.0.0.1:17884".to_string()),
+        ("BIFROST_CHAT_KEY_FILE", key("chat-key")),
+    ];
+    env.retain(|(name, _)| !drop.contains(name) && !extra.iter().any(|(set, _)| set == name));
+    env.extend(extra.iter().map(|(name, value)| (*name, (*value).to_string())));
+    Command::new(env!("CARGO_BIN_EXE_mind-persona")).args(args).env_clear().envs(env).output().unwrap()
+}
+
+/// What to drop from the environment, what to set instead, and the setting the error must name.
+type Case<'a> = (&'a [&'a str], &'a [(&'a str, &'a str)], &'a str);
+
+fn text(bytes: &[u8]) -> String {
+    String::from_utf8_lossy(bytes).into_owned()
+}
+
+#[test]
+fn a_unit_configured_from_its_environment_alone_reaches_the_gate_and_ends_dead() {
+    let dir = tempfile::tempdir().unwrap();
+    let output = run(dir.path(), &[], &[], &["--instance", "eureka"]);
+    assert_eq!(output.status.code(), Some(0), "{}", text(&output.stderr));
+    assert!(text(&output.stdout).starts_with("dead:"), "{}", text(&output.stdout));
+}
+
+#[test]
+fn a_flag_overrides_the_environment() {
+    let dir = tempfile::tempdir().unwrap();
+    // The rooms flag replaces the rooms the environment names.
+    let flagged = run(dir.path(), &[], &[], &["--instance", "eureka", "--rooms", "#swarm:chat"]);
+    assert_eq!(flagged.status.code(), Some(0), "{}", text(&flagged.stderr));
+}
+
+#[test]
+fn a_setting_that_is_missing_or_wrong_ends_two_naming_the_setting_and_no_value() {
+    let dir = tempfile::tempdir().unwrap();
+    let cases: [Case; 9] = [
+        (&["MIND_PERSONA_ROOMS"], &[], "usage"),
+        (&["MIND_PERSONA_MINDS"], &[], "usage"),
+        (&["MIND_PERSONA_MODEL"], &[], "MIND_PERSONA_MODEL"),
+        (&["MIND_PERSONA_RUN_CAP_S"], &[], "MIND_PERSONA_RUN_CAP_S"),
+        (&[], &[("MIND_PERSONA_RUN_CAP_S", "0")], "MIND_PERSONA_RUN_CAP_S"),
+        (&["RUNTIME_DIRECTORY"], &[], "RUNTIME_DIRECTORY"),
+        (&["CLAUDE_LEASE_SOCKET"], &[], "CLAUDE_LEASE_SOCKET"),
+        (&[], &[("BIFROST_CHAT_ENDPOINT", "127.0.0.1:17884")], "BIFROST_CHAT_ENDPOINT"),
+        (&[], &[("BIFROST_CHAT_KEY_FILE", "/nonexistent/chat-key")], "BIFROST_CHAT_KEY_FILE"),
+    ];
+    for (drop, extra, names) in cases {
+        let output = run(dir.path(), drop, extra, &["--instance", "eureka"]);
+        let stderr = text(&output.stderr);
+        assert_eq!(output.status.code(), Some(2), "{drop:?} {extra:?}: {stderr}");
+        assert!(stderr.contains(names), "{drop:?} {extra:?}: {stderr}");
+        assert!(!stderr.contains("secret-text") && !stderr.contains("127.0.0.1:17884") && !stderr.contains("/nonexistent/chat-key"), "no value is echoed: {stderr}");
+    }
+}
+
+#[test]
+fn the_retired_max_turns_flag_is_refused_and_its_value_is_not_echoed() {
+    let dir = tempfile::tempdir().unwrap();
+    let output = run(dir.path(), &[], &[], &["--instance", "eureka", "--max-turns", "canary-turns"]);
+    let stderr = text(&output.stderr);
+    assert_eq!(output.status.code(), Some(2), "{stderr}");
+    assert!(stderr.contains("usage") && !stderr.contains("canary-turns"), "{stderr}");
+}