docs: M5d-2 checklist: given-test lifetimes and cron AND

session_slot and the scheduler tests held a temporary JSON Value across
statements (E0716). Cron now pins DOM and DOW as AND, which the given tests
had not. Gate counts from task 04 on move up by one.

Co-Authored-By: Grok 4.6 <noreply@x.ai>

docs/plans/M5d2/files/crates/loopd/tests/cron.rs

@@ -52,6 +52,15 @@ fn the_first_of_the_month() {
     assert!(!due("0 7 1 * *", "2026-10-02T07:00:00.000Z"));
 }
 
+#[test]
+fn day_of_month_and_day_of_week_are_both_required() {
+    // 2026-10-04 is a Sunday, not the 1st. 2026-10-01 is a Thursday.
+    assert!(!due("0 7 1 * 0", "2026-10-04T07:00:00.000Z"));
+    assert!(!due("0 7 1 * 0", "2026-10-01T07:00:00.000Z"));
+    // 2026-11-01 is a Sunday and the 1st.
+    assert!(due("0 7 1 * 0", "2026-11-01T07:00:00.000Z"));
+}
+
 #[test]
 fn four_or_six_fields_are_errors() {
     assert!(matches!(

docs/plans/M5d2/files/crates/loopd/tests/scheduler_cron.rs

@@ -64,11 +64,8 @@ fn a_due_job_starts_a_new_session_on_the_background_slot() {
     let sent = server.requests_to(CHAT);
     assert_eq!(sent.len(), 1);
     assert_eq!(sent[0].json()["id_slot"], 1);
-    let last = sent[0].json()["messages"]
-        .as_array()
-        .unwrap()
-        .last()
-        .unwrap();
+    let body = sent[0].json();
+    let last = body["messages"].as_array().unwrap().last().unwrap();
     let content = last["content"].as_str().unwrap();
     assert!(
         content.starts_with("It is 2026-10-03T07:00:00.000Z."),

docs/plans/M5d2/files/crates/loopd/tests/scheduler_heartbeat.rs

@@ -65,11 +65,8 @@ fn a_due_heartbeat_runs_on_the_background_slot_with_a_time_line() {
     let sent = server.requests_to(CHAT);
     assert_eq!(sent.len(), 1);
     assert_eq!(sent[0].json()["id_slot"], 1);
-    let last = sent[0].json()["messages"]
-        .as_array()
-        .unwrap()
-        .last()
-        .unwrap();
+    let body = sent[0].json();
+    let last = body["messages"].as_array().unwrap().last().unwrap();
     assert_eq!(last["role"], "user");
     let content = last["content"].as_str().unwrap();
     assert!(

docs/plans/M5d2/files/crates/loopd/tests/session_slot.rs

@@ -161,7 +161,7 @@ fn a_heartbeat_turn_between_two_main_turns_does_not_change_the_main_prefix() {
     assert_eq!(sent[1].json()["id_slot"], 1);
     assert_eq!(sent[2].json()["id_slot"], 0);
     let first = sent[0].json()["messages"].as_array().unwrap().clone();
-    let third = sent[2].json()["messages"].as_array().unwrap();
+    let third = sent[2].json()["messages"].as_array().unwrap().clone();
     assert!(
         third.len() > first.len(),
         "the main session's second turn is a longer prefix"