feat: snooze supports all, tags, and optional duration

test/snooze.bats

@@ -26,3 +26,68 @@ load test_helper
   run_nag snooze
   [ "${status}" -eq 1 ]
 }
+
+@test "snooze all creates global entry" {
+  run_nag snooze all
+  [ "${status}" -eq 0 ]
+  [[ "${output}" =~ "Snoozed all." ]]
+  [ -f "${NAG_DIR}/snoozed" ]
+  grep -q "^\*$" "${NAG_DIR}/snoozed"
+}
+
+@test "snooze all with duration sets expiry" {
+  run_nag snooze all "tomorrow"
+  [ "${status}" -eq 0 ]
+  [[ "${output}" =~ "Snoozed all" ]]
+  [[ "${output}" =~ "until" ]]
+  local _line
+  _line="$(cat "${NAG_DIR}/snoozed")"
+  [[ "${_line}" == \*$'\t'* ]]
+}
+
+@test "snooze by tag creates entry in snoozed file" {
+  run_nag at "tomorrow 3pm" "work task"
+  run_nag tag 1 work
+  run_nag snooze work
+  [ "${status}" -eq 0 ]
+  [[ "${output}" =~ "Snoozed [work]" ]]
+  grep -q "^work$" "${NAG_DIR}/snoozed"
+}
+
+@test "snooze by tag requires -f" {
+  run_nag at "tomorrow 3pm" "work task"
+  run_nag tag 1 work
+  run "${_NAG}" snooze work < /dev/null
+  [ "${status}" -eq 0 ]
+  [[ "${output}" =~ "Snooze" ]]
+  [[ "${output}" =~ "-f" ]]
+}
+
+@test "snooze by tag with no matching alarms fails" {
+  run_nag at "tomorrow 3pm" "test alarm"
+  run "${_NAG}" -f snooze nonexistent
+  [ "${status}" -eq 1 ]
+}
+
+@test "snooze by ID with duration sets expiry" {
+  run_nag at "tomorrow 3pm" "take a break"
+  run_nag snooze 1 "tomorrow"
+  [ "${status}" -eq 0 ]
+  [[ "${output}" =~ "Snoozed [1]" ]]
+  [[ "${output}" =~ "until" ]]
+  local _line
+  _line="$(cat "${NAG_DIR}/snoozed")"
+  [[ "${_line}" == 1$'\t'* ]]
+}
+
+@test "snooze by tag with duration sets expiry" {
+  run_nag at "tomorrow 3pm" "work task"
+  run_nag tag 1 work
+  run_nag snooze work "tomorrow"
+  [ "${status}" -eq 0 ]
+  [[ "${output}" =~ "Snoozed [work]" ]]
+  [[ "${output}" =~ "until" ]]
+  local _line
+  _line="$(cat "${NAG_DIR}/snoozed")"
+  [[ "${_line}" == work$'\t'* ]]
+}