fix(cli): filter outage schedule by selected bill

README.md

@@ -215,7 +215,7 @@ minute interval with `-i`/`--interval`:
 ./main.sh --interval 5
 ```
 
-Select one bill for the large countdown with `-b`/`--bill-id`:
+Select one bill for the countdown and outage schedule with `-b`/`--bill-id`:
 
 ```sh
 ./main.sh --bill-id 7356609804429
@@ -223,10 +223,10 @@ Select one bill for the large countdown with `-b`/`--bill-id`:
 
 The dashboard uses Tehran time to show a large `HH : mm : ss` countdown for the
 selected bill's ongoing or nearest upcoming outage. The compact schedule below
-continues to list active current and future events for every bill, including
-emergency outages. If the selected bill has no qualifying outage, the countdown
-area says so while the full schedule remains visible. Without `--bill-id`, the
-countdown retains the original behavior and selects across all bills.
+is also limited to that bill's active current and future events, including
+emergency outages. If the selected bill has no qualifying outage, the dashboard
+shows `ALL CLEAR`. Without `--bill-id`, the countdown and schedule include all
+bills.
 
 The terminal output uses English-only labels and omits the stored address and
 reason text. When there are no qualifying events for any bill it prints an `ALL