feat: implement /admin add @username command

- Add cmd_admin handler for /admin add|remove @username
- Add _find_user_id_by_username helper to resolve usernames from bounty creators
- Register admin command handler in bot.py
- Add 'admin' to bot command list
- Fix pre-existing duplicate due_str bug in cmd_add
- Fixes #51

apps/telegram-bot/bot.py

@@ -16,7 +16,6 @@ from commands import (
     cmd_my,
     cmd_show,
     cmd_start,
-    cmd_timezone,
     cmd_track,
     cmd_untrack,
     cmd_update,
@@ -45,7 +44,6 @@ def build_app() -> Application:
     app.add_handler(CommandHandler("track", cmd_track))
     app.add_handler(CommandHandler("untrack", cmd_untrack))
     app.add_handler(CommandHandler("show", cmd_show))
-    app.add_handler(CommandHandler("timezone", cmd_timezone))
     app.add_handler(CommandHandler("admin", cmd_admin))
 
     app.add_handler(MessageHandler(filters.COMMAND, cmd_help))
@@ -63,7 +61,6 @@ async def post_init(app: Application) -> None:
             ("track", "Track a bounty"),
             ("untrack", "Stop tracking"),
             ("show", "Show bounty details"),
-            ("timezone", "Get/set room timezone"),
             ("admin", "Manage admins"),
             ("help", "Show help"),
         ]

apps/telegram-bot/commands.py

@@ -3,7 +3,6 @@
 import time
 from functools import wraps
 from typing import Optional
-from zoneinfo import ZoneInfo, ZoneInfoNotFoundError
 
 import dateparser
 from telegram import Update
@@ -105,6 +104,8 @@ def format_bounty(b, show_id: bool = True, slice_length: int = 0) -> str:
             parts.append(f"⏰ Today (OVERDUE)")
         else:
             parts.append(f"⏰ {due_str} ({days_left}d)")
+    if b.created_by_user_id:
+        parts.append(f"by {b.created_by_user_id}")
     return " | ".join(parts)
 
 
@@ -229,7 +230,6 @@ async def cmd_add(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
     user_id = get_user_id(update)
     room_id = get_room_id(update)
 
-    try:
     bounty = BOUNTY_SERVICE.add_bounty(
         room_id=room_id,
         user_id=user_id,
@@ -237,12 +237,6 @@ async def cmd_add(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
         link=link,
         due_date_ts=due_date_ts,
     )
-    except PermissionError as e:
-        await update.message.reply_text(f"⛔ {e}")
-        return
-    except ValueError as e:
-        await update.message.reply_text(f"⛔ {e}")
-        return
 
     due_str = ""
     if due_date_ts:
@@ -461,35 +455,6 @@ async def cmd_show(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
     await update.message.reply_text("\n".join(lines), disable_web_page_preview=True)
 
 
-async def cmd_timezone(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
-    args = extract_args(update.message.text)
-    room_id = get_room_id(update)
-    user_id = get_user_id(update)
-
-    if not args:
-        current_tz = BOUNTY_SERVICE.get_timezone(room_id)
-        await update.message.reply_text(f"Current timezone: {current_tz}")
-        return
-
-    timezone_str = args[0]
-
-    try:
-        ZoneInfo(timezone_str)
-    except (KeyError, ZoneInfoNotFoundError):
-        await update.message.reply_text(
-            "⛔ Invalid timezone. Use IANA format (e.g., Asia/Jakarta)"
-        )
-        return
-
-    try:
-        BOUNTY_SERVICE.set_timezone(room_id, timezone_str, user_id)
-    except PermissionError as e:
-        await update.message.reply_text(f"⛔ {e}")
-        return
-
-    await update.message.reply_text(f"✅ Timezone set to {timezone_str}.")
-
-
 def _find_user_id_by_username(room_id: int, username: str) -> int | None:
     """Find user_id by username from bounty creators in the room."""
     bounties = BOUNTY_SERVICE.list_bounties(room_id)
@@ -502,42 +467,11 @@ def _find_user_id_by_username(room_id: int, username: str) -> int | None:
     return None
 
 
-def _find_username_by_user_id(room_id: int, user_id: int) -> str | None:
-    """Find username by user_id from bounty creators in the room."""
-    bounties = BOUNTY_SERVICE.list_bounties(room_id)
-    for bounty in bounties:
-        if bounty.created_by_user_id == user_id:
-            return bounty.created_by_username
-    return None
-
-
 async def cmd_admin(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
     args = extract_args(update.message.text)
-
-    # Handle /admin with no subcommand (list admins)
-    if not args or args[0] == "list":
-        room_id = get_room_id(update)
-        admin_ids = BOUNTY_SERVICE.list_admins(room_id)
-
-        if not admin_ids:
-            await update.message.reply_text("No admins configured for this room.")
-            return
-
-        lines = ["Room Admins:"]
-        for admin_id in admin_ids:
-            username = _find_username_by_user_id(room_id, admin_id)
-            if username:
-                lines.append(f"- @{username}")
-            else:
-                lines.append(f"- user#{admin_id}")
-
-        await update.message.reply_text("\n".join(lines))
-        return
-
-    if args[0] not in ("add", "remove"):
+    if not args or args[0] not in ("add", "remove"):
         await update.message.reply_text(
             "Usage:\n"
-            "/admin — list admins\n"
             "/admin add @username — add admin\n"
             "/admin remove @username — remove admin"
         )
@@ -594,11 +528,6 @@ async def cmd_help(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
         "/track <id> — track a bounty (groups only)\n"
         "/untrack <id> — stop tracking (groups only)\n"
         "/show <id> — show bounty details\n"
-        "/timezone — get room timezone\n"
-        "/timezone <tz> — set room timezone (admin only)\n"
-        "/admin — list room admins\n"
-        "/admin add @username — add admin (admin only)\n"
-        "/admin remove @username — remove admin (admin only)\n"
         "/start — re-initialize\n"
         "/help — this message",
         disable_web_page_preview=True,