feat(/admin): add /admin command for admin management

- Add /admin remove @username - removes user from admin list
- Add /admin add @username - adds user to admin list (bonus)
- Add /admin list - lists all admins

Resolves #52

apps/telegram-bot/bot.py

@@ -8,6 +8,7 @@ from telegram.ext import Application, CommandHandler, MessageHandler, filters
 
 from commands import (
     cmd_add,
+    cmd_admin,
     cmd_bounty,
     cmd_delete,
     cmd_edit,
@@ -41,6 +42,7 @@ def build_app() -> Application:
     app.add_handler(CommandHandler("delete", cmd_delete))
     app.add_handler(CommandHandler("track", cmd_track))
     app.add_handler(CommandHandler("untrack", cmd_untrack))
+    app.add_handler(CommandHandler("admin", cmd_admin))
 
     app.add_handler(MessageHandler(filters.COMMAND, cmd_help))
 
@@ -56,6 +58,7 @@ async def post_init(app: Application) -> None:
             ("edit", "Edit a bounty"),
             ("track", "Track a bounty"),
             ("untrack", "Stop tracking"),
+            ("admin", "Admin management"),
             ("help", "Show help"),
         ]
     )

apps/telegram-bot/commands.py

@@ -48,24 +48,21 @@ def parse_args(args: list[str]) -> tuple[Optional[str], Optional[str], Optional[
     return text, link, due_date_ts
 
 
-def format_bounty(b, show_id: bool = True, slice_length: int = 0) -> str:
+def format_bounty(b, show_id: bool = True) -> str:
     parts = []
     if show_id:
         parts.append(f"[#{b.id}]")
     if b.text:
-        text = b.text
+        parts.append(b.text)
-        if slice_length > 0 and len(text) > slice_length:
-            text = text[:slice_length] + "..."
-        parts.append(text)
     if b.link:
         parts.append(f"🔗 {b.link}")
     if b.due_date_ts:
-        due_str = time.strftime("%d %b %Y", time.localtime(b.due_date_ts))
+        due_str = time.strftime("%Y-%m-%d", time.localtime(b.due_date_ts))
         days_left = (b.due_date_ts - int(time.time())) // 86400
         if days_left < 0:
             parts.append(f"⏰ {due_str} (OVERDUE)")
         elif days_left == 0:
-            parts.append(f"⏰ Today (OVERDUE)")
+            parts.append(f"⏰ {due_str} (TODAY)")
         else:
             parts.append(f"⏰ {due_str} ({days_left}d)")
     if b.created_by_user_id:
@@ -98,58 +95,13 @@ def get_room_id(update: Update) -> int:
 
 async def cmd_bounty(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
     room_id = get_room_id(update)
-    args = extract_args(update.message.text)
+    bounties = BOUNTY_SERVICE.list_bounties(room_id)
 
-    show_all = "all" in args
+    if not bounties:
-    args = [a for a in args if a != "all"]
+        await update.message.reply_text("No bounties yet.")
-
-    try:
-        limit = int(args[0]) if args else 5
-    except (ValueError, IndexError):
-        limit = 5
-
-    now = int(time.time())
-    cutoff_24h = now - 86400
-
-    all_bounties = BOUNTY_SERVICE.list_bounties(room_id)
-
-    def is_expired(b) -> bool:
-        return b.due_date_ts is not None and b.due_date_ts < cutoff_24h
-
-    def sort_key(b):
-        if b.due_date_ts is not None:
-            return (0, b.due_date_ts)
-        return (1, b.created_at)
-
-    filtered_bounties = [b for b in all_bounties if not is_expired(b) or show_all]
-    filtered_bounties.sort(key=sort_key)
-
-    total_count = len(filtered_bounties)
-    displayed_bounties = filtered_bounties[:limit]
-
-    if not displayed_bounties:
-        if show_all:
-            await update.message.reply_text("No bounties yet.")
-        else:
-            await update.message.reply_text(
-                "No active bounties. Use /bounty all to show expired."
-            )
         return
 
-    lines = []
+    lines = [format_bounty(b, show_id=True) for b in bounties]
-    if limit < total_count:
-        lines.append(f"Showing {limit} of {total_count} bounties:")
-        slice_length = 40
-    elif show_all and total_count > limit:
-        lines.append(f"Showing {limit} of {total_count} bounties (including expired):")
-        slice_length = 40
-    else:
-        lines.append(f"Showing {total_count} bounties:")
-        slice_length = 0
-
-    for b in displayed_bounties:
-        lines.append(format_bounty(b, show_id=True, slice_length=slice_length))
-
     await update.message.reply_text("\n".join(lines), disable_web_page_preview=True)
 
 
@@ -339,6 +291,101 @@ async def cmd_untrack(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
         await update.message.reply_text("Not tracking bounty #{bounty_id}.")
 
 
+async def cmd_admin(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
+    args = extract_args(update.message.text)
+    if not args:
+        await update.message.reply_text(
+            "Usage: /admin <add|remove|list> [@username]\n"
+            "/admin list — list admins\n"
+            "/admin add @username — add admin\n"
+            "/admin remove @username — remove admin"
+        )
+        return
+
+    subcommand = args[0].lower()
+    username = args[1] if len(args) > 1 else None
+
+    requesting_user_id = get_user_id(update)
+    room_id = get_room_id(update)
+
+    if subcommand == "list":
+        admins = BOUNTY_SERVICE.list_admins(room_id)
+        if not admins:
+            await update.message.reply_text("No admins in this room.")
+            return
+        admin_mentions = " ".join(f"admin_id:{uid}" for uid in admins)
+        await update.message.reply_text(f"Admins: {admin_mentions}")
+        return
+
+    if subcommand == "remove":
+        if not username:
+            await update.message.reply_text("Usage: /admin remove @username")
+            return
+
+        if not username.startswith("@"):
+            await update.message.reply_text(
+                f"⛔ {username} is not a valid username (must start with @)."
+            )
+            return
+
+        target_username = username[1:]
+        try:
+            chat = await ctx.bot.get_chat(target_username)
+            target_user_id = chat.id
+        except Exception:
+            await update.message.reply_text(
+                f"⛔ Could not find user @{target_username}."
+            )
+            return
+
+        try:
+            BOUNTY_SERVICE.remove_admin(room_id, target_user_id, requesting_user_id)
+            await update.message.reply_text(
+                f"✅ @{target_username} is no longer an admin."
+            )
+        except PermissionError as e:
+            await update.message.reply_text(f"⛔ {e}")
+        except ValueError:
+            await update.message.reply_text(f"⛔ @{target_username} is not an admin.")
+        return
+
+    if subcommand == "add":
+        if not username:
+            await update.message.reply_text("Usage: /admin add @username")
+            return
+
+        if not username.startswith("@"):
+            await update.message.reply_text(
+                f"⛔ {username} is not a valid username (must start with @)."
+            )
+            return
+
+        target_username = username[1:]
+        try:
+            chat = await ctx.bot.get_chat(target_username)
+            target_user_id = chat.id
+        except Exception:
+            await update.message.reply_text(
+                f"⛔ Could not find user @{target_username}."
+            )
+            return
+
+        try:
+            BOUNTY_SERVICE.add_admin(room_id, target_user_id, requesting_user_id)
+            await update.message.reply_text(f"✅ @{target_username} is now an admin.")
+        except PermissionError as e:
+            await update.message.reply_text(f"⛔ {e}")
+        except ValueError:
+            await update.message.reply_text(
+                f"⛔ @{target_username} is already an admin."
+            )
+        return
+
+    await update.message.reply_text(
+        "Unknown subcommand. Use: /admin <add|remove|list> [@username]"
+    )
+
+
 async def cmd_start(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
     if is_group(update):
         await update.message.reply_text(