limit max number of users

bincio/serve/init_cmd.py

@@ -17,13 +17,14 @@ console = Console()
 @click.option("--password", required=True, hide_input=True, confirmation_prompt=True, help="Admin password")
 @click.option("--display-name", default="", help="Admin display name (defaults to handle)")
 @click.option("--name", default="", help="Instance name shown in the feed")
-def init(data_dir: str, handle: str, password: str, display_name: str, name: str) -> None:
+@click.option("--max-users", default=0, type=int, help="Maximum number of users allowed (0 = unlimited)")
+def init(data_dir: str, handle: str, password: str, display_name: str, name: str, max_users: int) -> None:
     """Bootstrap a fresh bincio multi-user instance.
 
     Creates the SQLite database, the admin user, the per-user data directory,
     and prints a first invite code. Safe to re-run — skips steps already done.
     """
-    from bincio.serve.db import create_invite, create_user, get_user, open_db
+    from bincio.serve.db import create_invite, create_user, get_user, open_db, set_setting
 
     dd = Path(data_dir).expanduser().resolve()
     dd.mkdir(parents=True, exist_ok=True)
@@ -67,6 +68,13 @@ def init(data_dir: str, handle: str, password: str, display_name: str, name: str
     else:
         console.print("  [yellow]·[/yellow] root index.json already exists — skipping")
 
+    # ── User limit ────────────────────────────────────────────────────────────
+    if max_users > 0:
+        set_setting(db, "max_users", str(max_users))
+        console.print(f"  [green]✓[/green] user limit set to {max_users}")
+    else:
+        console.print("  [dim]·[/dim] no user limit (unlimited)")
+
     # ── First invite code ─────────────────────────────────────────────────────
     code = create_invite(db, handle)