feat: full feature suite — welcome, modmail, security, staff, avis, rules, links, shop, custom

features/shared.py: per-guild JSON config store
features/welcome.py: on_member_join message + invite tracking + /invites
features/modmail.py: DM-based tickets with staff relay
features/security.py: antiraid (join rate detection), ban protection, join/leave log
features/staff.py: staff ranks, promote/demote, /staff_list
features/avis.py: /avis modal -> embed in configured channel
features/rules.py: /rules_setup with accept button + role assignment
features/links.py: /links panel, /links_setup, /links_remove
features/shop.py: /shop_announce new product embeds
features/custom.py: /botstatus, /custom_send, /embed

features/staff.py

@@ -0,0 +1,107 @@
+from __future__ import annotations
+
+import logging
+
+import discord
+from discord import app_commands
+from discord.ext import commands
+
+from features import shared
+
+logger = logging.getLogger("vision")
+
+STAFF_RANKS = ["Membre", "Trial", "Modérateur", "Super Modérateur", "Admin", "Fondateur"]
+
+
+class Staff(commands.Cog):
+    def __init__(self, bot: commands.Bot):
+        self.bot = bot
+
+    @app_commands.command(name="staff_setup", description="Configurer le système de staff")
+    @app_commands.describe(staff_role="Rôle principal du staff")
+    @app_commands.checks.has_permissions(manage_guild=True)
+    async def staff_setup(self, interaction: discord.Interaction, staff_role: discord.Role):
+        cfg = shared.get(interaction.guild_id, "staff")
+        cfg["enabled"] = True
+        cfg["staff_role_id"] = staff_role.id
+        cfg["ranks"] = {
+            "Membre": None,
+            "Trial": None,
+            "Modérateur": None,
+            "Super Modérateur": None,
+            "Admin": None,
+            "Fondateur": None,
+        }
+        shared.set(interaction.guild_id, "staff", cfg)
+        await interaction.response.send_message(
+            f"Système de staff configuré. Rôle principal : {staff_role.mention}", ephemeral=True
+        )
+
+    @app_commands.command(name="staff_promote", description="Promouvoir un membre du staff")
+    @app_commands.describe(member="Membre", rank="Rang")
+    @app_commands.checks.has_permissions(manage_roles=True)
+    async def staff_promote(self, interaction: discord.Interaction, member: discord.Member, rank: str):
+        cfg = shared.section(interaction.guild_id, "staff")
+        ranks = cfg.get("ranks", {})
+        if rank not in ranks:
+            await interaction.response.send_message(f"Rang inconnu. Rangs : {', '.join(STAFF_RANKS)}", ephemeral=True)
+            return
+
+        if rank not in [r for r in STAFF_RANKS]:
+            await interaction.response.send_message("Rang invalide.", ephemeral=True)
+            return
+
+        staff = cfg.get("staff", [])
+        entry = next((s for s in staff if s["user_id"] == member.id), None)
+        if entry:
+            entry["rank"] = rank
+        else:
+            staff.append({"user_id": member.id, "username": str(member), "rank": rank})
+        cfg["staff"] = staff
+        shared.set(interaction.guild_id, "staff", cfg)
+
+        await interaction.response.send_message(f"**{member}** est maintenant **{rank}**.", ephemeral=True)
+
+    @app_commands.command(name="staff_demote", description="Rétrograder un membre du staff")
+    @app_commands.describe(member="Membre")
+    @app_commands.checks.has_permissions(manage_roles=True)
+    async def staff_demote(self, interaction: discord.Interaction, member: discord.Member):
+        cfg = shared.get(interaction.guild_id, "staff")
+        staff = cfg.get("staff", [])
+        idx = next((i for i, s in enumerate(staff) if s["user_id"] == member.id), None)
+        if idx is None:
+            await interaction.response.send_message(f"**{member}** n'est pas dans le staff.", ephemeral=True)
+            return
+
+        current = staff[idx]["rank"]
+        rank_idx = STAFF_RANKS.index(current) if current in STAFF_RANKS else 0
+        new_rank = STAFF_RANKS[rank_idx - 1] if rank_idx > 0 else "Membre"
+        staff[idx]["rank"] = new_rank
+        cfg["staff"] = staff
+        shared.set(interaction.guild_id, "staff", cfg)
+        await interaction.response.send_message(f"**{member}** est maintenant **{new_rank}**.", ephemeral=True)
+
+    @app_commands.command(name="staff_list", description="Voir la liste du staff")
+    async def staff_list(self, interaction: discord.Interaction):
+        cfg = shared.section(interaction.guild_id, "staff")
+        staff = cfg.get("staff", [])
+        if not staff:
+            await interaction.response.send_message("Aucun membre du staff.", ephemeral=True)
+            return
+
+        lines = []
+        for s in sorted(
+            staff, key=lambda x: STAFF_RANKS.index(x["rank"]) if x["rank"] in STAFF_RANKS else 0, reverse=True
+        ):
+            lines.append(f"**{s['rank']}** — <@{s['user_id']}>")
+
+        embed = discord.Embed(
+            title="Équipe Staff",
+            description="\n".join(lines),
+            color=discord.Color.blurple(),
+        )
+        await interaction.response.send_message(embed=embed)
+
+
+async def setup(bot: commands.Bot):
+    await bot.add_cog(Staff(bot))