feat(ticket): add claim, add member, persistent management view

- ClaimButton: staff claim/unclaim with log
- AddMemberButton: UserSelect to add member to ticket channel
- TicketManagementView: persistent LayoutView with all 3 buttons
- claimed_by field in TicketData
- Buttons registered as persistent views for bot restart survival

tickets/ui.py

@@ -185,7 +185,13 @@ class TicketModal(discord.ui.Modal, title="Nouveau Ticket"):
             )
         )
         container.add_item(discord.ui.Separator())
-        container.add_item(discord.ui.ActionRow(CloseButton()))
+        container.add_item(
+            discord.ui.ActionRow(
+                ClaimButton(),
+                AddMemberButton(),
+                CloseButton(),
+            )
+        )
         view = discord.ui.LayoutView()
         view.add_item(container)
 
@@ -208,6 +214,122 @@ class TicketModal(discord.ui.Modal, title="Nouveau Ticket"):
         await _send_log(guild, config, embed)
 
 
+class ClaimButton(discord.ui.Button):
+    def __init__(self):
+        super().__init__(
+            label="Claim",
+            style=discord.ButtonStyle.success,
+            custom_id="ticket_claim",
+            emoji="Claim",
+        )
+
+    async def callback(self, interaction: discord.Interaction):
+        config = storage.get_config(interaction.guild_id)
+        ticket = storage.get_ticket(interaction.channel.id)
+        if not ticket:
+            await interaction.response.send_message("Ce n'est pas un ticket.", ephemeral=True)
+            return
+
+        member = interaction.guild.get_member(interaction.user.id)
+        if not member or not _is_staff(member, config):
+            await interaction.response.send_message("Seul le staff peut claim un ticket.", ephemeral=True)
+            return
+
+        if ticket.claimed_by:
+            if ticket.claimed_by == interaction.user.id:
+                ticket.claimed_by = None
+                storage.save_ticket(ticket)
+                await interaction.response.send_message(
+                    f"{interaction.user.mention} a retire son claim.", ephemeral=True
+                )
+            else:
+                await interaction.response.send_message(
+                    f"Ce ticket est deja claim par <@{ticket.claimed_by}>.", ephemeral=True
+                )
+            return
+
+        ticket.claimed_by = interaction.user.id
+        storage.save_ticket(ticket)
+
+        embed = discord.Embed(
+            title="Ticket claim",
+            description=f"Claim par {interaction.user.mention}",
+            color=discord.Color.green(),
+            timestamp=datetime.now(timezone.utc),
+        )
+        await _send_log(interaction.guild, config, embed)
+
+        container = discord.ui.Container()
+        container.add_item(discord.ui.TextDisplay(f"## Ticket claim\nClaim par {interaction.user.mention}"))
+        view = discord.ui.LayoutView()
+        view.add_item(container)
+        await interaction.response.send_message(view=view)
+
+
+class AddMemberButton(discord.ui.Button):
+    def __init__(self):
+        super().__init__(
+            label="Ajouter un membre",
+            style=discord.ButtonStyle.secondary,
+            custom_id="ticket_add_member",
+            emoji="Ajouter",
+        )
+
+    async def callback(self, interaction: discord.Interaction):
+        config = storage.get_config(interaction.guild_id)
+        ticket = storage.get_ticket(interaction.channel.id)
+        if not ticket:
+            await interaction.response.send_message("Ce n'est pas un ticket.", ephemeral=True)
+            return
+
+        member = interaction.guild.get_member(interaction.user.id)
+        if not member or not _is_staff(member, config):
+            await interaction.response.send_message("Seul le staff peut ajouter des membres.", ephemeral=True)
+            return
+
+        await interaction.response.send_message(
+            "Selectionnez le membre a ajouter :",
+            view=AddMemberSelectView(),
+            ephemeral=True,
+        )
+
+
+class AddMemberSelect(discord.ui.UserSelect):
+    def __init__(self):
+        super().__init__(
+            placeholder="Selectionnez un membre...",
+            custom_id="ticket_add_member_select",
+            min_values=1,
+            max_values=1,
+        )
+
+    async def callback(self, interaction: discord.Interaction):
+        user = self.values[0]
+        await interaction.channel.set_permissions(
+            user,
+            view_channel=True,
+            send_messages=True,
+            read_message_history=True,
+        )
+        await interaction.response.edit_message(
+            content=f"{user.mention} a ete ajoute au ticket.",
+            view=None,
+        )
+        embed = discord.Embed(
+            title="Membre ajoute",
+            description=f"{user.mention} a ete ajoute par {interaction.user.mention}",
+            color=discord.Color.blue(),
+            timestamp=datetime.now(timezone.utc),
+        )
+        await _send_log(interaction.guild, storage.get_config(interaction.guild_id), embed)
+
+
+class AddMemberSelectView(discord.ui.View):
+    def __init__(self):
+        super().__init__(timeout=300)
+        self.add_item(AddMemberSelect())
+
+
 class CloseButton(discord.ui.Button):
     def __init__(self):
         super().__init__(