WeKnora deployment source with the reviewed wiki identity, summary and recovery fixes

internal/im/cmd_clear.go

@@ -0,0 +1,22 @@
+package im
+
+import "context"
+
+// ClearCommand implements /clear.
+// It soft-deletes the current ChannelSession and clears the LLM context so
+// the next message starts a completely fresh conversation.
+type ClearCommand struct{}
+
+func newClearCommand() *ClearCommand { return &ClearCommand{} }
+
+func (c *ClearCommand) Name() string { return "clear" }
+func (c *ClearCommand) Description() string {
+	return "清空对话记忆，下次消息将开始全新会话"
+}
+
+func (c *ClearCommand) Execute(_ context.Context, _ *CommandContext, _ []string) (*CommandResult, error) {
+	return &CommandResult{
+		Content: "✅ 对话已清空，下次消息将开始全新会话。",
+		Action:  ActionClear,
+	}, nil
+}