1. Added buy/sell indicator points to K-line charts (enabled by default, can be toggled).
2. Optimized NPC behavior logic.
3. Optimized UI presentation and overall copywriting.
4. Adjusted order submission rules: buy prices must not exceed the current lowest unexecuted ask price, and sell prices must not be lower than the current highest unexecuted bid price.
(Old underlying asset names can be toggled in Settings)