Improve Error Messages for Order Limits

[Sharqiewicz]

As a DeFi trader using the EURC order interface,
I want clear, friendly error messages that guide me positively without harsh language like "MUST",
so that I understand the issue quickly and know exactly how to fix it (e.g., "Minimum sell amount is 25.00 EUR. Please enter a higher amount.").

Acceptance Criteria

• Scan all existing error messages in the EURC (and similar) order flows for unfriendly phrasing (e.g., "MUST", overly rigid tones).
• Rewrite them to be positive, directing, and actionable - using AI tools like Gemini for suggestions.

Examples

Current Message	Improved Message
“EUR orders must be between 25.00 and 10000.00”	“Minimum sell amount is 25.00 EUR. Please enter a higher amount”

• Test with users for clarity and positivity (e.g., A/B testing).
• Implement across frontend with internationalization support.
• No functionality changes - just UX messaging.

[Sharqiewicz]

For low liquidity we show an incorrect error message: Failed to calculate quote. Please try a different amount