[Feature] Implement Interdimensional Synergy System (Card Combos)

[MrJacob12]

To increase player engagement and add strategic depth to the core gameplay loop, I propose the implementation of a Synergy System. Currently, the income calculation is a simple linear sum of cards in the active slots. This feature will introduce multiplicative bonuses based on specific card combinations (Tags/Attributes).

The current "Gacha -> Equip -> Wait" loop lacks decision-making. Players always choose the card with the highest base income, making 90% of the collection obsolete.