Sortable Bullish/Bearish Signal Dates on Rating Page

This feature would introduce sortable bullish and bearish data signals for each token on the rating page to improve user experience. This enhancement would allow users to filter tokens by their most recent bullish or bearish signal dates, making identifying new opportunities in tokens showing recent positive trends easier.

Problem Statement:
Currently, tokens are sorted by TM grades, often highlighting tokens that have already experienced substantial price increases. For users seeking early investment opportunities, it’s challenging to identify tokens that have just turned bullish and have not yet seen significant price movements. Presently, users need to manually check each token to find recent signal changes, which is time-consuming.

Proposed Solution:
Add a feature that displays and allows sorting by the most recent bullish or bearish signal dates for each token. This would enable users to:

1. Identify tokens that have recently shown a bullish signal before significant price rises.

2. Capture early-stage movements across a broader range of tokens.

3. Improve navigation efficiency, reducing time spent manually checking each token's current signal status.

Acceptance Criteria:

1. Display the date of the last bullish/bearish signal for each token on the Ratings page.

2. Enable sorting by bullish/bearish signal date to allow users to view tokens with the most recent signals at the top.

3. Ensure smooth integration with existing data and TM grade sorting functionalities.