feat(typescript): add tokenSafety action provider

[mehmetkr-31]

Summary

Adds a new tokenSafety action provider to AgentKit.

Motivation

AgentKit allows AI agents to trade cryptocurrency assets autonomously, but lacks built-in safety features to protect users and agents from scams, honeypots, or unsafe tokens.

This PR implements the tokenSafety action provider in the TypeScript SDK, enabling agents to query token safety scores and security warnings prior to executing trades or token swaps.

Changes

• Implements TokenSafetyActionProvider with the scan_token action.
• Connects to the public ERC Token Safety API at https://cryptogenesis.duckdns.org/token/scan to retrieve security flags, verdicts (e.g. SAFE, UNSAFE), and safety scores (0-100).
• Registers and exports the provider under src/action-providers/tokenSafety.
• Adds unit tests covering validation, API fallbacks, error handling, and mock fetch simulations.

Fixes #1091

[cb-heimdall]

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