Adds Rollback Telemetry

[Step7750]

Adds a ping for relevant trades that have been rolled back, along with the ability to fetch trade history via the bridge.

[Copilot]

Pull Request Overview

This PR adds rollback telemetry functionality to track and report trades that have been rolled back through Steam's trade protection system. The changes enable the extension to detect rolled-back trades and send notifications to the CSFloat API.

• Adds new bridge handlers for pinging rollback trades and fetching trade history
• Updates trade history data structures to include rollback-related fields
• Implements rollback detection logic that matches Steam trade history with pending CSFloat trades

Reviewed Changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
src/lib/bridge/handlers/types.ts	Adds new request types for rollback pings and trade history fetching
src/lib/bridge/handlers/trade_history_status.ts	Extends interface with rollback and trade tracking fields
src/lib/bridge/handlers/ping_rollback_trade.ts	New handler for sending rollback notifications to CSFloat API
src/lib/bridge/handlers/handlers.ts	Registers the new bridge handlers
src/lib/bridge/handlers/fetch_trade_history.ts	New handler for fetching trade history via bridge
src/lib/alarms/trade_history.ts	Updates trade history fetching to support rollback data and parameterized limits
src/lib/alarms/rollback.ts	New module implementing rollback detection and notification logic
src/lib/alarms/csfloat_trade_pings.ts	Integrates rollback detection into the main trade monitoring flow

[GODrums]

Looks good!