chore: update Satoshi mediator

[Bushstar]

• Resolves: Satoshi mediator replace feeMin/feeInc with estimateSmartFee RPC and run RBF on block height #985
• Fix DB race condition between export and import loop by introducing updateDb
• Updates bitcoin-core to 5.0.0
• Add guards to prevent a new loop while the last one is still running.
• Use smart fees for min fee
• Store the entire RBF chain back to the origin transaction
• Check if any in the RBF chain has been mined

[Copilot]

Pull Request Overview

This PR updates the Satoshi mediator with significant improvements to database operations, fee management, and RBF (Replace-By-Fee) handling. It introduces smart fee estimation, fixes race conditions in database operations, and updates the bitcoin-core library to version 5.0.0.

Key changes include:

• Replaces fixed minimum fees with smart fee estimation and RBF chain management
• Introduces atomic database operations via updateDb to prevent race conditions
• Updates bitcoin-core to 5.0.0 and modernizes transaction creation logic

Reviewed Changes

Copilot reviewed 22 out of 26 changed files in this pull request and generated 9 comments.

Show a summary per file

File	Description
tests/cli-tests/generate_test_env.sh	Updates environment variable names for fee configuration
services/mediators/satoshi/package.json	Updates bitcoin-core dependency to version 5.0.0
services/mediators/satoshi/src/config.ts	Replaces fee min/increment with block target/fallback and RBF settings
services/mediators/satoshi/src/types.ts	Adds updateDb interface and changes pending structure to support RBF chains
services/mediators/satoshi/src/satoshi-mediator.ts	Major refactor with smart fees, RBF chain handling, and atomic DB operations
services/mediators/satoshi/src/db/*	Adds AbstractDB base class with updateDb implementation for all DB adapters
Configuration files	Updates environment variable mappings across docker-compose and documentation

Files not reviewed (1)

• services/mediators/satoshi/package-lock.json: Language not supported

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