[APPLICATION][GATEWAY] 0 Balance Appstake causes entire Gateway to Fail #477
Description
Objective
Ensure that the gateway can still operate and pass an error when any singular appstake fails
Origin Document
On 2025-10-19 the Grove Gateway went offline for several hours due to two appstakes running out of staked balance.
Goals
- Ensure the PATH binary does not fail when an appstake has 0 balance
- Return meaningful logs instead that provide the user with instructions on how to remedy.
Deliverables
- Bug Fix
- Error state and Error message
Non-goals / Non-deliverables
- Automation of staking balances or appstakes management
General deliverables
- Comments: Add/update TODOs and comments alongside the source code so it is easier to follow.
- Testing: Add new tests (unit and/or E2E) to the test suite.
- Makefile: Add new targets to the Makefile to make the new functionality easier to use.
- Documentation: Update architectural or development READMEs; use mermaid diagrams where appropriate.
Creator: @fredteumer