feat: queries height [WiP]

[MissingNO57]

Proposed Changes

[describe the changes here...]

Linked Issues

[if applicable, add links to issues resolved by this PR]

Types of changes

This PR introduces user-friendly support for historical (height-scoped) queries in LedgerClient by adding a height-aware client view that automatically injects the Cosmos SDK block height into gRPC query calls.

The solution works transparently for:

• Raw gRPC stub usage (e.g. client.at_height(h).bank.AllBalances(...))
• High-level Aerial query methods (e.g. client.at_height(h).query_bank_all_balances(...))

No global state is mutated, making the implementation safe for concurrent and parallel usage.

• Bug fix (non-breaking change that fixes an issue).
• New feature added (non-breaking change that adds functionality).
• Breaking change (fix or feature that would cause existing functionality to stop working as expected).
• Documentation update.
• Something else (e.g., tests, scripts, example, deployment, infrastructure).

Checklist

Put an x in the boxes that apply:

• I have read the CONTRIBUTING guide
• Checks and tests pass locally

If applicable

• I have added tests that prove my fix is effective or that my feature works
• I have checked that code coverage does not decrease
• I have added/updated the documentation

Further comments

[if this is a relatively large or complex change, kick off a discussion by explaining why you chose the solution you did, what alternatives you considered, etc...]

[github-actions]

Visit the preview URL for this PR (updated for commit 0b2c51b):

https://fetch-docs-preview--pr432-feat-queries-height-6bq7p80i.web.app

_{(expires Fri, 22 May 2026 13:50:24 GMT)}

_{🔥 via Firebase Hosting GitHub Action 🌎}

_{Sign: f2de39fd4e81249941960b74fbab0a62d90d69f8}