Fix/tool func types

[kamil-keycard]

Support both sync and async tool calls.

[github-actions]

📦 Release Preview

This analysis shows the expected release impact:

📈 Expected Version Changes

keycardai-mcp: 0.4.0 → 0.4.1 (PATCH)

📋 Package Details

[
  {
    "package_name": "keycardai-mcp",
    "package_dir": "packages/mcp",
    "has_changes": true,
    "current_version": "0.4.0",
    "next_version": "0.4.1",
    "increment": "PATCH"
  }
]

📝 Changelog Preview

Changelog for keycardai:
## Unreleased

## 0.2.0-keycardai (2025-09-10)

## 0.1.0-keycardai (2025-09-07)


- feat(keycardai): initial release
Changelog for keycardai-mcp-fastmcp:
## Unreleased

## 0.3.0-keycardai-mcp-fastmcp (2025-09-15)


- feat(keycardai-mcp-fastmcp): unify client arguments

## 0.2.0-keycardai-mcp-fastmcp (2025-09-10)


- fix(keycardai-mcp-fastmcp): pin fastmcp for compatibiity
- feat(keycardai-mcp-fastmcp): allowed to override the client

## 0.1.0-keycardai-mcp-fastmcp (2025-09-07)
Changelog for keycardai-mcp:
## Unreleased


- fix(keycardai-mcp): support both sync and async tool calls

## 0.4.0-keycardai-mcp (2025-09-18)


- feat(keycardai-mcp): default domain handling

## 0.3.1-keycardai-mcp (2025-09-17)


- fix(keycardai-mcp): check audience when configured

## 0.3.0-keycardai-mcp (2025-09-16)


- feat(keycardai-mcp): multi-zone mcp routing
- feat(keycardai-mcp): advanced server handlers
- feat(keycardai-mcp): auth provider implementation

## 0.1.0-keycardai-mcp (2025-09-10)
Changelog for keycardai-oauth:
## Unreleased

## 0.4.1-keycardai-oauth (2025-09-17)


- fix(keycardai-oauth): audience checks

## 0.4.0-keycardai-oauth (2025-09-16)


- feat(keycardai-oauth): multi-zone authentication strategy
- feat(keycardai-oauth): jwt capabilities

## 0.2.0-keycardai-oauth (2025-09-10)


- feat(keycardai-oauth): remove the impersonation logic

## 0.1.0-keycardai-oauth (2025-09-07)


- feat(keycardai-oauth): initial release

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