Google adk support

[Avinash-Kamath]

Add Google ADK support for scalekit agent actions.
sample usage

gmail_tools =  actions.google.get_tools(
    providers = ["GMAIL"],
    identifier="default",
)

root_agent = Agent(
    name="scalekit_agent",
    model="gemini-2.0-flash",
    description=(
        "Agent to answer questions about my emails"
    ),
    instruction=(
        "You are a helpful agent who can answer user questions with the tools provided."
    ),
    tools=gmail_tools,
)

TODO:

• Add strongly typed compositions, Now There is pattern emerging post adding multiple AI frameworks

[hrishikesh-p]

@coderabbitai review

[Copilot]

Pull Request Overview

This PR adds Google ADK support for scalekit agent actions, enabling integration with Google AI Development Kit tools alongside existing LangChain support. It refactors framework dependencies to use lazy loading and introduces utilities for tool conversion.

• Adds Google ADK framework integration with ScalekitGoogleAdkTool wrapper class
• Refactors framework loading to use properties with lazy initialization and better error handling
• Introduces shared utilities for tool metadata extraction and MCP tool conversion

Reviewed Changes

Copilot reviewed 9 out of 10 changed files in this pull request and generated 6 comments.

Show a summary per file

File	Description
scalekit/actions/actions.py	Converts framework initialization to lazy-loaded properties with import error handling
scalekit/actions/frameworks/google_adk.py	New Google ADK integration class for converting Scalekit tools to Google ADK format
scalekit/actions/frameworks/types/google_adk_tool.py	ScalekitGoogleAdkTool wrapper class inheriting from Google ADK McpTool
scalekit/actions/frameworks/util.py	Shared utilities for tool conversion and metadata extraction
scalekit/actions/frameworks/langchain.py	Refactored to use shared utility functions
setup.py	Updated dependencies to support MCP and relaxed pydantic version constraint
tests/test_actions.py	Added tests for both Google ADK and LangChain tool generation, removed validation test

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[Copilot]

Remove debug print statement. This should not be present in production test code.

Suggested change

print(tools)

[Copilot]

Remove debug print statement. This should not be present in production test code.

Suggested change

print(tools)

[Copilot]

Remove extra space before version constraint. Should be 'mcp>=1.15.0'.

[Copilot]

Add spaces after commas in variable assignment. Should be 'McpTool, AuthCredential, ToolContext = _import_google_adk()'.

[Copilot]

Remove excessive blank lines. Multiple consecutive empty lines reduce code readability.

Suggested change

[Copilot]

Remove extra space before 'build_mcp_tool_from_spec'. Should have single space after 'import'.