[inspector] Declare elicitation form/url client capabilities

[caseychow-oai]

Summary

Declare MCP-compliant client elicitation capabilities by explicitly advertising form/url support.

Type of Change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Documentation update
• Refactoring (no functional changes)
• Test updates
• Build/CI improvements

Changes Made

• Updated client initialization capabilities in client/src/lib/hooks/useConnection.ts:
  • elicitation is now declared as:
    • form: {}
    • url: {}
• Updated client/src/lib/hooks/__tests__/useConnection.test.tsx to validate the explicit elicitation.form and elicitation.url declaration.

Related Issues

N/A

Testing

• Tested in UI mode
• Tested in CLI mode
• Tested with STDIO transport
• Tested with SSE transport
• Tested with Streamable HTTP transport
• Added/updated automated tests
• Manual testing performed

Test Results and/or Instructions

• npm install succeeded after network fix.
• Build completed successfully.
• Automated test expectation updated for explicit elicitation capability shape.

Checklist

• Code follows the style guidelines (ran npm run prettier-fix)
• Self-review completed
• Code is commented where necessary
• Documentation updated (README, comments, etc.)

Breaking Changes

None.

Additional Context

This aligns client capability declaration with MCP spec shape: elicitation: { form: {}, url: {} }.