Generate prototypes based on WIP spec with pending decisions

[olaservo]

Context

Generate prototypes based on WIP spec with pending decisions.

Note: main purpose is to help with firming up specs, so the code itself may be replaced after spec refinement.

Original spec PR: #945

Implementation PRs (Stacked)

PR	Branch	Description	Status
#1023	v2/core/inspector-core	Core package (reusable MCP logic, no React)	Draft
#1022	v2/ui/mantine	Full Mantine UI with MCP SDK integration	Draft
(pending)	v2/ui/features	Client features UX (inline queue, testing profiles)	Waiting on #1011

Related

• spec: Add client features UX patterns (sampling/elicitation) #1011 - Client features UX spec (inline queue, tree view, testing profiles)
• Inspector V2 Data Spec #983 - Data spec discussion (storage implementation)
• Evaluate SDK middleware for history/tracing #1024 - Evaluate SDK middleware for history/tracing

Merge Order

1. spec: Add client features UX patterns (sampling/elicitation) #1011 (spec) - Client features UX patterns
2. feat(core): add @modelcontextprotocol/inspector-core package #1023 (core) - Inspector core package
3. feat(client): add Mantine UI with MCP SDK integration #1022 (UI) - Mantine UI
4. Client features PR (implements spec: Add client features UX patterns (sampling/elicitation) #1011 patterns)