[chore]: bump mcp sdk & fastify

[seanmcguire12]

what changed

bumps the following deps:

• fastify to ^5.8.5 in the server packages
• @modelcontextprotocol/sdk to ^1.29.0 in core

---

Summary by cubic

Upgraded fastify to ^5.8.5 and @modelcontextprotocol/sdk to ^1.29.0 to pick up patches and trim legacy transitive deps in server and core packages.

• Dependencies
  • Bumped fastify to ^5.8.5 in packages/server-v3 and packages/server-v4 (keeps fastify-metrics and fastify-zod-openapi in range).
  • Bumped @modelcontextprotocol/sdk to ^1.29.0 in packages/core (moves to newer AJV/cors, drops older express-based transitive deps).

^{Written for commit 948a6c4. Summary will update on new commits.}

[changeset-bot]

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Latest commit: 948a6c4

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[cubic-dev-ai]

No issues found across 4 files

Confidence score: 5/5

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Architecture diagram

sequenceDiagram
    participant Ext as External Clients
    participant F as Fastify Server
    participant FM as Fastify Metrics Plugin
    participant FZ as Fastify Zod OpenAPI
    participant Core as Core Package
    participant MCP as MCP SDK
    
    Note over Ext, MCP: Request flow through dependency chain
    
    Ext->>F: HTTP Request
    alt Server-v3 or Server-v4
        F->>F: Initialize with Fastify v5.8.5
        F->>FM: Register metrics middleware
        F->>FZ: Register OpenAPI validation
    end
    F->>Core: Process application logic
    Core->>MCP: Use Model Context Protocol SDK v1.29.0
    MCP->>MCP: Handle MCP protocol operations
    
    Note over F, Core: Fastify routes handled by Zod schemas
    
    FZ->>F: Validate request/response schemas
    F-->>Ext: HTTP Response
    
    Note over Core, MCP: MCP SDK handles AJV validation & CORS
    
    Core->>MCP: Call MCP tool or resource
    MCP-->>Core: Return protocol response
    Core-->>F: Return processed result

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