mcp_dart 2.3.0-dev.3

What's Changed

• Align MCP 2026 result identity metadata by @leehack in #312
• Prepare MCP 2026-07-28 day-0 release by @leehack in #313
• chore(deps): bump mcp in /test/interop/python by @dependabot[bot] in #316
• chore(deps): bump actions/checkout from 7.0.0 to 7.0.1 in the github-actions group by @dependabot[bot] in #314
• ci: align Node dependency updates with CI by @leehack in #320
• chore: update Jaspr example to 0.23.2 by @leehack in #321
• chore(deps-dev): bump typescript-eslint in /test/interop/ts by @dependabot[bot] in #322
• Fix interop server error disclosure by @leehack in #323
• Align tool schema contracts with MCP by @leehack in #324
• Prepare mcp_dart 2.3 for MCP 2026-07-28 day-zero release by @leehack in #325
• Remove external JSON Schema dependencies by @leehack in #326
• chore(deps): bump fast-uri from 3.1.2 to 3.1.4 in /test/interop/ts by @dependabot[bot] in #327
• fix(deps): override vulnerable Hono interop dependency by @leehack in #328
• Document the 2.2 to 2.3 migration by @leehack in #329
• Automate release prep and immutable documentation links by @leehack in #330
• Prepare coordinated dev.3 release by @leehack in #331

Full Changelog: mcp_dart_cli-v0.2.0-dev.2...v2.3.0-dev.3