v0.7.0

Changelog

• 3c013b1: Remove early evolution warning from README (@roark47)
• 916256b: Update README.zh.md to remove early stage warning (@roark47)
• a366f2f: feat(config): add per-case mocked MCP override schema and merge (@roark47)
• 939c20a: feat(evaluator): provision MCP config per case with override isolation (@roark47)
• 967125c: fix(config): validate per-case mcp overrides (@roark47)
• cb3a9d6: test(e2e): add per-case mocked MCP override eval fixture and test (@roark47)