v1.5.6

Changelog

• 68ffbc9 Add digest rebuilds and grouped route resolution
• 2f8b82f Add reproducible benchmark and no-install demo
• aa4d6d5 Bump version: 1.5.5 → 1.5.6
• 4e6248c Clarify MCP Registry server identifier
• 35c3716 Clarify precise quick start
• c8af2e9 Disable unconfigured Giscus comments
• 376a7d6 Fix benchmark runner staticcheck finding
• 73a6877 Handle benchmark cleanup errors
• 0dbf1e5 Make Scrinium usage conditional
• 7f6692b Merge pull request #34 from ozgurcd/ozgurcd-patch-1
• 5171a74 Merge remote-tracking branch 'origin/main'
• d1ccd7a Record release divergence resolution
• b65e8c4 Update README.md