v0.1.0-rc2 installation prerequisite Q&A

[ym0506]

Use this Q&A for privacy-minimized prerequisite questions about the exact v0.1.0-rc2 installation protocol.

• Exact protocol: https://github.com/ym0506/routecontract/blob/v0.1.0-rc2/docs/independent-install-study.md
• Immutable prerelease: https://github.com/ym0506/routecontract/releases/tag/v0.1.0-rc2
• Activated record: https://github.com/ym0506/routecontract/blob/57f07d85e38dc1055bb0915622136b14829f1eca/docs/evidence/independent-rc-activation-v0.1.0-rc2.json

Before a first-outcome attempt, general JDK 17 or Docker prerequisite questions are welcome. Once an attempt starts, do not request or provide RouteContract-specific expected outputs, troubleshooting, source changes, or private setup help before the first outcome is recorded; doing so changes the classification rather than becoming a pass.

Never paste credentials, raw SQL or bind values, connection URLs, private topology, full logs, files, screenshots, or personal data. A minimized blocker category is enough. This Q&A is not the result form and does not count as external validation.