feat(hive): start bot integration epic

[alexk-dev]

Summary

• start the long-lived bot epic PR for Hive integration
• add managed bot.hive.* bootstrap support with persisted runtime HiveConfig
• expose a Hive settings section in the dashboard with read-only behavior when managed by properties

Included in this slice

• BotProperties.HiveProperties
• RuntimeConfig.HiveConfig + hive.json persistence
• startup synchronization from bot.hive.* into runtime config
• backend guard that blocks Hive config writes in managed mode
• dashboard Hive tab and integration docs

Verification

• ./mvnw -Dmaven.gitcommitid.skip=true -Dtest=HiveBootstrapConfigSynchronizerTest,RuntimeConfigServiceTest,SettingsControllerTest test
• source ~/.nvm/nvm.sh && (nvm use 20 >/dev/null || nvm use default >/dev/null) && npm run lint && npm run build

Notes

• This PR is the bot-side epic for the Hive integration track.
• maven.gitcommitid.skip=true is used locally because the git commit id plugin does not resolve cleanly from the current submodule worktree layout.

[sonarqubecloud]

Quality Gate failed

Failed conditions
65.0% Coverage on New Code (required ≥ 80%)
C Reliability Rating on New Code (required ≥ A)

See analysis details on SonarQube Cloud

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