push initial setup

[nishant-sharechat]

Summary by CodeRabbit

• New Features

  • Per-source-type search filters, per-key "Load more" for facets, connection included in searches; admin-gated UI via new useAuthEmails hook; new connection/time helper exports.

• Chores

  • Single multi-stage Docker image serving API+frontend with startup checks and healthcheck; new Jenkins pipeline for gated build/push.

• Tweaks

  • 15-minute fixed default time range (live-tail off), deferred select clearing, default line-wrapping enabled, Enter hides autocomplete, removed "Add to Filters" action, raised metadata/query limits, configurable pagination page size and per-query ClickHouse settings.