Task 364: Add Beacon Blackout and COIAS to Communications Report

Status: DONE

Description

The communications report is missing two key communication-infrastructure findings:

1. EP05 STELLAR-INS AUTONOMOUS beacon blackout: All 5 reference beacons (EARTH/MARS/JUPITER/SATURN/STELLAR-INS) shown as UNAVAILABLE on HUD. The most dramatic communication-infrastructure event in the series — Kestrel navigates 18.2 AU with zero external reference.
2. EP02 COIAS orbital-cross alert system: Real-world Subaru Telescope system name (COIAS) repurposed as collision alert. Communication/navigation infrastructure element absent from the report.

Changes

• reports/data/summary/communications.md: Beacon blackout + COIAS sections
• ts/src/article-content-validation.test.ts: TDD content tests
• reports/data/summary/tech-overview.md: Stats refresh