feat: migrate GPS jamming to Wingbits API with H3 hexagon layer

[bobo]

Summary

• Replace gpsjam.org CSV scraping with Wingbits customer API (WINGBITS_API_KEY)
• Filter and enrich hexes server-side (npAvg thresholds + lat/lon via h3-js) to reduce client payload
• Switch DeckGL visualization from ScatterplotLayer to native H3HexagonLayer
• Add vite dev plugin for local testing (scripts/data/gpsjam-latest.json)
• Bump Redis key to intelligence:gpsjam:v2 to avoid stale data shape conflicts

Test plan

• Set WINGBITS_API_KEY in .env.local and run node scripts/fetch-gpsjam.mjs — verify filtered hexes in output
• Start dev server, confirm GPS jamming layer renders H3 hexagons on the map
• Click a hex — verify popup shows nav performance, samples, and aircraft count
• Verify globe view tooltip shows correct npAvg values
• Deploy to staging and confirm edge function returns 503 until seed job populates Redis

🤖 Generated with Claude Code

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