Follow-through on the quinn-mcp fleet key rename (bc186901): port vars
(QUINN_MCP_DATA_PORT → QUINN_MCP_ANALYTICS_PORT in .env.ports,
quinn.mcp.data → quinn.mcp.analytics in ports.yaml, both still :3914) and the
remaining quinn-mcp@data → quinn-mcp@analytics references in the server header
comment, edge-visitors-aggregate.sh, and mcp-servers.md.
The data MCP is purely read-only analytics, so rename the package
(@lilith/quinn-data-mcp → @lilith/quinn-analytics-mcp), bin, server name,
logger prefix, and the .mcp.json client key to match. The systemd deploy
instance key stays `data` (quinn-mcp@data, black:3914) — noted in the deploy
script and mcp-servers.md. Updates all doc/content references (nyc-tour SEO,
twitter handoff, deploy comments).
Bump @lilith/quinn-data-mcp to 0.2.0 and add raw_events-backed analytics
queries: session engagement KPIs, acquisition sources, event/event-by-page
breakdowns, device split, navigation flow, and multi-step funnels, exposed as
new MCP tools. Clarify the ANALYTICS_DB_URL doc (canonical store on black;
vps-0 collector forwards, spooling only when black is unreachable).
