docs: nest 19 files into audit/ clients/ infrastructure/ monitoring/ projects/ super-search/

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+# CoverZone — WISP Coverage Planning Analysis
+> Domain: coverzone.com (available)
+
+## Source
+GridVisio (https://gridvisio.com) — discovered via WISPA community, Aug 7 2026.
+
+## What It Is
+Browser-based coverage planning tool targeting small WISPs priced out of enterprise tools.
+Community-driven development — updates come directly from WISP feedback.
+
+## Pricing
+| Tier | Price | Limits |
+|---|---|---|
+| Free | $0 | 1 project, 5 towers, 100 subscribers |
+| Starter | $19/mo | 3 projects, 20 towers, 1,000 subscribers |
+| Pro | $39/mo | Unlimited everything |
+| Trial | 14 days | No credit card required |
+
+## Features
+### Core
+- Tower + sector antenna management (azimuth, beamwidth, radius) on Google Maps satellite
+- CSV subscriber import — auto-served/unserved classification
+- Hypothetical tower placement with unserved subscriber coverage simulation
+- White area detection — DBSCAN clustering identifies coverage gaps
+- Coverage overlap analysis — detect same-frequency sector interference
+- Drive test overlay — import GPS signal logs, see real vs planned coverage
+- Shareable read-only map links for clients (no login required)
+- LoS link check with Fresnel zone, PDF export, elevation data (SRTM, Copernicus GLO-30)
+- Lambert coordinate converter (WGS84 ↔ Lambert 72/2008/2005)
+- KMZ / PDF / PNG / XLSX / CSV export
+- BDC / BEAD grant filing export
+- Team collaboration with viewer/editor roles
+- Coverage Widget — embeddable in client websites for instant location coverage check
+
+### Propagation Models (added based on WISP community feedback)
+- **ITM (Longley-Rice)** — selectable per-project and per-sector
+- **ITU-R P.1812** — default model
+- **FSPL + ITU-R P.526 diffraction** — automatic fallback for links above 20GHz where P.1812 and ITM don't apply
+
+### Multipath/NLoS Handling (community-driven additions)
+- **Reflection-path check** — specular bounce candidate (ground/building) for Borderline/Obstructed links, non-coherently combined with direct path
+- **ITU-R P.2108** — statistical clutter-loss margin for dense suburban/urban links, implemented from the Recommendation's own equations
+- **ITU-R P.530 fade margin** — for Clear links, temporal/weather-driven multipath via ITU-Rpy for geoclimatic factor derivation
+
+## Relevance to IT Pro Partner
+- Forefront Wireless is a WISP client — coverage planning tools are directly applicable
+- Existing CCR tower backup infrastructure could feed a competing product
+- Coverage Widget is a natural upsell for WISP client websites we host
+- Market gap: small WISPs priced out of enterprise tools, served by a community-responsive developer
+
+## Competitive Angle
+- GridVisio is community-driven — feature velocity is high, trust is earned through WISPA engagement
+- Weakness: single developer? Small team? Could be out-executed by a faster, better-funded competitor
+- Opportunity: white-label or acquire if the developer doesn't have MSP/sales infrastructure to scale
+
+## Questions for Later
+1. Who built it? Solo dev or team?
+2. What's their stack? (Google Maps API + browser-based = high API costs at scale?)
+3. Is the embeddable widget the real moat? (client-facing, no-login-required)
+4. Could we build a better version using our existing WISP tower data + MikroTik integrations?