docs: Add B2B reseller plan for hosting providers

Wholesale pricing model ($6/server/mo), bulk provisioning API spec,
host dashboard requirements, pitch framework, and revenue projections.
Model B — fast to market, hosts control markup.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

docs/B2B_RESELLER_PLAN.md

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+# Corrosion — B2B Reseller Plan for Hosting Providers
+
+---
+
+## Why Model B Over Model A
+
+Model A (embedded SaaS) requires:
+
+* Org-layer multi-tenancy
+* White labeling
+* Deep integration
+* SSO
+* Heavy engineering
+
+Model B requires:
+
+* License API
+* Bulk provisioning endpoint
+* Simple billing reconciliation
+
+**Much faster to market.**
+
+Hosts love: "Add this feature, charge more."
+
+---
+
+## Financial Structure
+
+### Hosting Company Pricing Example
+
+| Customer Pays | Host Keeps | You Earn |
+|---------------|------------|----------|
+| $15/mo add-on | $9         | $6       |
+| $20/mo add-on | $14        | $6       |
+| $10/mo add-on | $4         | $6       |
+
+Let them control markup.
+
+You standardize wholesale at **$6/server/month**.
+
+That gives them incentive.
+
+---
+
+## Minimum Viable B2B — Technical Requirements
+
+You don't need Phase 6 fully built. You need:
+
+### 1. Bulk License Provisioning API
+
+```
+POST /api/host/provision
+
+Body:
+{
+  "server_id": "abc123",
+  "hostname": "rust-nyc-01",
+  "customer_email": "user@example.com"
+}
+
+Returns:
+{
+  "license_key": "...",
+  "companion_token": "...",
+  "plugin_download_url": "..."
+}
+```
+
+That's it.
+
+### 2. Host Dashboard (Lightweight)
+
+For hosts only:
+
+* Active licenses
+* Monthly count
+* Status (connected / offline)
+* Billing report export (CSV)
+
+Keep it minimal.
+
+### 3. Automated Monthly Usage Report
+
+At end of month:
+
+* Count active servers
+* Send invoice for X * $6
+* Or integrate Stripe metered billing later
+
+Manual invoicing at first is fine.
+
+---
+
+## How You Pitch It to Hosts
+
+Not: "We built a Rust tool."
+
+But: **"We reduce Rust support tickets and increase your revenue per server."**
+
+Hosts care about:
+
+* Ticket volume
+* Upsell opportunity
+* Differentiation
+* Stability
+
+### The Pitch
+
+> **Corrosion for Hosting Providers**
+>
+> * Reduce wipe-related support tickets
+> * Eliminate Steam update confusion
+> * Provide advanced Rust automation competitors don't have
+> * Add $10–$20 per server in recurring revenue
+> * Zero infrastructure changes required
+> * Outbound-only connection model
+
+---
+
+## Competitive Advantage
+
+Most hosts:
+
+* Offer AMP/Ptero
+* Maybe some scripts
+* Nothing Rust-native
+
+If one host integrates Corrosion properly, they can market:
+
+**"Fully Automated Rust Hosting — Powered by Corrosion"**
+
+That's a differentiation lever.
+
+---
+
+## Strategic Rule
+
+**Never undercut hosts by selling cheaper directly.**
+
+If they charge $15/mo add-on, your direct pricing shouldn't make customers think: "Why not just buy it myself?"
+
+For B2B stability:
+
+* **Direct license** = one-time purchase (CodeFling model)
+* **Host add-on** = convenience + integration + automation
+
+Different value.
+
+---
+
+## Tactical Moves (Pre-Launch)
+
+1. Add a hidden "For Hosting Providers" page
+2. Draft a 1-page pitch PDF
+3. Prepare wholesale rate structure
+4. Identify 3 Rust hosts
+5. Reach out privately — not publicly. Quiet, targeted outreach.
+
+---
+
+## Long-Term Revenue Model
+
+If you get:
+
+* 5 hosting partners
+* Each averaging 150 Rust servers
+
+That's:
+
+* **750 servers**
+* **750 x $6 = $4,500/month recurring**
+
+Without selling a single CodeFling license. Now scale that.
+
+---
+
+## The Real Play
+
+Individual admins create brand awareness.
+
+Hosting providers create revenue stability.
+
+**You do both.**