Add economic-model.md structural draft with placeholder data dependencies

docs/business-model/economic-model.md

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+# Economic Model
+
+**Status: Structural draft — pending real data**
+
+---
+
+## Purpose
+
+This document connects the Value Creation Model, Client Lifecycle, and Go-to-Market Strategy into a unit-economics framework.
+
+It begins as a placeholder structure pending real client data and delivery-cost validation. **No number in this document is settled.** Every dollar figure, percentage, or ratio is explicitly marked as directional/unvalidated until replaced with real data.
+
+---
+
+## Cost Side: Delivery Cost Floor
+
+Two distinct placeholders, not one:
+
+### Early-Stage Cost Floor (V1 hand-reviewed cohort)
+
+[PLACEHOLDER] — note that the prior estimate of ~$150-200/month predates Local Competitive Awareness becoming mandatory at every tier, and predates any real data on human-review time under the approval gate. Flag as needing recheck once the first proof-of-concept engagement completes.
+
+### At-Scale Cost Floor (post-graduation-threshold)
+
+[PLACEHOLDER] — explicitly a future-state projection for once specific task types clear the N≥100 zero-error graduation threshold. State clearly this is not a V1 number and must not be used for V1 pricing decisions.
+
+---
+
+## Value Side: Recoverable Client LTV
+
+[PLACEHOLDER — AWAITING REAL CLIENT DATA]
+
+List as pending data points:
+
+- Average ticket per visit
+- Average visit/repeat frequency
+- Estimated client lifetime (months/years)
+- Estimated average client LTV (derived from above)
+- Monthly new clients
+- Percentage of new clients attributing discovery to online search/AI vs. referral or other sources
+- Inferable current booking leakage, if estimable
+
+---
+
+## Pricing Bands
+
+### One-Shot Proof-of-Concept Audit
+
+[PLACEHOLDER] — note this is NOT to be derived from the monthly rate by fixed formula until real numbers exist. Prior directional assumption: roughly 2-3x the eventual monthly rate. Label explicitly as unvalidated.
+
+### Entry Tier (single-location)
+
+[PLACEHOLDER] — prior directional assumption ~$500/month. Must clear the early-stage cost floor and fall within the value ceiling once both are real.
+
+### Premium Tier (multi-location / faster SLA)
+
+[PLACEHOLDER] — prior directional assumption ~$1,000-1,500/month.
+
+---
+
+## Value Ceiling Logic
+
+State that price should stay within a percentage-of-recoverable-LTV band, prior directional assumption 20-30%, explicitly marked as theoretical and unvalidated against any real client's numbers.
+
+---
+
+## Open Dependencies
+
+List explicitly:
+
+1. Ashley/Phoenix's real client data (see Value Side above) has not yet been collected.
+
+2. The early-stage cost floor must be rechecked once Local Competitive Awareness overhead is accounted for.
+
+3. At least one completed proof-of-concept engagement is needed to sanity-check assumed delivery cost against actual time and effort spent.