economic-model: replace forced Phoenix dependency with any validation client

docs/business-model/economic-model.md

@@ -1,6 +1,7 @@
 # Economic Model
 
-**Status: Structural draft — pending real data**
+**Status: Structural draft — pending real data**  
+**Horizon:** Business-model structure (NOW for shape; numbers remain PLACEHOLDER until Layer 3 on a real client)
 
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@@ -20,7 +21,7 @@ Two distinct placeholders, not one:
 
 ### 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.
+[PLACEHOLDER] — explicitly a future-state projection for once specific task types clear the ≥100 zero-error graduation threshold (see `docs/operations/task-reliability-ledger.md`). State clearly this is not a V1 number and must not be used for V1 pricing decisions.
 
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@@ -66,6 +67,6 @@ State that price should stay within a percentage-of-recoverable-LTV band, prior
 
 List explicitly:
 
-1. Ashley/Phoenix's real client data (see Value Side above) has not yet been collected.
+1. **Real client Layer 3 data** has not yet been collected. Any local service business that completes Path to PoC Layers 1–3 with owner-provided numbers may supply the first validation set (Overcome Fitness is the current Draft Benchmark on the 1a path; Phoenix Salon + Spa remains a valid future source if economics access is obtained). No single named client is forced.
 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.
+3. At least one completed proof-of-concept engagement is needed to sanity-check assumed delivery cost against actual time and effort spent.