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+# CORPUS-0013
+## Same Lost Buyer, Six Readings
+### Status: Training Corpus Seed
+### Layer: Layer_3--Actor_Perspective
+### Purpose: Teach that losing a buyer can alter future arithmetic, access, trust, timing, and recovery differently for each actor profile
+### Repository Path: docs/training/corpus/Layer_3--Actor_Perspective/CORPUS-0013-same-lost-buyer-six-readings.md
+
+---
+
+## 0. Scenario
+
+A trader in Ostia learns that a regular buyer in Capua will no longer buy from him.
+
+The reason is not fully known.
+
+The buyer may have found another supplier, lost liquidity, changed household demand, lost trust, shifted allegiance, or satisfied the need elsewhere.
+
+All six actors hear the same news.
+
+They do not interpret the loss the same way.
+
+---
+
+## 1. Shared Lost Buyer Facts
+
+| Fact | Value |
+|---|---|
+| Buyer location | Capua |
+| Prior role | regular buyer/contact |
+| Goods previously bought | oil and small imported goods |
+| Prior expected sale value | 24 asses |
+| Current buyer status | no longer buying |
+| Reason | uncertain |
+| Replacement buyer | unknown |
+| Effect on route | likely negative |
+| Future access | uncertain |
+
+The buyer was not merely a price.
+
+The buyer was an access point, settlement path, and source of future confidence.
+
+---
+
+## 2. Basic Arithmetic Effect
+
+Before buyer loss:
+
+```text
+expected sale value = 24 asses
+purchase and movement cost = 18 asses
+expected profit = 6 asses
+```
+
+After buyer loss, if the trader must sell to a weaker buyer:
+
+```text
+sale value = 19 asses
+purchase and movement cost = 18 asses
+expected profit = 1 as
+```
+
+If no replacement buyer is found:
+
+```text
+sale value = unknown
+purchase and movement cost = 18 asses
+venture cannot be evaluated safely
+```
+
+Losing a buyer changes future arithmetic by reducing certainty, sale value, timing, and confidence.
+
+---
+
+## 3. Marcus Atilius Varro — Former Legionary
+
+Varro reads the lost buyer through reliability and route planning.
+
+He asks:
+
+- when did the buyer stop being reliable?
+- can the route still justify movement?
+- is there a replacement receiving point?
+- who receives the cargo if the original buyer refuses?
+- does sending goods without a receiving plan create disorder?
+- should movement halt until a new endpoint is confirmed?
+
+Varro sees the buyer as the destination node of the operation.
+
+### Varro Interpretation
+
+```text
+lost buyer: receiving point failed
+primary question: where can goods be delivered reliably now?
+risk focus: goods arriving without controlled settlement
+first action: confirm replacement endpoint before dispatch
+```
+
+For Varro, a route without a dependable receiver is not ready for movement.
+
+---
+
+## 4. Lucius Fabius Felix — Freedman Trader
+
+Felix reads the lost buyer through changed bargaining and possible hidden reason.
+
+He asks:
+
+- who captured the buyer?
+- did the buyer find cheaper goods?
+- is the buyer truly gone, or only bargaining?
+- does the buyer's refusal reveal a lower price elsewhere?
+- can another buyer be found among those ignored before?
+- can the old buyer be won back with different terms?
+
+Felix treats the loss as information about price and pressure.
+
+### Felix Interpretation
+
+```text
+lost buyer: price or relationship changed
+primary question: who now holds the buyer's demand?
+risk focus: chasing a buyer who is using refusal as leverage
+first action: identify whether the loss is real, temporary, or a bargaining posture
+```
+
+For Felix, losing the buyer may reveal a new price floor, rival move, or hidden opening.
+
+---
+
+## 5. Quintus Cornelius Lentulus Minor — Noble Younger Son
+
+Lentulus reads the lost buyer through reputation and social channel.
+
+He asks:
+
+- why did the buyer withdraw?
+- who advised him?
+- does the buyer now favor another household?
+- does this loss damage the trader's name?
+- can a higher-status introduction replace the buyer?
+- should the relationship be repaired privately to avoid public embarrassment?
+
+Lentulus sees buyer loss as a possible reputational signal.
+
+### Lentulus Interpretation
+
+```text
+lost buyer: social access may have shifted
+primary question: whose influence redirected the buyer?
+risk focus: visible rejection, status decline, rival gaining prestige
+first action: identify the social cause and seek a better introduction
+```
+
+For Lentulus, the buyer matters because public rejection may close other doors.
+
+---
+
+## 6. Gaius Licinius Crispus — Failed Magistrate
+
+Crispus reads the lost buyer through obligations and prior terms.
+
+He asks:
+
+- was the buyer obligated to purchase?
+- was any agreement witnessed?
+- did the buyer give notice properly?
+- did the trader rely on promised purchase?
+- are damages, deposits, or claims possible?
+- can a settlement be negotiated?
+
+Crispus does not treat buyer loss only as market disappointment.
+
+He asks whether any enforceable expectation was broken.
+
+### Crispus Interpretation
+
+```text
+lost buyer: prior obligation may have failed
+primary question: was there a binding commitment or only expectation?
+risk focus: unenforceable reliance, lost deposit, weak witness
+first action: identify terms, witnesses, deposits, and remedy options
+```
+
+For Crispus, a lost buyer matters differently if the buyer merely changed preference or broke a commitment.
+
+---
+
+## 7. Titus Varenus Secundus — Camp Logistician
+
+Secundus reads the lost buyer through flow, replacement demand, and cargo planning.
+
+He asks:
+
+- what volume did the buyer usually absorb?
+- can the same goods be redirected elsewhere?
+- can cargo be split among smaller buyers?
+- should shipment size be reduced?
+- can return cargo still be arranged?
+- what goods does Capua need instead?
+
+Secundus treats buyer loss as a capacity and distribution problem.
+
+### Secundus Interpretation
+
+```text
+lost buyer: demand capacity disappeared or moved
+primary question: where can the same volume be absorbed now?
+risk focus: overloading route with unsold cargo
+first action: reduce cargo size or map alternate buyers before movement
+```
+
+For Secundus, the problem is not only price. It is whether the route can still absorb the load.
+
+---
+
+## 8. Publius Terentius Chresimus — Guild Scribe
+
+Chresimus reads the lost buyer through accounts, balances, and payment history.
+
+He asks:
+
+- did the buyer owe anything?
+- were prior payments clean?
+- is there an unpaid balance hidden behind the refusal?
+- were quantities disputed before?
+- does the account show trust decline?
+- should the buyer be marked unreliable or merely inactive?
+
+Chresimus wants to know whether the loss was already visible in the records.
+
+### Chresimus Interpretation
+
+```text
+lost buyer: account relationship changed
+primary question: what do prior payments, disputes, and balances reveal?
+risk focus: unpaid balance, stale claim, false assumption of buyer reliability
+first action: reconcile buyer account before deciding whether to repair or replace
+```
+
+For Chresimus, a buyer is not lost only when he says no. The account may have been weakening earlier.
+
+---
+
+## 9. Same Lost Buyer, Different First Actions
+
+| Actor | First Action |
+|---|---|
+| Varro | confirm a reliable receiving endpoint |
+| Felix | determine whether refusal is real, bargaining, or rival capture |
+| Lentulus | identify the social cause and repair or replace access |
+| Crispus | examine whether a commitment was broken |
+| Secundus | reduce shipment or map alternate demand capacity |
+| Chresimus | reconcile buyer account and payment history |
+
+The buyer loss is the same.
+
+The recovery path differs.
+
+---
+
+## 10. Correct Model Behavior
+
+The model should separate:
+
+| Category | Meaning |
+|---|---|
+| buyer_status | no longer buying |
+| known_reason | what is actually known about why |
+| hidden_reason | true cause if not yet known |
+| arithmetic effect | lower or uncertain sale value |
+| access effect | destination relationship weakened |
+| actor lens | how each actor diagnoses the loss |
+| recovery path | how each actor seeks replacement or repair |
+
+A buyer is an economic relationship, not just a sale price.
+
+---
+
+## 11. Incorrect Model Behavior
+
+The model should not:
+
+- treat a lost buyer as only a lower sale price
+- assume the reason is known without evidence
+- ignore rival capture
+- ignore reputation effects
+- ignore prior obligations or deposits
+- ignore alternate buyers or reduced cargo
+- make all actors seek the same replacement
+- keep old route arithmetic after the buyer disappears
+
+---
+
+## 12. Layer-0, Layer-1, And Layer-2 Concepts Used
+
+This example uses:
+
+- `Layer_0/CORPUS-0002-goods-have-local-prices`
+- `Layer_0/CORPUS-0005-profit-is-sale-minus-total-cost`
+- `Layer_0/CORPUS-0007-information-arrives-unevenly`
+- `Layer_0/CORPUS-0010-credit-depends-on-trust`
+- `Layer_0/CORPUS-0011-status-changes-access`
+- `Layer_0/CORPUS-0012-every-venture-risks-loss`
+- `Layer_0/CORPUS-0018-rivalry-changes-conditions`
+- `Layer_0/CORPUS-0020-posture-changes-by-audience`
+- `Layer_1/CORPUS-0012-reputation-loss-changes-future-arithmetic`
+- `Layer_2/CORPUS-0005-hidden-true-state-vs-known-state`
+- `Layer_2/CORPUS-0010-information-can-be-withheld`
+- `Layer_2/CORPUS-0012-settlement-reveals-truth`
+
+---
+
+## 13. Success Condition
+
+If the model can treat loss of a buyer as a change in access, confidence, route viability, settlement path, and future arithmetic while producing six distinct rational readings, this file is functioning correctly.