docs: clarify fees go to protocol treasury, not holders

- Add Fee Destination section to PRODUCT-TRUTH.md
- Explicitly ban 'fees grow your KRK value' and 'auto-compounding' claims
- Clarify holder value comes from asymmetric slippage, not fee reinvestment
- Fix misleading 'floor always goes up if fee income exceeds sell pressure'
- Update ARCHITECTURE.md feeDestination annotation

docs/ARCHITECTURE.md

@@ -17,7 +17,7 @@ Kraiken.sol (ERC-20 token)
 │       ├── Staking positions with tax rates
 │       ├── Snatch mechanics (competitive staking)
 │       └── getPercentageStaked(), getAverageTaxRate()
-└── feeDestination: address (protocol revenue)
+└── feeDestination: address (protocol revenue — fees go HERE, not back to holders)
 
 Optimizer.sol (UUPS Upgradeable Proxy)
 ├── Reads: stake.getPercentageStaked(), stake.getAverageTaxRate()
@@ -55,7 +55,8 @@ All managed by LiquidityManager via ThreePositionStrategy abstract:
 4. `discoveryDepth` (0 to 1e18) — depth of discovery position
 
 Sentiment calculation: `sentiment = f(averageTaxRate, percentageStaked)`
-- High sentiment (bull) → wider discovery, aggressive fees
+- High sentiment (bull) → wider discovery, more fee revenue for protocol treasury
+- Holder value comes from asymmetric slippage (structural ETH accumulation), NOT from fee reinvestment
 - Low sentiment (bear) → tight around floor, maximum protection
 
 ## Stack