feat: protocol stats display + parameter sweep fuzzing infrastructure (#106)

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

onchain/test/ReplayProfitableScenario.t.sol

@@ -205,7 +205,7 @@ contract ReplayProfitableScenario is Test {
             return;
         }
 
-        SwapExecutor executor = new SwapExecutor(pool, weth, kraiken, token0isWeth, lm);
+        SwapExecutor executor = new SwapExecutor(pool, weth, kraiken, token0isWeth, lm, false);
         vm.prank(buyer);
         weth.transfer(address(executor), amount);
 
@@ -222,7 +222,7 @@ contract ReplayProfitableScenario is Test {
             if (amount == 0) return;
         }
 
-        SwapExecutor executor = new SwapExecutor(pool, weth, kraiken, token0isWeth, lm);
+        SwapExecutor executor = new SwapExecutor(pool, weth, kraiken, token0isWeth, lm, false);
         vm.prank(seller);
         kraiken.transfer(address(executor), amount);
 

onchain/test/mocks/ConfigurableOptimizer.sol

@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+pragma solidity ^0.8.19;
+
+/// @title ConfigurableOptimizer
+/// @notice Optimizer mock with directly settable parameters for parameter sweep fuzzing
+/// @dev Parameters are set via constructor or setter, not environment variables (Solidity can't read env)
+contract ConfigurableOptimizer {
+    uint256 private _capitalInefficiency;
+    uint256 private _anchorShare;
+    uint24 private _anchorWidth;
+    uint256 private _discoveryDepth;
+
+    constructor(uint256 capitalInefficiency_, uint256 anchorShare_, uint24 anchorWidth_, uint256 discoveryDepth_) {
+        _capitalInefficiency = capitalInefficiency_;
+        _anchorShare = anchorShare_;
+        _anchorWidth = anchorWidth_;
+        _discoveryDepth = discoveryDepth_;
+    }
+
+    function setParams(uint256 capitalInefficiency_, uint256 anchorShare_, uint24 anchorWidth_, uint256 discoveryDepth_) external {
+        _capitalInefficiency = capitalInefficiency_;
+        _anchorShare = anchorShare_;
+        _anchorWidth = anchorWidth_;
+        _discoveryDepth = discoveryDepth_;
+    }
+
+    function calculateSentiment(uint256, uint256) public pure returns (uint256) {
+        return 0;
+    }
+
+    function getSentiment() external pure returns (uint256) {
+        return 0;
+    }
+
+    function getLiquidityParams() external view returns (uint256 capitalInefficiency, uint256 anchorShare, uint24 anchorWidth, uint256 discoveryDepth) {
+        capitalInefficiency = _capitalInefficiency;
+        anchorShare = _anchorShare;
+        anchorWidth = _anchorWidth;
+        discoveryDepth = _discoveryDepth;
+    }
+
+    function getDescription() external pure returns (string memory) {
+        return "Configurable Optimizer (Parameter Sweep)";
+    }
+}