fix: Evolution pipeline UUPS upgrade + Foundry PATH (#593)

- Add virtual to Optimizer.calculateParams() for UUPS override
- Create OptimizerV3.sol: UUPS-upgradeable optimizer with transpiled Push3 logic
- Update deploy-optimizer.sh to deploy OptimizerV3 instead of Optimizer
- Add ~/.foundry/bin to PATH in evolve.sh, fitness.sh, deploy-optimizer.sh

tools/push3-evolution/evolve.sh

@@ -39,6 +39,9 @@
 
 set -euo pipefail
 
+# Foundry tools (forge, cast, anvil)
+export PATH="${HOME}/.foundry/bin:${PATH}"
+
 SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
 FITNESS_SH="$SCRIPT_DIR/fitness.sh"
 MUTATE_CLI="$SCRIPT_DIR/mutate-cli.ts"