feat: OptimizerV3 with direct 2D staking-to-LP parameter mapping

Core protocol changes for launch readiness:

- OptimizerV3: binary bear/bull mapping from (staking%, avgTax) — avoids
  exploitable AW 30-90 kill zone. Bear: AS=30%, AW=100, CI=0, DD=0.3e18.
  Bull: AS=100%, AW=20, CI=0, DD=1e18. UUPS upgradeable with __gap[48].
- Directional VWAP: only records prices on ETH inflow (buys), preventing
  sell-side dilution of price memory
- Floor formula: unified max(scarcity, mirror, clamp) — VWAP mirror uses
  distance from adjusted VWAP as floor distance, no branching
- PriceOracle (M-1 fix): correct fallback TWAP divisor (60000s, not 300s)
- Access control (M-2 fix): deployer-only guard on one-time setters
- Recenter rate limit (M-3 fix): 60-second cooldown for open recenters
- Safe fallback params: recenter() optimizer-failure defaults changed from
  exploitable CI=50%/AW=50 to safe bear-mode CI=0/AW=100
- Recentered event for monitoring and indexing
- VERSION bump to 2, kraiken-lib COMPATIBLE_CONTRACT_VERSIONS updated

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

tests/e2e/02-max-stake-all-tax-rates.spec.ts

@@ -72,6 +72,7 @@ test.describe('Max Stake All Tax Rates', () => {
   });
 
   test('fills all tax rates until maxStake is reached', async ({ browser, request }) => {
+    test.setTimeout(10 * 60 * 1000); // 10 minutes — this test creates 30 staking positions via UI
     console.log('[TEST] Creating wallet context...');
     const context = await createWalletContext(browser, {
       privateKey: ACCOUNT_PRIVATE_KEY,