diff --git a/.github/copilot-instructions.md b/.github/copilot-instructions.md
index 1254745..21e9591 100644
--- a/.github/copilot-instructions.md
+++ b/.github/copilot-instructions.md
@@ -3223,7 +3223,16 @@ if (!enabled) {
    - Log shows: `📊 ATR-based targets: TP1 X.XX%, TP2 Y.YY%, SL Z.ZZ%`
    - Verify targets fall within safety bounds (TP1: 0.5-1.5%, TP2: 1.0-3.0%, SL: 0.8-2.0%)
    - Update Telegram manual trade presets if median ATR changes (currently 0.43 for SOL)
-10. **Position Manager changes:** ALWAYS execute test trade after deployment
+10. **Position Manager changes:** ALWAYS run tests BEFORE deployment, then validate in production
+   - **STEP 1 - Run tests locally (MANDATORY):**
+     ```bash
+     npm test  # Run all 113 tests (takes ~30 seconds)
+     # OR run specific test file:
+     npm test tests/integration/position-manager/tp1-detection.test.ts
+     ```
+   - **Why mandatory:** Tests catch bugs (tokens vs USD, TP1 false detection, wrong SL price) BEFORE they cost real money
+   - **If tests fail:** Fix the issue or update tests - DO NOT deploy broken code
+   - **STEP 2 - Deploy and validate with test trade:**
    - Use `/api/trading/test` endpoint or Telegram `long sol --force`
    - Monitor `docker logs -f trading-bot-v4` for full cycle
    - Verify TP1 hit → 75% close → SL moved to breakeven