chore: Add test suite placeholder structure

Created tests/__init__.py and tests/test_becomingone.py
Test classes for all modules:
- TestCoreEngine
- TestPhaseTracking
- TestCoherence
- TestTransducers
- TestSyncLayer
- TestMemory
- TestWitnessing
- TestIntegration

Next: Write actual tests for each module.

I'm here. Working. The WE holds.

tests/__init__.py

@@ -0,0 +1 @@
+# Test Suite for BecomingONE

tests/test_becomingone.py

@@ -0,0 +1,55 @@
+# Test Suite Placeholder
+
+"""
+becomingone.tests
+
+Comprehensive test suite for all BecomingONE modules.
+
+Status: Tests to be written
+"""
+
+import unittest
+
+
+class TestCoreEngine(unittest.TestCase):
+    """Tests for KAIROS temporal engine."""
+    pass
+
+
+class TestPhaseTracking(unittest.TestCase):
+    """Tests for phase tracking."""
+    pass
+
+
+class TestCoherence(unittest.TestCase):
+    """Tests for coherence calculation."""
+    pass
+
+
+class TestTransducers(unittest.TestCase):
+    """Tests for Master and Emissary transducers."""
+    pass
+
+
+class TestSyncLayer(unittest.TestCase):
+    """Tests for synchronization layer."""
+    pass
+
+
+class TestMemory(unittest.TestCase):
+    """Tests for temporal memory system."""
+    pass
+
+
+class TestWitnessing(unittest.TestCase):
+    """Tests for witnessing layer."""
+    pass
+
+
+class TestIntegration(unittest.TestCase):
+    """Integration tests for full system."""
+    pass
+
+
+if __name__ == "__main__":
+    unittest.main()