feat: initial cog release — cognitive architecture for Claude Code

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

memory/cog-meta/scenario-calibration.md

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+# Scenario Calibration
+<!-- L0: Prediction accuracy tracker for decision scenarios -->
+
+<!-- Updated by /reflect when scenarios resolve. -->
+
+## Resolved Scenarios
+
+| Scenario | Created | Resolved | Predicted Branch | Actual Branch | Accuracy | Lesson |
+|----------|---------|----------|-----------------|---------------|----------|--------|
+
+## Metrics
+
+- Total resolved: 0
+- Accuracy rate: —