diff --git a/src/code_path_audit.py b/src/code_path_audit.py
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+"""Code path & data pipeline audit tool v2.
+
+Builds a Producer-Consumer Graph (PCG) of src/, classifies each
+data aggregate by MemoryDim, detects the access pattern (APD),
+estimates the call frequency (CFE), computes the decomposition
+cost (componentize vs unify), cross-validates with 6 existing
+audit scripts, and emits per-aggregate profiles in the v2 custom
+postfix DSL + markdown + prefix tree text. See
+conductor/tracks/code_path_audit_20260607/spec_v2.md.
+"""
+from __future__ import annotations
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