sync: auto-sync from GURU-5070 at 2026-06-11 08:29:58

Author: Mike Swanson
Machine: GURU-5070
Timestamp: 2026-06-11 08:29:58

.claude/skills/memory-dream/scripts/memory_dream.py

@@ -432,6 +432,20 @@ def jaccard(a: set[str], b: set[str]) -> float:
     return inter / union if union else 0.0
 
 
+# Suffixes that denote an INTENTIONAL current/archive split (e.g. project_cascades
+# + project_cascades_history). These are deliberately separate files — current
+# state vs on-demand detail, cross-linked in frontmatter — NOT duplicates. They
+# must not be flagged as merge candidates.
+ARCHIVE_SUFFIXES = ("_history", "_archive", "_detail", "_log", "_rationale")
+
+
+def strip_archive_suffix(slug: str) -> str:
+    for suf in ARCHIVE_SUFFIXES:
+        if slug.endswith(suf):
+            return slug[: -len(suf)]
+    return slug
+
+
 def cluster_overlaps(mems: list[Memory], threshold: float = 0.34):
     """
     Within each type, find pairs with token-overlap >= threshold, then union
@@ -466,6 +480,7 @@ def cluster_overlaps(mems: list[Memory], threshold: float = 0.34):
                 parent[rx] = ry
 
         files = [m.filename for m in group]
+        slug_of = {m.filename: m.slug for m in group}
         slug_prefix = {}
         for m in group:
             parts = m.slug.split("_")
@@ -480,6 +495,11 @@ def cluster_overlaps(mems: list[Memory], threshold: float = 0.34):
                     and len(slug_prefix[fi].split("_")) >= 2
                 )
                 if sim >= threshold or same_prefix:
+                    # Don't flag intentional current/archive splits (X + X_history):
+                    # deliberately separate files, cross-linked in frontmatter, not dupes.
+                    si, sj = slug_of[fi], slug_of[fj]
+                    if si != sj and strip_archive_suffix(si) == strip_archive_suffix(sj):
+                        continue
                     union(fi, fj)
 
         groups: dict[str, list[str]] = {}