Adds the last two deterministic Stage 1 checks and wires them into
scripts/librarian.sh:
- librarian_check_stale_plans.py: per docs/plans/*.md, uses
`git log -1 --format=%cs` to get the last commit date and flags
plans untouched in 60+ days. Plans should be either active or
archived; long silence is drift.
- librarian_check_memory_drift.py: validates the user-memory dir
(~/.claude/projects/<slug>/memory). Each MEMORY.md index line
must point at a real file with frontmatter (name, description,
type ∈ {user, feedback, project, reference}); no orphaned memory
files. Memory dir is derived from repo root for portability.
Both run clean against current state.
Stage 1 declared complete. Promotable-archive and duplicate-prose
detection are moved to Stage 2 in the plan because both need LLM
judgment to avoid false positives — not pattern matching.
Next concrete step is the open Stage 1 finding from yesterday:
docs/performance.md at 914 lines, due for a split into sub-topic
notes.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
105 lines
3.3 KiB
Python
105 lines
3.3 KiB
Python
"""MEMORY.md drift check for librarian Stage 1.
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Validates the user-memory directory:
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- Each MEMORY.md index line points to a real memory file.
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- Each memory file has YAML frontmatter with required fields
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(`name`, `description`, `type`) and a valid `type`.
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- Reports orphan memory files (exist on disk but missing from index).
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Memory dir is derived from the repo root, mirroring how Claude Code
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resolves project-scoped memory paths. If the dir doesn't exist (fresh
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checkout), the check exits 0 silently.
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Usage:
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uv run python scripts/librarian_check_memory_drift.py
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"""
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from __future__ import annotations
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import re
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from pathlib import Path
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VALID_TYPES = {"user", "feedback", "project", "reference"}
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REQUIRED_FIELDS = ("name", "description", "type")
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INDEX_LINE = re.compile(r"^\s*-\s*\[([^\]]+)\]\(([^)]+)\)")
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FRONTMATTER = re.compile(r"\A---\s*\n(.*?)\n---\s*\n", re.DOTALL)
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def _repo_root() -> Path:
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current = Path(__file__).resolve()
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for parent in current.parents:
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if (parent / "pyproject.toml").is_file():
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return parent
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raise RuntimeError("pyproject.toml을 찾을 수 없어 repository root를 판정할 수 없습니다.")
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def _memory_dir(root: Path) -> Path:
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project_slug = str(root).replace("/", "-")
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return Path.home() / ".claude" / "projects" / project_slug / "memory"
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def _parse_frontmatter(body: str) -> dict[str, str] | None:
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m = FRONTMATTER.match(body)
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if not m:
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return None
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fields: dict[str, str] = {}
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for line in m.group(1).splitlines():
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if ":" not in line:
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continue
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key, _, value = line.partition(":")
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fields[key.strip()] = value.strip()
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return fields
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def main() -> int:
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root = _repo_root()
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mem_dir = _memory_dir(root)
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index_file = mem_dir / "MEMORY.md"
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if not index_file.is_file():
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print(f"MEMORY.md not found at {mem_dir}; skipping memory check.")
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return 0
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findings: list[str] = []
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referenced: set[str] = set()
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for raw in index_file.read_text(encoding="utf-8").splitlines():
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m = INDEX_LINE.match(raw)
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if not m:
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continue
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target = m.group(2).strip()
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referenced.add(target)
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target_path = mem_dir / target
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if not target_path.is_file():
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findings.append(f"index points to missing file: {target}")
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continue
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body = target_path.read_text(encoding="utf-8")
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fields = _parse_frontmatter(body)
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if fields is None:
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findings.append(f"{target}: missing or malformed frontmatter")
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continue
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for key in REQUIRED_FIELDS:
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if key not in fields:
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findings.append(f"{target}: frontmatter missing `{key}`")
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if "type" in fields and fields["type"] not in VALID_TYPES:
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findings.append(
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f"{target}: invalid type `{fields['type']}` (allowed: {sorted(VALID_TYPES)})"
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)
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on_disk = {p.name for p in mem_dir.glob("*.md") if p.name != "MEMORY.md"}
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for orphan in sorted(on_disk - referenced):
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findings.append(f"orphan memory file (not in MEMORY.md index): {orphan}")
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if not findings:
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print("MEMORY.md and memory files consistent.")
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return 0
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print("MEMORY.md drift findings:")
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for entry in findings:
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print(f" {entry}")
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return 1
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if __name__ == "__main__":
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raise SystemExit(main())
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