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Trim

Reduce oversized LifeOS instruction files while preserving distinct rules. Remove obsolete entries first, then propose approved merges, shorter wording, or relocation to reference files, with size measurements and reversible commits documenting the changes.

OriginalShow the original description

Reduces an always-on LifeOS context file that has grown too big via a human-gated pass — deterministic GC of stale entries first, then semantic merges and relocations — never dropping a directive and committing every change reversibly. USE WHEN /trim, trim the context, trim OPERATIONAL_RULES, this file is too big, reduce a doctrine file, prune an always-loaded file, fold the proposal inbox, shrink CLAUDE.md or DA_IDENTITY. NOT FOR general code refactoring, trimming video or audio media (use AudioEditor for audio files), or removing AI writing patterns from prose.

See how to install

Good for

  • Reducing an oversized CLAUDE.md
  • Consolidating overlapping operational rules
  • Cleaning up accumulated proposal entries
  • Moving rarely used details into reference files

Files included (2)

  • SKILL.md3.6 KB
  • Workflows/Trim.md4.3 KB

SKILL.md (original)

Review the instructions the agent will receive before you install.

Trim

Shrink an always-on context file that has gotten too big. /trim <file> walks the reduction, safest cuts first, never dropping a rule.

Workflow Routing

TriggerWorkflow
/trim <file>, "trim OPERATIONAL_RULES", "this file is too big", "reduce a doctrine file", "fold the proposal inbox"Workflows/Trim.md

Quick Reference

  • Target resolution: a bare name (OPERATIONAL_RULES) resolves against the always-on set — the system prompt, CLAUDE.md, its @-imports, and the hook-injected memory files. No arg → wc -c that set and take the largest.
  • Order is safest-first: (1) show state, (2) deterministic GC (zero-risk), (3) semantic trims (human-gated), (4) safety gate, (5) re-measure. Full steps: Workflows/Trim.md.
  • One tool it orchestrates — never reimplement: LIFEOS/TOOLS/ProposalGC.ts (removes superseded/duplicate/absorbed entries). Sizes come from wc -c.
  • Three semantic moves: MERGE overlapping rules, TIGHTEN verbose ones, RELOCATE rarely-used detail to an on-demand reference (leave a stub + pointer).
  • The invariant: a trim never drops a distinct directive. If a merge would, keep the original.

Gotchas

  • USER files commit to the USER_DATA repo, not ~/.claude. LIFEOS/USER/** (OPERATIONAL_RULES, PROJECTS, the identity files) is a symlink into a separate private repo. Commit with git -C ~/.config/LIFEOS/USER …. A ~/.claude commit captures nothing under LIFEOS/USER/ — a false safety net.
  • The file can change mid-edit. The autonomic memory loop appends proposals to these files while you work. If a Write/Edit reports "modified since read", RE-READ before writing — a concurrent correction may have landed (this is how a real deploy-command fix was nearly reverted). Never write from a stale read.
  • Semantic merges must never drop a directive. Before applying any merge/tighten, confirm every proper noun, path, tool name, and imperative from the originals survives in the result. If one is missing, the merge is wrong — keep the original. Deterministic GC (superseded/dup/absorbed) is always safe; semantic edits are the risky class.
  • bun/bunx only, never npm/npx.
  • Deterministic first, always. Run ProposalGC before proposing any semantic edit — the free, zero-risk removals often clear enough that no judgment-call edit is needed.

Examples

/trim OPERATIONAL_RULES
# → shows 40,456 B → ProposalGC dry-run (0 removable) → ranks semantic trims (fold the
#   40-entry proposal tail, relocate skill-scoped directives to a reference)
#   → applies approved ones behind the safety gate → commits to USER_DATA → 28,043 B (−31%)

/trim
# → no arg: wc -c the always-on set, take the largest, then the same walkthrough

Execution Log

After completing the workflow, append a single JSONL entry:

echo '{"ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","skill":"Trim","workflow":"Trim","input":"8_WORD_SUMMARY","status":"ok|error","duration_s":SECONDS}' >> ~/.claude/LIFEOS/MEMORY/SKILLS/execution.jsonl

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