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memory-and-handoff

Office & productivity

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Updated 10-16 08:08

About this skill

Memory & Handoff

Reference Files

Read only what's needed:

  • references/memory-model-and-ownership.md — memory surfaces, ownership, promotion, workflow markers; load when deciding which surface holds a piece of state or who may write it
  • references/memory-operations.md — permission-free operations, router-only persistence, edit patterns; load when actually reading or writing .cc10x/ files
  • references/memory-file-contracts.md — required headings, stable anchors, templates, auto-heal rules; load when creating a memory file or healing a malformed one
  • references/context-budget-and-checkpointing.md — context-budget rules, warning signs, checkpoint triggers; load when context is getting heavy or before a compaction/checkpoint decision

Mode: SESSION MEMORY

Memory is an index, not a transcript. Distill decisions, learnings, references, and verification evidence into durable, reusable notes.

Memory Surfaces

File Holds
.cc10x/activeContext.md current focus, recent changes, decisions, learnings, references, blockers
.cc10x/patterns.md reusable project standards, gotchas, conventions, skill hints
.cc10x/progress.md current workflow, tasks snapshot, completed items, verification evidence
.cc10x/workflows/{wf}.json + .events.jsonl durable orchestration truth (machine-owned, verbatim)
docs/plans/*, docs/research/* detailed artifacts; memory points to them

Ownership

  • Router loads and auto-heals memory files before routing or resume
  • WRITE agents read memory but do NOT edit .cc10x/*.md (sole carve-out: bug-investigator's [DEBUG-N] lines)
  • WRITE agents emit structured MEMORY_NOTES in their Router Contract
  • READ-ONLY agents emit ### Memory Notes (For Workflow-Final Persistence)
  • Router-owned memory-finalize task is the only final writer of memory markdown files
  • Router-owned markers ([DEBUG-RESET: wf:{...}], [cc10x-internal] memory_task_id) are read and respected; agents do not invent replacements

Load (MANDATORY at workflow start)

Read all three: activeContext.md, patterns.md, progress.md.

Re-read before: architectural decisions (patterns.md + activeContext.md ## Decisions), implementation choices (patterns.md + activeContext.md), debugging (all three), planning next steps (progress.md + activeContext.md), claiming completion (progress.md + plan/design/research refs), user says "continue" (all three).

Persist

Emit MEMORY_NOTES in Router Contract:

MEMORY_NOTES:
  learnings: ["Key causal insight"]
  patterns: ["Reusable gotcha or convention"]
  verification: ["`npm test` -> exit 0"]
  deferred: ["Non-blocking follow-up or risk"]

Keep each entry one line — memory reloads every session; each extra line is a recurring tax. Prefer stable nouns over temporary wording. Put verification truth in verification, not prose. Put non-blocking work in deferred, not ad-hoc tasks.

Persist only memory-worthy items: decisions that change direction, learnings that prevent mistakes, verification evidence with commands and exit truth, deferred non-blocking issues, plan/design/research references, clarified user standards.

Do not persist: whole diffs, verbose logs, celebratory narration, "looked correct" without evidence, duplicate notes, raw secrets/PII in outward artifacts.

Secret Redaction (OUTWARD artifacts only)

Before router persists cc10x-authored content into outward artifacts (docs/plans/*, docs/research/*, design docs, persisted memory notes): redact pasted tokens, API keys, connection-strings, credentials, PII. Replace with <redacted:secret> (PII: <redacted:pii>). Keep surrounding constraint intact. When unsure, redact. Does NOT apply to internal machine-owned .cc10x/ orchestration state — that stays verbatim for resume/dedupe keys.

Compaction KEEP / SUMMARIZE / DROP Rubric

Tier What Rule
KEEP user hard-constraints/prohibitions, exact next step, open failures + errors preserve VERBATIM — never paraphrase a constraint or error
SUMMARIZE resolved decisions with rationale, concluded attempts, discovered file/module boundaries distill to one durable line each
DROP decorative prose, step-by-step diary, superseded speculation, redundant prompt retellings discard

Persist user PROHIBITIONS verbatim into workflow artifact's intent field as soon as stated — compaction may fire before router's normal persist.

Project Skill Hints

After loading memory, check patterns.md ## Project SKILL_HINTS. Invoke listed skills when relevant and installed. Treat missing skills as non-fatal. Do not invent skill IDs. Do not edit ## Project SKILL_HINTS directly — surface recommendations in planner output or memory notes.

Mode: HANDOFF PACKAGE

A portable, human-readable export for when the next reader is NOT this cc10x session — a coworker, a different tool, or a clean session with no cc10x router.

cc10x's own resume is structural (.cc10x/ + router rehydrates). The handoff package is the bridge OUT to a reader who cannot read .cc10x/ orchestration state.

Rules

  1. Write to OS temp dir, never into the repo — a repo-committed handoff becomes a stale doc the next reader mistakes for current truth. HANDOFF="${TMPDIR:-/tmp}/handoff-$(date +%Y%m%d-%H%M%S).md". Print the absolute path.
  2. Reference artifacts by path/URL, never paste contents. The next reader has the repo. They need a map, not a copy. Prefer behavioral descriptions over file:line where code may still drift.
  3. Redact secrets and PII before writing. Redact per ### Secret Redaction above.

Contents

Section Holds
Goal one-line objective, verbatim user intent if stated
Current state where things stand, one short paragraph
What's done reference artifacts by path; do not re-narrate
What's next EXACT next step — concrete enough to start cold
Open blockers / failures unresolved errors VERBATIM, failing commands, dead ends tried
Suggested skills / tools which skills the next agent should invoke to continue
Artifacts (by path) plan, diff/PR, key source files with behavioral descriptions

The "suggested skills/tools" pointer is load-bearing: tell the next agent how to continue. If cc10x is present: invoke cc10x-router. If not: name domain skills and point at plan/research docs.

Knowledge Compounding Loop

Memory is not just for context survival — it's for system self-improvement. After every BUILD or DEBUG cycle, structured learnings should compound into reusable knowledge. Memory files (activeContext.md, patterns.md, progress.md) hold session-scoped context; durable, structured learnings that survive across projects and sessions go to docs/solutions/.

The Loop

  1. Capture — During workflow-finalize, the router writes structured learnings from agent MEMORY_NOTES into activeContext.md ## Learnings and patterns.md ## Common Gotchas; learnings that cross the solution-doc threshold (below) are written to docs/solutions/.
  2. Ground — Before starting new work, agents read patterns.md, activeContext.md, and docs/solutions/ to avoid repeating solved problems.
  3. Consolidate — When the same gotcha appears 3+ times in patterns.md, promote it to a solution doc under docs/solutions/.
  4. Refresh — Periodically audit learnings and solution docs with the five-outcome model (below).
  5. Discover — Ensure CLAUDE.md or AGENTS.md points to docs/solutions/ so agents can find it.

When to Write a Solution Doc

After any non-trivial debug or build cycle, the router (during memory-finalize) evaluates whether to write a solution doc:

  • Write if: the problem took 3+ hypotheses (debug attempts) to solve, OR the same defect pattern appears in 3+ files, OR the solution contradicts a documented assumption in patterns.md
  • Skip if: the fix was mechanical (typo, import error, one-line change)
  • Offer neutrally if: the lesson is one sentence (mention in memory notes instead)

Compounding Outcomes

When reviewing prior learnings during memory-finalize (or auditing solution docs), apply one of five outcomes:

Outcome When Action
Keep Learning is still accurate and useful Leave as-is
Update Learning is correct but incomplete Add the missing detail
Consolidate Same lesson appears multiple times Merge into one entry, remove duplicates
Replace Learning is outdated or superseded Replace with the current truth
Delete Learning no longer applies (framework changed, code removed) Remove it

Why this matters: Without consolidation, memory accumulates stale entries that mislead future work. The compounding loop ensures memory gets sharper over time, not just larger.

Solution Doc Format

# [Problem Title]
Category: [debugging | architecture | testing | workflow | conventions]
Tags: [comma-separated]
Date: YYYY-MM-DD

## Problem
[What went wrong — symptoms, not just the error message]

## What Didn't Work
[Hypotheses that failed and why]

## Solution
[What actually worked — with code example if applicable]

## Why
[Why the solution works — the underlying principle]

## Prevention
[How to prevent this class of problem in the future]