ckb/wiki/index.md
Michał Kopeć 474630e2bb Adopt seven ideas from trailhq/Graft; schema 1.4 -> 1.5
Graft keeps a derived, disposable code graph in sync with a content hash
rather than a calendar, and keeps a protected block on every regenerated
node. This KB is the opposite kind of store — durable, curated, built from
material that cannot be regenerated — but several of Graft's mechanisms
port cleanly, and two of them close real gaps here.

Schema 1.5 is additive: every 1.4 page remains valid.

1. `## Crux` — verbatim source excerpts alongside the synthesis. A summary
   can drift silently; a quote either still matches its source or it does
   not. Lets `ckb-retrieve` ground an answer without a round-trip to the
   archive, and makes drift mechanically detectable.
2. `## Notes` — human-authored and protected everywhere. Closes a real
   gap: `ckb-index-external` regenerates connector pages wholesale, so an
   annotation written there was previously destroyed on the next refresh.
3. `source_fingerprint`/`source_checked` — a digest of the material a page
   was built from. Freshness by date says a page has aged; a fingerprint
   says whether its evidence moved. Most valuable for connector-backed
   libs, where documents change with no notice.
4. `lint_report.py --quick` — a deterministic one-line session-start
   signal, wired into Rule E next to the existing `git status` check.
5. In-degree as a rank-fusion signal in `ckb-retrieve`, weighted below 1.0:
   centrality is a prior, not evidence.
6. Blast radius — a new `ckb-ingest` step walking the graph backwards from
   touched entities to find what the incoming material contradicts, before
   writing anything. Ingest was additive-first, which is how a wiki
   accumulates two pages that quietly disagree.
7. Edge vocabulary in `wiki/graph/index.md` rewritten as a question per
   verb, and completed: `part_of` was written by `ckb-code-map` but never
   declared. Added `produces`, `configures`, `validates`, `implements`.

Lint gains checks 12 (fingerprint drift), 13 (crux verbatimness) and 14
(the protected-Notes rule), verified against a synthetic fixture covering
stale digests, missing sources, fabricated quotes and paraphrased evidence.

Not adopted: the gitignored regenerable store, the MCP server and CLI
daemon, tree-sitter parsing, statusline hooks, telemetry.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-09-21 22:44:26 +02:00

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Markdown

---
kb_schema_version: "1.5"
---
# Knowledge Base Index
> Routing table: read the **Use when** column to decide if a page is relevant.
| Page | Description | Use when |
|------|-------------|----------|
| [Overview](overview.md) | High-level map of the knowledge base | Getting started, understanding the structure |
| [Log](log.md) | Chronological record of root-level changes | Reviewing recent modifications |
| [Error Book](error-book.md) | Known compilation errors and fixes | Debugging a bad ingest or lint issue |
| [Projects](projects/index.md) | Optional local query scopes grouping related wiki pages, sources, libs, and graph areas | Narrowing search to a team, topic, client, system, or initiative |
| [Query Gaps](query-gaps.md) | Questions the wiki could not answer yet, used to drive demand-driven ingest | Tracking failed searches, missing knowledge, future ingest targets |
| [Decisions](decisions/index.md) | Numbered decision records — what was decided, by whom, when, why, and what it superseded | Asking why something is the way it is, who decided it, when, what changed it, or what is still open |
| [Entities](entities/index.md) | Typed entity pages (people, projects, libraries, concepts) | Looking up a specific person, project, library, or concept |
| [Graph](graph/index.md) | Edge lists and relationship data between entities | Finding what depends on / relates to a given entity |
## Entity Pages
Pages in `entities/` describe typed entities (people, projects, libraries, concepts)
extracted during ingest. See [Entities index](entities/index.md) /
[[entities/index]] for the full list. Each links to related entities via the
graph index.
*(Agent populates this as entities are extracted.)*
## Decision Records
Pages in `decisions/` are numbered decision records (`NNNN-slug.md`). Unlike
entity pages, they are append-only: a decision is never rewritten to match a
later change of mind — a new decision supersedes it and both stay on the
record. See [Decisions index](decisions/index.md) /
[[decisions/index]]. Say "record a decision" to add one.