ckb/wiki/log.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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# Wiki Change Log
All modifications to the local `wiki/` directory are recorded here
in reverse chronological order (most recent first).
Each entry uses this format:
```markdown
## [YYYY-MM-DD HH:MM] - [ACTION TYPE]
- **File Affected:** `wiki/path/to/file.md`
- **Description:** Brief summary of what knowledge or structure changed.
- **Source:** Chat conversation, raw file, URL, or skill name.
---
```
Changes to pages under `wiki/decisions/` live in `wiki/decisions/log.md`
instead, per the Recursive Index & Log Convention.
## [2026-09-21 22:41] - UPDATE (schema 1.4 -> 1.5)
- **File Affected:** `wiki/index.md`
- **Description:** Bumped `kb_schema_version` to `"1.5"`, which adds the reserved body sections (`## Sources`, `## Crux`, `## Notes`), the `source_fingerprint`/`source_checked` frontmatter fields, and a completed edge vocabulary. Additive only — every 1.4 page remains valid.
- **Source:** Chat conversation (analysis of trailhq/Graft), branch `graft-ideas`.
---
## [2026-09-21 22:41] - RESTRUCTURE
- **File Affected:** `wiki/graph/index.md`
- **Description:** Replaced the prose edge list with a closed vocabulary table defining each verb by the question it answers, and added the missing `part_of` (written by `ckb-code-map` but previously undocumented) plus `produces`, `configures`, `validates`, `implements`. Added conventions on edge direction, evidence-only edges, and in-degree as a retrieval signal.
- **Source:** Chat conversation (analysis of trailhq/Graft), branch `graft-ideas`.
---
## [2026-09-21 22:41] - UPDATE
- **File Affected:** `wiki/overview.md`
- **Description:** Documented the two new frontmatter fields and added a "Reserved Page Sections" section covering `## Sources`, `## Crux`, and the protected `## Notes`.
- **Source:** Chat conversation (analysis of trailhq/Graft), branch `graft-ideas`.
---