bcquality/tools/authoring-assist.md
dayland c442097d94 Add authoring-assist prototype: suggest article routing signals
Offline, open, suggestion-only tool that reads each knowledge article's
good/bad .al samples + front-matter, proposes a routing 'signals:' block,
and flags declared-domain vs sample-content mismatches. Targets the
zero-signal domains (Style/Breaking Changes/Interfaces/Testing) and the
0-of-207 articles that declare no explicit signals today. Suggests only;
R24 + CI + human review remain the gate.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
2026-07-17 12:03:26 +01:00

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# Authoring-assist: `Suggest-ArticleSignals.ps1` (prototype)
> **Status:** offline/on-demand **prototype**. It **suggests only** — it never edits
> an article. The eventual goal (after team agreement) is to run it as a
> **non-blocking advisory** on every BCQuality PR. This doc describes the prototype.
## Why
Routing quality is capped by how well each knowledge article's front-matter
describes the code it catches. The orchestrator scores a PR diff against
per-article `signals:` (see [`routing-index.md`](./routing-index.md)); an article
with no signal for its domain is only reachable via the expensive catch-all pass.
At prototype time **0 of ~207 articles declared an explicit `signals:` block** and
**5 review domains had zero detection signals** (Style, Breaking Changes,
Interfaces, Testing, appsource ≈ 22% of the corpus). Those gaps won't be closed by
hand at scale, and hand-authoring `signals:` correctly is exactly the precision-
critical work we don't want to guess at. This tool lowers that authoring cost.
## What it does
For each article it reads the article's own co-located `good`/`bad` `.al` samples
plus its front-matter, extracts candidate AL constructs, and emits:
1. **Proposed `signals:` block** — the highest-value constructs that are *not*
already routed to the article's domain by `routing-seed.json`. Constructs are
ranked by: keyword-backed (+3), appears in the `.bad.al` anti-pattern sample
(+2), frequency. Sample-local scaffolding (procedure/object names) and
structural AL vocabulary (types, control-flow, object kinds) are filtered out.
2. **Domain-mismatch flag** — when ≥2 of an article's sample constructs are known
to the seed and they route to a *different* domain than the article declares
(e.g. an `events/` article whose sample is all `TryFunction`/`Error`). A soft
advisory prompting the author to confirm the domain or add a cross-domain signal.
It is **deterministic, offline, and open**: no feedback/telemetry data, so the
community can run it against `community/` and `custom/` layers too.
## Usage
```powershell
# Whole corpus, human-readable report
tools/Suggest-ArticleSignals.ps1
# On-demand, scoped to a folder or a single article (path substring match)
tools/Suggest-ArticleSignals.ps1 -Path knowledge/style
tools/Suggest-ArticleSignals.ps1 -Path avoid-commit-inside-loops
# Only the high-value cases (zero-signal domains + mismatch flags)
tools/Suggest-ArticleSignals.ps1 -OnlyGaps
# Machine-readable (for a future automated PR advisory to consume)
tools/Suggest-ArticleSignals.ps1 -AsJson
```
Key parameters: `-Top <n>` (max signals per article, default 3), `-BCQualityRoot`,
`-SeedPath`.
## Guardrails (why it only suggests)
`domain`/`signals` are precision-critical and human-reviewed. Silent auto-population
would inject the same noise we're trying to remove and would bypass CODEOWNERS
review. So the tool emits a proposal an author eyeballs and adds via a normal PR;
[`validate_frontmatter.py` R24](../.github/scripts/validate_frontmatter.py) + CI +
human review remain the gate. Proposed bare-token blocks satisfy R24 as-is.
## Relationship to the feedback-driven engine (later, Tier-2)
This is the **offline/static (Tier-1)** engine. A complementary **feedback-driven
(Tier-2)** engine — mining `findings.json` for trigger/suppressor/new-article
suggestions — lives in `BC-ALAgentsInternal`, emits aggregate suggestions only, and
is out of scope for this open prototype.
## Path to automation (not yet built)
`-AsJson` output is shaped for a future GitHub Action that posts the suggestions as
a **non-blocking advisory comment** on PRs that add/modify knowledge articles. That
step is deliberately deferred until the team agrees the suggestions are good enough.