feat(artifacts): view templates get the view-template role (#208)

[rahlk]

Closes #208.

What

Every view template in a project landed in application.artifacts{} with roles: ["unknown"], so a consumer asking "what are this application's views?" had to re-derive the answer from extensions the analyzer had already inspected.

New rows in src/artifacts/rules.ts:

pattern	format	roles
*.ejs	ejs	view-template
*.hbs, *.handlebars	handlebars	view-template
*.pug	pug	view-template
*.njk	nunjucks	view-template
*.liquid	liquid	view-template
*.vue	vue	view-template
*.svelte	svelte	view-template
*.astro	astro	view-template
**/views/**/*.{html,htm}, **/templates/**/*.{html,htm}	html	view-template

The name is adopted, not coined

view-template is codeanalyzer-java's, from its JSP/JSPX/JSPF/tag/xhtml/Thymeleaf rows in ArtifactDiscovery.java. Java shipped it first, so under the parity clause this repo adopts the spelling verbatim rather than coining a second one — which is exactly the risk #208's own caveat flagged. Recorded in .claude/SCHEMA_DECISIONS.md.

Java's .html policy is adopted with the name: a bare *.html matches no rule and stays unknown, because a static page and a rendered template are not distinguishable by file name and public/index.html is an asset. There is deliberately no bare *.html catch row — matchRules unions roles across every matching rule, so one would ride unknown along on the convention-directory rows.

.vue/.svelte/.astro carry the role and remain artifacts only. That is what makes this independent of #209: artifacts and modules are disjoint by construction, so a .vue that later also yields a symbol_table module needs no re-decision of its role.

No contract move

roles[] is an existing string[] gaining new values — the same class of change as a new framework value in the entrypoint pass. No new field, node label, edge type or property. bun run gen:schema leaves schema.neo4j.json byte-identical; SCHEMA_VERSION unmoved at 2.1.0.

Gates

• bun test — 373 pass / 8 skip / 0 fail (4 new)
• bun run typecheck — clean
• bun run gen:schema — schema.neo4j.json byte-identical

Propagation verdict

codeanalyzer-python — codeanalyzer/artifacts/discovery.py's RULES has no template row, so Jinja/Django templates (templates/**/*.html, *.jinja, *.j2) are unknown there. It adopts view-template too; follow-on issue filed.