chore: remove subdir-resolve workaround plugin (core handles it now)

Review threads live on the whole diff, not on one commit, so none are shown here - a thread's line means something in the branch's final form, and painting it into an intermediate step would put it on code it is not about.

stx-app-components.plugin.tsdeleted+0-16

Changes to stx-app-components.plugin.ts

		@@ -1,16 +0,0 @@
1		-// Registers the app's own `resources/components` tree as a component source.
2		-//
3		-// Why this exists: stx 0.2.72 searches the configured `componentsDir` FLAT —
4		-// only its top level — so subdirectory kebab tags never resolve. Nearly all of
5		-// this app's components live in subdirs (`dashboard/`, `tabs/`), e.g.
6		-// `<site-selector>` → `resources/components/dashboard/SiteSelector.stx`. Without
7		-// this, the whole dashboard renders "Error loading component: ENOENT ...".
8		-//
9		-// Plugin component dirs, unlike `componentsDir`, ARE walked recursively by the
10		-// resolver (the same mechanism that lets `@stacksjs/components/src/ui/**`
11		-// resolve), so pointing one at `resources/components` makes the subdir tags
12		-// resolve again. See stx-components.plugin.ts for the library equivalent.
13		-export default {
14		- name: 'app-components',
15		- components: 'resources/components',
16		-}

stx.config.tsmodified+6-1

Changes to stx.config.ts

		@@ -1,5 +1,10 @@
1	1	export default {
2		- plugins: ['./stx-app-components.plugin.ts', './stx-components.plugin.ts'] as const,
	2	+ // stx-components.plugin registers the @stacksjs/components library (stx does
	3	+ // not auto-resolve it). The app's own resources/components no longer needs a
	4	+ // plugin — stx walks componentsDir recursively since stx@d914f3ab83, so subdir
	5	+ // kebab tags (<site-selector> → components/dashboard/SiteSelector.stx) resolve
	6	+ // natively. (Removed the old stx-app-components.plugin.ts workaround.)
	7	+ plugins: ['./stx-components.plugin.ts'] as const,
3	8	// Paths relative to root ('resources', auto-detected).
4	9	// Don't include the 'resources/' prefix — it's already the root.
5	10	componentsDir: 'components',