plant: private Cargill Gouda tracker (/trackers/cargill)

Owner-only tracker for learning the Cargill Bioindustrial plant in Gouda:
schema plant (entries, links with confidence, pending refs), plant.apply_entries
bulk import, overview with clusters and flow diagram, kind tabs, glossary,
questions, detail pages and owner inline editing. Docs in docs/plant-tracker.md.

src/lib/server/owner.test.ts

@@ -43,6 +43,14 @@ describe('owner gate', () => {
 		expect(isOwnerOnlyPath('/trackers/math/__data.json')).toBe(MATH_PRIVATE);
 		expect(isOwnerWritePath('/trackers/math')).toBe(true);
 	});
+	it('gates the whole cargill plant tracker, reads and writes', () => {
+		expect(isOwnerOnlyPath('/trackers/cargill')).toBe(true);
+		expect(isOwnerOnlyPath('/trackers/cargill/__data.json')).toBe(true);
+		expect(isOwnerOnlyPath('/trackers/cargill/process-step/cleaning')).toBe(true);
+		expect(isOwnerOnlyPath('/trackers/cargillx')).toBe(false);
+		expect(isOwnerWritePath('/trackers/cargill')).toBe(true);
+		expect(isOwnerWritePath('/trackers/cargill/glossary/ester')).toBe(true);
+	});
 	it('only lets the owner write in owner areas', () => {
 		expect(isOwnerWritePath('/trackers/books/12')).toBe(true);
 		expect(isOwnerWritePath('/trackers/books')).toBe(true);