test(tags): make assertions safe for type-aware lint

Assert tag pill props directly and await the rejected mutation assertion.
Keep the same behavior coverage without unsafe inferred assignments.

Both affected suites pass: 40 API tests and 38 document-tag tests.
Full ESLint and remaining WIP validation gates still need to be rerun.

web/app/components/editor/DocumentTagList.nuxt.test.ts

@@ -211,12 +211,9 @@ describe("<DocumentTagList>", { concurrent: false }, () => {
 		expect(updateCalls).toHaveLength(1)
 		expect(treeCalls).toHaveLength(2)
 		expect(branchCalls).toHaveLength(1)
-		expect(
-			wrapper.findAllComponents(TagPill).map((pill) => ({
-				name: pill.props("name"),
-				color: pill.props("color"),
-			})),
-		).toEqual([{ name: "Live", color: "#f97316" }])
+		expect(wrapper.findAllComponents(TagPill)).toHaveLength(1)
+		expect(wrapper.getComponent(TagPill).props("name")).toBe("Live")
+		expect(wrapper.getComponent(TagPill).props("color")).toBe("#f97316")
 	})
 
 	it("refetches the branch's tags when the server says they changed", async ({

web/app/composables/api/useTagAPI.nuxt.test.ts

@@ -391,12 +391,11 @@ describe("useTagAPI", { concurrent: false }, () => {
 				id: TAG_A,
 				req: { tagName: "Live" },
 			})
-			const rejected = expect(pending).rejects.toThrow()
 			await put.reached
 
 			expect(readTree()).toEqual([original])
 			put.reject(createError({ statusCode: 409 }))
-			await rejected
+			await expect(pending).rejects.toThrow()
 
 			expect(put.calls).toHaveLength(1)
 			expect(treeCalls).toHaveLength(0)