chore: fix oxlint disable comment and add knip to pre-commit

Block-style disable/enable survives line insertions, preventing drift.
Knip in pre-commit gives parity with CI.

Author: connorads

hk.pkl

@@ -19,6 +19,9 @@ hooks {
 			["tsc"] {
 				check = "pnpm exec tsc --noEmit"
 			}
+			["knip"] {
+				check = "pnpm run lint:knip"
+			}
 		}
 	}
 	["commit-msg"] {

src/serve.ts

@@ -316,11 +316,12 @@ export async function serve(
 
 	if (manifestJson !== null) {
 		app.get('/manifest.json', (c) => {
-			// oxlint-disable-next-line typescript/consistent-type-assertions -- JSON.parse returns unknown, safe for manifest
+			/* oxlint-disable typescript/consistent-type-assertions -- JSON.parse returns unknown, safe for manifest */
 			return withSecurityHeaders(
 				c.json(JSON.parse(manifestJson) as Record<string, unknown>),
 				securityHeaders,
 			)
+			/* oxlint-enable typescript/consistent-type-assertions */
 		})
 	}