v0.34.0 doc sweep and update

cmd/lwconf/lwconf.js

@@ -55,7 +55,7 @@ export function fields(schema, role, type) {
   const rows = (keys, prefix) => keys.map(key => {
     const path = prefix + key.key;
     if (Array.isArray(key.keys)) return { path, key, rows: rows(key.keys, path + ".") };
-    return { path, key, placeholder: key.zero ? `(${key.zero})` : (key.default ?? key.hint ?? "") };
+    return { path, key, placeholder: key.default ?? (key.zero ? `(${key.zero})` : (key.hint ?? "")) };
   });
   return rows(plugin?.keys ?? schema.flow.find(s => s.key === role)?.keys ?? [], "");
 }

cmd/lwconf/lwconf.test.mjs

@@ -152,6 +152,7 @@ test("fields are a node's keys, its tables' of the plugin's side as groups", ()
   assert.deepEqual(rows.find(r => r.path === "port").key.max, 65535);
   assert.equal(fields(schema, "rate_limit").find(r => r.path === "entries_per_second").placeholder, "(off)");
   assert.equal(fields(schema, "heartbeat").find(r => r.path === "interval_ms").placeholder, "1000");
+  assert.equal(fields(schema, "sink", "file").find(r => r.path === "retention_hours").placeholder, "168");
 });
 
 test("a refused call answers why and where, and the engine keeps answering", () => {