0.2.6: version 0.2.6 — package.json / package-lock.json / APP_VERSION (DEV_BUILD turns false), README release form and current-version line, CHANGELOG 0.2.6 — 2026-10-13, DESIGN versions line and index, §31 header

docs/history/0.2.6.md

@@ -1,10 +1,10 @@
-# DESIGN §31 — 0.2.6-dev
+# DESIGN §31 — 0.2.6
 
-Part of [DESIGN.md](../DESIGN.md). Development after the 0.2.5 release.
+Part of [DESIGN.md](../DESIGN.md). This chapter records 0.2.6, released on 2026-10-13.
 
 ## 31. Host bandwidth (layers 0 and 1) and community follow-up
 
-Unreleased. The maintainer's decision of 2026-10-12 on the bandwidth study (its measurements: a new player's first match costs the
+The maintainer's decision of 2026-10-12 on the bandwidth study (its measurements: a new player's first match costs the
 host about 52 MB, audio ≈ 40 % of it; returning players re-download after a re-extraction, a `setup --force`, a Docker
 rebuild or a changed tunnel address): do layer 0 (small fixes) and layer 1 (content-hashed URLs, long caching, brotli)
 first. Later layers (WebP / Opus variants, an asset-only service worker, a desktop client mode, importing an asset pack in