feedback7: DESIGN §27 (docs/history/0.2.2.md) assembled from the streams' drafts — 59 sections, the intro maps them by area, the owner's decisions of 2026-10-08; the DESIGN index row and version line

- Scratch repro references replaced by plain wording. docs-consistency / docs-paths pass.

docs/DESIGN.md

@@ -4,7 +4,7 @@ This is the **single source of truth** for every implementer. Research lives in
 
 Language: player-facing text is **Simplified Chinese** by default, with an English switch since 0.2.0 (§25.2, docs/I18N.md: UI strings through `t('中文')`, game texts from the official Chinese data or the official EN client's). Code, comments and identifiers are English.
 
-Versions: the first public release was **0.1.0** (2026-10-02, the state of §0–§20.15); the releases after it add the player feedback and GitHub reports — 0.1.1 §21, 0.1.2 §22, 0.1.3 §23, 0.1.4 §24 — and **0.2.0** (2026-10-07; `CHANGELOG.md`) the maintainability refactor, two languages, 补位, 自选编队 and their fidelity work — §25 — and **0.2.1** (2026-10-07; `package.json`, `shared/constants.js APP_VERSION`) the 联防 battlefield restored, full potential and the GitHub fixes after it — §26 — and is the state described by this document. The labels v1 / v2 / v2.1–v2.5.2 in §0, §14–§20 and in the BALANCE / SIM comparisons name the design generations and the private playtest builds that came before it; they are kept as history.
+Versions: the first public release was **0.1.0** (2026-10-02, the state of §0–§20.15); the releases after it add the player feedback and GitHub reports — 0.1.1 §21, 0.1.2 §22, 0.1.3 §23, 0.1.4 §24 — and **0.2.0** (2026-10-07; `CHANGELOG.md`) the maintainability refactor, two languages, 补位, 自选编队 and their fidelity work — §25 — and **0.2.1** (2026-10-07; `package.json`, `shared/constants.js APP_VERSION`) the 联防 battlefield restored, full potential and the GitHub fixes after it — §26. The 0.2.2 dev line (`package.json`, `shared/constants.js APP_VERSION`: `0.2.2-dev`) adds §27 and is the state described by this document. The labels v1 / v2 / v2.1–v2.5.2 in §0, §14–§20 and in the BALANCE / SIM comparisons name the design generations and the private playtest builds that came before it; they are kept as history.
 
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@@ -33,3 +33,4 @@ normative lines it rewrote).
 | §24 | [history/0.1.4.md](history/0.1.4.md) | 0.1.4 — community reports after 0.1.3 |
 | §25 | [history/0.2.0.md](history/0.2.0.md) | 0.2.0 |
 | §26 | [history/0.2.1.md](history/0.2.1.md) | 0.2.1 — after the 0.2.0 release |
+| §27 | [history/0.2.2.md](history/0.2.2.md) | 0.2.2 — after the 0.2.1 release |