PLAN.md

@@ -1622,6 +1622,17 @@ a mechanism rather than diligence:
   replaceable by a file copy, and that promise survives exactly as long as nobody types the address
   into a paragraph. Same argument as `checkTokens.mjs` and colour literals — the check is the
   mechanism, diligence is not.
+
+  **All three network checks read a file through Gitea's `contents` endpoint, never `raw`** —
+  `checkFacts.mjs`, `checkQuickstart.mjs`, `checkReference.mjs`. Phase 12b found the reason.
+  `raw` answers with `Cache-Control: public, max-age=21600`, so the CDN in front of Gitea keeps
+  a copy for six hours: on cutover day this check read `website`'s `version.js` from a fortnight
+  earlier and failed the site for saying Module API 1.9.0 when `main` said 1.6.0 — except that
+  `main` said 1.9.0, and nothing anyone could edit here would have made it pass. `contents`
+  answers `private, must-revalidate` and is not cached, at the cost of a base64 decode. Same
+  argument as `checkLinks.mjs` fetching nothing: a check that goes red on someone else's
+  infrastructure is a check people learn to ignore, and one that goes red on a stale copy is
+  worse — it is indistinguishable from the failure it exists to report.
 - **`scripts/checkLinks.mjs`** — every internal link resolves; every outbound link into a
   `RunicGateway` repo points at a branch path, not a commit permalink. **Built in phase 4** (D23),
   and it reads `dist/client` rather than `src/`: half the links these pages carry are assembled from

scripts/checkFacts.mjs

@@ -60,8 +60,28 @@ async function api(pathname) {
   return res;
 }
 
-const raw = async (repo, filePath, ref) =>
-  (await api(`${repo}/raw/${filePath}?ref=${encodeURIComponent(ref)}`)).text();
+/**
+ * A file's bytes, read through the `contents` endpoint rather than `raw`.
+ *
+ * `raw` answers with `Cache-Control: public, max-age=21600`, so the CDN in front of Gitea
+ * serves a copy for six hours and this check can read a blob most of a working day old.
+ * That is not theoretical: on the day of the engagement cutover it reported website's
+ * MODULE_API_VERSION as 1.6.0 -- the value from two weeks earlier -- and failed a site
+ * whose number was right. A check that goes red on stale data is a check people learn to
+ * ignore, which is the one failure mode this file exists to avoid.
+ *
+ * `contents` answers `private, must-revalidate`, which the CDN does not cache, so it is
+ * always the ref's current blob. The cost is a JSON parse and a base64 decode.
+ */
+async function raw(repo, filePath, ref) {
+  const meta = await json(`${repo}/contents/${filePath}?ref=${encodeURIComponent(ref)}`);
+  if (meta.encoding !== 'base64' || typeof meta.content !== 'string') {
+    throw new Error(
+      `${repo}:${filePath}@${ref} did not come back as a base64 file (encoding ${meta.encoding}).`
+    );
+  }
+  return Buffer.from(meta.content, 'base64').toString('utf8');
+}
 
 const json = async (pathname) => (await api(pathname)).json();
 

scripts/checkQuickstart.mjs

@@ -55,12 +55,18 @@ const checked = [];
 const ok = (what) => checked.push(what);
 const fail = (what, detail) => failures.push({ what, detail });
 
-/** Same raw-file accessor checkFacts.mjs uses, and for the same reason. */
+/** Same file accessor checkFacts.mjs uses, and for the same reason -- including the CDN one. */
 async function raw(repo, filePath, ref) {
-  const url = `${BASE}/api/v1/repos/${ORG}/${repo}/raw/${filePath}?ref=${encodeURIComponent(ref)}`;
+  const url = `${BASE}/api/v1/repos/${ORG}/${repo}/contents/${filePath}?ref=${encodeURIComponent(ref)}`;
   const res = await fetch(url, { headers: { Authorization: `token ${TOKEN}` } });
   if (!res.ok) throw new Error(`${res.status} ${res.statusText} for ${url}`);
-  return res.text();
+  const meta = await res.json();
+  if (meta.encoding !== 'base64' || typeof meta.content !== 'string') {
+    throw new Error(
+      `${repo}:${filePath}@${ref} did not come back as a base64 file (encoding ${meta.encoding}).`
+    );
+  }
+  return Buffer.from(meta.content, 'base64').toString('utf8');
 }
 
 /**

scripts/checkReference.mjs

@@ -53,12 +53,18 @@ const checked = [];
 const ok = (what) => checked.push(what);
 const fail = (what, detail) => failures.push({ what, detail });
 
-/** Same raw-file accessor checkFacts.mjs and checkQuickstart.mjs use. */
+/** Same file accessor checkFacts.mjs and checkQuickstart.mjs use, CDN caveat included. */
 async function raw(repo, filePath, ref = 'main') {
-  const url = `${BASE}/api/v1/repos/${ORG}/${repo}/raw/${filePath}?ref=${encodeURIComponent(ref)}`;
+  const url = `${BASE}/api/v1/repos/${ORG}/${repo}/contents/${filePath}?ref=${encodeURIComponent(ref)}`;
   const res = await fetch(url, { headers: { Authorization: `token ${TOKEN}` } });
   if (!res.ok) throw new Error(`${res.status} ${res.statusText} for ${url}`);
-  return res.text();
+  const meta = await res.json();
+  if (meta.encoding !== 'base64' || typeof meta.content !== 'string') {
+    throw new Error(
+      `${repo}:${filePath}@${ref} did not come back as a base64 file (encoding ${meta.encoding}).`
+    );
+  }
+  return Buffer.from(meta.content, 'base64').toString('utf8');
 }
 
 /**

src/content/docs/docs/architecture/protocol-versions.mdx

@@ -4,12 +4,13 @@ description: One number, declared in three repositories, that decides whether a
 ---
 
 import { Aside } from '@astrojs/starlight/components';
+import platform from '../../../../data/platform.json';
 
 The loopback wire protocol between the game plugin and the sidecar is a **versioned
 compatibility contract**, not a build dependency. Nothing compiles the three sides together,
 so the number is what stops a mismatch from being discovered as corrupted data.
 
-The current protocol is **4**.
+The current protocol is **{platform.protocol}**.
 
 ## Three declaration sites
 
@@ -17,8 +18,8 @@ The same number is written down in three places, and they must move together.
 
 | Where | What declares it |
 |---|---|
-| `link/sidecar/src/main.rs` | `pub const PROTOCOL_VERSION: u32 = 4` — what the sidecar speaks |
-| `servuo-plugins/overlay.toml` | `protocol = 4` — what the plugin overlay speaks |
+| `link/sidecar/src/main.rs` | `PROTOCOL_VERSION`, currently {platform.protocol} — what the sidecar speaks |
+| `servuo-plugins/overlay.toml` | `protocol`, currently {platform.protocol} — what the plugin overlay speaks |
 | The bundle manifest | Copied from `overlay.toml` by CI, so a released pair carries its own claim |
 
 <Aside type="caution" title="Bump the overlay in the same PR as the emitters">
@@ -44,19 +45,19 @@ allowed to be chosen independently.
 
 ## What a bump obliges
 
-Changing a message shape means editing every side plus the specification. A protocol-4
-change touched:
+Changing a message shape means editing every side plus the specification. The most recent
+bump touched:
 
 | Repository | What had to change |
 |---|---|
 | `servuo-plugins` | The emitters, the config keys, and `overlay.toml` |
-| `link` | `PROTOCOL_VERSION`, a store migration, and the projections |
+| `link` | `PROTOCOL_VERSION`, and the projections |
 | `module-uo` | The tables, the ingest, and the kind-to-feature map |
 | `docs` | The protocol document and the integration guide |
 
-Note `link`'s entry: **a protocol bump can require a store migration**, because the sidecar
-persists what it forwards. That is not automatic, and version 4 was the first bump that
-needed one.
+**A protocol bump can also require a store migration**, because the sidecar persists what it
+forwards. That is not automatic — version 4 needed one and version 5 did not, because
+version 5 only widened frames the store already keeps whole.
 
 ## This is not the module API version
 
@@ -92,8 +93,10 @@ What is worth inheriting is the **shape**:
 
 ## Canonical documents
 
+[`link/v5.md`](https://gitea.whitlocktech.com/RunicGateway/docs/src/branch/main/link/v5.md)
+is the current protocol's record, including its cross-repository obligations, and
 [`link/v4.md`](https://gitea.whitlocktech.com/RunicGateway/docs/src/branch/main/link/v4.md)
-is the protocol-4 record, including its cross-repository obligations;
+the one before it;
 [`link/PLAN.md`](https://gitea.whitlocktech.com/RunicGateway/docs/src/branch/main/link/PLAN.md)
 §7 is the wire protocol, and
 [`link/INTEGRATION.md`](https://gitea.whitlocktech.com/RunicGateway/docs/src/branch/main/link/INTEGRATION.md)

src/data/platform.json

@@ -12,23 +12,23 @@
     "wrong protocol number in the first place."
   ],
 
-  "verifiedOn": "2026-08-19",
+  "verifiedOn": "2026-09-01",
 
-  "protocol": 4,
+  "protocol": 5,
 
-  "moduleApi": "1.6.0",
+  "moduleApi": "1.9.0",
 
   "bundle": {
-    "tag": "2026.08.19",
-    "sidecar": "v2.0.0",
-    "overlay": "v1.0.0",
+    "tag": "2026.09.01",
+    "sidecar": "v2.1.0",
+    "overlay": "v1.1.0",
     "servuoMin": "57.4"
   },
 
   "releases": {
-    "link": "v2.0.0",
+    "link": "v2.1.0",
     "installer": "v0.1.1",
-    "Module-uo": "v1.0.2",
+    "Module-uo": "v1.1.0",
     "Android-app": "v0.5.0"
   },