diff --git a/apps/web/src/app/globals.css b/apps/web/src/app/globals.css
index f7a75f9..210c39e 100644
--- a/apps/web/src/app/globals.css
+++ b/apps/web/src/app/globals.css
@@ -180,6 +180,11 @@ button {
   font-family: var(--font-mono);
   font-variant-numeric: tabular-nums;
   cursor: help;
+  /* Full 40-char commit hashes, and two of them when the tiers disagree. Hex
+     offers no break opportunity, so without this the line pushes the page into
+     horizontal scroll on a phone. */
+  min-width: 0;
+  overflow-wrap: anywhere;
 }
 .shell-footer-warn {
   color: var(--negative);
diff --git a/apps/web/src/components/AppShell.tsx b/apps/web/src/components/AppShell.tsx
index 0c816c9..a1df301 100644
--- a/apps/web/src/components/AppShell.tsx
+++ b/apps/web/src/components/AppShell.tsx
@@ -4,7 +4,7 @@ import { useEffect, useRef, useState, type ReactNode } from "react";
 import { usePathname, useRouter } from "next/navigation";
 import Link from "next/link";
 import { getApiVersion, logout, me, updateUiScale, type ServiceVersion } from "@/lib/api";
-import { shortSha, webBuildInfo } from "@/lib/build-info";
+import { webBuildInfo } from "@/lib/build-info";
 import { AuthContext, can } from "@/lib/abilities";
 import { ROLE_LABEL } from "@/lib/labels";
 import {
@@ -217,12 +217,16 @@ function BuildFooter() {
   return (
     <footer className="shell-footer">
       <span>Jorge Cuadros &amp; Asociados</span>
+      {/* The FULL 40-char commit, not an abbreviation: this line exists to be
+          pasted into `git show` or compared against a registry tag, and a
+          7-char prefix makes both a manual step. It is what GIT_SHA already
+          carries — build.yml bakes in `github.sha` whole. */}
       <span
         className="shell-footer-build"
-        title={`web ${web.version} (${shortSha(web.gitSha)}) — ${web.buildDate}`}
+        title={`web ${web.version} (${web.gitSha}) — ${web.buildDate}`}
       >
-        v{web.version} · {shortSha(web.gitSha)}
-        {mismatch && api ? ` · API ${shortSha(api.gitSha)}` : ""}
+        v{web.version} · {web.gitSha}
+        {mismatch && api ? ` · API ${api.gitSha}` : ""}
       </span>
       {mismatch && (
         <span className="shell-footer-warn" role="status">
diff --git a/apps/web/src/lib/build-info.ts b/apps/web/src/lib/build-info.ts
index 1167e14..c0e1f94 100644
--- a/apps/web/src/lib/build-info.ts
+++ b/apps/web/src/lib/build-info.ts
@@ -35,8 +35,3 @@ export function webBuildInfo(): BuildInfo {
   const injected = (window as { __APP_BUILD__?: BuildInfo }).__APP_BUILD__;
   return injected ?? UNKNOWN_BUILD;
 }
-
-/** First 7 chars, the length git itself abbreviates to. */
-export function shortSha(sha: string): string {
-  return sha === "unknown" ? sha : sha.slice(0, 7);
-}