fix(ds-v2): revert command token to graphite, undo blue drift

public/offline.html

@@ -34,11 +34,11 @@
         --page-text: #1b2533; /* --text */
         --page-heading: #0a1220; /* --text-heading */
         --page-muted: #55627a; /* --text-muted */
-        --page-accent: #1a66a8; /* --command */
-        --page-accent-hover: #185c99; /* --command-hover */
+        --page-accent: #111827; /* --command */
+        --page-accent-hover: #0b1220; /* --command-hover */
         --page-accent-contrast: #ffffff; /* --command-contrast */
         --page-focus: var(--page-accent); /* --focus command channel */
-        --page-glow: rgb(26 102 168 / 10%); /* command at low alpha */
+        --page-glow: rgb(17 24 39 / 10%); /* command at low alpha */
         --page-shadow: 0 4px 8px rgb(13 40 71 / 5%), 0 32px 56px -20px rgb(13 40 71 / 15%); /* --e4 */
         background: var(--page-background);
         color: var(--page-text);
@@ -135,10 +135,10 @@
           --page-text: #f4f6f8; /* dark --text */
           --page-heading: #fbfcfd; /* dark --text-heading */
           --page-muted: #a8b2bd; /* dark --text-muted */
-          --page-accent: #3a80c0; /* dark --command */
-          --page-accent-hover: #4a91d2; /* dark --command-hover */
-          --page-accent-contrast: #06121e; /* dark --command-contrast */
-          --page-glow: rgb(58 128 192 / 10%);
+          --page-accent: #f5f7f7; /* dark --command */
+          --page-accent-hover: #e6e9e8; /* dark --command-hover */
+          --page-accent-contrast: #0a0c0e; /* dark --command-contrast */
+          --page-glow: rgb(245 247 247 / 10%);
           --page-shadow: inset 0 1px 0 rgb(255 255 255 / 7%), 0 32px 56px -20px rgb(0 0 0 / 64%); /* dark --e4 */
         }
       }

public/sw.js

@@ -7,7 +7,7 @@
  */
 
 const CACHE_PREFIX = "clinical-kb-pwa-";
-const CACHE_VERSION = "2026-08-05-v2";
+const CACHE_VERSION = "2026-08-05-v3";
 const SHELL_CACHE = `${CACHE_PREFIX}shell-${CACHE_VERSION}`;
 const STATIC_CACHE = `${CACHE_PREFIX}static-${CACHE_VERSION}`;
 const STATIC_CACHE_PREFIX = `${CACHE_PREFIX}static-`;

src/app/ckb-v2-tokens.css

@@ -194,7 +194,11 @@
   }
 }
 
-/* Crisp white light shell (#10, #24) + blue command colour (#1, #12).
+/* Crisp white light shell (#10, #24). Command stays graphite, matching the
+   live compatibility layer and docs/redesign/permanent-colour-direction.md —
+   command (CTA) and clinical-accent (evidence/selected/send) are deliberately
+   different roles; a blue command briefly shipped here and collapsed that
+   distinction (reverted per design-system review, 2026-08-05).
    Light is the default on .ckb-v2 itself - never :not(.dark), which matched a
    subtree inside html.dark and overrode the inherited dark values (DS-01). */
 .ckb-v2.ckb-v2 {
@@ -233,9 +237,9 @@
   --decoration-soft: #8894a6;
   --disabled: #9aa5b5;
 
-  --command: #1a66a8;
-  --command-hover: #185c99;
-  --command-active: #164a7a;
+  --command: #111827;
+  --command-hover: #0b1220;
+  --command-active: #080b0f;
   --command-contrast: #ffffff;
   --danger-solid: #a3190f;
   --danger-solid-hover: #85140d;
@@ -334,10 +338,10 @@
   --decoration-soft: #7d8792;
   --border-dashed: #454e57;
 
-  --command: #3a80c0;
-  --command-hover: #4a91d2;
-  --command-active: #1d6fb8;
-  --command-contrast: #06121e;
+  --command: #f5f7f7;
+  --command-hover: #e6e9e8;
+  --command-active: #cbd1d8;
+  --command-contrast: #0a0c0e;
   --danger-solid: #b42318;
   --danger-solid-hover: #d92d20;
   --danger-solid-active: #912018;

tests/pwa-manifest.test.ts

@@ -87,9 +87,16 @@ describe("PWA manifest and public bootstrap resources", () => {
     );
     expect(offlineHtml).toContain('<meta name="theme-color" media="(prefers-color-scheme: dark)" content="#0b0e11" />');
     expect(offlineHtml).toContain("--page-background: #ffffff; /* --background */");
-    expect(offlineHtml).toContain("--page-accent: #1a66a8; /* --command */");
+    expect(offlineHtml).toContain("--page-accent: #111827; /* --command */");
+    expect(offlineHtml).toContain("--page-accent-hover: #0b1220; /* --command-hover */");
+    expect(offlineHtml).toContain("--page-accent-contrast: #ffffff; /* --command-contrast */");
+    expect(offlineHtml).toContain("--page-glow: rgb(17 24 39 / 10%); /* command at low alpha */");
     expect(offlineHtml).toContain("--page-background: #0b0e11; /* dark --background */");
     expect(offlineHtml).toContain("--page-surface: #1c2126; /* dark --surface-raised */");
+    expect(offlineHtml).toContain("--page-accent: #f5f7f7; /* dark --command */");
+    expect(offlineHtml).toContain("--page-accent-hover: #e6e9e8; /* dark --command-hover */");
+    expect(offlineHtml).toContain("--page-accent-contrast: #0a0c0e; /* dark --command-contrast */");
+    expect(offlineHtml).toContain("--page-glow: rgb(245 247 247 / 10%);");
     expect(offlineHtml).not.toContain("#060708");
   });
 
@@ -101,8 +108,8 @@ describe("PWA manifest and public bootstrap resources", () => {
     // value (never reuse a previous one, even for rollbacks) and record the
     // new offline.html hash here.
     const expectedPairing = {
-      cacheVersion: "2026-08-05-v2",
-      offlineHtmlSha256: "ce5e4b73faccfaa69a43d7e29cf13c41f948b6fe6b364797ae321506368cd86c",
+      cacheVersion: "2026-08-05-v3",
+      offlineHtmlSha256: "a681b26a0cbe0c046dc6f694d9f9990946614a11338fd38ec14527cd693f93eb",
     };
 
     const workerSource = readFileSync(join(process.cwd(), "public", "sw.js"), "utf8");