theme color persist

client/src/components/AppShell.tsx

@@ -191,9 +191,7 @@ export function AppShell() {
       <div className="mx-auto flex w-full max-w-[1760px] gap-3 2xl:gap-4">
         <aside className="hidden w-72 shrink-0 flex-col rounded-[22px] border border-line/70 bg-surface/90 p-4 shadow-panel backdrop-blur md:flex 2xl:w-80">
           <div>
-            <div className="text-xs font-semibold uppercase tracking-[0.24em] text-muted">MRP Codex</div>
-              <h1 className="mt-2 text-xl font-extrabold text-text">Manufacturing foundation</h1>
-            <p className="mt-2 text-sm text-muted">Single-tenant platform shell with branding, auth, file storage, and planning foundations.</p>
+            <h1 className="text-xl font-extrabold uppercase tracking-[0.24em] text-text">CODEXIUM</h1>
           </div>
           <nav className="mt-6 space-y-2">
             {links.map((link) => (

client/src/tests/theme.test.tsx

@@ -1,10 +1,16 @@
-import { fireEvent, render, screen } from "@testing-library/react";
-import { describe, expect, it } from "vitest";
+import { fireEvent, render, screen, waitFor } from "@testing-library/react";
+import { beforeEach, describe, expect, it } from "vitest";
 
 import { ThemeProvider } from "../theme/ThemeProvider";
 import { ThemeToggle } from "../components/ThemeToggle";
 
 describe("ThemeToggle", () => {
+  beforeEach(() => {
+    window.localStorage.clear();
+    document.documentElement.removeAttribute("style");
+    document.documentElement.classList.remove("dark");
+  });
+
   it("toggles the html dark class", () => {
     render(
       <ThemeProvider>
@@ -16,5 +22,31 @@ describe("ThemeToggle", () => {
 
     expect(document.documentElement.classList.contains("dark")).toBe(true);
   });
-});
 
+  it("hydrates persisted brand theme values on startup", async () => {
+    window.localStorage.setItem(
+      "mrp.theme.brand-profile",
+      JSON.stringify({
+        theme: {
+          primaryColor: "#112233",
+          accentColor: "#445566",
+          surfaceColor: "#778899",
+          fontFamily: "Manrope",
+        },
+      })
+    );
+
+    render(
+      <ThemeProvider>
+        <div>Theme</div>
+      </ThemeProvider>
+    );
+
+    await waitFor(() => {
+      expect(document.documentElement.style.getPropertyValue("--color-brand")).toBe("17 34 51");
+      expect(document.documentElement.style.getPropertyValue("--color-accent")).toBe("68 85 102");
+      expect(document.documentElement.style.getPropertyValue("--color-surface-brand")).toBe("119 136 153");
+      expect(document.documentElement.style.getPropertyValue("--font-family")).toBe("Manrope");
+    });
+  });
+});

client/src/theme/ThemeProvider.tsx

@@ -13,6 +13,14 @@ interface ThemeContextValue {
 
 const ThemeContext = createContext<ThemeContextValue | null>(null);
 const storageKey = "mrp.theme.mode";
+const brandProfileKey = "mrp.theme.brand-profile";
+
+function applyThemeVariables(profile: Pick<CompanyProfileDto, "theme">) {
+  document.documentElement.style.setProperty("--color-brand", hexToRgbTriplet(profile.theme.primaryColor));
+  document.documentElement.style.setProperty("--color-accent", hexToRgbTriplet(profile.theme.accentColor));
+  document.documentElement.style.setProperty("--color-surface-brand", hexToRgbTriplet(profile.theme.surfaceColor));
+  document.documentElement.style.setProperty("--font-family", profile.theme.fontFamily);
+}
 
 export function ThemeProvider({ children }: { children: React.ReactNode }) {
   const [mode, setMode] = useState<ThemeMode>(() => {
@@ -20,6 +28,20 @@ export function ThemeProvider({ children }: { children: React.ReactNode }) {
     return stored === "dark" ? "dark" : "light";
   });
 
+  useEffect(() => {
+    const storedBrandProfile = window.localStorage.getItem(brandProfileKey);
+    if (!storedBrandProfile) {
+      return;
+    }
+
+    try {
+      const parsed = JSON.parse(storedBrandProfile) as Pick<CompanyProfileDto, "theme">;
+      applyThemeVariables(parsed);
+    } catch {
+      window.localStorage.removeItem(brandProfileKey);
+    }
+  }, []);
+
   useEffect(() => {
     document.documentElement.classList.toggle("dark", mode === "dark");
     document.documentElement.style.colorScheme = mode;
@@ -31,10 +53,8 @@ export function ThemeProvider({ children }: { children: React.ReactNode }) {
       return;
     }
 
-    document.documentElement.style.setProperty("--color-brand", hexToRgbTriplet(profile.theme.primaryColor));
-    document.documentElement.style.setProperty("--color-accent", hexToRgbTriplet(profile.theme.accentColor));
-    document.documentElement.style.setProperty("--color-surface-brand", hexToRgbTriplet(profile.theme.surfaceColor));
-    document.documentElement.style.setProperty("--font-family", profile.theme.fontFamily);
+    applyThemeVariables(profile);
+    window.localStorage.setItem(brandProfileKey, JSON.stringify({ theme: profile.theme }));
   };
 
   const value = useMemo(