diff --git a/apps/web/partials/bounties/board-bounty-card.tsx b/apps/web/partials/bounties/board-bounty-card.tsx
index caf61772ff..ce2078570f 100644
--- a/apps/web/partials/bounties/board-bounty-card.tsx
+++ b/apps/web/partials/bounties/board-bounty-card.tsx
@@ -7,23 +7,14 @@ import { statusKeyForId } from '~/core/bounties/labels';
 import type { BoardBounty } from '~/core/bounties/types';
 import type { SpaceBounty } from '~/core/community/bounty-types';
 
-import {
-  AVAILABLE_CARD_HEIGHT_PX,
-  AvailableBountyCard,
-  BountyCard,
-  InProgressBountyCard,
-} from '~/partials/community-tab/bounty-card';
+import { AvailableBountyCard, BountyCard, InProgressBountyCard } from '~/partials/community-tab/bounty-card';
 
-/**
- * The board mixes statuses in one grid, so every card gets the same HEIGHT —
- * the available card's, the tallest of the three. Width is fluid: cards fill
- * whatever column the grid gives them (a fixed width is what put the
- * Community-tab grids one column short; see bounty-card's cardStyle).
- */
-export const BOARD_CARD_HEIGHT_PX = AVAILABLE_CARD_HEIGHT_PX;
+import { BOARD_CARD_HEIGHT_PX } from './board-layout';
 
-/** Same column threshold as the Community tab's available grid. */
-export const BOARD_GRID_CLASS = 'grid grid-cols-[repeat(auto-fill,minmax(min(340px,100%),1fr))] gap-4';
+// Declared in `board-layout.ts`, which carries no `'use client'`, because `app/bounties/loading.tsx`
+// renders the skeleton on the server and puts the grid class into a `className`. Re-exported here so
+// every existing importer keeps working.
+export { BOARD_CARD_HEIGHT_PX, BOARD_GRID_CLASS } from './board-layout';
 
 /**
  * The interest bindings an available card needs, lifted to the grid so one
diff --git a/apps/web/partials/bounties/board-layout.ts b/apps/web/partials/bounties/board-layout.ts
new file mode 100644
index 0000000000..33f4df9931
--- /dev/null
+++ b/apps/web/partials/bounties/board-layout.ts
@@ -0,0 +1,23 @@
+import { AVAILABLE_CARD_HEIGHT_PX } from '~/partials/community-tab/bounty-card-layout';
+
+/**
+ * How the board lays itself out, apart from the cards that fill it.
+ *
+ * Its own module, with no `'use client'`, because `app/bounties/loading.tsx` is a Server Component
+ * and `BountyBoardSkeleton` puts {@link BOARD_GRID_CLASS} straight into a `className`. Read out of
+ * `board-bounty-card.tsx` — a client module — the class arrived as a client reference and the
+ * loading grid rendered with no grid at all until hydration replaced it.
+ *
+ * `board-bounty-card.tsx` re-exports both, so nothing that already imports them from there had to
+ * change.
+ */
+
+/**
+ * The board mixes statuses in one grid, so every card gets the same HEIGHT — the available card's,
+ * the tallest of the three. Width is fluid: cards fill whatever column the grid gives them (a fixed
+ * width is what put the Community-tab grids one column short; see bounty-card's cardStyle).
+ */
+export const BOARD_CARD_HEIGHT_PX = AVAILABLE_CARD_HEIGHT_PX;
+
+/** Same column threshold as the Community tab's available grid. */
+export const BOARD_GRID_CLASS = 'grid grid-cols-[repeat(auto-fill,minmax(min(340px,100%),1fr))] gap-4';
diff --git a/apps/web/partials/bounties/bounty-board-skeleton.tsx b/apps/web/partials/bounties/bounty-board-skeleton.tsx
index cc45c951bf..c5e267f2f8 100644
--- a/apps/web/partials/bounties/bounty-board-skeleton.tsx
+++ b/apps/web/partials/bounties/bounty-board-skeleton.tsx
@@ -1,6 +1,6 @@
 import { Skeleton } from '~/design-system/skeleton';
 
-import { BOARD_CARD_HEIGHT_PX, BOARD_GRID_CLASS } from './board-bounty-card';
+import { BOARD_CARD_HEIGHT_PX, BOARD_GRID_CLASS } from './board-layout';
 
 /** Placeholder grid matching the board's fluid columns and unified card height. */
 export function BountyBoardSkeleton({ cards = 6 }: { cards?: number }) {
diff --git a/apps/web/partials/community-tab/bounty-card-layout.ts b/apps/web/partials/community-tab/bounty-card-layout.ts
new file mode 100644
index 0000000000..02c9945672
--- /dev/null
+++ b/apps/web/partials/community-tab/bounty-card-layout.ts
@@ -0,0 +1,15 @@
+/**
+ * The bounty cards' fixed heights.
+ *
+ * Their own module, with no `'use client'` on it, because the board's loading state is
+ * server-rendered and needs them — see `partials/bounties/board-layout.ts`. Every export of a
+ * client module is a client reference on the server rather than the value it looks like, so a
+ * number read across that boundary arrives as an opaque placeholder and lands in the DOM as one.
+ *
+ * `bounty-card.tsx` re-exports all three, so nothing that already imports them from there had to
+ * change.
+ */
+
+export const COMPLETED_CARD_HEIGHT_PX = 143;
+export const IN_PROGRESS_CARD_HEIGHT_PX = 110;
+export const AVAILABLE_CARD_HEIGHT_PX = 240;
diff --git a/apps/web/partials/community-tab/bounty-card.tsx b/apps/web/partials/community-tab/bounty-card.tsx
index 935cb63d89..be49f12e10 100644
--- a/apps/web/partials/community-tab/bounty-card.tsx
+++ b/apps/web/partials/community-tab/bounty-card.tsx
@@ -10,6 +10,8 @@ import { useSmartAccount } from '~/core/hooks/use-smart-account';
 
 import { Avatar } from '~/design-system/avatar';
 
+import { AVAILABLE_CARD_HEIGHT_PX, COMPLETED_CARD_HEIGHT_PX, IN_PROGRESS_CARD_HEIGHT_PX } from './bounty-card-layout';
+
 const GEO_ICON_WIDTH_PX = 8.5;
 const GEO_ICON_HEIGHT_PX = 10;
 
@@ -45,9 +47,11 @@ function BountyGeoIcon() {
   );
 }
 
-export const COMPLETED_CARD_HEIGHT_PX = 143;
-export const IN_PROGRESS_CARD_HEIGHT_PX = 110;
-export const AVAILABLE_CARD_HEIGHT_PX = 240;
+// Declared in `bounty-card-layout.ts`, which carries no `'use client'`, because the board's
+// server-rendered loading state needs the available card's height. Re-exported here so every
+// existing importer keeps working.
+export { AVAILABLE_CARD_HEIGHT_PX, COMPLETED_CARD_HEIGHT_PX, IN_PROGRESS_CARD_HEIGHT_PX };
+
 const CARD_PADDING_PX = 20;
 
 /**
diff --git a/apps/web/partials/entity-page/client-values-in-server-boundaries.test.ts b/apps/web/partials/entity-page/client-values-in-server-boundaries.test.ts
index 467ae62bbf..17c8e59ced 100644
--- a/apps/web/partials/entity-page/client-values-in-server-boundaries.test.ts
+++ b/apps/web/partials/entity-page/client-values-in-server-boundaries.test.ts
@@ -493,11 +493,6 @@ function staticReferences(sourceFile: ts.SourceFile): Reference[] {
  * existing entry would go on authorising the same name after someone repointed the import at a
  * *different* client module — debt quietly licensing a new fault.
  *
- * - `bounty-board-skeleton` is the live one. `app/bounties/loading.tsx` is server-rendered and puts
- *   `BOARD_GRID_CLASS` straight into a `className`, so the grid has no grid during the loading
- *   flash. Left here rather than fixed because `BOARD_CARD_HEIGHT_PX` derives from
- *   `AVAILABLE_CARD_HEIGHT_PX` in a second client module, so the fix relocates layout constants
- *   across two features and wants someone who can look at the bounties board while doing it.
  * - `read-block-media-dimensions` would return a client reference in place of its empty-dimensions
  *   object. Nothing calls it outside its own test today, so it is a landmine rather than a fault.
  * - `bounties/config` is inert: `useFeatureFlag` is only ever called from `useBountiesEnabled`,
@@ -505,8 +500,6 @@ function staticReferences(sourceFile: ts.SourceFile): Reference[] {
  *   Untangling it moves a hook out of `config.ts` and repoints nine files, for no behaviour change.
  */
 const KNOWN = new Set([
-  'partials/bounties/bounty-board-skeleton.tsx -> BOARD_CARD_HEIGHT_PX (from partials/bounties/board-bounty-card.tsx)',
-  'partials/bounties/bounty-board-skeleton.tsx -> BOARD_GRID_CLASS (from partials/bounties/board-bounty-card.tsx)',
   'core/blocks/data/read-block-media-dimensions.ts -> NO_BLOCK_MEDIA_DIMENSIONS (from core/hooks/use-block-media-dimensions.ts)',
   'core/bounties/config.ts -> useFeatureFlag (from core/state/feature-flags.ts)',
 ]);