diff --git a/src/pages/Inbox.test.tsx b/src/pages/Inbox.test.tsx
index 4bcdc31..a810897 100644
--- a/src/pages/Inbox.test.tsx
+++ b/src/pages/Inbox.test.tsx
@@ -5,6 +5,17 @@ import Inbox from "./Inbox";
 import * as inboxApi from "@/lib/inbox-api";
 import * as downloadModule from "@/lib/download";
 
+// The Inbox page now gates the Resubmit/Dismiss BulkBars behind
+// <RoleGate allow={["admin", "user"]}>. Tests need an "admin"
+// principal so the bulk bar still renders — otherwise the
+// SP8 resubmit-with-download assertion below has nothing to click.
+vi.mock("@/auth/useAuth", () => ({
+  useAuth: () => ({
+    user: { id: 1, username: "test-admin", role: "admin" },
+    status: "authenticated",
+  }),
+}));
+
 afterEach(() => {
   cleanup();
   vi.unstubAllGlobals();
diff --git a/src/pages/Inbox.tsx b/src/pages/Inbox.tsx
index 90c8f3f..72fab99 100644
--- a/src/pages/Inbox.tsx
+++ b/src/pages/Inbox.tsx
@@ -18,6 +18,7 @@ import {
   resubmitRejectedWithDownload,
 } from "@/lib/inbox-api";
 import { downloadBlob } from "@/lib/download";
+import { RoleGate } from "@/auth/RoleGate";
 
 type LaneKey = "rejected" | "candidates" | "unmatched" | "done_today";
 
@@ -202,21 +203,31 @@ export default function Inbox() {
         />
       </main>
 
-      {/* Per-lane bulk bars. Each shows when its lane has a selection. */}
-      <BulkBar
-        lane="rejected"
-        count={selected.rejected.length}
-        onResubmit={onResubmit}
-        onDismiss={() => {}}
-        onExport={() => onExport("rejected")}
-      />
-      <BulkBar
-        lane="candidates"
-        count={selected.candidates.length}
-        onResubmit={() => {}}
-        onDismiss={onDismiss}
-        onExport={() => onExport("candidates")}
-      />
+      {/* Per-lane bulk bars. Each shows when its lane has a selection.
+          The two write-affordance BulkBars (rejected → resubmit,
+          candidates → dismiss) are gated by RoleGate so a viewer-role
+          account can still SEE the rows and select them but cannot
+          trigger a state change. The export buttons live inside the
+          same BulkBar component but are read-only, so we let them
+          remain visible to viewers. */}
+      <RoleGate allow={["admin", "user"]} fallback={null}>
+        <BulkBar
+          lane="rejected"
+          count={selected.rejected.length}
+          onResubmit={onResubmit}
+          onDismiss={() => {}}
+          onExport={() => onExport("rejected")}
+        />
+      </RoleGate>
+      <RoleGate allow={["admin", "user"]} fallback={null}>
+        <BulkBar
+          lane="candidates"
+          count={selected.candidates.length}
+          onResubmit={() => {}}
+          onDismiss={onDismiss}
+          onExport={() => onExport("candidates")}
+        />
+      </RoleGate>
       <BulkBar
         lane="unmatched"
         count={selected.unmatched.length}
diff --git a/src/pages/Reconciliation.test.tsx b/src/pages/Reconciliation.test.tsx
index 39b88e4..f5bf3ce 100644
--- a/src/pages/Reconciliation.test.tsx
+++ b/src/pages/Reconciliation.test.tsx
@@ -27,6 +27,18 @@ vi.mock("@/lib/api", () => ({
   },
 }));
 
+// Match selected is now behind <RoleGate allow={["admin", "user"]}>.
+// The renderIntoContainer helper does not wrap in <AuthProvider>,
+// so the hook would otherwise throw. Pretend we're an admin so the
+// button still renders and these tests can exercise the two-column
+// selection chrome + empty-state paths.
+vi.mock("@/auth/useAuth", () => ({
+  useAuth: () => ({
+    user: { id: 1, username: "test-admin", role: "admin" },
+    status: "authenticated",
+  }),
+}));
+
 /**
  * Minimal `render` helper using react-dom/client + act(). Mirrors the
  * `renderHook` helper in `useReconciliation.test.ts` — see that file's
diff --git a/src/pages/Reconciliation.tsx b/src/pages/Reconciliation.tsx
index fd30ca0..dfe4ac3 100644
--- a/src/pages/Reconciliation.tsx
+++ b/src/pages/Reconciliation.tsx
@@ -9,6 +9,7 @@ import { ErrorState } from "@/components/ui/error-state";
 import { PageHeader } from "@/components/PageHeader";
 import { Button } from "@/components/ui/button";
 import { cn } from "@/lib/utils";
+import { RoleGate } from "@/auth/RoleGate";
 
 /**
  * Two-column manual reconciliation surface. The operator picks one row from
@@ -191,14 +192,22 @@ export function ReconciliationPage() {
       </div>
 
       <div className="flex items-center gap-2 flex-wrap">
-        <Button
-          onClick={handleMatch}
-          disabled={!selectedClaim || !selectedRemit || match.isPending}
-          className="min-h-[44px] sm:min-h-0"
-        >
-          <GitMerge className="h-3.5 w-3.5 mr-1.5" />
-          Match selected
-        </Button>
+        {/* Match selected is the only true write affordance on this
+            page — it transitions a claim from "submitted" /
+            "rejected" to "paid" / "partial" / "denied" / "received"
+            via `record_manual_match`. Viewers can still pick rows
+            and see the selection chrome, but the button itself is
+            disabled + tooltip-explained for them. */}
+        <RoleGate allow={["admin", "user"]}>
+          <Button
+            onClick={handleMatch}
+            disabled={!selectedClaim || !selectedRemit || match.isPending}
+            className="min-h-[44px] sm:min-h-0"
+          >
+            <GitMerge className="h-3.5 w-3.5 mr-1.5" />
+            Match selected
+          </Button>
+        </RoleGate>
         <Button
           variant="outline"
           onClick={handleClear}
diff --git a/src/pages/Upload.tsx b/src/pages/Upload.tsx
index ba4124d..2a7f655 100644
--- a/src/pages/Upload.tsx
+++ b/src/pages/Upload.tsx
@@ -32,6 +32,7 @@ import type {
   ServicePayment,
 } from "@/types";
 import { cn } from "@/lib/utils";
+import { RoleGate } from "@/auth/RoleGate";
 
 // ---------------------------------------------------------------------------
 // Streaming state — every claim that arrives from the backend accumulates
@@ -595,67 +596,80 @@ export function Upload() {
           </div>
         </div>
 
-        <div
-          onDragOver={(e) => {
-            e.preventDefault();
-            setDragging(true);
-          }}
-          onDragLeave={() => setDragging(false)}
-          onDrop={onDrop}
-          onClick={() => inputRef.current?.click()}
-          role="button"
-          tabIndex={0}
-          onKeyDown={(e) => {
-            if (e.key === "Enter" || e.key === " ") inputRef.current?.click();
-          }}
-          className={cn(
-            "relative flex flex-col items-center justify-center gap-2 rounded-lg border border-dashed transition-colors",
-            "px-6 py-12 min-h-[160px] cursor-pointer",
-            dragging
-              ? "border-accent bg-accent/5 ring-2 ring-accent/30"
-              : "border-border/60 bg-muted/20 hover:bg-muted/30 hover:border-border",
-            "focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
-          )}
-        >
-          {/* Soft inner glow when dragging — a precision-instrument
-              "active" state. */}
+        {/* Write affordances — dropzone + Parse button — are gated by
+            RoleGate so a viewer-role account can SEE the configuration
+            controls (kind, payer) but can't actually ingest a file. */}
+        <RoleGate allow={["admin", "user"]} fallback={
+          <div className="rounded-lg border border-dashed border-border/60 bg-muted/10 px-6 py-12 min-h-[160px] flex flex-col items-center justify-center gap-2 text-center text-muted-foreground">
+            <UploadIcon className="h-5 w-5" strokeWidth={1.5} aria-hidden />
+            <div className="text-[13.5px] font-medium text-foreground">Read-only access</div>
+            <div className="mono text-[11px]">
+              Your role (viewer) cannot ingest new files.
+            </div>
+          </div>
+        }>
           <div
+            onDragOver={(e) => {
+              e.preventDefault();
+              setDragging(true);
+            }}
+            onDragLeave={() => setDragging(false)}
+            onDrop={onDrop}
+            onClick={() => inputRef.current?.click()}
+            role="button"
+            tabIndex={0}
+            onKeyDown={(e) => {
+              if (e.key === "Enter" || e.key === " ") inputRef.current?.click();
+            }}
             className={cn(
-              "h-10 w-10 rounded-md ring-1 ring-inset ring-border/60 flex items-center justify-center transition-colors",
-              dragging ? "bg-accent/15 text-accent ring-accent/40" : "bg-muted/30 text-muted-foreground"
+              "relative flex flex-col items-center justify-center gap-2 rounded-lg border border-dashed transition-colors",
+              "px-6 py-12 min-h-[160px] cursor-pointer",
+              dragging
+                ? "border-accent bg-accent/5 ring-2 ring-accent/30"
+                : "border-border/60 bg-muted/20 hover:bg-muted/30 hover:border-border",
+              "focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
             )}
           >
-            <UploadIcon className="h-4 w-4" strokeWidth={1.5} />
-          </div>
-          {file ? (
-            <div className="flex items-center gap-2 text-[13px]">
-              <FileText
-                className="h-3.5 w-3.5 text-muted-foreground"
-                strokeWidth={1.75}
-              />
-              <span className="font-medium">{file.name}</span>
-              <span className="mono text-muted-foreground">
-                · {formatBytes(file.size)}
-              </span>
+            {/* Soft inner glow when dragging — a precision-instrument
+                "active" state. */}
+            <div
+              className={cn(
+                "h-10 w-10 rounded-md ring-1 ring-inset ring-border/60 flex items-center justify-center transition-colors",
+                dragging ? "bg-accent/15 text-accent ring-accent/40" : "bg-muted/30 text-muted-foreground"
+              )}
+            >
+              <UploadIcon className="h-4 w-4" strokeWidth={1.5} />
             </div>
-          ) : (
-            <>
-              <div className="text-[13.5px] font-medium">
-                {dragging ? "Release to upload" : "Drop a file here, or click to choose"}
+            {file ? (
+              <div className="flex items-center gap-2 text-[13px]">
+                <FileText
+                  className="h-3.5 w-3.5 text-muted-foreground"
+                  strokeWidth={1.75}
+                />
+                <span className="font-medium">{file.name}</span>
+                <span className="mono text-muted-foreground">
+                  · {formatBytes(file.size)}
+                </span>
               </div>
-              <div className="mono text-[11px] text-muted-foreground">
-                .txt — the X12 837/835 file as exported from your clearinghouse
-              </div>
-            </>
-          )}
-          <input
-            ref={inputRef}
-            type="file"
-            accept=".txt"
-            className="sr-only"
-            onChange={(e) => pickFile(e.target.files?.[0] ?? null)}
-          />
-        </div>
+            ) : (
+              <>
+                <div className="text-[13.5px] font-medium">
+                  {dragging ? "Release to upload" : "Drop a file here, or click to choose"}
+                </div>
+                <div className="mono text-[11px] text-muted-foreground">
+                  .txt — the X12 837/835 file as exported from your clearinghouse
+                </div>
+              </>
+            )}
+            <input
+              ref={inputRef}
+              type="file"
+              accept=".txt"
+              className="sr-only"
+              onChange={(e) => pickFile(e.target.files?.[0] ?? null)}
+            />
+          </div>
+        </RoleGate>
 
         <div className="flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between mt-4 pt-4 border-t border-border/30">
           <div className="mono text-[11px] text-muted-foreground">
@@ -674,35 +688,41 @@ export function Upload() {
               </span>
             )}
           </div>
-          <div className="flex items-center gap-2 flex-wrap">
-            {file ? (
+          {/* Parse button — the second half of the write affordance.
+              Wrapping it independently so the dropzone's `fallback`
+              message doesn't sit next to a disabled-looking Parse
+              button when the role is viewer. */}
+          <RoleGate allow={["admin", "user"]} fallback={null}>
+            <div className="flex items-center gap-2 flex-wrap">
+              {file ? (
+                <Button
+                  variant="ghost"
+                  onClick={() => pickFile(null)}
+                  disabled={running}
+                  className="min-h-[44px] sm:min-h-0"
+                >
+                  Clear
+                </Button>
+              ) : null}
               <Button
-                variant="ghost"
-                onClick={() => pickFile(null)}
-                disabled={running}
+                onClick={onParse}
+                disabled={!file || running}
                 className="min-h-[44px] sm:min-h-0"
               >
-                Clear
+                {running ? (
+                  <>
+                    <Loader2 className="h-3.5 w-3.5 animate-spin" />
+                    Parsing…
+                  </>
+                ) : (
+                  <>
+                    <UploadIcon className="h-3.5 w-3.5" />
+                    Parse
+                  </>
+                )}
               </Button>
-            ) : null}
-            <Button
-              onClick={onParse}
-              disabled={!file || running}
-              className="min-h-[44px] sm:min-h-0"
-            >
-              {running ? (
-                <>
-                  <Loader2 className="h-3.5 w-3.5 animate-spin" />
-                  Parsing…
-                </>
-              ) : (
-                <>
-                  <UploadIcon className="h-3.5 w-3.5" />
-                  Parse
-                </>
-              )}
-            </Button>
-          </div>
+            </div>
+          </RoleGate>
         </div>
       </div>