change things

src/components/generic/AssetPickerSheet.jsx

@@ -74,7 +74,7 @@ function AssetCard({ asset, streamSrc, selected, onSelect }) {
 function EmptyState({ fileType }) {
     return (
         <div className="flex flex-col items-center justify-center h-48 gap-2">
-            <p className="text-sm text-muted-foreground">No {fileType} assets found.</p>
+            <p className="text-sm text-muted-foreground">No {fileType} files found.</p>
         </div>
     );
 }
@@ -210,7 +210,7 @@ export function AssetPickerSheet({ open, onOpenChange, fileType, onSelect, allow
 
     const label = fileType
         ? `${fileType.charAt(0).toUpperCase()}${fileType.slice(1)}s`
-        : "Assets";
+        : "Files";
 
     const hasActiveFilters = activeExts.size > 0;
 
@@ -221,7 +221,7 @@ export function AssetPickerSheet({ open, onOpenChange, fileType, onSelect, allow
                 {/* ── Header ── */}
                 <SheetHeader className="px-6 pt-6 pb-4 border-b">
                     <SheetTitle>Select {label}</SheetTitle>
-                    <SheetDescription>Click an asset to attach it.</SheetDescription>
+                    <SheetDescription>Click a file to attach it.</SheetDescription>
                 </SheetHeader>
 
                 {/* ── Search + Filter ── */}

src/components/generic/BroadcastTargetPicker.jsx

@@ -28,7 +28,7 @@ const TARGET_CONFIGS = {
         fetch: () => api.get("/admin/tiers", { params: { limit: 100 } }).then((res) => res.data?.data?.data ?? []),
         idKey: "plan_id",
         labelKey: "label",
-        placeholder: "Select a tier plan…",
+        placeholder: "Select a subscription plan…",
     },
 };
 

src/components/generic/DashboardGrid.jsx

@@ -12,12 +12,12 @@ export default function DashboardGrid({ sections = [] }) {
 
   return (
     <section className="bg-muted/60">
-      <div className="lg:container lg:mx-auto flex flex-col items-start gap-8 px-4">
+      <div className="lg:container lg:mx-auto flex flex-col items-start gap-8 p-4">
         {sections.map(({ title, description, tiles }) => (
           <div key={title} className="flex flex-col items-start gap-4 w-full">
 
             {/* Header */}
-            <div className="flex flex-col gap-2 mt-6">
+            <div className="flex flex-col gap-2">
               <h1 className="text-2xl leading-tighter font-medium tracking-tighter">
                 {title}
               </h1>

src/components/generic/UploadProgressToast.jsx

@@ -1,9 +1,15 @@
 // components/generic/UploadProgressToast.jsx
 //
 // Floating widget mounted once in AdminLayout (outside the router Outlet's
-// unmount cycle) so it keeps showing asset-upload progress no matter what
-// admin page you navigate to mid-upload. State comes from UploadQueueContext,
-// which lives above the router for the same reason.
+// unmount cycle) so it keeps showing Add Assets Bulk's upload progress no
+// matter what admin page you navigate to mid-batch. State comes from
+// UploadQueueContext, which lives above the router for the same reason.
+//
+// Only renders "bulk"-sourced jobs — Add File (single) uploads share the
+// same underlying queue (so they too survive navigation) but get their own
+// SingleUploadToast instead of being folded into this multi-file "N of M"
+// widget, which was designed around an actual batch and reads oddly for a
+// single file.
 
 import { useEffect, useRef, useState } from "react";
 import { useNavigate } from "react-router-dom";
@@ -17,7 +23,8 @@ const ACTIVE = new Set(["uploading", "queued"]);
 const FAILED = new Set(["failed", "invalid"]);
 
 export default function UploadProgressToast() {
-    const { jobs, retryJob } = useUploadQueue();
+    const { jobs: allJobs, retryJob } = useUploadQueue();
+    const jobs = allJobs.filter((j) => j.source === "bulk");
     const navigate = useNavigate();
     const [dismissed, setDismissed] = useState(false);
     const [expanded, setExpanded] = useState(false);
@@ -91,7 +98,7 @@ export default function UploadProgressToast() {
                     <button
                         type="button"
                         className="w-full text-xs text-primary hover:underline py-2"
-                        onClick={() => navigate("/admin/assets/add")}
+                        onClick={() => navigate("/admin/assets/add/bulk")}
                     >
                         View upload details
                     </button>

src/contexts/AdminAssetsContext.jsx

@@ -186,53 +186,6 @@ export function AssetsProvider({ children }) {
         [request]
     );
 
-    // ─── POST /api/admin/assets/presign + direct PUT + POST /api/admin/assets ──
-    //
-    // onProgress?: ({ phase: 'uploading'|'processing'|'done', pct }) => void
-    // "uploading"  — browser -> storage, real bytes sent directly (this
-    //                backend is never in that data path at all anymore).
-    // "processing" — brief server-side step once the upload lands: reads the
-    //                object back (HeadObjectCommand), runs ffprobe for
-    //                video/audio, inserts the DB row.
-    const uploadAsset = useCallback(
-        ({ file, thumbnail, onProgress, ...rest }) =>
-            request(async () => {
-                const [mainPresign, thumbPresign] = await Promise.all([
-                    presignAssetUpload(file),
-                    thumbnail ? presignAssetUpload(thumbnail) : Promise.resolve(null),
-                ]);
-                const storage_key = mainPresign.key;
-
-                await Promise.all([
-                    uploadPresigned(file, mainPresign, (pct) => onProgress?.({ phase: "uploading", pct })),
-                    thumbPresign ? uploadPresigned(thumbnail, thumbPresign) : Promise.resolve(),
-                ]);
-
-                onProgress?.({ phase: "processing", pct: 100 });
-
-                const res = await api.post("/admin/assets", {
-                    storage_key,
-                    thumbnail_storage_key: thumbPresign?.key,
-                    original_name: file.name,
-                    // Fallback only — the backend prefers storage's own
-                    // Content-Type, this just covers the rare case a browser
-                    // sent the PUT with no Content-Type at all (empty File.type).
-                    mimetype: file.type || undefined,
-                    ...rest,
-                });
-
-                const asset = res.data?.data?.data ?? null;
-                if (asset) {
-                    setAssets((prev) => [asset, ...prev]);
-                    invalidateListCache();
-                    toast("Asset uploaded successfully.");
-                }
-                onProgress?.({ phase: "done", pct: 100 });
-                return res.data;
-            }),
-        [request]
-    );
-
     // ─── PATCH /api/admin/assets/:assetId ────────────────────────────────────
     //
     // A replacement file (video thumbnail, or an image/audio asset's main
@@ -260,7 +213,7 @@ export function AssetsProvider({ children }) {
                     setAssets((prev) => prev.map((a) => (a.asset_id === assetId ? asset : a)));
                     setSelectedAsset(asset);
                     invalidateListCache();
-                    toast("Asset updated successfully.");
+                    toast("File updated successfully.");
                 }
                 return res.data;
             }),
@@ -277,7 +230,7 @@ export function AssetsProvider({ children }) {
                 setAssets((prev) => prev.filter((a) => a.asset_id !== assetId));
                 setSelectedAsset((prev) => (prev?.asset_id === assetId ? null : prev));
                 invalidateListCache();
-                toast("Asset archived.");
+                toast("File archived.");
                 return res.data;
             }),
         [request]
@@ -292,7 +245,7 @@ export function AssetsProvider({ children }) {
                 });
                 setAssets((prev) => prev.filter((a) => !ids.includes(a.asset_id)));
                 invalidateListCache();
-                toast(`${ids.length} asset(s) archived.`);
+                toast(`${ids.length} file(s) archived.`);
                 return res.data;
             }),
         [request]
@@ -307,7 +260,7 @@ export function AssetsProvider({ children }) {
                 if (asset) {
                     setAssets((prev) => prev.filter((a) => a.asset_id !== assetId));
                     invalidateListCache();
-                    toast("Asset restored.");
+                    toast("File restored.");
                 }
                 return res.data;
             }),
@@ -321,7 +274,7 @@ export function AssetsProvider({ children }) {
                 const res = await api.patch("/admin/assets/bulk-restore", { ids });
                 setAssets((prev) => prev.filter((a) => !ids.includes(a.asset_id)));
                 invalidateListCache();
-                toast(`${ids.length} asset(s) restored.`);
+                toast(`${ids.length} file(s) restored.`);
                 return res.data;
             }),
         [request]
@@ -335,7 +288,7 @@ export function AssetsProvider({ children }) {
                 setAssets((prev) => prev.filter((a) => a.asset_id !== assetId));
                 setSelectedAsset((prev) => (prev?.asset_id === assetId ? null : prev));
                 invalidateListCache();
-                toast("Asset permanently deleted.");
+                toast("File permanently deleted.");
                 return res.data;
             }),
         [request]
@@ -350,7 +303,7 @@ export function AssetsProvider({ children }) {
                 });
                 setAssets((prev) => prev.filter((a) => !ids.includes(a.asset_id)));
                 invalidateListCache();
-                toast(`${ids.length} asset(s) permanently deleted.`);
+                toast(`${ids.length} file(s) permanently deleted.`);
                 return res.data;
             }),
         [request]
@@ -380,7 +333,6 @@ export function AssetsProvider({ children }) {
             fetchAssets,
             fetchAsset,
             fetchArchivedAssets,
-            uploadAsset,
             updateAsset,
             archiveAsset,
             archiveAssets,

src/contexts/AdminLibraryContext.jsx

@@ -280,6 +280,17 @@ export function LibraryProvider({ children }) {
     [request],
   );
 
+  const attachLessonToUnits = useCallback(
+    (lessonId, unitIds) =>
+      request(async () => {
+        await Promise.all(
+          unitIds.map((unitId) => api.post(`${UNITS_BASE}/${unitId}/lessons`, { lesson_ids: [lessonId] }))
+        );
+        toast(`Attached to ${unitIds.length} unit${unitIds.length === 1 ? "" : "s"}.`);
+      }),
+    [request],
+  );
+
   const reorderUnitLessons = useCallback(
     (unitId, lessonIds) =>
       request(async () => {
@@ -499,6 +510,7 @@ export function LibraryProvider({ children }) {
     fetchUnitArchiveImpact, fetchUnitPermanentDeleteImpact,
     fetchUnitFieldValues,
     attachLessonsToUnit, detachLessonFromUnit, detachUnitFromCourse, attachUnitToCourses, reorderUnitLessons,
+    attachLessonToUnits,
     fetchUnitProduct, saveUnitProduct, removeUnitProduct,
 
     // lesson library

src/contexts/AdminTierCategoriesContext.jsx

@@ -41,7 +41,7 @@ export function AdminTierCategoriesProvider({ children }) {
     const createCategory = useCallback((payload) =>
         request(async () => {
             const { data } = await api.post("/admin/tiers/categories", payload);
-            toast("Tier category created.");
+            toast("Subscription category created.");
             return data.data;
         }), [request]);
 
@@ -52,7 +52,7 @@ export function AdminTierCategoriesProvider({ children }) {
                 prev.map((c) => (String(c.tier_category_id) === String(id) ? data.data : c))
             );
             if (category && String(category.tier_category_id) === String(id)) setCategory(data.data);
-            toast("Tier category updated.");
+            toast("Subscription category updated.");
             return data.data;
         }), [request, category]);
 
@@ -60,7 +60,7 @@ export function AdminTierCategoriesProvider({ children }) {
         request(async () => {
             await api.delete(`/admin/tiers/categories/${id}`);
             setCategories((prev) => prev.filter((c) => String(c.tier_category_id) !== String(id)));
-            toast("Tier category deleted.");
+            toast("Subscription category deleted.");
             return true;
         }), [request]);
 

src/contexts/AdminTiersContext.jsx

@@ -167,7 +167,7 @@ export function AdminTiersProvider({ children }) {
     try {
       const { data } = await api.get(`/admin/tiers/users/${userId}/tiers`);
       setUserTiers(data.data ?? []);
-    } catch { toast("Could not load user tiers."); }
+    } catch { toast("Could not load user subscriptions."); }
     finally { setLoading(false); }
   }, []);
 
@@ -175,10 +175,10 @@ export function AdminTiersProvider({ children }) {
     setLoading(true);
     try {
       await api.post("/admin/tiers/users/tiers/grant", payload);
-      toast("Tier granted.");
+      toast("Subscription granted.");
       return true;
     } catch (err) {
-      toast(err?.response?.data?.message ?? "Could not grant tier.");
+      toast(err?.response?.data?.message ?? "Could not grant subscription.");
       return false;
     } finally { setLoading(false); }
   }, []);
@@ -187,10 +187,10 @@ export function AdminTiersProvider({ children }) {
     setLoading(true);
     try {
       await api.patch(`/admin/tiers/users/tiers/${tid}/revoke`);
-      toast("Tier revoked.");
+      toast("Subscription revoked.");
       return true;
     } catch (err) {
-      toast(err?.response?.data?.message ?? "Could not revoke tier.");
+      toast(err?.response?.data?.message ?? "Could not revoke subscription.");
       return false;
     } finally { setLoading(false); }
   }, []);

src/contexts/ClientTiersProvider.jsx

@@ -47,7 +47,7 @@ export function ClientTiersProvider({ children }) {
         toast("Your subscription has expired. You've been moved to the Free plan.");
       }
     } catch (err) {
-      if (!silent) toast(err?.response?.data?.message ?? "Could not load tier.");
+      if (!silent) toast(err?.response?.data?.message ?? "Could not load subscription.");
     } finally {
       if (!silent) setTierLoading(false);
     }
@@ -78,7 +78,7 @@ export function ClientTiersProvider({ children }) {
       const { data } = await api.get("/client/tiers/me/history");
       setTierHistory(data.data ?? []);
     } catch (err) {
-      toast(err?.response?.data?.message ?? "Could not load tier history.");
+      toast(err?.response?.data?.message ?? "Could not load subscription history.");
     } finally {
       setTierHistoryLoading(false);
     }
@@ -130,7 +130,7 @@ export function ClientTiersProvider({ children }) {
     setCheckoutLoading(true);
     try {
       const { data } = await api.post("/client/tiers/checkout/capture", { order_id });
-      toast(data.message ?? "Payment successful. Tier activated.");
+      toast(data.message ?? "Payment successful. Subscription activated.");
       setMyTier({ tier: data.data?.tier, expires_at: data.data?.expires_at, status: "active" });
       // Refresh from server so the browser cache holds fresh Premium data — prevents
       // subsequent getMyTier() calls from getting a stale 304 with the old Free/null response.

src/contexts/UploadQueueContext.jsx

@@ -1,9 +1,10 @@
 // contexts/UploadQueueContext.jsx
 //
-// Global, app-shell-mounted upload queue for the Add Asset multi-file drop
-// zone. Lives above the router (see AdminProvider.jsx) so an in-flight
-// batch survives navigating away from the Add Asset page — the floating
-// UploadProgressToast reads the same state from anywhere in /admin.
+// Global, app-shell-mounted upload queue shared by both Add File (single)
+// and Add Assets Bulk (multi-file drop zone). Lives above the router (see
+// AdminProvider.jsx) so an in-flight upload survives navigating away from
+// either page — the floating UploadProgressToast reads the same state from
+// anywhere in /admin.
 //
 // Every job — whether it's part of an initial addBatch() or a single retry —
 // uploads directly to storage via its own presigned PUT (see
@@ -52,18 +53,26 @@ export function UploadQueueProvider({ children }) {
     // now go straight to storage instead of buffering through the backend.
     const uploadOne = useCallback(async (job) => {
         try {
-            const presigned = await presignAssetUpload(job.file);
+            const [presigned, thumbPresigned] = await Promise.all([
+                presignAssetUpload(job.file),
+                job.thumbnail ? presignAssetUpload(job.thumbnail) : Promise.resolve(null),
+            ]);
             const storage_key = presigned.key;
 
-            await uploadPresigned(job.file, presigned, (pct) => patchJobs([job.id], { progress: pct }));
+            await Promise.all([
+                uploadPresigned(job.file, presigned, (pct) => patchJobs([job.id], { progress: pct })),
+                thumbPresigned ? uploadPresigned(job.thumbnail, thumbPresigned) : Promise.resolve(),
+            ]);
 
-            // Bulk display_name derivation only applies when the caller didn't
-            // already provide one — each job keeps whatever name it resolves to.
+            // display_name/description are never collected from the user anymore
+            // (Add File and Add Assets Bulk both dropped those fields) — every
+            // job's display_name is derived from its filename here.
             const display_name = job.meta.display_name || baseNameOf(job.name);
 
             const { data } = await api.post("/admin/assets", {
                 ...job.meta,
                 storage_key,
+                thumbnail_storage_key: thumbPresigned?.key,
                 original_name: job.name,
                 display_name,
                 // Fallback only — the backend prefers storage's own
@@ -73,12 +82,15 @@ export function UploadQueueProvider({ children }) {
             });
             const asset = data?.data?.data;
             patchJobs([job.id], { status: "uploaded", progress: 100, asset, error: null });
+            return { id: job.id, name: job.name, status: "uploaded", asset };
         } catch (err) {
-            // No sonner toast() here — the floating widget (both corners
-            // would collide, see UploadProgressToast) already surfaces this
-            // via the job's own failed status.
+            // No sonner toast() here — the floating widget (see
+            // UploadProgressToast) already surfaces this via the job's own
+            // failed status; addBatch()'s onSettled callback gets this same
+            // result too, for callers (e.g. Add File) that want their own toast.
             const message = err?.response?.data?.message ?? "Upload failed.";
             patchJobs([job.id], { status: "failed", progress: 100, error: message });
+            return { id: job.id, name: job.name, status: "failed", error: message };
         }
     }, [patchJobs]);
 
@@ -91,29 +103,43 @@ export function UploadQueueProvider({ children }) {
         const ids = batchJobs.map((j) => j.id);
         patchJobs(ids, { status: "uploading", progress: 0 });
 
+        const results = new Array(batchJobs.length);
         let next = 0;
         const worker = async () => {
             while (next < batchJobs.length) {
-                await uploadOne(batchJobs[next++]);
+                const i = next++;
+                results[i] = await uploadOne(batchJobs[i]);
             }
         };
         await Promise.all(
             Array.from({ length: Math.min(MAX_CONCURRENT, batchJobs.length) }, worker)
         );
 
-        onSettledRef.current.get(batchId)?.();
+        onSettledRef.current.get(batchId)?.(results);
         onSettledRef.current.delete(batchId);
     }, [patchJobs, uploadOne]);
 
-    // files: File[]; meta: { is_public, storage_provider, createdBy }
-    const addBatch = useCallback((files, meta, { onSettled } = {}) => {
+    // items: (File | { file: File, thumbnail?: File })[] — a plain File is what
+    // the bulk drop zone passes; Add Asset (single) passes the { file,
+    // thumbnail } shape so its optional video/audio thumbnail rides along
+    // with the same job. meta: { is_public, storage_provider, createdBy }
+    // source: "single" | "bulk" — both flows share this one queue (and the
+    // floating UploadProgressToast) so an upload survives navigation either
+    // way, but Add Assets Bulk only lists jobs tagged "bulk" on its own page
+    // (see AddAssetsBulk.jsx) so a lone Add File upload doesn't show up
+    // there looking like a bulk batch that was never actually started.
+    const addBatch = useCallback((items, meta, { onSettled, source = "bulk" } = {}) => {
         const batchId = nanoid();
-        const newJobs = files.map((file) => {
+        const newJobs = items.map((item) => {
+            const file = item instanceof File ? item : item.file;
+            const thumbnail = item instanceof File ? undefined : item.thumbnail;
             const { ok, reason } = validateAssetFile(file);
             return {
                 id: nanoid(),
                 batchId,
+                source,
                 file,
+                thumbnail,
                 name: file.name,
                 size: file.size,
                 mime: file.type,
@@ -153,8 +179,13 @@ export function UploadQueueProvider({ children }) {
         setJobs((prev) => prev.filter((j) => j.id !== jobId || j.status === "uploading"));
     }, []);
 
-    const clearFinished = useCallback(() => {
-        setJobs((prev) => prev.filter((j) => j.status === "uploading" || j.status === "queued"));
+    // source: restricts the clear to that source's finished jobs only, so
+    // clicking "Clear finished" on the Bulk page can't wipe out a still-shown
+    // Add File (single) entry in the floating toast, and vice versa.
+    const clearFinished = useCallback((source) => {
+        setJobs((prev) => prev.filter((j) =>
+            j.status === "uploading" || j.status === "queued" || (source && j.source !== source)
+        ));
     }, []);
 
     return (

src/data/activity.data.js

@@ -105,16 +105,16 @@ export const ACTION_CONFIG = {
   add_user_to_group:     { label: "Added User to Group",      group: "grp" },
   remove_user_from_group:{ label: "Removed User from Group",  group: "grp" },
 
-  // ── Tier Plans ──────────────────────────────────────────────────────────────
-  create_tier_plan:         { label: "Created Tier Plan",         group: "commerce" },
-  update_tier_plan:         { label: "Updated Tier Plan",         group: "commerce" },
-  archive_tier_plan:        { label: "Archived Tier Plan",        group: "commerce" },
-  restore_tier_plan:        { label: "Restored Tier Plan",        group: "commerce" },
-  bulk_archive_tier_plans:  { label: "Bulk Archived Tier Plans",  group: "commerce" },
-  bulk_restore_tier_plans:  { label: "Bulk Restored Tier Plans",  group: "commerce" },
+  // ── Subscriptions ───────────────────────────────────────────────────────────
+  create_tier_plan:         { label: "Created Subscription",         group: "commerce" },
+  update_tier_plan:         { label: "Updated Subscription",         group: "commerce" },
+  archive_tier_plan:        { label: "Archived Subscription",        group: "commerce" },
+  restore_tier_plan:        { label: "Restored Subscription",        group: "commerce" },
+  bulk_archive_tier_plans:  { label: "Bulk Archived Subscriptions",  group: "commerce" },
+  bulk_restore_tier_plans:  { label: "Bulk Restored Subscriptions",  group: "commerce" },
   sync_plan_courses:        { label: "Synced Plan Courses",       group: "commerce" },
-  grant_tier:               { label: "Granted Tier",              group: "success"  },
-  revoke_tier:              { label: "Revoked Tier",              group: "danger"   },
+  grant_tier:               { label: "Granted Subscription",              group: "success"  },
+  revoke_tier:              { label: "Revoked Subscription",              group: "danger"   },
 
   // ── Products & Categories ───────────────────────────────────────────────────
   upsert_course_product:  { label: "Set Course Product",       group: "commerce" },
@@ -125,13 +125,13 @@ export const ACTION_CONFIG = {
   archive_category:       { label: "Archived Category",        group: "commerce" },
   restore_category:       { label: "Restored Category",        group: "commerce" },
 
-  // ── Assets ──────────────────────────────────────────────────────────────────
-  upload_asset:       { label: "Uploaded Asset",        group: "content" },
-  update_asset:       { label: "Updated Asset",         group: "content" },
-  archive_asset:      { label: "Archived Asset",        group: "content" },
-  restore_asset:      { label: "Restored Asset",        group: "content" },
-  bulk_archive_assets:{ label: "Bulk Archived Assets",  group: "content" },
-  bulk_restore_assets:{ label: "Bulk Restored Assets",  group: "content" },
+  // ── Files ───────────────────────────────────────────────────────────────────
+  upload_asset:       { label: "Uploaded File",        group: "content" },
+  update_asset:       { label: "Updated File",         group: "content" },
+  archive_asset:      { label: "Archived File",        group: "content" },
+  restore_asset:      { label: "Restored File",        group: "content" },
+  bulk_archive_assets:{ label: "Bulk Archived Files",  group: "content" },
+  bulk_restore_assets:{ label: "Bulk Restored Files",  group: "content" },
 
   // ── Advertisements ──────────────────────────────────────────────────────────
   create_advertisement:        { label: "Created Ad",              group: "content" },

src/data/adminTiles.data.js

@@ -16,10 +16,10 @@ export const ADMIN_SECTIONS = [
         id: "section-resources",
         tab: "Resource Management",
         title: "Resource Management",
-        description: "It includes assets management and tier plans.",
+        description: "It includes files management and subscriptions.",
         tiles: [
-            { key: "assets", label: "Assets", icon: FolderOpen, link: "/admin/assets" },
-            { key: "tiers", label: "Tier Plans", icon: ShieldCheck, link: "/admin/tiers/plans" },
+            { key: "assets", label: "Files", icon: FolderOpen, link: "/admin/assets" },
+            { key: "tiers", label: "Subscriptions", icon: ShieldCheck, link: "/admin/tiers/plans" },
         ],
     },
     {

src/data/cronPresets.data.js

@@ -20,7 +20,7 @@ export const JOB_LABELS = {
     taskOverdue:       { label: "Task Alerts (Admin)", description: "Automatically marks expired tasks as overdue or completed, and notifies admins." },
     userNotifications: { label: "Task Alerts (Users)", description: "Notifies affected users when their tasks are automatically marked overdue or completed." },
     issueCertificates: { label: "Certificate Issued", description: "Notifies users when a course certificate is ready." },
-    expireUserTiers:   { label: "Tier Expired", description: "Notifies users when their subscription tier expires." },
+    expireUserTiers:   { label: "Subscription Expired", description: "Notifies users when their subscription expires." },
 };
 
 // The only jobs that support a configurable target_status, and the values it accepts.

src/data/notificationBroadcast.data.js

@@ -11,7 +11,7 @@ export const TARGET_TYPE_OPTIONS = [
     { value: "both",      label: "Admins & Users", icon: Megaphone,   description: "Sent to admins and every active user", needsTarget: false },
     { value: "task_list", label: "Task List",      icon: ListCheck,   description: "Sent to everyone assigned to a specific task list", needsTarget: true },
     { value: "course",    label: "Course",         icon: BookText,    description: "Sent to everyone with access to a specific course", needsTarget: true },
-    { value: "tier_plan", label: "Tier Plan",      icon: ShieldCheck, description: "Sent to everyone currently on a specific tier plan", needsTarget: true },
+    { value: "tier_plan", label: "Subscription",      icon: ShieldCheck, description: "Sent to everyone currently on a specific subscription plan", needsTarget: true },
 ];
 
 export const TARGET_TYPE_MAP = Object.fromEntries(

src/data/placement.data.js

@@ -8,7 +8,7 @@
 
 export const PLACEMENTS = [
     { key: "dashboard.hero",         format: "hero",    page: "dashboard",      pageLabel: "Dashboard",      slotLabel: "Hero (top of page)" },
-    { key: "tier_plans.banner",      format: "banner",  page: "tier_plans",     pageLabel: "Tier Plans",     slotLabel: "Banner (above plan cards)" },
+    { key: "tier_plans.banner",      format: "banner",  page: "tier_plans",     pageLabel: "Subscriptions",     slotLabel: "Banner (above plan cards)" },
     { key: "course_details.banner",  format: "banner",  page: "course_details", pageLabel: "Course Details", slotLabel: "Banner (below hero)" },
 ];
 

src/modules/admin/components/assets/ArchivedAssetsTable.jsx

@@ -51,8 +51,8 @@ export default function ArchivedAssetsTable() {
     const exportConfig = {
         allData:   assets,
         attributes,
-        filename:  `${getTimestamp()}_ArchivedAssets`,
-        sheetName: "Archived Assets",
+        filename:  `${getTimestamp()}_ArchivedFiles`,
+        sheetName: "Archived Files",
         generatedBy: formatGeneratedBy(currentUser),
     };
 
@@ -102,7 +102,7 @@ export default function ArchivedAssetsTable() {
     return (
         <>
             <DataTable
-                title="Archived Assets"
+                title="Archived Files"
                 data={assets}
                 columns={columns}
                 attributes={attributes}
@@ -125,8 +125,8 @@ export default function ArchivedAssetsTable() {
                 columnPinning={columnPinning}
                 toolbarActions={toolbarActions}
                 selectionActions={selectionActions}
-                recordLabel="archived asset"
-                emptyMessage="No archived assets found."
+                recordLabel="archived file"
+                emptyMessage="No archived files found."
             />
 
             {/* ── Single restore ── */}
@@ -134,7 +134,7 @@ export default function ArchivedAssetsTable() {
                 open={!!restoreTarget}
                 onOpenChange={(v) => !v && setRestoreTarget(null)}
                 entity={restoreTarget}
-                entityLabel="Asset"
+                entityLabel="File"
                 getName={(a) => a?.display_name ?? a?.original_name}
                 onRestore={(a) => restoreAsset(a?.asset_id)}
                 loading={loading}
@@ -146,7 +146,7 @@ export default function ArchivedAssetsTable() {
                 open={!!restoreIds}
                 onOpenChange={(v) => !v && setRestoreIds(null)}
                 ids={restoreIds ?? []}
-                entityLabel="Asset"
+                entityLabel="File"
                 onRestore={(ids) => restoreAssets(ids)}
                 loading={loading}
                 onSuccess={handleRestoreSuccess}
@@ -157,7 +157,7 @@ export default function ArchivedAssetsTable() {
                 open={!!deleteTarget}
                 onOpenChange={(v) => !v && setDeleteTarget(null)}
                 entity={deleteTarget}
-                entityLabel="Asset"
+                entityLabel="File"
                 getName={(a) => a?.display_name ?? a?.original_name}
                 onDelete={(a) => permanentlyDeleteAsset(a?.asset_id)}
                 loading={loading}
@@ -169,7 +169,7 @@ export default function ArchivedAssetsTable() {
                 open={!!deleteIds}
                 onOpenChange={(v) => !v && setDeleteIds(null)}
                 ids={deleteIds ?? []}
-                entityLabel="Asset"
+                entityLabel="File"
                 onDelete={(ids) => permanentlyDeleteAssets(ids)}
                 loading={loading}
                 onSuccess={handleDeleteSuccess}

src/modules/admin/components/assets/AssetsTable.jsx

@@ -45,8 +45,8 @@ export default function AssetsTable() {
     const exportConfig = {
         allData: assets,
         attributes,
-        filename: `${getTimestamp()}_Assets`,
-        sheetName: "Assets",
+        filename: `${getTimestamp()}_Files`,
+        sheetName: "Files",
         generatedBy: formatGeneratedBy(currentUser),
     };
 
@@ -94,7 +94,7 @@ export default function AssetsTable() {
     return (
         <>
             <DataTable
-                title="Assets"
+                title="Files"
                 data={assets}
                 columns={columns}
                 attributes={attributes}
@@ -117,8 +117,8 @@ export default function AssetsTable() {
                 columnPinning={columnPinning}
                 toolbarActions={toolbarActions}
                 selectionActions={selectionActions}
-                recordLabel="asset"
-                emptyMessage="No assets match the current filters."
+                recordLabel="file"
+                emptyMessage="No files match the current filters."
             />
 
             {/* ── Single archive ── */}
@@ -126,7 +126,7 @@ export default function AssetsTable() {
                 open={!!archiveTarget}
                 onOpenChange={(v) => !v && setArchiveTarget(null)}
                 entity={archiveTarget}
-                entityLabel="Asset"
+                entityLabel="File"
                 getName={(a) => a?.display_name ?? a?.original_name}
                 onArchive={(a) => archiveAsset(a?.asset_id)}
                 loading={loading}
@@ -138,7 +138,7 @@ export default function AssetsTable() {
                 open={!!archiveIds}
                 onOpenChange={(v) => !v && setArchiveIds(null)}
                 ids={archiveIds ?? []}
-                entityLabel="Asset"
+                entityLabel="File"
                 onArchive={(ids) => archiveAssets(ids)}
                 loading={loading}
                 onSuccess={handleArchiveSuccess}

src/modules/admin/components/courses/CreateAchievementDialog.jsx

@@ -23,7 +23,7 @@ import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@
 
 const TRIGGER_OPTIONS = [
   { value: "auth",    label: "Auth (registration / login)" },
-  { value: "tier",    label: "Tier (subscription purchase)" },
+  { value: "tier",    label: "Subscription (plan purchase)" },
   { value: "course",  label: "Course (lessons / quizzes)" },
   { value: "profile", label: "Profile completion" },
   { value: "social",  label: "Social (referrals / community)" },

src/modules/admin/components/library/AttachLessonToUnitsDialog.jsx

@@ -0,0 +1,124 @@
+// AttachLessonToUnitsDialog — pick existing Units and attach this Lesson to them.
+// Reverse direction of AttachLessonsDialog: unit_lessons has no exclusivity,
+// so a Lesson can freely belong to several Units at once (multi-select).
+
+import { useEffect, useMemo, useState } from "react";
+import { Search, Link2 } from "lucide-react";
+
+import { useLibrary } from "@/contexts/AdminLibraryContext";
+import {
+  Dialog, DialogContent, DialogDescription, DialogFooter,
+  DialogHeader, DialogTitle,
+} from "@/components/ui/dialog";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Checkbox } from "@/components/ui/checkbox";
+import { ScrollArea } from "@/components/ui/scroll-area";
+import { Spinner } from "@/components/ui/spinner";
+import { formatDuration } from "@/utils/timestamp.util";
+
+export default function AttachLessonToUnitsDialog({ open, onOpenChange, attachedUnitIds = [], onAttach, loading }) {
+  const { unitsFlat, fetchUnitsFlat, loading: libraryLoading } = useLibrary();
+  const [query, setQuery] = useState("");
+  const [selected, setSelected] = useState([]);
+
+  useEffect(() => {
+    if (open) {
+      setSelected([]);
+      setQuery("");
+      fetchUnitsFlat();
+    }
+  }, [open, fetchUnitsFlat]);
+
+  const attachedSet = useMemo(
+    () => new Set(attachedUnitIds.map(String)),
+    [attachedUnitIds]
+  );
+
+  const candidates = useMemo(() => {
+    const q = query.trim().toLowerCase();
+    return (unitsFlat ?? [])
+      .filter((u) => !attachedSet.has(String(u.unit_id)))
+      .filter((u) => !q || u.title?.toLowerCase().includes(q));
+  }, [unitsFlat, attachedSet, query]);
+
+  const toggle = (unitId) =>
+    setSelected((prev) =>
+      prev.includes(unitId) ? prev.filter((id) => id !== unitId) : [...prev, unitId]
+    );
+
+  const handleAttach = async () => {
+    if (!selected.length) return;
+    await onAttach(selected);
+    onOpenChange(false);
+  };
+
+  return (
+    <Dialog open={open} onOpenChange={onOpenChange}>
+      <DialogContent className="sm:max-w-lg">
+        <DialogHeader>
+          <DialogTitle className="flex items-center gap-2">
+            <Link2 className="h-4 w-4" /> Select Units
+          </DialogTitle>
+          <DialogDescription>
+            Attach this lesson to one or more existing units without copying it.
+          </DialogDescription>
+        </DialogHeader>
+
+        <div className="relative">
+          <Search className="absolute left-2.5 top-2.5 h-4 w-4 text-muted-foreground" />
+          <Input
+            placeholder="Search units..."
+            className="pl-8"
+            value={query}
+            onChange={(e) => setQuery(e.target.value)}
+          />
+        </div>
+
+        <ScrollArea className="h-64 rounded-md border">
+          {libraryLoading ? (
+            <div className="flex items-center justify-center h-full py-10">
+              <Spinner className="h-5 w-5" />
+            </div>
+          ) : candidates.length === 0 ? (
+            <p className="text-sm text-muted-foreground text-center py-10">
+              {query ? "No units match your search." : "This lesson is already attached to every unit."}
+            </p>
+          ) : (
+            <div className="divide-y">
+              {candidates.map((u) => (
+                <label
+                  key={u.unit_id}
+                  className="flex items-center gap-3 px-3 py-2.5 hover:bg-muted/60 cursor-pointer"
+                >
+                  <Checkbox
+                    checked={selected.includes(u.unit_id)}
+                    onCheckedChange={() => toggle(u.unit_id)}
+                  />
+                  <div className="flex-1 min-w-0">
+                    <p className="text-sm font-medium w-64 truncate" title={u.title}>
+                      {u.title}
+                    </p>
+                    <p className="text-xs text-muted-foreground truncate">
+                      {formatDuration(u.duration_seconds ?? 0)}
+                    </p>
+                  </div>
+                </label>
+              ))}
+            </div>
+          )}
+        </ScrollArea>
+
+        <DialogFooter>
+          <Button variant="outline" onClick={() => onOpenChange(false)} disabled={loading}>
+            Cancel
+          </Button>
+          <Button onClick={handleAttach} disabled={loading || !selected.length}>
+            {loading && <Spinner className="h-4 w-4 mr-2" />}
+            Attach {selected.length > 0 ? `(${selected.length})` : ""}
+          </Button>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+  );
+}

src/modules/admin/components/tiers/ArchivedTierPlansTable.jsx

@@ -51,7 +51,7 @@ export default function ArchivedTierPlansTable() {
     allData:    plans,
     attributes: planAttributes,
     filename:   `${getTimestamp()}_ArchivedTierPlans`,
-    sheetName:  "Archived Tier Plans",
+    sheetName:  "Archived Subscriptions",
     generatedBy: formatGeneratedBy(currentUser),
   }), [plans, planAttributes, currentUser]);
 

src/modules/admin/components/tiers/TierPlansTable.jsx

@@ -67,7 +67,7 @@ export default function TierPlansTable() {
     allData:   plans,
     attributes: planAttributes,
     filename:  `${getTimestamp()}_TierPlans`,
-    sheetName: "Tier Plans",
+    sheetName: "Subscriptions",
     generatedBy: formatGeneratedBy(currentUser),
   }), [plans, planAttributes, currentUser]);
 
@@ -105,16 +105,16 @@ export default function TierPlansTable() {
         <div className="rounded-lg border bg-card p-4 flex items-start gap-3 mb-4">
           <Layers className="h-4 w-4 text-muted-foreground mt-0.5 shrink-0" />
           <p className="text-sm text-muted-foreground">
-            No tier categories defined.{" "}
+            No subscription categories defined.{" "}
             <Link to="/admin/tiers/categories/add" className="underline text-primary font-medium">
-              Add a tier category
+              Add a subscription category
             </Link>{" "}
             before creating plans.
           </p>
         </div>
       )}
       <DataTable
-        title="Tier Plans"
+        title="Subscriptions"
         data={plans}
         columns={columns}
         attributes={planAttributes}
@@ -138,7 +138,7 @@ export default function TierPlansTable() {
         toolbarActions={toolbarActions}
         selectionActions={selectionActions}
         recordLabel="plan"
-        emptyMessage="No tier plans found."
+        emptyMessage="No subscriptions found."
       />
 
       {/* Single archive — always force-revokes current subscribers' access (no refund), handled server-side */}

src/modules/admin/config/assets/archive/columns.config.jsx

@@ -46,6 +46,6 @@ export function buildDataColumns(attributes, rowActions) {
   return [
     buildSelectionColumn(),
     ...buildColumns(visibleAttributes, { cellOverrides }),
-    buildRowActionsColumn(rowActions, { dropdownLabel: "Asset Actions" }),
+    buildRowActionsColumn(rowActions, { dropdownLabel: "File Actions" }),
   ];
 }

src/modules/admin/config/assets/columns.config.jsx

@@ -46,6 +46,6 @@ export function buildDataColumns(attributes, rowActions) {
   return [
     buildSelectionColumn(),
     ...buildColumns(visibleAttributes, { cellOverrides }),
-    buildRowActionsColumn(rowActions, { dropdownLabel: "Asset Actions" }),
+    buildRowActionsColumn(rowActions, { dropdownLabel: "File Actions" }),
   ];
 }

src/modules/admin/config/assets/toolbar.config.jsx

@@ -42,7 +42,7 @@ export function buildToolbarActions({ fetchAssets, pagination, exportConfig, nav
       key: "add-asset",
       type: "button",
       icon: <Plus className="h-3.5 w-3.5" />,
-      label: "Add Asset",
+      label: "Add File",
       variant: "default",
       className: "text-primary-foreground",
       onClick: () => navigate("add"),
@@ -60,7 +60,7 @@ export function buildToolbarActions({ fetchAssets, pagination, exportConfig, nav
       key: "archived-users",
       type: "button",
       icon: <Archive className="h-3.5 w-3.5" />,
-      label: "Archived Assets",
+      label: "Archived Files",
       variant: "secondary",
       className: "border border-border",
       onClick: () => navigate("/admin/assets/archived"),

src/modules/admin/config/tiers/plans/toolbar.config.jsx

@@ -39,7 +39,7 @@ export function buildToolbarActions({
     {
       key:     "categories",
       type:    "button",
-      label:   "Tier Categories",
+      label:   "Subscription Categories",
       icon:    <Layers className="h-3.5 w-3.5" />,
       variant: "outline",
       onClick: () => navigate("/admin/tiers/categories"),

src/modules/admin/pages/advertisements/AddAdvertisement.jsx

@@ -55,7 +55,7 @@ const schema = z.object({
 
 // ─── Steps ────────────────────────────────────────────────────────────────────
 const ALL_STEPS = [
-    { id: "placement",    label: "Placement",           icon: MapPin,         description: "Choose where this ad appears — Dashboard, Tier Plans, or Course Details." },
+    { id: "placement",    label: "Placement",           icon: MapPin,         description: "Choose where this ad appears — Dashboard, Subscriptions, or Course Details." },
     { id: "content",      label: "Content",             icon: FileText,       description: "Badge labels, headline, description, image, and link for this ad." },
     { id: "scheduling",   label: "Scheduling & Display", icon: CalendarClock,  description: "Start/end dates and draft/active status." },
     { id: "review",       label: "Review",               icon: Check,          description: "Confirm everything before creating this ad." },

src/modules/admin/pages/advertisements/EditAdvertisement.jsx

@@ -267,7 +267,7 @@ export default function EditAdvertisement() {
                             </div>
                         </SectionCard>
 
-                        <SectionCard title="Image" description="Choose an existing asset from Asset Management.">
+                        <SectionCard title="Image" description="Choose an existing file from File Management.">
                             {selectedAsset ? (
                                 <div
                                     className="relative rounded-lg overflow-hidden cursor-pointer border h-36 group"

src/modules/admin/pages/assets/AddAsset.jsx

@@ -5,19 +5,17 @@ import { Link, useNavigate } from "react-router-dom";
 import { useForm, Controller } from "react-hook-form";
 import { z } from "zod";
 import { zodResolver } from "@hookform/resolvers/zod";
+import { toast } from "sonner";
 import { ArrowLeft, ArrowRight, UploadCloud, X, FileVideo, FileText, Image, FileAudio } from "lucide-react";
 
 import { useAssets } from "@/contexts/AdminAssetsContext";
+import { useUploadQueue } from "@/contexts/UploadQueueContext";
 import { useAuth } from "@/contexts/AuthContext";
 import { MAX_ASSET_FILE_SIZE_SINGLE, MAX_ASSET_FILE_SIZE_SINGLE_LABEL } from "@/utils/assetUpload.util";
 import { formatFileSize } from "@/utils/format.util";
 import { useUnsavedChangesGuard } from "@/hooks/useUnsavedChangesGuard";
 import { Button } from "@/components/ui/button";
-import { Input } from "@/components/ui/input";
 import { Label } from "@/components/ui/label";
-import { Textarea } from "@/components/ui/textarea";
-import { Spinner } from "@/components/ui/spinner";
-import { Progress } from "@/components/ui/progress";
 import {
     Select,
     SelectContent,
@@ -39,8 +37,6 @@ function resolveFileType(mimeType = "") {
 // ─── Schema ───────────────────────────────────────────────────────────────────
 
 const schema = z.object({
-    display_name:     z.string().min(1, "Display name is required."),
-    description:      z.string().optional(),
     is_public:        z.enum(["true", "false"]),
     storage_provider: z.enum(["chibisafe", "local", "s3"]),
 });
@@ -119,16 +115,15 @@ function FieldError({ message }) {
 
 export default function AddAsset() {
     const navigate = useNavigate();
-    const { uploadAsset, loading } = useAssets();
+    const { fetchAssets } = useAssets();
+    const { addBatch } = useUploadQueue();
     const { user } = useAuth();
 
     const fileRef      = useRef(null);
     const thumbnailRef = useRef(null);
     const [thumbKey, setThumbKey] = useState(0);
-    const [progress, setProgress] = useState(null); // { phase: 'uploading'|'processing'|'done'|'error', pct } | null
 
     const {
-        register,
         control,
         handleSubmit,
         setValue,
@@ -139,8 +134,6 @@ export default function AddAsset() {
     } = useForm({
         resolver: zodResolver(schema),
         defaultValues: {
-            display_name:     "",
-            description:      "",
             is_public:        "false",
             storage_provider: "s3", // ← changed from "chibisafe"
         },
@@ -164,7 +157,6 @@ export default function AddAsset() {
         }
         fileRef.current = f;
         setValue("_file", f);
-        if (!watch("display_name")) setValue("display_name", f.name);
         clearErrors("_file");
     };
 
@@ -174,40 +166,46 @@ export default function AddAsset() {
         clearErrors("_thumbnail");
     };
 
-    const onSubmit = async (data) => {
-        let hasFileError = false;
-
+    // Fire-and-forget: the job goes on the same global UploadQueueContext the
+    // Bulk flow uses, so it keeps uploading in the background no matter where
+    // you navigate to next — a single sonner toast.promise() tracks it
+    // through loading -> success/error instead of a dedicated widget.
+    const onSubmit = (data) => {
         if (!fileRef.current) {
             setError("_file", { message: "A file is required." });
-            hasFileError = true;
+            return;
         }
 
-        if (hasFileError) return;
-
-        setProgress({ phase: "uploading", pct: 0 });
-        const result = await uploadAsset({
-            file:             fileRef.current,
-            thumbnail:        thumbnailRef.current ?? undefined,
-            display_name:     data.display_name,
-            description:      data.description ?? "",
-            file_type:        fileType,
+        const fileName = fileRef.current.name;
+        const uploadPromise = new Promise((resolve, reject) => {
+            addBatch(
+                [{ file: fileRef.current, thumbnail: thumbnailRef.current ?? undefined }],
+                {
                     is_public:        data.is_public === "true",
                     storage_provider: data.storage_provider,
                     createdBy:        user?.user_id,
-            onProgress:       setProgress,
+                },
+                {
+                    source: "single",
+                    onSettled: ([result]) => {
+                        fetchAssets({ force: true });
+                        if (result?.status === "uploaded") resolve(result);
+                        else reject(new Error(result?.error || "Upload failed."));
+                    },
+                }
+            );
         });
-        setProgress(null);
 
-        if (result) { bypassOnce(); navigate("/admin/assets"); }
+        toast.promise(uploadPromise, {
+            loading: `Uploading ${fileName}…`,
+            success: (result) => `${result.name} uploaded successfully.`,
+            error: (err) => err.message || "Upload failed.",
+        });
+
+        bypassOnce();
+        navigate("/admin/assets");
     };
 
-    const progressLabel = {
-        uploading:  "Uploading…",
-        processing: "Processing…",
-        done:       "Done.",
-        error:      "Upload failed.",
-    }[progress?.phase];
-
     return (
         <div className="max-w-2xl mx-auto px-4 py-6 space-y-6">
 
@@ -217,8 +215,8 @@ export default function AddAsset() {
                     <ArrowLeft className="h-4 w-4" />
                 </Button>
                 <div>
-                    <h1 className="text-xl font-semibold">Add Asset</h1>
-                    <p className="text-sm text-muted-foreground">Upload a new file to the asset library.</p>
+                    <h1 className="text-xl font-semibold">Add File</h1>
+                    <p className="text-sm text-muted-foreground">Upload a new file to the file library.</p>
                 </div>
             </div>
 
@@ -236,7 +234,6 @@ export default function AddAsset() {
                             onClear={() => {
                                 fileRef.current = null;
                                 setValue("_file", null);
-                                setValue("display_name", "");
                                 clearErrors("_file");
                             }}
                             error={errors._file?.message}
@@ -277,30 +274,6 @@ export default function AddAsset() {
                         </div>
                     )}
 
-                    {/* ── Display Name ── */}
-                    <div className="space-y-1.5">
-                        <Label htmlFor="display_name">
-                            Display Name <span className="text-destructive">*</span>
-                        </Label>
-                        <Input
-                            id="display_name"
-                            placeholder="Friendly name for this asset"
-                            {...register("display_name")}
-                        />
-                        <FieldError message={errors.display_name?.message} />
-                    </div>
-
-                    {/* ── Description ── */}
-                    <div className="space-y-1.5">
-                        <Label htmlFor="description">Description</Label>
-                        <Textarea
-                            id="description"
-                            placeholder="Optional description"
-                            rows={3}
-                            {...register("description")}
-                        />
-                    </div>
-
                     {/* ── File Type · Access · Storage (one row) ── */}
                     <div className="grid grid-cols-3 gap-4">
 
@@ -355,29 +328,12 @@ export default function AddAsset() {
 
                 </div>
 
-                {/* ── Upload progress (real — see AdminAssetsContext.uploadAsset) ── */}
-                {progress && (
-                    <div className="space-y-1.5">
-                        <div className="flex items-center justify-between text-xs text-muted-foreground">
-                            <span>{progressLabel}</span>
-                            <span>{progress.pct ?? 0}%</span>
-                        </div>
-                        <Progress value={progress.pct ?? 0} />
-                    </div>
-                )}
-
                 {/* ── Actions ── */}
                 <div className="flex justify-end gap-3">
-                    <Button
-                        type="button"
-                        variant="outline"
-                        onClick={() => navigate("/admin/assets")}
-                        disabled={loading}
-                    >
+                    <Button type="button" variant="outline" onClick={() => navigate("/admin/assets")}>
                         Cancel
                     </Button>
-                    <Button type="submit" disabled={loading}>
-                        {loading && <Spinner className="h-4 w-4 mr-2" />}
+                    <Button type="submit">
                         Upload Asset
                     </Button>
                 </div>

src/modules/admin/pages/assets/AddAssetsBulk.jsx

@@ -122,9 +122,14 @@ function FileRow({ job, onRetry, onRemove }) {
 export default function AddAssetsBulk() {
     const navigate = useNavigate();
     const { fetchAssets } = useAssets();
-    const { jobs, addBatch, retryJob, removeJob, clearFinished } = useUploadQueue();
+    const { jobs: allJobs, addBatch, retryJob, removeJob, clearFinished } = useUploadQueue();
     const { user } = useAuth();
 
+    // Add File (single) shares this same queue so its upload survives
+    // navigation too — but it's a separate flow the user never asked to
+    // batch, so it shouldn't appear here looking like part of a bulk run.
+    const jobs = allJobs.filter((j) => j.source === "bulk");
+
     const [isPublic, setIsPublic] = useState("false");
     // TEMPORARY: locked to S3 (see zrok tunnel note; revert after VPS migration)
     const storageProvider = "s3";
@@ -140,6 +145,7 @@ export default function AddAssetsBulk() {
             createdBy: user?.user_id,
         }, {
             onSettled: () => fetchAssets({ force: true }),
+            source: "bulk",
         });
     };
 
@@ -152,9 +158,9 @@ export default function AddAssetsBulk() {
                     <ArrowLeft className="h-4 w-4" />
                 </Button>
                 <div>
-                    <h1 className="text-xl font-semibold">Uploading Assets</h1>
+                    <h1 className="text-xl font-semibold">Uploading Files</h1>
                     <p className="text-sm text-muted-foreground">
-                        {total ? `${total} file${total === 1 ? "" : "s"} · ${done} done · ${failed} failed` : "Upload one or more files to the asset library."}
+                        {total ? `${total} file${total === 1 ? "" : "s"} · ${done} done · ${failed} failed` : "Upload one or more files to the file library."}
                     </p>
                 </div>
             </div>
@@ -195,7 +201,7 @@ export default function AddAssetsBulk() {
                     <div className="flex items-center justify-between">
                         <span className="text-sm font-medium text-muted-foreground">Files</span>
                         {(done > 0 || failed > 0) && (
-                            <Button type="button" variant="ghost" size="sm" onClick={clearFinished}>
+                            <Button type="button" variant="ghost" size="sm" onClick={() => clearFinished("bulk")}>
                                 <Trash2 className="h-3.5 w-3.5 mr-1" /> Clear finished
                             </Button>
                         )}

src/modules/admin/pages/assets/ArchivedAssets.jsx

@@ -6,7 +6,7 @@ import ArchivedAssetsTable from "../../components/assets/ArchivedAssetsTable";
 export default function ArchivedAssetList() {
     const items = [
         { label: "Home", icon: <House className="size-4" />, to: `/admin` },
-        { label: "Assets", to: `/admin/assets` },
+        { label: "Files", to: `/admin/assets` },
         { label: "Archived" },
     ];
 

src/modules/admin/pages/assets/AssetList.jsx

@@ -6,7 +6,7 @@ import AssetsTable from "../../components/assets/AssetsTable";
 export default function AssetList() {
   const items = [
     { label: "Home", icon: <House className="size-4" />, to: `/admin` },
-    { label: "Assets" },
+    { label: "Files" },
   ]
 
   return (

src/modules/admin/pages/assets/EditAsset.jsx

@@ -209,7 +209,7 @@ export default function EditAsset() {
     if (!asset) {
         return (
             <div className="max-w-2xl mx-auto px-4 py-6">
-                <p className="text-sm text-muted-foreground">Asset not found.</p>
+                <p className="text-sm text-muted-foreground">File not found.</p>
             </div>
         );
     }
@@ -223,7 +223,7 @@ export default function EditAsset() {
                     <ArrowLeft className="h-4 w-4" />
                 </Button>
                 <div>
-                    <h1 className="text-xl font-semibold">Edit Asset</h1>
+                    <h1 className="text-xl font-semibold">Edit File</h1>
                     <p className="text-sm text-muted-foreground truncate max-w-sm">
                         {asset.original_name}
                     </p>
@@ -287,7 +287,7 @@ export default function EditAsset() {
                         </Label>
                         <Input
                             id="display_name"
-                            placeholder="Friendly name for this asset"
+                            placeholder="Friendly name for this file"
                             {...register("display_name")}
                         />
                         <FieldError message={errors.display_name?.message} />

src/modules/admin/pages/assets/ViewAudioAsset.jsx

@@ -43,7 +43,7 @@ export default function ViewAudioAsset() {
     if (notFound) {
         return (
             <div className="flex flex-col items-center justify-center h-96 gap-3 text-muted-foreground">
-                <p>Asset not found.</p>
+                <p>File not found.</p>
                 <Button variant="outline" onClick={() => navigate("/admin/assets")}>Go Back</Button>
             </div>
         );

src/modules/admin/pages/assets/ViewDocumentAsset.jsx

@@ -40,7 +40,7 @@ export default function ViewDocumentAsset() {
     if (notFound) {
         return (
             <div className="flex flex-col items-center justify-center h-96 gap-3 text-muted-foreground">
-                <p>Asset not found.</p>
+                <p>File not found.</p>
                 <Button variant="outline" onClick={() => navigate("/admin/assets")}>Go Back</Button>
             </div>
         );

src/modules/admin/pages/assets/ViewImageAsset.jsx

@@ -51,7 +51,7 @@ export default function ViewImageAsset() {
   if (notFound) {
     return (
       <div className="flex flex-col items-center justify-center h-96 gap-3 text-muted-foreground">
-        <p>Asset not found.</p>
+        <p>File not found.</p>
         <Button variant="outline" onClick={() => navigate("/admin/assets")}>Go Back</Button>
       </div>
     );

src/modules/admin/pages/assets/ViewVideoAsset.jsx

@@ -37,7 +37,7 @@ export default function ViewVideoAsset() {
     if (notFound) {
         return (
             <div className="flex flex-col items-center justify-center h-96 gap-3 text-muted-foreground">
-                <p>Asset not found.</p>
+                <p>File not found.</p>
                 <Button variant="outline" onClick={() => navigate("/admin/assets")}>Go Back</Button>
             </div>
         );

src/modules/admin/pages/courses/AddCourse.jsx

@@ -593,7 +593,7 @@ export default function AddCourse() {
                             className="h-7 text-xs"
                           >
                             <ImagePlus className="h-3 w-3 mr-1" />
-                            {badgeImageUrl ? "Change" : "Pick from assets"}
+                            {badgeImageUrl ? "Change" : "Pick from files"}
                           </Button>
                           {badgeImageUrl && (
                             <Button

src/modules/admin/pages/courses/CourseList.jsx

@@ -21,10 +21,10 @@ export default function CourseList() {
           {/* <div className="flex items-start gap-3 rounded-lg border bg-card p-4 text-sm">
             <Layers className="h-4 w-4 mt-0.5 shrink-0 text-muted-foreground" />
             <p className="text-muted-foreground">
-              Courses are organized under <span className="font-medium text-foreground">Tier Plans</span> — each course's{" "}
+              Courses are organized under <span className="font-medium text-foreground">Subscriptions</span> — each course's{" "}
               <span className="font-medium text-foreground">Subscription</span> value determines which plan bundle it belongs to.{" "}
               <Link to="/admin/tiers/plans" className="text-primary hover:underline font-medium">
-                Manage Tier Plans
+                Manage Subscriptions
               </Link>
               {" "}· Units and Lessons now run independently — build them once in the{" "}
               <Link to="/admin/units" className="text-primary hover:underline font-medium">

src/modules/admin/pages/courses/EditCourse.jsx

@@ -988,7 +988,7 @@ export default function EditCourse() {
                             className="h-7 text-xs"
                           >
                             <ImagePlus className="h-3 w-3 mr-1" />
-                            {badgeImageUrl ? "Change" : "Pick from assets"}
+                            {badgeImageUrl ? "Change" : "Pick from files"}
                           </Button>
                           {badgeImageUrl && (
                             <Button

src/modules/admin/pages/courses/lessons/AddLesson.jsx

@@ -103,7 +103,7 @@ function StepDetails({ register, errors, control, setValue, tierCategories }) {
             onValueChange={(val) => setValue("subscription", val, { shouldDirty: true })}
           >
             <SelectTrigger>
-              <SelectValue placeholder="No tier gate" />
+              <SelectValue placeholder="No subscription gate" />
             </SelectTrigger>
             <SelectContent>
               {tierCategories.map((c) => (

src/modules/admin/pages/courses/lessons/EditLesson.jsx

@@ -156,7 +156,7 @@ export default function EditLesson() {
                   onValueChange={(val) => setValue("subscription", val, { shouldDirty: true })}
                 >
                   <SelectTrigger>
-                    <SelectValue placeholder="No tier gate" />
+                    <SelectValue placeholder="No subscription gate" />
                   </SelectTrigger>
                   <SelectContent>
                     {tierCategories.map((c) => (

src/modules/admin/pages/courses/units/AddUnit.jsx

@@ -201,7 +201,7 @@ export default function AddUnit() {
                         onValueChange={(val) => setValue("subscription", val, { shouldDirty: true })}
                       >
                         <SelectTrigger>
-                          <SelectValue placeholder="No tier gate" />
+                          <SelectValue placeholder="No subscription gate" />
                         </SelectTrigger>
                         <SelectContent>
                           {tierCategories.map((c) => (

src/modules/admin/pages/courses/units/EditUnit.jsx

@@ -128,7 +128,7 @@ export default function EditUnit() {
                   onValueChange={(val) => setValue("subscription", val, { shouldDirty: true })}
                 >
                   <SelectTrigger>
-                    <SelectValue placeholder="No tier gate" />
+                    <SelectValue placeholder="No subscription gate" />
                   </SelectTrigger>
                   <SelectContent>
                     {tierCategories.map((c) => (

src/modules/admin/pages/library/lessons/AddLibraryLesson.jsx

@@ -87,7 +87,7 @@ function StepLesson({ register, errors, control, setValue, tierCategories }) {
           onValueChange={(val) => setValue("subscription", val, { shouldDirty: true })}
         >
           <SelectTrigger>
-            <SelectValue placeholder="No tier gate" />
+            <SelectValue placeholder="No subscription gate" />
           </SelectTrigger>
           <SelectContent>
             {tierCategories.map((c) => (

src/modules/admin/pages/library/lessons/EditLibraryLesson.jsx

@@ -113,7 +113,7 @@ export default function EditLibraryLesson() {
                   onValueChange={(val) => setValue("subscription", val, { shouldDirty: true })}
                 >
                   <SelectTrigger>
-                    <SelectValue placeholder="No tier gate" />
+                    <SelectValue placeholder="No subscription gate" />
                   </SelectTrigger>
                   <SelectContent>
                     {tierCategories.map((c) => (

src/modules/admin/pages/library/lessons/ViewLibraryLesson.jsx

@@ -1,12 +1,13 @@
 import { useEffect, useState } from "react";
 import { useNavigate, useParams, Link } from "react-router-dom";
 import {
-  House, Pencil, LayoutTemplate, Clock, BookCheck,
+  House, Pencil, LayoutTemplate, Clock, BookCheck, Link2, Unlink,
 } from "lucide-react";
 
 import { useLibrary } from "@/contexts/AdminLibraryContext";
 import { PageMeta } from "@/contexts/MetadataContext";
 import AppBreadcrumb from "@/components/generic/Breadcrumb/AppBreadcrumb";
+import AttachLessonToUnitsDialog from "../../../components/library/AttachLessonToUnitsDialog";
 import { Button } from "@/components/ui/button";
 import { Badge } from "@/components/ui/badge";
 import { Spinner } from "@/components/ui/spinner";
@@ -16,8 +17,9 @@ import { PreviewChrome, PreviewContent } from "../../../components/courses/Lesso
 export default function ViewLibraryLesson() {
   const navigate = useNavigate();
   const { lessonId } = useParams();
-  const { fetchLesson, lesson, loading } = useLibrary();
+  const { fetchLesson, lesson, loading, attachLessonToUnits, detachLessonFromUnit } = useLibrary();
   const [initializing, setInitializing] = useState(true);
+  const [attachOpen, setAttachOpen] = useState(false);
 
   useEffect(() => {
     (async () => {
@@ -36,6 +38,16 @@ export default function ViewLibraryLesson() {
   const blocks = lesson?.page?.blocks ?? [];
   const objectives = lesson?.objectives ?? [];
 
+  const handleAttach = async (unitIds) => {
+    await attachLessonToUnits(lessonId, unitIds);
+    fetchLesson(lessonId);
+  };
+
+  const handleDetach = async (unitId) => {
+    await detachLessonFromUnit(unitId, lessonId);
+    fetchLesson(lessonId);
+  };
+
   if (initializing) {
     return (
       <div className="flex items-center justify-center h-64">
@@ -64,6 +76,23 @@ export default function ViewLibraryLesson() {
                 )}
               </div>
               <div className="flex gap-2 shrink-0">
+                {units.length === 0 && (
+                  <Button size="sm" variant="outline" onClick={() => setAttachOpen(true)}>
+                    <Link2 className="h-3.5 w-3.5 mr-1.5" /> Attach to Unit
+                  </Button>
+                )}
+                {units.map((u) => (
+                  <Button
+                    key={u.unit_id}
+                    size="sm"
+                    variant="destructive"
+                    onClick={() => handleDetach(u.unit_id)}
+                    disabled={loading}
+                    title={`Detach from ${u.title} (lesson stays in library)`}
+                  >
+                    <Unlink className="h-3.5 w-3.5 mr-1.5" /> Detach from Unit
+                  </Button>
+                ))}
                 <Button size="sm" variant="outline" onClick={() => navigate(`/admin/lessons/${lessonId}/edit`)}>
                   <Pencil className="h-3.5 w-3.5 mr-1.5" /> Edit
                 </Button>
@@ -99,7 +128,7 @@ export default function ViewLibraryLesson() {
               <div className="bg-muted/60 rounded-lg p-3 space-y-1">
                 <p className="text-xs text-muted-foreground uppercase tracking-wide font-medium">Subscription</p>
                 <Badge variant={lesson?.subscription ? "outline" : "secondary"} className="capitalize">
-                  {lesson?.subscription ?? "No tier gate"}
+                  {lesson?.subscription ?? "No subscription gate"}
                 </Badge>
               </div>
             </div>
@@ -159,6 +188,14 @@ export default function ViewLibraryLesson() {
           </div>
         </div>
       </div>
+
+      <AttachLessonToUnitsDialog
+        open={attachOpen}
+        onOpenChange={setAttachOpen}
+        attachedUnitIds={units.map((u) => u.unit_id)}
+        onAttach={handleAttach}
+        loading={loading}
+      />
     </section>
   );
 }

src/modules/admin/pages/library/units/AddLibraryUnit.jsx

@@ -107,7 +107,7 @@ function StepUnit({ register, errors, control, setValue, tierCategories }) {
           onValueChange={(val) => setValue("subscription", val, { shouldDirty: true })}
         >
           <SelectTrigger>
-            <SelectValue placeholder="No tier gate" />
+            <SelectValue placeholder="No subscription gate" />
           </SelectTrigger>
           <SelectContent>
             {tierCategories.map((c) => (

src/modules/admin/pages/library/units/EditLibraryUnit.jsx

@@ -113,7 +113,7 @@ export default function EditLibraryUnit() {
                   onValueChange={(val) => setValue("subscription", val, { shouldDirty: true })}
                 >
                   <SelectTrigger>
-                    <SelectValue placeholder="No tier gate" />
+                    <SelectValue placeholder="No subscription gate" />
                   </SelectTrigger>
                   <SelectContent>
                     {tierCategories.map((c) => (

src/modules/admin/pages/library/units/ViewLibraryUnit.jsx

@@ -166,7 +166,7 @@ export default function ViewLibraryUnit() {
               <div className="bg-muted/60 rounded-lg p-3 space-y-1">
                 <p className="text-xs text-muted-foreground uppercase tracking-wide font-medium">Subscription</p>
                 <Badge variant={unit?.subscription ? "outline" : "secondary"} className="capitalize">
-                  {unit?.subscription ?? "No tier gate"}
+                  {unit?.subscription ?? "No subscription gate"}
                 </Badge>
               </div>
             </div>

src/modules/admin/pages/tiers/AddPlan.jsx

@@ -46,7 +46,7 @@ const BUNDLE_TYPES = [
 ];
 
 const schema = z.object({
-    tier_category_id: z.string().min(1, "Tier category is required."),
+    tier_category_id: z.string().min(1, "Subscription category is required."),
     label:            z.string().min(1, "Label is required."),
     description:      z.string().optional(),
     features:         z.array(z.object({ text: z.string().min(1, "Feature cannot be empty.") })).default([]),
@@ -335,7 +335,7 @@ export default function AddPlan() {
                         </Button>
                         <div>
                             <h1 className="text-xl font-semibold">Add Plan</h1>
-                            <p className="text-sm text-muted-foreground">Create a new paid tier plan.</p>
+                            <p className="text-sm text-muted-foreground">Create a new paid subscription plan.</p>
                         </div>
                     </div>
 
@@ -345,17 +345,17 @@ export default function AddPlan() {
 
                         {/* ── Step 0: Bundles & Details ── */}
                         {currentStep === 0 && (
-                            <SectionCard title="Bundles & Details" description="Which tier category this targets, what it unlocks, and how it's presented.">
+                            <SectionCard title="Bundles & Details" description="Which subscription category this targets, what it unlocks, and how it's presented.">
 
                                 <div className="space-y-1.5">
-                                    <Label>Tier Category <span className="text-destructive">*</span></Label>
+                                    <Label>Subscription Category <span className="text-destructive">*</span></Label>
                                     {catLoading ? (
                                         <div className="flex items-center gap-2 text-sm text-muted-foreground py-2">
                                             <Spinner className="h-4 w-4" /> Loading categories…
                                         </div>
                                     ) : categories.length === 0 ? (
                                         <p className="text-sm text-muted-foreground py-2">
-                                            No tier categories found.{" "}
+                                            No subscription categories found.{" "}
                                             <a href="/admin/tiers/categories/add" className="underline text-primary">Add one first.</a>
                                         </p>
                                     ) : (
@@ -364,7 +364,7 @@ export default function AddPlan() {
                                             onValueChange={(v) => setValue("tier_category_id", v, { shouldDirty: true })}
                                         >
                                             <SelectTrigger>
-                                                <SelectValue placeholder="Select tier category" />
+                                                <SelectValue placeholder="Select subscription category" />
                                             </SelectTrigger>
                                             <SelectContent>
                                                 {categories.map((c) => (
@@ -560,7 +560,7 @@ export default function AddPlan() {
                             <SectionCard title="Review" description="Confirm everything before creating this plan.">
 
                                 <div className="space-y-1.5">
-                                    <Label className="text-xs text-muted-foreground">Tier Category</Label>
+                                    <Label className="text-xs text-muted-foreground">Subscription Category</Label>
                                     <p className="text-sm">
                                         {selectedCategory ? `${selectedCategory.name} (${selectedCategory.slug})` : "—"}
                                     </p>

src/modules/admin/pages/tiers/ArchivedPlanList.jsx

@@ -11,7 +11,7 @@ export default function ArchivedPlanList() {
 
   const items = [
     { label: "Home", icon: <House className="size-4" />, to: "/admin" },
-    { label: "Tiers", to: "/admin/tiers/plans" },
+    { label: "Subscriptions", to: "/admin/tiers/plans" },
     { label: "Plans", to: "/admin/tiers/plans" },
     { label: "Archived" },
   ];

src/modules/admin/pages/tiers/EditTierCategory.jsx

@@ -121,7 +121,7 @@ function BadgePicker({ currentAsset, selectedAsset, onSelect, onClear }) {
                 <div className="flex flex-col gap-1.5">
                     <Button type="button" variant="outline" size="sm" onClick={() => setOpen(true)}>
                         <ImagePlus className="h-3.5 w-3.5 mr-1.5" />
-                        {display ? "Change image" : "Pick from assets"}
+                        {display ? "Change image" : "Pick from files"}
                     </Button>
                     {display && (
                         <Button type="button" variant="ghost" size="sm" className="text-destructive hover:text-destructive" onClick={onClear}>
@@ -212,14 +212,14 @@ function EditTierCategoryInner({ isAdd }) {
 
     return (
         <section className="bg-muted/60 min-h-full">
-            <PageMeta title={isAdd ? "Add Tier Category - STARR" : "Edit Tier Category - STARR"} />
+            <PageMeta title={isAdd ? "Add Subscription Category - STARR" : "Edit Subscription Category - STARR"} />
             <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-start px-4 py-10">
                 <div className="w-full max-w-2xl mx-auto">
 
                     <div className="flex flex-col gap-2 mb-6">
                         <AppBreadcrumb items={[
                             { label: "Home",             icon: <House className="size-4" />, to: "/admin" },
-                            { label: "Tier Categories",  to: "/admin/tiers/categories" },
+                            { label: "Subscription Categories",  to: "/admin/tiers/categories" },
                             { label: isAdd ? "Add Category" : (category?.name ?? "Edit") },
                         ]} />
                     </div>
@@ -229,9 +229,9 @@ function EditTierCategoryInner({ isAdd }) {
                             <ArrowLeft className="h-4 w-4" />
                         </Button>
                         <div>
-                            <h1 className="text-xl font-semibold">{isAdd ? "Add Tier Category" : "Edit Tier Category"}</h1>
+                            <h1 className="text-xl font-semibold">{isAdd ? "Add Subscription Category" : "Edit Subscription Category"}</h1>
                             <p className="text-sm text-muted-foreground">
-                                {isAdd ? "Define a new tier level for the platform." : "Update this tier category's details and badge."}
+                                {isAdd ? "Define a new subscription level for the platform." : "Update this subscription category's details and badge."}
                             </p>
                         </div>
                     </div>
@@ -268,9 +268,9 @@ function EditTierCategoryInner({ isAdd }) {
                             <div className="space-y-1.5">
                                 <Label htmlFor="rank">Rank (ordering)</Label>
                                 <Input id="rank" type="number" min={isLocked ? 0 : 1} value={rank} onChange={(e) => setRank(e.target.value)} className="w-32" />
-                                <p className="text-xs text-muted-foreground">Must be greater than 0. Free is rank 0. Higher rank = higher access tier.</p>
+                                <p className="text-xs text-muted-foreground">Must be greater than 0. Free is rank 0. Higher rank = higher access subscription.</p>
                                 {!isLocked && Number(rank) <= 0 && (
-                                    <p className="text-xs text-destructive">Rank must be at least 1 — rank 0 is reserved for the Free (default) tier.</p>
+                                    <p className="text-xs text-destructive">Rank must be at least 1 — rank 0 is reserved for the Free (default) subscription.</p>
                                 )}
                             </div>
 

src/modules/admin/pages/tiers/PaymentList.jsx

@@ -19,7 +19,7 @@ export default function PaymentList() {
 
   const items = [
     { label: "Home", icon: <House className="size-4" />, to: "/admin" },
-    { label: "Tiers", to: "/admin/tiers/plans" },
+    { label: "Subscriptions", to: "/admin/tiers/plans" },
     { label: "Payments" },
   ];
 

src/modules/admin/pages/tiers/PlanList.jsx

@@ -12,7 +12,7 @@ export default function PlanList() {
 
   const items = [
     { label: "Home", icon: <House className="size-4" />, to: "/admin" },
-    { label: "Tiers", to: "/admin/tiers/plans" },
+    { label: "Subscriptions", to: "/admin/tiers/plans" },
     { label: "Plans" },
   ];
 

src/modules/admin/pages/tiers/SystemBadges.jsx

@@ -88,7 +88,7 @@ function SystemBadgeCard({ badge: initialBadge }) {
           <div className="flex flex-col gap-1.5">
             <Button type="button" variant="outline" size="sm" onClick={() => setPickerOpen(true)}>
               <ImagePlus className="h-3.5 w-3.5 mr-1.5" />
-              {displayAsset ? "Change image" : "Pick from assets"}
+              {displayAsset ? "Change image" : "Pick from files"}
             </Button>
             {displayAsset && (
               <Button type="button" variant="ghost" size="sm" className="text-destructive hover:text-destructive" onClick={handleClear}>

src/modules/admin/pages/tiers/TierCategories.jsx

@@ -87,21 +87,21 @@ function TierCategoriesInner() {
 
     return (
         <section className="bg-muted/60 min-h-full">
-            <PageMeta title="Tier Categories - STARR" />
+            <PageMeta title="Subscription Categories - STARR" />
             <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-start px-4 py-10">
                 <div className="w-full max-w-2xl mx-auto">
 
                     <div className="flex flex-col gap-2 mb-6">
                         <AppBreadcrumb items={[
                             { label: "Home",  icon: <House className="size-4" />, to: "/admin" },
-                            { label: "Tiers", to: "/admin/tiers/plans" },
-                            { label: "Tier Categories" },
+                            { label: "Subscriptions", to: "/admin/tiers/plans" },
+                            { label: "Subscription Categories" },
                         ]} />
                     </div>
 
                     <div className="flex items-center justify-between mb-6">
                         <div>
-                            <h1 className="text-xl font-semibold">Tier Categories</h1>
+                            <h1 className="text-xl font-semibold">Subscription Categories</h1>
                             <p className="text-sm text-muted-foreground mt-0.5">
                                 Define the tier levels available on the platform. Plans are built under each category.
                             </p>
@@ -125,7 +125,7 @@ function TierCategoriesInner() {
                     {loading && !categories.length ? (
                         <div className="flex justify-center py-12"><Spinner className="h-5 w-5" /></div>
                     ) : !categories.length ? (
-                        <p className="text-sm text-muted-foreground text-center py-12">No tier categories found.</p>
+                        <p className="text-sm text-muted-foreground text-center py-12">No subscription categories found.</p>
                     ) : (
                         <div className="space-y-3">
                             {categories.map((cat) => (
@@ -145,7 +145,7 @@ function TierCategoriesInner() {
             <Dialog open={!!deleteTarget} onOpenChange={(open) => { if (!open) setDeleteTarget(null); }}>
                 <DialogContent className="sm:max-w-sm">
                     <DialogHeader>
-                        <DialogTitle>Delete Tier Category</DialogTitle>
+                        <DialogTitle>Delete Subscription Category</DialogTitle>
                         <DialogDescription>
                             Are you sure you want to delete{" "}
                             <span className="font-semibold text-foreground">{deleteTarget?.name}</span>?

src/modules/admin/pages/tiers/UserTierList.jsx

@@ -111,7 +111,7 @@ export default function UserTierList() {
 
   return (
     <section className="bg-muted/60 min-h-full">
-      <PageMeta title="User Tier Management - STARR" />
+      <PageMeta title="User Subscription Management - STARR" />
       <div className="lg:container lg:mx-auto lg:px-0 flex flex-col items-start px-4 py-10">
         <div className="w-full max-w-2xl mx-auto">
 
@@ -120,7 +120,7 @@ export default function UserTierList() {
               { label: "Home", icon: <House className="size-4" />, to: "/admin" },
               { label: "Users", to: "/admin/users" },
               { label: `User #${userId}`, to: `/admin/users/view/${userId}` },
-              { label: "Tiers" },
+              { label: "Subscriptions" },
             ]} />
           </div>
 
@@ -130,7 +130,7 @@ export default function UserTierList() {
                 <ArrowLeft className="h-4 w-4" />
               </Button>
               <div>
-                <h1 className="text-xl font-semibold">User Tiers</h1>
+                <h1 className="text-xl font-semibold">User Subscriptions</h1>
                 <p className="text-sm text-muted-foreground">Tier history for User #{userId}</p>
               </div>
             </div>
@@ -144,7 +144,7 @@ export default function UserTierList() {
           {activeTier && (
             <div className="mb-5 rounded-lg border bg-card p-5 flex items-center justify-between gap-4">
               <div className="space-y-1">
-                <p className="text-xs text-muted-foreground uppercase tracking-wide">Current Tier</p>
+                <p className="text-xs text-muted-foreground uppercase tracking-wide">Current Subscription</p>
                 <div className="flex items-center gap-2">
                   <span className="text-sm px-3 py-0.5">{tierBadge(activeTier.tier)}</span>
                   {activeTier.expires_at && (
@@ -169,9 +169,9 @@ export default function UserTierList() {
               {[...Array(3)].map((_, i) => <Skeleton key={i} className="h-24 w-full" />)}
             </div>
           ) : (
-            <SectionCard icon={BadgeCheck} title="Tier History">
+            <SectionCard icon={BadgeCheck} title="Subscription History">
               {userTiers.length === 0 ? (
-                <p className="text-sm text-muted-foreground text-center py-4">No tier records found.</p>
+                <p className="text-sm text-muted-foreground text-center py-4">No subscription records found.</p>
               ) : (
                 <div className="space-y-4">
                   {userTiers.map((t) => (
@@ -206,11 +206,11 @@ export default function UserTierList() {
       <Dialog open={grantOpen} onOpenChange={setGrantOpen}>
         <DialogContent className="sm:max-w-md">
           <DialogHeader>
-            <DialogTitle>Grant Tier</DialogTitle>
+            <DialogTitle>Grant Subscription</DialogTitle>
           </DialogHeader>
           <div className="space-y-4 py-2">
             <div className="space-y-1.5">
-              <Label>Tier</Label>
+              <Label>Subscription</Label>
               <Select
                 value={grantForm.tier}
                 onValueChange={(v) => setGrantForm((p) => ({ ...p, tier: v, plan_id: "" }))}
@@ -232,7 +232,7 @@ export default function UserTierList() {
                 disabled={!filteredPlans.length}
               >
                 <SelectTrigger>
-                  <SelectValue placeholder={filteredPlans.length ? "Select a plan" : "No active plans for this tier"} />
+                  <SelectValue placeholder={filteredPlans.length ? "Select a plan" : "No active plans for this subscription"} />
                 </SelectTrigger>
                 <SelectContent>
                   {filteredPlans.map((p) => (
@@ -271,7 +271,7 @@ export default function UserTierList() {
       <AlertDialog open={!!revokeTarget} onOpenChange={(o) => !o && setRevokeTarget(null)}>
         <AlertDialogContent>
           <AlertDialogHeader>
-            <AlertDialogTitle>Revoke tier?</AlertDialogTitle>
+            <AlertDialogTitle>Revoke subscription?</AlertDialogTitle>
             <AlertDialogDescription>
               The user's <strong className="capitalize">{revokeTarget?.tier}</strong> tier will be revoked
               and they'll be automatically downgraded to Free.

src/modules/admin/pages/tiers/ViewPayment.jsx

@@ -204,7 +204,7 @@ export default function ViewPayment() {
                 <SectionCard icon={BadgeCheck} title="Plan">
                   <div className="grid grid-cols-2 gap-4">
                     <InfoRow label="Label">{payment.plan.label}</InfoRow>
-                    <InfoRow label="Tier">
+                    <InfoRow label="Subscription">
                       {(() => { const { cls, label } = resolveTierBadge(payment.plan.tier, tierMap); return <Badge className={`${cls} mt-0.5`}>{label}</Badge>; })()}
                     </InfoRow>
                     <InfoRow label="Duration">{payment.plan.duration_days} days</InfoRow>

src/modules/admin/pages/tiers/ViewPlan.jsx

@@ -97,7 +97,7 @@ function PlanDetailsTab({ plan, loading, tierMap, assignedCourses, coursesLoadin
       <SectionCard icon={Tag} title="Plan Details">
         <div className="grid grid-cols-2 gap-4">
           <InfoRow label="Label">{plan.label}</InfoRow>
-          <InfoRow label="Tier">
+          <InfoRow label="Subscription">
             {(() => {
               const { cls, label } = resolveTierBadge(plan.tier, tierMap);
               return <Badge className={`${cls} mt-0.5`}>{label}</Badge>;

src/modules/client/components/LockedContentPanel.jsx

@@ -58,7 +58,7 @@ export default function LockedContentPanel({ course, item, tierMap = {}, checkou
             <Zap className="size-4" /> View Available Plans
           </Button>
         </div>
-        <p className="text-xs text-muted-foreground">Already subscribed? Your plan may not cover this tier.</p>
+        <p className="text-xs text-muted-foreground">Already subscribed? Your plan may not cover this subscription.</p>
       </div>
     </div>
   );

src/modules/client/pages/UnitList.jsx

@@ -851,7 +851,7 @@ const UnitList = () => {
                     <Button onClick={() => navigate('/plans')} className="gap-1.5">
                         <Zap className="size-4" /> View Available Plans
                     </Button>
-                    <p className="text-xs text-muted-foreground">Already subscribed? Your plan may not cover this tier.</p>
+                    <p className="text-xs text-muted-foreground">Already subscribed? Your plan may not cover this subscription.</p>
                 </div>
             </div>
         );

src/modules/client/pages/ViewRequirement.jsx

@@ -344,7 +344,7 @@ const LockedContent = () => {
                 <Button onClick={() => navigate('/plans')} className="gap-1.5">
                     <Zap className="size-4" /> View Available Plans
                 </Button>
-                <p className="text-xs text-muted-foreground">Already subscribed? Your plan may not cover this tier.</p>
+                <p className="text-xs text-muted-foreground">Already subscribed? Your plan may not cover this subscription.</p>
             </div>
         </div>
     );