Upload updates

ROADMAP.md

@@ -95,18 +95,21 @@ Files now stage first and are resolved before entering the library.
   - [x] `cleanup_temp_uploads` command for old staged files
 - [x] **Auto-upload / auto-match**
   - [x] MD5 computed on staging; exact duplicates resolve immediately
-  - [x] MD5 batch-checked against e621; matches auto-complete with post
-        metadata stored and rating seeded
-- [x] **IQDB similarity on upload** (SPA-driven)
-  - [x] Automatic + manual IQDB checks with candidate posts
-  - [x] "Visual Similarity Detected" state with candidate picker
-  - [x] Perceptual-hash comparison against the library (staged uploads are
-        flagged with their library matches as soon as they land)
+  - [x] MD5 batch-checked against e621 in chunks of 75; matches auto-complete
+        with post metadata stored and rating seeded
+- [x] **Background pipeline** (server-side)
+  - [x] Daemon-thread worker runs MD5 → visual similarity → IQDB for every
+        staged upload, so the work continues after the page or tab is closed
+  - [x] Durable progress (`UploadRun` + per-file phase flags) polled by the
+        shell indicator; rate-limited runs retry with backoff
+  - [x] Perceptual-hash comparison against the library, loaded once per batch
+  - [x] IQDB candidates stored with one batched enrichment request
 - [x] **Upload UI**
   - [x] Three-column board: Pending & Unmatched / Visual Similarity Detected /
-        Auto-uploaded & Indexed
+        Auto-uploaded & Indexed, private per user (staff included)
   - [x] Metadata modal (link to e621 post, IQDB candidates, custom metadata)
-  - [x] Per-file progress plus batch processing indicator
+  - [x] Per-file progress plus background pipeline status
+  - [x] Bulk actions: bulk rate, discard all (pending/visual), dismiss all
 
 ## 4. Staff tools