feat: v2.2.3 plugin + duration fix

- Add v2.2.3 to downloads (streaming write fix for large imports)
- Fix duration bug: worker now overwrites with ffprobe result instead of preserving capture wall-clock estimate

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

services/web-ui/public/data.jsx

@@ -28,12 +28,19 @@ window.ZAMPP_API_PREFIX = API;  // single source of truth (#115)
 // The panel is now a UXP plugin (.ccx), replacing the legacy CEP/ZXP panel.
 // Each entry carries a `ccx` URL; the older `zxp`/`installer` fields are gone.
 window.PREMIERE_RELEASES = [
+  {
+    version: '2.2.3',
+    ccx:       '/downloads/dragonflight-mam-2.2.3.ccx',
+    installer: null,
+    notes: 'Fix: streaming write for large imports (no more truncated files). UXP plugin: one-click Export Timeline, library + conform + auto-relink, growing-file mount.',
+    latest: true,
+  },
   {
     version: '2.2.2',
     ccx:       '/downloads/dragonflight-mam-2.2.2.ccx',
     installer: null,
     notes: 'UXP plugin: one-click Export Timeline, library + conform + auto-relink, growing-file mount, runtime version chip. Replaces the legacy CEP/ZXP panel.',
-    latest: true,
+    latest: false,
   },
 ];
 window.PREMIERE_LATEST = window.PREMIERE_RELEASES.find(r => r.latest) || window.PREMIERE_RELEASES[0];

services/worker/src/workers/proxy.js

@@ -200,6 +200,7 @@ export const proxyWorker = async (job) => {
 
     // Update asset record — store extracted metadata + proxy key
     // Use COALESCE so we never overwrite fields the capture service already set
+    // EXCEPT duration_ms: always trust ffprobe over capture's wall-clock estimate
     await job.updateProgress(90);
       await query(
         `UPDATE assets
@@ -207,7 +208,7 @@ export const proxyWorker = async (job) => {
              fps = COALESCE($2, fps),
              codec = COALESCE($3, codec),
              resolution = COALESCE($4, resolution),
-             duration_ms = COALESCE($5, duration_ms),
+             duration_ms = $5,
              file_size = COALESCE($6, file_size),
              audio_metadata = COALESCE($8, audio_metadata),
              updated_at = NOW()