fix(node): correct TMDB movie matching, per-file overrides, rematch

A batch of wrong poster-grid matches found live on a real library
(2026-08-29): a two-volume film's second part matched the first; a
numbered sequel matched a same-year making-of documentary; several
entries of one franchise matched a single early entry whose localized
TMDB title is the franchise name; one matched nothing. One mechanism:
_tmdb_search returned the first candidate query whose title-similarity
ratio merely cleared 0.6, before alternative_title / the Roman-numeral
variant was ever tried.

Matching:
- title_parse: fold guessit's volume/part number back into display_title
  so the parts of a multi-part film stay distinct in the query, the card
  and the override.
- _tmdb_search: keep a strong PASS 1 fast path (ratio >= 0.85, one
  request), otherwise score every candidate query and pick the best. A
  year-exact rescue lifts a sub-0.6 top hit to the confidence floor only
  when TMDB's own year-filtered result lands exactly on the filename's
  year. No local re-ranking of any single result list; no tmdb.py change.

Fix match / rematch:
- _admin_exec_tmdb_override: a movie override touches its own file only
  (guessit gives a whole franchise one display_title); a show override
  still fans out. Corrected files are marked in media_cache.tmdb_override.
- media_cache: tmdb_override table; clear_file_tmdb / clear_tmdb_matches
  drop auto-resolved matches while sparing manual corrections.
- ops.rematch_video + `meshbay-node video rematch` (loopback endpoint +
  CLI verb): re-resolve a group's video matches after a matcher fix.
  file_tmdb is keyed by content hash and otherwise only pruned on
  deletion, so nothing dislodged a cached match before.
- a rename now drops the stale auto match too (daemon
  _reenrich_renamed_video_entries).

UI:
- VideoDetailModal shows the source filename and resolved TMDB id; an
  unmatched poster gets a badge (3 new video.* i18n keys x 10 locales).
  So a wrong match can actually be identified before hitting Fix match.

docs/mediacenter.md 10.1 records this and the V8-V13 follow-up backlog
(show-branch ladder, year-aware _best_match, wider sequel_variants, the
0.6-0.85 extra calls, movie grid merge, per-card rematch).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_018BMLQjqFGCize2KtNBT79v

1 files changed, 15 insertions, 3 deletions

diff --git a/packages/meshbay-hub/src/meshbay_hub/static/video-app.js b/packages/meshbay-hub/src/meshbay_hub/static/video-app.js
index df930fd..f73def0 100644
--- a/packages/meshbay-hub/src/meshbay_hub/static/video-app.js
+++ b/packages/meshbay-hub/src/meshbay_hub/static/video-app.js
@@ -325,7 +325,7 @@ function PosterCard({ title, subtitle, repEntry, transportRef, gekRef, onOpen, g
   const ready = metaReady && imageReady;
 
   return html`
-    <div class="video-card" onClick=${onOpen}>
+    <div class="video-card ${ready && !confident ? 'video-card-unmatched' : ''}" onClick=${onOpen}>
       ${!ready && html`
         <div class="video-poster video-poster-loading"><span class="spinner"></span></div>
       `}
@@ -338,7 +338,10 @@ function PosterCard({ title, subtitle, repEntry, transportRef, gekRef, onOpen, g
       </div>
       ${ready && html`
         <div class="video-card-info">
-          <div class="video-card-title">${(confident && meta.title) || title}</div>
+          <div class="video-card-title">
+            ${(confident && meta.title) || title}
+            ${!confident && html`<span class="video-card-flag" title=${t('video.no_match')}>?</span>`}
+          </div>
           <div class="video-card-sub">
             ${confident && meta.release_date ? yearOf(meta.release_date) : ''}
             ${confident && meta.first_air_date ? yearOf(meta.first_air_date) : ''}
@@ -443,7 +446,9 @@ function TmdbSearchOverlay({
               ${searching ? html`<span class="spinner"></span>` : t('video.search_button')}
             </button>
           </form>
-          <p class="video-search-hint">${t('video.search_apply_hint')}</p>
+          <p class="video-search-hint">
+            ${mediaType === 'tv' ? t('video.search_apply_hint') : t('video.search_apply_hint_movie')}
+          </p>
           ${error && html`<p class="video-search-error">${error}</p>`}
           ${results && results.length === 0 && !searching && html`
             <p class="page-message">${t('video.search_no_results')}</p>
@@ -508,6 +513,13 @@ function VideoDetailModal({
             <${Icon} name="close" /></button>
         </div>
         <div class="video-detail-body">
+          ${meta !== null && !confident && html`
+            <p class="video-detail-nomatch">${t('video.no_match')}</p>
+          `}
+          <p class="video-detail-source">
+            ${t('video.source_file', { name: `${repEntry.path}/${repEntry.name}` })}
+            ${confident && html`<span class="video-detail-tmdbref"> · TMDB #${meta.tmdb_id}</span>`}
+          </p>
           ${confident && html`
             <p class="video-detail-overview">${(seasonConfident && seasonMeta.overview) || meta.overview}</p>
             <p class="video-detail-facts">