feat(audiobooks): A2 — narrator metadata, audio-aware UX, player polish, bookmarks

A2a (metadata round): narrators TEXT[] + narrators_search (tags
pattern: accumulator + GIN pairs) + abridged bool on media_items;
scanner fills from the Libation/ABS sidecar (narrators verbatim,
abridged flag) with audio-payload promotion; editorial fields ride
the real columns while audio_metadata stays scan-derived (duration/
codec/chapters). Detail/edit/save paths carry the fields; the web
edit dialog grows an Audio section (Narrator(s) comma-input, Abridged
toggle, scanned duration read-only); search weights + narrator filter
(word_similarity over narrators_search) + narrator autocomplete added.

A2c (per-media-type wording): copy helpers keyed on format_group —
Listen Now, Mark Complete/Not Complete, Listening Progress, Your
Listening Stats, Time Listening, Time listened (pages tile swapped for
audio), Position H:MM:SS / total H:MM:SS on detail + progress pages
(duration parsed from audio_metadata). Dashboard: system collections
swap to Continue Listening / Recently Listened at DISPLAY time when
the audiobooks library is selected (stored names unchanged; restores
keep working); week card = Listening Time / Sessions / Books Touched;
cover-corner badges identify audiobook (headphones) / comic / manga
cards on mixed grids — books stay unbadged; hover action icon follows
the media type.

A2b (player): the scrubber binds value to the playhead with an explicit
scrub guard (the handle previously froze at its initial max); header
row = reader-style back arrow + Chapter n/total launcher; chapters
open in a floating top-down drawer (current chapter highlighted, page
never shifts); Skip/Speed rows share one label-left layout; honest
wall-clock session accounting (playing-only deltas, paused flush).

A2d (bookmarks): note-bearing time bookmarks ride the existing
media_bookmarks substrate (notes column + sync-aware service already
there) — audio locator convention audio:<seconds>, chapter_number
filled, auto-title '<chapter> — H:MM:SS', capture popover with optional
note, drawer with jump/edit-note/delete. Zero server changes needed.

Verified live on the Libation sample: narrators backfilled by rescan;
PUT edit persisted + overrides detected (narrators, abridged); force
rescan preserved the user edit; reset-to-scanned-of-defaults restored
truth; narrator filter/autocomplete scoped by library; dashboard
listsening wording + badges render; bookmark save with note deduped to
one row.

internal/services/search.go

@@ -29,6 +29,7 @@ type SearchParams struct {
 	GenreFilter     string
 	PublisherFilter string
 	TagsFilter      string
+	NarratorFilter  string
 	LanguageFilter  string
 	YearMin         int
 	YearMax         int
@@ -76,6 +77,7 @@ func (s *SearchService) SearchMediaItemsUnified(ctx context.Context, params Sear
 		GenreFilter:     pgtype.Text{String: params.GenreFilter, Valid: true},
 		PublisherFilter: pgtype.Text{String: params.PublisherFilter, Valid: true},
 		TagsFilter:      pgtype.Text{String: params.TagsFilter, Valid: true},
+		NarratorFilter:  pgtype.Text{String: params.NarratorFilter, Valid: true},
 		LanguageFilter:  pgtype.Text{String: params.LanguageFilter, Valid: true},
 		YearMin:         pgtype.Int4{Int32: int32(params.YearMin), Valid: true},
 		YearMax:         pgtype.Int4{Int32: int32(params.YearMax), Valid: true},
@@ -174,6 +176,23 @@ func (s *SearchService) SearchFieldValues(ctx context.Context, params FieldSearc
 		}
 		return fieldValues, nil
 
+	case "narrator":
+		results, err := s.db.SearchNarratorValues(ctx, database.SearchNarratorValuesParams{
+			SearchQuery: pgtype.Text{String: params.SearchQuery, Valid: true},
+			UserID:      params.UserID,
+			LibraryID:   params.LibraryID,
+			Limit:       pgtype.Int4{Int32: int32(params.Limit), Valid: true},
+			Offset:      pgtype.Int4{Int32: int32(params.Offset), Valid: true},
+		})
+		if err != nil {
+			return nil, err
+		}
+		fieldValues := make([]FieldValue, len(results))
+		for i, r := range results {
+			fieldValues[i] = FieldValue{Value: r.Value, Count: r.Count, Score: r.Score}
+		}
+		return fieldValues, nil
+
 	case "series":
 		results, err := s.db.SearchSeriesValues(ctx, database.SearchSeriesValuesParams{
 			SearchQuery: pgtype.Text{String: params.SearchQuery, Valid: true},