feat(recipes): delegate CivitAI-image re-import to companion browser extension

Recipes imported from CivitAI image URLs can contain 0 LoRAs: the backend
only sees the REST image API + EXIF, while the complete generation data
lives in the image page's internal trpc payload (see
docs/recipe-civitai-image-no-metadata.md). When the companion
lm-civitai-extension is installed with a valid license, re-import (single
and bulk) of CivitAI-image-sourced recipes is now delegated to the
extension via DOM CustomEvents; the extension scrapes the image page with
the user's session and calls back into the reimport endpoint with the
full metadata payload. Without the extension (or with an invalid license)
the native path runs unchanged.

- POST /api/lm/recipe/{id}/reimport accepts optional payload params
  (image_url/name/resources/gen_params/base_model/tags); the payload path
  reuses the import-remote engine with reimport semantics (user-edit
  carryover, delete-after-save), and malformed/failed payloads fall back
  to the legacy URL import. Response gains loras_count.
- The endpoint also accepts GET: the extension is GET-only by convention
  (documented in AGENTS.md).
- New static/js/utils/extensionReimportBridge.js (probeExtension /
  delegateReimport / getCivitaiImageInfo) wired into RecipeContextMenu
  and BulkManager with silent native fallback.
- i18n: toast.recipes.reimportingViaExtension added and translated in
  all 9 locales.

locales/de.json

@@ -2229,6 +2229,7 @@
             "rematchSkipped": "Keine Zuordnung für die {total} ausgewählten Rezepte erforderlich",
             "rematchFailed": "Zuordnung der ausgewählten Rezepte fehlgeschlagen: {message}",
             "reimporting": "Rezept wird aus Quelle neu importiert...",
+            "reimportingViaExtension": "Rezept {current}/{total} wird über die Browser-Erweiterung neu importiert...",
             "reimportSuccess": "Rezept erfolgreich neu importiert",
             "reimportBulkComplete": "Neuimport abgeschlossen: {completed} importiert, {failed} fehlgeschlagen (von {total})",
             "reimportBulkFailed": "Neuimport einiger Rezepte fehlgeschlagen",

locales/en.json

@@ -2229,6 +2229,7 @@
       "rematchSkipped": "No rematch needed for any of the {total} selected recipes",
       "rematchFailed": "Failed to rematch selected recipes: {message}",
       "reimporting": "Re-importing recipe from source...",
+      "reimportingViaExtension": "Re-importing recipe {current}/{total} via browser extension...",
       "reimportSuccess": "Recipe re-imported successfully",
       "reimportBulkComplete": "Re-import complete: {completed} re-imported, {failed} failed (of {total})",
       "reimportBulkFailed": "Failed to re-import some recipes",

locales/es.json

@@ -2229,6 +2229,7 @@
             "rematchSkipped": "Ninguna de las {total} recetas seleccionadas necesita reasociación",
             "rematchFailed": "Falló la reasociación de las recetas seleccionadas: {message}",
             "reimporting": "Reimportando receta desde origen...",
+            "reimportingViaExtension": "Reimportando receta {current}/{total} mediante la extensión del navegador...",
             "reimportSuccess": "Receta reimportada exitosamente",
             "reimportBulkComplete": "Reimportación completa: {completed} reimportadas, {failed} fallidas (de {total})",
             "reimportBulkFailed": "Error al reimportar algunas recetas",

locales/fr.json

@@ -2229,6 +2229,7 @@
             "rematchSkipped": "Aucune des {total} Recipes sélectionnées ne nécessite de réassociation",
             "rematchFailed": "Échec de la réassociation des Recipes sélectionnées : {message}",
             "reimporting": "Ré-import de la Recipe depuis la source...",
+            "reimportingViaExtension": "Ré-import de la Recipe {current}/{total} via l’extension du navigateur...",
             "reimportSuccess": "Recette ré-importée avec succès",
             "reimportBulkComplete": "Ré-import terminé : {completed} ré-importé(s), {failed} échec(s) (sur {total})",
             "reimportBulkFailed": "Échec du ré-import de certaines Recipes",

locales/he.json

@@ -2229,6 +2229,7 @@
             "rematchSkipped": "אין צורך בהתאמה עבור {total} המתכונים שנבחרו",
             "rematchFailed": "ההתאמה מחדש של המתכונים שנבחרו נכשלה: {message}",
             "reimporting": "מייבא מתכון מחדש מהמקור...",
+            "reimportingViaExtension": "מייבא מתכון מחדש {current}/{total} דרך תוסף הדפדפן...",
             "reimportSuccess": "המתכון יובא מחדש בהצלחה",
             "reimportBulkComplete": "ייבוא מחדש הושלם: {completed} יובאו, {failed} נכשלו (מתוך {total})",
             "reimportBulkFailed": "ייבוא מחדש של חלק מהמתכונים נכשל",

locales/ja.json

@@ -2229,6 +2229,7 @@
             "rematchSkipped": "選択した {total} 件のレシピは再マッチングの必要がありませんでした",
             "rematchFailed": "選択したレシピの再マッチングに失敗しました：{message}",
             "reimporting": "ソースからレシピを再インポート中...",
+            "reimportingViaExtension": "ブラウザ拡張機能経由でレシピを再インポート中 ({current}/{total})...",
             "reimportSuccess": "レシピの再インポートが完了しました",
             "reimportBulkComplete": "再インポート完了：{completed} 件成功、{failed} 件失敗（合計 {total} 件）",
             "reimportBulkFailed": "一部のレシピの再インポートに失敗しました",

locales/ko.json

@@ -2229,6 +2229,7 @@
             "rematchSkipped": "선택한 {total}개 레시피는 재매칭이 필요하지 않습니다",
             "rematchFailed": "선택한 레시피 재매칭 실패: {message}",
             "reimporting": "소스에서 레시피를 다시 가져오는 중...",
+            "reimportingViaExtension": "브라우저 확장 프로그램을 통해 레시피를 다시 가져오는 중 ({current}/{total})...",
             "reimportSuccess": "레시피를 다시 가져왔습니다",
             "reimportBulkComplete": "다시 가져오기 완료: {completed}개 성공, {failed}개 실패 (총 {total}개)",
             "reimportBulkFailed": "일부 레시피를 다시 가져오지 못했습니다",

locales/ru.json

@@ -2229,6 +2229,7 @@
             "rematchSkipped": "Ни один из {total} выбранных рецептов не требует сопоставления",
             "rematchFailed": "Не удалось сопоставить выбранные рецепты: {message}",
             "reimporting": "Переимпорт рецепта из источника...",
+            "reimportingViaExtension": "Переимпорт рецепта {current}/{total} через расширение браузера...",
             "reimportSuccess": "Рецепт успешно переимпортирован",
             "reimportBulkComplete": "Переимпорт завершён: {completed} переимпортировано, {failed} ошибок (из {total})",
             "reimportBulkFailed": "Не удалось переимпортировать некоторые рецепты",

locales/zh-CN.json

@@ -2229,6 +2229,7 @@
             "rematchSkipped": "{total} 个所选配方均无需重新匹配",
             "rematchFailed": "重新匹配所选配方失败：{message}",
             "reimporting": "正在从源重新导入配方...",
+            "reimportingViaExtension": "正在通过浏览器扩展重新导入配方 {current}/{total}...",
             "reimportSuccess": "配方已从源重新导入成功",
             "reimportBulkComplete": "重新导入完成：{completed} 个已导入，{failed} 个失败（共 {total} 个）",
             "reimportBulkFailed": "重新导入某些配方失败",

locales/zh-TW.json

@@ -2229,6 +2229,7 @@
             "rematchSkipped": "{total} 個所選配方均無需重新匹配",
             "rematchFailed": "重新匹配所選配方失敗：{message}",
             "reimporting": "正在從來源重新匯入配方...",
+            "reimportingViaExtension": "正在透過瀏覽器擴充功能重新匯入配方 {current}/{total}...",
             "reimportSuccess": "配方已從來源重新匯入成功",
             "reimportBulkComplete": "重新匯入完成：{completed} 個已匯入，{failed} 個失敗（共 {total} 個）",
             "reimportBulkFailed": "重新匯入某些配方失敗",