Various requested small features (#741)

- Added torrent removal option
- Pass Prowlarr seedtimes to download clients (excluding rTorrent)
- Split default release source option by content type
- Split download to browser option by content type
- Add "hide links" option

docs/environment-variables.md

@@ -186,9 +186,11 @@ Default language filter for searches.
 |----------|-------------|------|---------|
 | `SEARCH_MODE` | How you want to search for and download books. | string (choice) | `direct` |
 | `AA_DEFAULT_SORT` | Default sort order for search results. | string (choice) | `relevance` |
+| `SHOW_RELEASE_SOURCE_LINKS` | Show clickable release-source links in release and details modals. Metadata provider links stay enabled. | boolean | `true` |
 | `METADATA_PROVIDER` | Choose which metadata provider to use for book searches. | string (choice) | `openlibrary` |
 | `METADATA_PROVIDER_AUDIOBOOK` | Metadata provider for audiobook searches. Uses the book provider if not set. | string (choice) | _empty string_ |
-| `DEFAULT_RELEASE_SOURCE` | The release source tab to open by default in the release modal. | string (choice) | `direct_download` |
+| `DEFAULT_RELEASE_SOURCE` | The release source tab to open by default in the release modal for books. | string (choice) | `direct_download` |
+| `DEFAULT_RELEASE_SOURCE_AUDIOBOOK` | The release source tab to open by default in the release modal for audiobooks. Uses the book release source if not set. | string (choice) | _empty string_ |
 
 <details>
 <summary>Detailed descriptions</summary>
@@ -213,6 +215,15 @@ Default sort order for search results.
 - **Default:** `relevance`
 - **Options:** `relevance` (Most relevant), `newest` (Newest (publication year)), `oldest` (Oldest (publication year)), `largest` (Largest (filesize)), `smallest` (Smallest (filesize)), `newest_added` (Newest (open sourced)), `oldest_added` (Oldest (open sourced))
 
+#### `SHOW_RELEASE_SOURCE_LINKS`
+
+**Show Release Source Links**
+
+Show clickable release-source links in release and details modals. Metadata provider links stay enabled.
+
+- **Type:** boolean
+- **Default:** `true`
+
 #### `METADATA_PROVIDER`
 
 **Book Metadata Provider**
@@ -221,7 +232,7 @@ Choose which metadata provider to use for book searches.
 
 - **Type:** string (choice)
 - **Default:** `openlibrary`
-- **Options:** `""` (No providers enabled)
+- **Options:** `hardcover` (Hardcover), `openlibrary` (Open Library), `googlebooks` (Google Books)
 
 #### `METADATA_PROVIDER_AUDIOBOOK`
 
@@ -231,17 +242,27 @@ Metadata provider for audiobook searches. Uses the book provider if not set.
 
 - **Type:** string (choice)
 - **Default:** _empty string_
-- **Options:** `""` (Use book provider), `""` (No providers enabled)
+- **Options:** `""` (Use book provider), `hardcover` (Hardcover), `openlibrary` (Open Library), `googlebooks` (Google Books)
 
 #### `DEFAULT_RELEASE_SOURCE`
 
-**Default Release Source**
+**Default Book Release Source**
 
-The release source tab to open by default in the release modal.
+The release source tab to open by default in the release modal for books.
 
 - **Type:** string (choice)
 - **Default:** `direct_download`
-- **Options:** `direct_download` (Direct Download), `prowlarr` (Prowlarr), `audiobookbay` (AudiobookBay)
+- **Options:** `direct_download` (Direct Download), `prowlarr` (Prowlarr)
+
+#### `DEFAULT_RELEASE_SOURCE_AUDIOBOOK`
+
+**Default Audiobook Release Source**
+
+The release source tab to open by default in the release modal for audiobooks. Uses the book release source if not set.
+
+- **Type:** string (choice)
+- **Default:** _empty string_
+- **Options:** `""` (Use book release source), `prowlarr` (Prowlarr), `audiobookbay` (AudiobookBay)
 
 </details>
 
@@ -278,7 +299,7 @@ The release source tab to open by default in the release modal.
 | `TEMPLATE_AUDIOBOOK_ORGANIZE` | Use / to create folders. Variables: {Author}, {Title}, {Year}, {User}, {OriginalName} (source filename without extension), {Series}, {SeriesPosition}, {Subtitle}, {PartNumber}. Use arbitrary prefix/suffix: {Vol. SeriesPosition - } outputs 'Vol. 2 - ' when set, nothing when empty. | string | `{Author}/{Title}` |
 | `HARDLINK_TORRENTS_AUDIOBOOK` | Create hardlinks instead of copying. Preserves seeding but archives won't be extracted. Don't use if destination is a library ingest folder. | boolean | `true` |
 | `AUTO_OPEN_DOWNLOADS_SIDEBAR` | Automatically open the downloads sidebar when a new download is queued. | boolean | `false` |
-| `DOWNLOAD_TO_BROWSER` | Automatically download completed files to your browser. | boolean | `false` |
+| `DOWNLOAD_TO_BROWSER_CONTENT_TYPES` | Automatically download completed files to your browser for the selected content types. | string (comma-separated) | _empty list_ |
 | `MAX_CONCURRENT_DOWNLOADS` | Maximum number of simultaneous downloads. | number | `3` |
 | `STATUS_TIMEOUT` | How long to keep completed/failed downloads in the queue display. | number | `3600` |
 
@@ -561,14 +582,14 @@ Automatically open the downloads sidebar when a new download is queued.
 - **Type:** boolean
 - **Default:** `false`
 
-#### `DOWNLOAD_TO_BROWSER`
+#### `DOWNLOAD_TO_BROWSER_CONTENT_TYPES`
 
 **Download to Browser**
 
-Automatically download completed files to your browser.
+Automatically download completed files to your browser for the selected content types.
 
-- **Type:** boolean
-- **Default:** `false`
+- **Type:** string (comma-separated)
+- **Default:** _empty list_
 
 #### `MAX_CONCURRENT_DOWNLOADS`
 
@@ -1249,6 +1270,7 @@ How long to keep cached search results before they expire.
 | `RTORRENT_PASSWORD` | HTTP Basic auth password | string (secret) | _none_ |
 | `RTORRENT_LABEL` | Label to assign to book downloads in rTorrent | string | `cwabd` |
 | `RTORRENT_DOWNLOAD_DIR` | Server-side directory where torrents are downloaded (optional, uses rTorrent default if not specified) | string | _none_ |
+| `PROWLARR_TORRENT_ACTION` | Remove deletes the torrent from your client immediately after import (stops seeding, files are kept); Keep leaves it in the client to continue seeding | string (choice) | `keep` |
 | `PROWLARR_USENET_CLIENT` | Choose which usenet client to use | string (choice) | _empty string_ |
 | `NZBGET_URL` | URL of your NZBGet instance | string | _none_ |
 | `NZBGET_USERNAME` | NZBGet control username | string | `nzbget` |
@@ -1490,6 +1512,16 @@ Server-side directory where torrents are downloaded (optional, uses rTorrent def
 - **Type:** string
 - **Default:** _none_
 
+#### `PROWLARR_TORRENT_ACTION`
+
+**Torrent Completion Action**
+
+Remove deletes the torrent from your client immediately after import (stops seeding, files are kept); Keep leaves it in the client to continue seeding
+
+- **Type:** string (choice)
+- **Default:** `keep`
+- **Options:** `keep` (Keep), `remove` (Remove)
+
 #### `PROWLARR_USENET_CLIENT`
 
 **Usenet Client**

shelfmark/config/settings.py

@@ -185,6 +185,23 @@ _AUDIOBOOK_FORMAT_OPTIONS = [
     {"value": "rar", "label": "RAR"},
 ]
 
+_DOWNLOAD_TO_BROWSER_CONTENT_TYPE_OPTIONS = [
+    {
+        "value": "book",
+        "label": "Books",
+        "description": "Automatically download completed book files to this browser.",
+    },
+    {
+        "value": "audiobook",
+        "label": "Audiobooks",
+        "description": "Automatically download completed audiobook files to this browser.",
+    },
+]
+
+_DOWNLOAD_TO_BROWSER_CONTENT_TYPE_VALUES = {
+    option["value"] for option in _DOWNLOAD_TO_BROWSER_CONTENT_TYPE_OPTIONS
+}
+
 
 def _get_metadata_provider_options():
     """Build metadata provider options dynamically from enabled providers only."""
@@ -210,17 +227,30 @@ def _get_metadata_provider_options_with_none():
     return [{"value": "", "label": "Use book provider"}] + _get_metadata_provider_options()
 
 
-def _get_release_source_options():
-    """Build release source options dynamically from registered sources."""
+def _get_release_source_options_for_content_type(content_type: str):
+    """Build release source options dynamically for a specific content type."""
     from shelfmark.release_sources import list_available_sources
 
     return [
         {"value": source["name"], "label": source["display_name"]}
         for source in list_available_sources()
         if source.get("can_be_default", True)
+        and content_type in source.get("supported_content_types", ["ebook", "audiobook"])
     ]
 
 
+def _get_book_release_source_options():
+    """Build default release source options for book searches."""
+    return _get_release_source_options_for_content_type("ebook")
+
+
+def _get_audiobook_release_source_options():
+    """Build default release source options for audiobook searches."""
+    return [{"value": "", "label": "Use book release source"}] + _get_release_source_options_for_content_type(
+        "audiobook"
+    )
+
+
 
 _LANGUAGE_OPTIONS = [{"value": lang["code"], "label": lang["language"]} for lang in _SUPPORTED_BOOK_LANGUAGE]
 
@@ -429,6 +459,15 @@ def search_mode_settings():
             default="relevance",
             show_when={"field": "SEARCH_MODE", "value": "direct"},
         ),
+        CheckboxField(
+            key="SHOW_RELEASE_SOURCE_LINKS",
+            label="Show Release Source Links",
+            description=(
+                "Show clickable release-source links in release and details modals. "
+                "Metadata provider links stay enabled."
+            ),
+            default=True,
+        ),
         HeadingField(
             key="universal_mode_heading",
             title="Universal Mode Settings",
@@ -455,13 +494,22 @@ def search_mode_settings():
         ),
         SelectField(
             key="DEFAULT_RELEASE_SOURCE",
-            label="Default Release Source",
-            description="The release source tab to open by default in the release modal.",
-            options=_get_release_source_options,  # Callable - evaluated lazily to avoid circular imports
+            label="Default Book Release Source",
+            description="The release source tab to open by default in the release modal for books.",
+            options=_get_book_release_source_options,  # Callable - evaluated lazily to avoid circular imports
             default="direct_download",
             show_when={"field": "SEARCH_MODE", "value": "universal"},
             user_overridable=True,
         ),
+        SelectField(
+            key="DEFAULT_RELEASE_SOURCE_AUDIOBOOK",
+            label="Default Audiobook Release Source",
+            description="The release source tab to open by default in the release modal for audiobooks. Uses the book release source if not set.",
+            options=_get_audiobook_release_source_options,  # Callable - evaluated lazily to avoid circular imports
+            default="",
+            show_when={"field": "SEARCH_MODE", "value": "universal"},
+            user_overridable=True,
+        ),
     ]
 
 
@@ -619,6 +667,41 @@ def _on_save_downloads(values: dict[str, Any]) -> dict[str, Any]:
     effective: dict[str, Any] = dict(existing)
     effective.update(values)
 
+    if "DOWNLOAD_TO_BROWSER_CONTENT_TYPES" in effective:
+        raw_content_types = effective.get("DOWNLOAD_TO_BROWSER_CONTENT_TYPES")
+        if raw_content_types is None:
+            normalized_content_types: list[str] = []
+        elif isinstance(raw_content_types, list):
+            normalized_content_types = [
+                str(value).strip().lower()
+                for value in raw_content_types
+                if str(value).strip()
+            ]
+        else:
+            return {
+                "error": True,
+                "message": "Download to Browser must be a list.",
+                "values": values,
+            }
+
+        deduped_content_types: list[str] = []
+        for content_type in normalized_content_types:
+            if content_type not in _DOWNLOAD_TO_BROWSER_CONTENT_TYPE_VALUES:
+                allowed = ", ".join(sorted(_DOWNLOAD_TO_BROWSER_CONTENT_TYPE_VALUES))
+                return {
+                    "error": True,
+                    "message": (
+                        "Download to Browser contains an unsupported content type "
+                        f"'{content_type}'. Supported values: {allowed}"
+                    ),
+                    "values": values,
+                }
+            if content_type not in deduped_content_types:
+                deduped_content_types.append(content_type)
+
+        values["DOWNLOAD_TO_BROWSER_CONTENT_TYPES"] = deduped_content_types
+        effective["DOWNLOAD_TO_BROWSER_CONTENT_TYPES"] = deduped_content_types
+
     # Books: only validate templates when saving to a folder.
     books_output_mode = effective.get("BOOKS_OUTPUT_MODE", "folder")
     if books_output_mode == "folder" and effective.get("FILE_ORGANIZATION", "rename") == "rename":
@@ -1106,11 +1189,14 @@ def download_settings():
             description="Automatically open the downloads sidebar when a new download is queued.",
             default=False,
         ),
-        CheckboxField(
-            key="DOWNLOAD_TO_BROWSER",
+        MultiSelectField(
+            key="DOWNLOAD_TO_BROWSER_CONTENT_TYPES",
             label="Download to Browser",
-            description="Automatically download completed files to your browser.",
-            default=False,
+            description="Automatically download completed files to your browser for the selected content types.",
+            options=_DOWNLOAD_TO_BROWSER_CONTENT_TYPE_OPTIONS,
+            default=[],
+            variant="dropdown",
+            user_overridable=True,
         ),
         NumberField(
             key="MAX_CONCURRENT_DOWNLOADS",

shelfmark/config/users_settings.py

@@ -76,6 +76,7 @@ _SEARCH_PREFERENCE_PROVIDER_KEYS = {"METADATA_PROVIDER", "METADATA_PROVIDER_AUDI
 _SEARCH_PREFERENCE_VALIDATABLE_KEYS = {
     "SEARCH_MODE",
     "DEFAULT_RELEASE_SOURCE",
+    "DEFAULT_RELEASE_SOURCE_AUDIOBOOK",
     *_SEARCH_PREFERENCE_PROVIDER_KEYS,
 }
 
@@ -117,6 +118,18 @@ def _get_request_source_options():
     return options
 
 
+def _get_valid_release_source_names_for_content_type(content_type: str) -> set[str]:
+    """Return registered release source names that support the requested content type."""
+    from shelfmark.release_sources import list_available_sources
+
+    valid_sources: set[str] = set()
+    for source in list_available_sources():
+        supported_types = source.get("supported_content_types", ["ebook", "audiobook"])
+        if content_type in supported_types:
+            valid_sources.add(source["name"])
+    return valid_sources
+
+
 def _get_request_policy_rule_columns():
     source_capabilities = get_source_content_type_capabilities()
     content_type_options = []
@@ -189,16 +202,16 @@ def validate_search_preference_value(key: str, value: Any) -> tuple[Any, str | N
             )
         return normalized_value, None
 
-    if key == "DEFAULT_RELEASE_SOURCE":
+    if key in {"DEFAULT_RELEASE_SOURCE", "DEFAULT_RELEASE_SOURCE_AUDIOBOOK"}:
         if normalized_value == "":
             return "", None
-        from shelfmark.release_sources import list_available_sources
-
-        valid_sources = {source["name"] for source in list_available_sources()}
+        valid_sources = _get_valid_release_source_names_for_content_type(
+            "audiobook" if key == "DEFAULT_RELEASE_SOURCE_AUDIOBOOK" else "ebook"
+        )
         if normalized_value not in valid_sources:
             return (
                 value,
-                "DEFAULT_RELEASE_SOURCE must be a valid release source name or empty",
+                f"{key} must be a valid release source name or empty",
             )
         return normalized_value, None
 

shelfmark/core/admin_settings_routes.py

@@ -78,10 +78,39 @@ def validate_user_settings(settings: dict[str, Any]) -> tuple[dict[str, Any], li
                 "METADATA_PROVIDER",
                 "METADATA_PROVIDER_AUDIOBOOK",
                 "DEFAULT_RELEASE_SOURCE",
+                "DEFAULT_RELEASE_SOURCE_AUDIOBOOK",
             }:
                 valid[key] = normalized_search_value
                 continue
 
+            if key == "DOWNLOAD_TO_BROWSER_CONTENT_TYPES":
+                if not isinstance(value, list):
+                    errors.append(f"Invalid value for {key}: must be a list")
+                    continue
+
+                candidate_values = [
+                    str(entry).strip().lower()
+                    for entry in value
+                    if str(entry).strip()
+                ]
+                normalized_values: list[str] = []
+                has_invalid_value = False
+                for entry in candidate_values:
+                    if entry not in {"book", "audiobook"}:
+                        errors.append(
+                            f"Invalid value for {key}: unsupported content type '{entry}'"
+                        )
+                        has_invalid_value = True
+                        continue
+                    if entry not in normalized_values:
+                        normalized_values.append(entry)
+
+                if has_invalid_value:
+                    continue
+
+                valid[key] = normalized_values
+                continue
+
             valid[key] = value
 
     return valid, errors

shelfmark/core/settings_registry.py

@@ -481,6 +481,7 @@ def sync_env_to_config() -> None:
             logger.debug(f"Synced {len(values_to_sync)} ENV values to {tab.name} config: {list(values_to_sync.keys())}")
 
     migrate_legacy_settings()
+    migrate_download_to_browser_settings()
     migrate_mirror_settings()
 
 
@@ -691,6 +692,57 @@ def migrate_legacy_settings() -> None:
         logger.info(f"Migrated content-type routing settings: {list(migrated_sources.keys())}")
 
 
+def migrate_download_to_browser_settings() -> None:
+    """Migrate the legacy download-to-browser toggle to content-type selection."""
+    downloads_config = load_config_file("downloads")
+    legacy_key = "DOWNLOAD_TO_BROWSER"
+    new_key = "DOWNLOAD_TO_BROWSER_CONTENT_TYPES"
+    config_path = _get_config_file_path("downloads")
+
+    legacy_value: Any = None
+    legacy_present = False
+
+    if legacy_key in downloads_config:
+        legacy_value = downloads_config.get(legacy_key)
+        legacy_present = True
+    elif new_key not in downloads_config and os.environ.get(new_key) is None and legacy_key in os.environ:
+        legacy_value = os.environ.get(legacy_key)
+        legacy_present = True
+
+    if not legacy_present and legacy_key not in downloads_config:
+        return
+
+    updated_downloads = dict(downloads_config)
+    changed = False
+
+    if new_key not in updated_downloads and legacy_present:
+        enabled = False
+        if isinstance(legacy_value, bool):
+            enabled = legacy_value
+        elif isinstance(legacy_value, str):
+            enabled = legacy_value.strip().lower() in {"true", "1", "yes", "on"}
+        else:
+            enabled = bool(legacy_value)
+
+        updated_downloads[new_key] = ["book", "audiobook"] if enabled else []
+        changed = True
+
+    if legacy_key in updated_downloads:
+        updated_downloads.pop(legacy_key, None)
+        changed = True
+
+    if not changed:
+        return
+
+    try:
+        _ensure_config_dir("downloads")
+        with open(config_path, "w") as f:
+            json.dump(updated_downloads, f, indent=2)
+        logger.info("Migrated download-to-browser setting to content-type selection")
+    except Exception as exc:
+        logger.error(f"Failed to migrate download-to-browser settings: {exc}")
+
+
 def get_setting_value(field: SettingsField, tab_name: str) -> Any:
     if isinstance(field, (ActionButton, HeadingField, CustomComponentField)):
         return None  # Actions and headings don't have values

shelfmark/download/clients/base_handler.py

@@ -38,6 +38,8 @@ class DownloadRequest:
     protocol: str
     release_name: str
     expected_hash: Optional[str]
+    seeding_time_limit: Optional[int] = None  # minutes
+    ratio_limit: Optional[float] = None
 
 
 def _diagnose_path_issue(path: str) -> str:
@@ -140,20 +142,28 @@ class ExternalClientHandler(DownloadHandler, ABC):
             return
 
         client, download_id, protocol = client_ref
-        if protocol != "usenet":
-            return
 
-        # "Move" means copy into ingest then let the usenet client delete its own files.
-        if config.get("PROWLARR_USENET_ACTION", "move") != "move":
-            return
+        if protocol == "usenet":
+            # "Move" means copy into ingest then let the usenet client delete its own files.
+            if config.get("PROWLARR_USENET_ACTION", "move") != "move":
+                return
+            try:
+                self._delete_local_download_data(client, download_id)
+                self._remove_usenet_download(client, download_id, delete_files=True, archive=True)
+            except Exception as e:
+                logger.warning(
+                    f"Failed to cleanup usenet download {download_id} in {getattr(client, 'name', 'client')}: {e}"
+                )
 
-        try:
-            self._delete_local_download_data(client, download_id)
-            self._remove_usenet_download(client, download_id, delete_files=True, archive=True)
-        except Exception as e:
-            logger.warning(
-                f"Failed to cleanup usenet download {download_id} in {getattr(client, 'name', 'client')}: {e}"
-            )
+        elif protocol == "torrent":
+            if config.get("PROWLARR_TORRENT_ACTION", "keep") != "remove":
+                return
+            try:
+                client.remove(download_id, delete_files=False)
+            except Exception as e:
+                logger.warning(
+                    f"Failed to remove torrent {download_id} from {getattr(client, 'name', 'client')}: {e}"
+                )
 
     def _remove_usenet_download(
         self,
@@ -553,6 +563,8 @@ class ExternalClientHandler(DownloadHandler, ABC):
                         name=request.release_name,
                         category=category,
                         expected_hash=request.expected_hash,
+                        seeding_time_limit=request.seeding_time_limit,
+                        ratio_limit=request.ratio_limit,
                     )
                 except Exception as e:
                     logger.error(f"Failed to add to {client.name}: {e}")

shelfmark/download/clients/deluge.py

@@ -237,6 +237,15 @@ class DelugeClient(DownloadClient):
             if self._download_dir:
                 options["download_location"] = self._download_dir
 
+            # Per-torrent seeding limits from indexer
+            seeding_time_limit = kwargs.get("seeding_time_limit")
+            if seeding_time_limit is not None:
+                options["seed_time_limit"] = int(seeding_time_limit)
+            ratio_limit = kwargs.get("ratio_limit")
+            if ratio_limit is not None:
+                options["stop_at_ratio"] = float(ratio_limit)
+                options["stop_at_ratio_enabled"] = True
+
             if torrent_info.is_magnet:
                 magnet_url = torrent_info.magnet_url or url
                 torrent_id = self._rpc_call("core.add_torrent_magnet", magnet_url, options)

shelfmark/download/clients/qbittorrent.py

@@ -61,6 +61,23 @@ def _normalize_tags(raw_tags: object) -> list[str]:
     return tags
 
 
+def _normalize_add_result(raw_result: object) -> str:
+    """Normalize qBittorrent add responses to a comparable string."""
+    if raw_result is None:
+        return ""
+
+    if isinstance(raw_result, bytes):
+        return raw_result.decode("utf-8", errors="replace").strip()
+
+    return str(raw_result).strip()
+
+
+def _is_explicit_add_failure(raw_result: object) -> bool:
+    """Detect add responses that clearly indicate failure."""
+    normalized = _normalize_add_result(raw_result).rstrip(".").lower()
+    return normalized in {"fail", "fails", "error", "errors"}
+
+
 @register_client("torrent")
 class QBittorrentClient(DownloadClient):
     """qBittorrent download client."""
@@ -291,13 +308,16 @@ class QBittorrentClient(DownloadClient):
             tags = self._tags
 
             # Ensure category exists (may already exist, which is fine)
-            try:
-                self._client.torrents_create_category(name=category)
-            except Exception as e:
-                # Conflict409Error means category exists - that's expected
-                # Log other errors but continue since download may still work
-                if "Conflict" not in type(e).__name__ and "409" not in str(e):
-                    logger.debug(f"Could not create category '{category}': {type(e).__name__}: {e}")
+            if category:
+                try:
+                    self._client.torrents_create_category(name=category)
+                except Exception as e:
+                    # Conflict409Error means category exists - that's expected
+                    # Log other errors but continue since download may still work
+                    if "Conflict" not in type(e).__name__ and "409" not in str(e):
+                        logger.debug(
+                            f"Could not create category '{category}': {type(e).__name__}: {e}"
+                        )
 
             torrent_info = extract_torrent_info(url, expected_hash=expected_hash)
             expected_hash = torrent_info.info_hash
@@ -305,14 +325,23 @@ class QBittorrentClient(DownloadClient):
 
             # Add the torrent - use file content if we have it, otherwise URL
             add_kwargs = {
-                "category": category,
                 "rename": name,
             }
+            if category:
+                add_kwargs["category"] = category
             if self._download_dir:
                 add_kwargs["save_path"] = self._download_dir
             if tags:
                 add_kwargs["tags"] = ",".join(tags)
 
+            # Per-torrent seeding limits from indexer
+            seeding_time_limit = kwargs.get("seeding_time_limit")
+            if seeding_time_limit is not None:
+                add_kwargs["seeding_time_limit"] = int(seeding_time_limit)
+            ratio_limit = kwargs.get("ratio_limit")
+            if ratio_limit is not None:
+                add_kwargs["ratio_limit"] = float(ratio_limit)
+
             if torrent_data:
                 result = self._client.torrents_add(
                     torrent_files=torrent_data,
@@ -326,29 +355,32 @@ class QBittorrentClient(DownloadClient):
                     **add_kwargs,
                 )
 
-            logger.debug(f"qBittorrent add result: {result}")
+            result_text = _normalize_add_result(result)
+            logger.debug(f"qBittorrent add result: {result_text}")
 
-            if result == "Ok.":
-                if not expected_hash:
-                    raise Exception("Could not determine torrent hash from URL")
+            if not expected_hash:
+                raise Exception("Could not determine torrent hash from URL")
 
-                # Wait for torrent to appear in client.
-                # Use `/torrents/properties?hash=` rather than relying on `torrents/info`
-                # listing being immediately consistent.
-                for _ in range(10):
-                    loaded, error = self._is_torrent_loaded(expected_hash)
-                    if error:
-                        logger.debug(f"qBittorrent add_download: {error}")
-                    if loaded:
-                        logger.info(f"Added torrent: {expected_hash}")
-                        return expected_hash.lower()
-                    time.sleep(0.5)
+            if _is_explicit_add_failure(result):
+                raise Exception(f"Failed to add torrent: {result_text}")
 
-                # Client said Ok, trust it
-                logger.warning(f"Torrent not yet visible, returning expected hash")
-                return expected_hash
+            # Some qBittorrent-compatible clients return HTTP 200 with an empty body
+            # instead of qBittorrent's literal "Ok." response. Prefer verifying that
+            # the torrent becomes visible over trusting the response body alone.
+            for _ in range(10):
+                loaded, error = self._is_torrent_loaded(expected_hash)
+                if error:
+                    logger.debug(f"qBittorrent add_download: {error}")
+                if loaded:
+                    logger.info(f"Added torrent: {expected_hash}")
+                    return expected_hash.lower()
+                time.sleep(0.5)
 
-            raise Exception(f"Failed to add torrent: {result}")
+            logger.warning(
+                "Torrent add was not confirmed within the visibility grace period "
+                f"(response={result_text or '<empty>'}), returning expected hash"
+            )
+            return expected_hash
         except Exception as e:
             logger.error(f"qBittorrent add failed: {e}")
             raise

shelfmark/download/clients/settings.py

@@ -610,7 +610,17 @@ def prowlarr_clients_settings():
             show_when={"field": "PROWLARR_TORRENT_CLIENT", "value": "rtorrent"},
         ),
         # Note: Torrent client download path must be mounted identically in both containers.
-        # Torrents are always copied (not moved) to preserve seeding capability.
+        SelectField(
+            key="PROWLARR_TORRENT_ACTION",
+            label="Torrent Completion Action",
+            description="Remove deletes the torrent from your client immediately after import (stops seeding, files are kept); Keep leaves it in the client to continue seeding",
+            options=[
+                {"value": "keep", "label": "Keep"},
+                {"value": "remove", "label": "Remove"},
+            ],
+            default="keep",
+            show_when={"field": "PROWLARR_TORRENT_CLIENT", "notEmpty": True},
+        ),
 
         # --- Usenet Client Selection ---
         HeadingField(

shelfmark/download/clients/transmission.py

@@ -188,6 +188,22 @@ class TransmissionClient(DownloadClient):
             torrent_hash = torrent.hashString.lower()
             logger.info(f"Added torrent to Transmission: {torrent_hash}")
 
+            # Apply per-torrent seeding limits from indexer
+            seed_kwargs = {}
+            seeding_time_limit = kwargs.get("seeding_time_limit")
+            if seeding_time_limit is not None:
+                seed_kwargs["seed_idle_limit"] = int(seeding_time_limit)
+                seed_kwargs["seed_idle_mode"] = 1  # per-torrent
+            ratio_limit = kwargs.get("ratio_limit")
+            if ratio_limit is not None:
+                seed_kwargs["seed_ratio_limit"] = float(ratio_limit)
+                seed_kwargs["seed_ratio_mode"] = 1  # per-torrent
+            if seed_kwargs:
+                try:
+                    self._client.change_torrent(ids=torrent_hash, **seed_kwargs)
+                except Exception as e:
+                    logger.warning(f"Failed to set seeding limits for {torrent_hash}: {e}")
+
             return torrent_hash
 
         except Exception as e:

shelfmark/download/fs.py

@@ -88,6 +88,7 @@ def run_blocking_io(func: Callable[..., T], *args: Any, **kwargs: Any) -> T:
 
 
 _VERIFY_IO_WAIT_SECONDS = 3.0
+_PUBLISH_VERIFY_RETRY_SECONDS = 0.25
 
 
 def _verify_transfer_size(
@@ -119,6 +120,44 @@ def _verify_transfer_size(
         )
 
 
+def _is_stale_handle_error(error: Exception) -> bool:
+    return isinstance(error, OSError) and error.errno == getattr(errno, "ESTALE", 116)
+
+
+def _verify_published_file(
+    dest: Path,
+    expected_size: int,
+    action: str,
+) -> None:
+    """Best-effort verify after publishing a temp file into place.
+
+    The temp file was already verified before publish. Some NFS mounts can report
+    a transient stale handle immediately after `os.replace()` makes the final path
+    visible, so retry once and then trust the successful publish instead of
+    turning the handoff into a false failure.
+    """
+    try:
+        _verify_transfer_size(dest, expected_size, action)
+        return
+    except OSError as error:
+        if not _is_stale_handle_error(error):
+            raise
+
+    time.sleep(_PUBLISH_VERIFY_RETRY_SECONDS)
+
+    try:
+        _verify_transfer_size(dest, expected_size, action)
+    except OSError as retry_error:
+        if not _is_stale_handle_error(retry_error):
+            raise
+        logger.warning(
+            "Skipping post-publish verification for %s after stale handle on %s: %s",
+            action,
+            dest,
+            retry_error,
+        )
+
+
 def atomic_write(dest_path: Path, data: bytes, max_attempts: int = 100) -> Path:
     """Write data to a file with atomic collision detection.
 
@@ -417,7 +456,7 @@ def atomic_move(source_path: Path, dest_path: Path, max_attempts: int = 100) ->
                         continue
 
                     try:
-                        _verify_transfer_size(try_path, expected_size, "move")
+                        _verify_published_file(try_path, expected_size, "move")
                     except Exception:
                         run_blocking_io(try_path.unlink, missing_ok=True)
                         raise
@@ -594,7 +633,7 @@ def atomic_copy(source_path: Path, dest_path: Path, max_attempts: int = 100) ->
                 continue
 
             try:
-                _verify_transfer_size(try_path, expected_size, "copy")
+                _verify_published_file(try_path, expected_size, "copy")
             except Exception:
                 run_blocking_io(try_path.unlink, missing_ok=True)
                 raise

shelfmark/main.py

@@ -981,6 +981,11 @@ def api_config() -> Union[Response, Tuple[Response, int]]:
             "direct_download",
             user_id=db_user_id,
         )
+        default_release_source_audiobook = app_config.get(
+            "DEFAULT_RELEASE_SOURCE_AUDIOBOOK",
+            "",
+            user_id=db_user_id,
+        )
         configured_metadata_provider = app_config.get(
             "METADATA_PROVIDER",
             "",
@@ -1007,9 +1012,15 @@ def api_config() -> Union[Response, Tuple[Response, int]]:
             "metadata_sort_options": get_provider_sort_options(metadata_ui_provider),
             "metadata_search_fields": get_provider_search_fields(metadata_ui_provider),
             "default_release_source": default_release_source,
+            "default_release_source_audiobook": default_release_source_audiobook,
+            "show_release_source_links": app_config.get("SHOW_RELEASE_SOURCE_LINKS", True),
             "books_output_mode": app_config.get("BOOKS_OUTPUT_MODE", "folder"),
             "auto_open_downloads_sidebar": app_config.get("AUTO_OPEN_DOWNLOADS_SIDEBAR", True),
-            "download_to_browser": app_config.get("DOWNLOAD_TO_BROWSER", False),
+            "download_to_browser_content_types": app_config.get(
+                "DOWNLOAD_TO_BROWSER_CONTENT_TYPES",
+                [],
+                user_id=db_user_id,
+            ),
             "settings_enabled": _is_config_dir_writable(),
             "onboarding_complete": _get_onboarding_complete(),
             # Default sort orders

shelfmark/release_sources/prowlarr/handler.py

@@ -74,11 +74,19 @@ class ProwlarrHandler(ExternalClientHandler):
         release_name = prowlarr_result.get("title") or task.title or "Unknown"
         expected_hash = str(prowlarr_result.get("infoHash") or "").strip() or None
 
+        # Seed criteria from the indexer (Torznab attributes)
+        raw_seed_time = prowlarr_result.get("minimumSeedTime")
+        seeding_time_limit = int(raw_seed_time) if raw_seed_time is not None else None
+        raw_ratio = prowlarr_result.get("minimumRatio")
+        ratio_limit = float(raw_ratio) if raw_ratio is not None else None
+
         return DownloadRequest(
             url=download_url,
             protocol=protocol,
             release_name=release_name,
             expected_hash=expected_hash,
+            seeding_time_limit=seeding_time_limit,
+            ratio_limit=ratio_limit,
         )
 
     def _on_download_complete(self, task: DownloadTask) -> None:

src/frontend/src/App.tsx

@@ -556,6 +556,16 @@ function App() {
   const detectChanges = useCallback((prev: StatusData, curr: StatusData) => {
     if (!prev || Object.keys(prev).length === 0) return;
 
+    const autoDownloadContentTypes = Array.isArray(config?.download_to_browser_content_types)
+      ? config.download_to_browser_content_types
+      : [];
+    const canAutoDownloadContentType = (contentType?: string): boolean => {
+      const contentTypeKey = String(contentType || '').trim().toLowerCase() === 'audiobook'
+        ? 'audiobook'
+        : 'book';
+      return autoDownloadContentTypes.includes(contentTypeKey);
+    };
+
     // Check for new items in queue
     const prevQueued = prev.queued || {};
     const currQueued = curr.queued || {};
@@ -592,7 +602,7 @@ function App() {
         showToast(`${book.title || 'Book'} completed`, 'success');
 
         // Auto-download to browser if enabled
-        if (config?.download_to_browser && book.download_path) {
+        if (book.download_path && canAutoDownloadContentType(book.content_type)) {
           const link = document.createElement('a');
           link.href = withBasePath(`/api/localdownload?id=${encodeURIComponent(bookId)}`);
           link.download = '';
@@ -2232,6 +2242,7 @@ function App() {
                 ? getUniversalActionButtonState(selectedBook.id)
                 : getDirectActionButtonState(selectedBook.id)
             }
+            showReleaseSourceLinks={config?.show_release_source_links !== false}
           />
         )}
 
@@ -2255,9 +2266,11 @@ function App() {
             bookLanguages={bookLanguages}
             currentStatus={statusForButtonState}
             defaultReleaseSource={config?.default_release_source}
+            defaultAudiobookReleaseSource={config?.default_release_source_audiobook}
             onSearchSeries={isBrowseFulfilMode || !canSearchSeriesForBook(activeReleaseBook) ? undefined : handleSearchSeries}
             defaultShowManualQuery={isBrowseFulfilMode || activeReleaseBook?.provider === 'manual'}
             isRequestMode={isBrowseFulfilMode || activeReleaseBook?.provider === 'manual'}
+            showReleaseSourceLinks={config?.show_release_source_links !== false}
             onShowToast={showToast}
           />
         )}

src/frontend/src/components/AdvancedFilters.tsx

@@ -194,7 +194,7 @@ export const AdvancedFilters = ({
   return renderWrapper ? (
     renderWrapper(settingsForm)
   ) : (
-    <div className="w-full border-b-hairline pt-6 pb-4 mb-4" style={{ borderColor: 'var(--border-muted)' }}>
+    <div className="w-full border-b pt-6 pb-4 mb-4" style={{ borderColor: 'var(--border-muted)' }}>
       <div className="w-full px-4 sm:px-6 lg:px-8">{settingsForm}</div>
     </div>
   );

src/frontend/src/components/ConfigSetupBanner.tsx

@@ -73,7 +73,7 @@ export const ConfigSetupBanner = ({
       {/* Modal */}
       <div
         className={`relative w-full max-w-lg rounded-xl
-                    border-hairline border-(--border-muted) shadow-2xl
+                    border border-(--border-muted) shadow-2xl
                     overflow-hidden
                     ${isClosing ? 'settings-modal-exit' : 'settings-modal-enter'}`}
         style={{ background: 'var(--bg)' }}
@@ -82,7 +82,7 @@ export const ConfigSetupBanner = ({
         aria-label="Settings Setup Information"
       >
         {/* Header */}
-        <div className="flex items-center justify-between px-5 py-4 border-b-hairline border-(--border-muted)">
+        <div className="flex items-center justify-between px-5 py-4 border-b border-(--border-muted)">
           <h2 className="text-lg font-semibold">
             {showContinueButton ? 'Config Volume Required' : 'New Feature: Settings Page'}
           </h2>
@@ -113,8 +113,8 @@ export const ConfigSetupBanner = ({
           </p>
 
           {/* Code snippet */}
-          <div className="rounded-lg overflow-hidden border-hairline border-(--border-muted)">
-            <div className="px-3 py-1.5 text-xs font-medium opacity-60 border-b-hairline border-(--border-muted)"
+          <div className="rounded-lg overflow-hidden border border-(--border-muted)">
+            <div className="px-3 py-1.5 text-xs font-medium opacity-60 border-b border-(--border-muted)"
                  style={{ background: 'var(--bg-soft)' }}>
               docker-compose.yml
             </div>
@@ -139,13 +139,13 @@ export const ConfigSetupBanner = ({
         </div>
 
         {/* Footer */}
-        <div className="px-5 py-4 border-t-hairline border-(--border-muted) flex justify-end gap-3">
+        <div className="px-5 py-4 border-t border-(--border-muted) flex justify-end gap-3">
           {showContinueButton ? (
             <>
               <button
                 onClick={handleClose}
                 className="px-4 py-2 rounded-lg text-sm font-medium
-                           bg-(--bg-soft) border-hairline border-(--border-muted)
+                           bg-(--bg-soft) border border-(--border-muted)
                            hover:bg-(--hover-surface) transition-colors"
               >
                 Close

src/frontend/src/components/DetailsModal.tsx

@@ -12,6 +12,7 @@ interface DetailsModalProps {
   onFindDownloads?: (book: Book) => void;  // For Universal mode
   onSearchSeries?: (seriesName: string, seriesId?: string) => void;  // Callback to search for series
   buttonState: ButtonStateInfo;
+  showReleaseSourceLinks?: boolean;
   onShowToast?: (message: string, type: 'success' | 'error' | 'info') => void;
 }
 
@@ -22,6 +23,7 @@ export const DetailsModal = ({
   onFindDownloads,
   onSearchSeries,
   buttonState,
+  showReleaseSourceLinks = true,
   onShowToast,
 }: DetailsModalProps) => {
   const [isQueuing, setIsQueuing] = useState(false);
@@ -91,6 +93,7 @@ export const DetailsModal = ({
 
   // Determine if this is a metadata book (Universal mode) vs a release (Direct Download)
   const isMetadata = isMetadataBook(book);
+  const showBookSourceLink = Boolean(book.source_url) && (isMetadata || showReleaseSourceLinks);
   const metadataActionText =
     isMetadata && buttonState.state === 'download' && buttonState.text === 'Get'
       ? 'Find Downloads'
@@ -135,7 +138,7 @@ export const DetailsModal = ({
         })
       : [];
   const extendedInfoEntries = [[publisherInfo.label, publisherInfo.value], ...additionalInfo];
-  const infoCardClass = 'rounded-2xl border-hairline border-(--border-muted) px-4 py-3 text-sm bg-(--bg-soft) sm:bg-(--bg)';
+  const infoCardClass = 'rounded-2xl border border-(--border-muted) px-4 py-3 text-sm bg-(--bg-soft) sm:bg-(--bg)';
   const infoLabelClass = 'text-[11px] uppercase tracking-wide text-gray-500 dark:text-gray-400';
   const infoValueClass = 'text-gray-900 dark:text-gray-100';
 
@@ -152,8 +155,8 @@ export const DetailsModal = ({
         aria-modal="true"
         aria-labelledby={titleId}
       >
-        <div className="flex h-full sm:h-[90vh] sm:max-h-[90vh] flex-col overflow-hidden rounded-none sm:rounded-2xl border-0 sm:border-hairline border-(--border-muted) bg-(--bg) sm:bg-(--bg-soft) text-(--text) shadow-none sm:shadow-2xl">
-          <header className="flex items-start gap-4 border-b-hairline border-(--border-muted) bg-(--bg) sm:bg-(--bg-soft) px-5 py-4">
+        <div className="flex h-full sm:h-[90vh] sm:max-h-[90vh] flex-col overflow-hidden rounded-none sm:rounded-2xl border-0 sm:border border-(--border-muted) bg-(--bg) sm:bg-(--bg-soft) text-(--text) shadow-none sm:shadow-2xl">
+          <header className="flex items-start gap-4 border-b border-(--border-muted) bg-(--bg) sm:bg-(--bg-soft) px-5 py-4">
             <div className="flex-1 space-y-1">
               <p className="text-xs uppercase tracking-wide text-gray-500 dark:text-gray-400">Book</p>
               <h3 id={titleId} className="text-lg font-semibold leading-snug">
@@ -198,7 +201,7 @@ export const DetailsModal = ({
                   </div>
                 ) : (
                   <div
-                    className="flex w-full items-center justify-center rounded-xl border-hairline border-dashed border-(--border-muted) bg-(--bg)/60 p-6 text-sm text-gray-500 lg:h-full lg:max-w-none"
+                    className="flex w-full items-center justify-center rounded-xl border border-dashed border-(--border-muted) bg-(--bg)/60 p-6 text-sm text-gray-500 lg:h-full lg:max-w-none"
                     style={{ maxHeight: artworkMaxHeight, maxWidth: artworkMaxWidth }}
                   >
                     No cover
@@ -329,12 +332,11 @@ export const DetailsModal = ({
           </div>
 
           <footer
-            className="border-t-hairline border-(--border-muted) bg-(--bg) sm:bg-(--bg-soft) px-5 py-4"
-            style={{ paddingBottom: 'calc(1rem + env(safe-area-inset-bottom))' }}
+            className="border-t border-(--border-muted) bg-(--bg) sm:bg-(--bg-soft) px-5 py-4"
           >
             <div className="flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between">
               {/* Source link - shown for both Universal and Direct Download modes */}
-              {book.source_url && (
+              {showBookSourceLink && (
                 <a
                   href={book.source_url}
                   target="_blank"
@@ -352,7 +354,7 @@ export const DetailsModal = ({
                   </svg>
                 </a>
               )}
-              <div className="flex w-full flex-col gap-2 sm:ml-auto sm:w-auto sm:flex-row sm:items-center">
+              <div className="flex w-full flex-col gap-3 sm:ml-auto sm:w-auto sm:flex-row sm:items-center">
                 {hasBookTargets && book.provider_id && (
                   <BookTargetDropdown
                     provider={book.provider!}

src/frontend/src/components/Dropdown.tsx

@@ -184,7 +184,7 @@ export const Dropdown = ({
             type="button"
             onClick={toggleOpen}
             disabled={disabled}
-            className={`w-full px-3 py-2 text-sm border-hairline flex items-center justify-between gap-2 text-left focus:outline-hidden focus-visible:outline-hidden focus-visible:ring-0 focus-visible:ring-offset-0 ${triggerChrome !== 'minimal' ? 'dropdown-trigger' : ''} ${buttonClassName}`}
+            className={`w-full px-3 py-2 text-sm border flex items-center justify-between gap-2 text-left focus:outline-hidden focus-visible:outline-hidden focus-visible:ring-0 focus-visible:ring-offset-0 ${triggerChrome !== 'minimal' ? 'dropdown-trigger' : ''} ${buttonClassName}`}
             style={{
               color: 'var(--text)',
               borderColor: triggerChrome === 'minimal' ? 'transparent' : 'var(--border-muted)',
@@ -222,7 +222,7 @@ export const Dropdown = ({
               panelDirection === 'down'
                 ? renderTrigger ? 'mt-2' : ''
                 : renderTrigger ? 'bottom-full mb-2' : 'bottom-full'
-            } border-hairline z-20 ${panelDirection === 'down' ? 'shadow-lg' : ''} ${panelClassName || widthClassName}`}
+            } border z-20 ${panelDirection === 'down' ? 'shadow-lg' : ''} ${panelClassName || widthClassName}`}
             style={{
               background: 'var(--bg)',
               borderColor: 'var(--border-muted)',

src/frontend/src/components/Header.tsx

@@ -399,7 +399,7 @@ export const Header = forwardRef<HeaderHandle, HeaderProps>(({
           </svg>
           {actingAsUser && (
             <span
-              className="absolute top-1 right-1 h-2 w-2 rounded-full bg-sky-500 border-hairline border-(--bg)"
+              className="absolute top-1 right-1 h-2 w-2 rounded-full bg-sky-500 border border-(--bg)"
               title={`Downloading as ${formatActingAsUserName(actingAsUser)}`}
             />
           )}
@@ -408,7 +408,7 @@ export const Header = forwardRef<HeaderHandle, HeaderProps>(({
         {/* Dropdown Menu */}
         {(isDropdownOpen || isClosing) && (
           <div
-            className={`absolute right-0 mt-2 ${dropdownPanelWidthClass} rounded-lg shadow-lg border-hairline z-50 ${
+            className={`absolute right-0 mt-2 ${dropdownPanelWidthClass} rounded-lg shadow-lg border z-50 ${
               isClosing ? 'animate-fade-out-up' : shouldAnimateIn ? 'animate-fade-in-down' : ''
             }`}
             style={{
@@ -550,7 +550,7 @@ export const Header = forwardRef<HeaderHandle, HeaderProps>(({
               {/* User Footer */}
               {authRequired && isAuthenticated && username && (
                 <div
-                  className="border-t-hairline"
+                  className="border-t"
                   style={{ borderColor: 'var(--border-muted)' }}
                 >
                   <div className="px-4 py-3 flex items-center gap-2.5">
@@ -581,7 +581,7 @@ export const Header = forwardRef<HeaderHandle, HeaderProps>(({
 
               {isAdmin && onActingAsUserChange && (
                 <div
-                  className="border-t-hairline px-4 py-3 space-y-2"
+                  className="border-t px-4 py-3 space-y-2"
                   style={{ borderColor: 'var(--border-muted)' }}
                 >
                   <div className="text-xs font-medium uppercase tracking-wide opacity-70">

src/frontend/src/components/LoginForm.tsx

@@ -112,7 +112,7 @@ const PasswordLoginForm = ({
           onChange={(event) => setUsername(event.target.value)}
           onKeyDown={handleUsernameKeyDown}
           disabled={isLoading}
-          className="w-full px-4 py-2.5 rounded-lg border-hairline focus:outline-hidden focus:ring-2 focus:ring-sky-500 disabled:opacity-50 disabled:cursor-not-allowed transition-colors"
+          className="w-full px-4 py-2.5 rounded-lg border focus:outline-hidden focus:ring-2 focus:ring-sky-500 disabled:opacity-50 disabled:cursor-not-allowed transition-colors"
           style={{
             backgroundColor: 'var(--input-background)',
             borderColor: 'var(--border-color)',
@@ -141,7 +141,7 @@ const PasswordLoginForm = ({
             value={password}
             onChange={(event) => setPassword(event.target.value)}
             disabled={isLoading}
-            className="w-full px-4 py-2.5 rounded-lg border-hairline focus:outline-hidden focus:ring-2 focus:ring-sky-500 disabled:opacity-50 disabled:cursor-not-allowed pr-10 transition-colors"
+            className="w-full px-4 py-2.5 rounded-lg border focus:outline-hidden focus:ring-2 focus:ring-sky-500 disabled:opacity-50 disabled:cursor-not-allowed pr-10 transition-colors"
             style={{
               backgroundColor: 'var(--input-background)',
               borderColor: 'var(--border-color)',
@@ -283,7 +283,7 @@ export const LoginForm = ({
           {!hideLocalAuth && (
             <>
               <div className="flex items-center mt-5 mb-2">
-                <div className="flex-1 border-t-hairline" style={{ borderColor: 'var(--border-color)' }} />
+                <div className="flex-1 border-t" style={{ borderColor: 'var(--border-color)' }} />
                 <button
                   type="button"
                   onClick={() => setShowPasswordLogin((prev) => !prev)}
@@ -291,7 +291,7 @@ export const LoginForm = ({
                 >
                   {showPasswordLogin ? 'Hide' : 'Use password'}
                 </button>
-                <div className="flex-1 border-t-hairline" style={{ borderColor: 'var(--border-color)' }} />
+                <div className="flex-1 border-t" style={{ borderColor: 'var(--border-color)' }} />
               </div>
 
               {showPasswordLogin && (

src/frontend/src/components/OnBehalfConfirmationModal.tsx

@@ -93,13 +93,13 @@ export const OnBehalfConfirmationModal = ({
       />
 
       <div
-        className={`relative w-full max-w-lg rounded-xl border-hairline border-(--border-muted) shadow-2xl ${isClosing ? 'settings-modal-exit' : 'settings-modal-enter'}`}
+        className={`relative w-full max-w-lg rounded-xl border border-(--border-muted) shadow-2xl ${isClosing ? 'settings-modal-exit' : 'settings-modal-enter'}`}
         style={{ background: 'var(--bg)' }}
         role="dialog"
         aria-modal="true"
         aria-labelledby={titleId}
       >
-        <header className="flex items-center justify-between border-b-hairline border-(--border-muted) px-6 py-4">
+        <header className="flex items-center justify-between border-b border-(--border-muted) px-6 py-4">
           <h3 id={titleId} className="text-lg font-semibold">
             Download as {actingAsName}?
           </h3>
@@ -120,18 +120,18 @@ export const OnBehalfConfirmationModal = ({
           <p className="text-sm opacity-90">
             This download will use {actingAsName}&apos;s output preferences and destination settings.
           </p>
-          <div className="rounded-xl border-hairline border-(--border-muted) bg-(--bg-soft) px-4 py-3">
+          <div className="rounded-xl border border-(--border-muted) bg-(--bg-soft) px-4 py-3">
             <p className="text-xs uppercase tracking-wide opacity-60">Title</p>
             <p className="text-sm font-medium mt-1 wrap-break-word">{itemTitle}</p>
           </div>
         </div>
 
-        <footer className="flex items-center justify-end gap-3 border-t-hairline border-(--border-muted) px-6 py-4">
+        <footer className="flex items-center justify-end gap-3 border-t border-(--border-muted) px-6 py-4">
           <button
             type="button"
             onClick={handleClose}
             disabled={isSubmitting}
-            className="px-4 py-2 rounded-lg text-sm font-medium bg-(--bg-soft) border-hairline border-(--border-muted) hover:bg-(--hover-surface) transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
+            className="px-4 py-2 rounded-lg text-sm font-medium bg-(--bg-soft) border border-(--border-muted) hover:bg-(--hover-surface) transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
           >
             Cancel
           </button>

src/frontend/src/components/OnboardingModal.tsx

@@ -390,7 +390,7 @@ export const OnboardingModal = ({
             <button
               onClick={handleClose}
               className="px-4 py-2 rounded-lg text-sm font-medium
-                       bg-(--bg-soft) border-hairline border-(--border-muted)
+                       bg-(--bg-soft) border border-(--border-muted)
                        hover:bg-(--hover-surface) transition-colors"
             >
               Close
@@ -416,7 +416,7 @@ export const OnboardingModal = ({
       {/* Modal */}
       <div
         className={`relative w-full max-w-xl rounded-xl
-                    border-hairline border-(--border-muted) shadow-2xl
+                    border border-(--border-muted) shadow-2xl
                     ${isClosing ? 'settings-modal-exit' : 'settings-modal-enter'}`}
         style={{ background: 'var(--bg)' }}
         role="dialog"
@@ -424,7 +424,7 @@ export const OnboardingModal = ({
         aria-label="Setup Wizard"
       >
         {/* Header */}
-        <div className="flex items-center justify-between px-6 py-4 border-b-hairline border-(--border-muted)">
+        <div className="flex items-center justify-between px-6 py-4 border-b border-(--border-muted)">
           <div className="flex items-center gap-3">
             <div className="flex items-center justify-center w-8 h-8 rounded-full bg-sky-500/20 text-sky-500 text-sm font-medium">
               {currentStepIndex + 1}
@@ -481,7 +481,7 @@ export const OnboardingModal = ({
         </div>
 
         {/* Footer */}
-        <div className="px-6 py-4 border-t-hairline border-(--border-muted) flex items-center justify-between h-[68px]">
+        <div className="px-6 py-4 border-t border-(--border-muted) flex items-center justify-between h-[68px]">
           <div>
             <button
               onClick={handleSkip}
@@ -499,7 +499,7 @@ export const OnboardingModal = ({
                 onClick={handleBack}
                 disabled={isSaving}
                 className="px-4 py-2 rounded-lg text-sm font-medium
-                         bg-(--bg-soft) border-hairline border-(--border-muted)
+                         bg-(--bg-soft) border border-(--border-muted)
                          hover:bg-(--hover-surface) transition-colors
                          disabled:opacity-50 disabled:cursor-not-allowed"
               >

src/frontend/src/components/ReleaseModal.tsx

@@ -14,6 +14,7 @@ import {
   SearchStatusData,
   ContentType,
   RequestPolicyMode,
+  isMetadataBook,
 } from '../types';
 import { getReleases, getReleaseSources } from '../services/api';
 import { useSocket } from '../contexts/SocketContext';
@@ -93,10 +94,12 @@ interface ReleaseModalProps {
   defaultLanguages: string[];
   bookLanguages: Language[];
   currentStatus: StatusData;
-  defaultReleaseSource?: string;  // Default tab to show (e.g., 'direct_download')
+  defaultReleaseSource?: string;  // Default book tab to show (e.g., 'direct_download')
+  defaultAudiobookReleaseSource?: string;  // Default audiobook tab to show
   onSearchSeries?: (seriesName: string, seriesId?: string) => void;  // Callback to search for series
   defaultShowManualQuery?: boolean;
   isRequestMode?: boolean;
+  showReleaseSourceLinks?: boolean;
   onShowToast?: (message: string, type: 'success' | 'error' | 'info') => void;
 }
 
@@ -154,7 +157,7 @@ const ReleaseThumbnail = ({ preview, title }: { preview?: string; title?: string
   }
 
   return (
-    <div className="relative w-7 h-10 sm:w-8 sm:h-12 rounded-sm overflow-hidden bg-zinc-100 dark:bg-zinc-800 border-hairline border-white/40 dark:border-zinc-700/70 shrink-0">
+    <div className="relative w-7 h-10 sm:w-8 sm:h-12 rounded-sm overflow-hidden bg-zinc-100 dark:bg-zinc-800 border border-white/40 dark:border-zinc-700/70 shrink-0">
       {!imageLoaded && (
         <div className="absolute inset-0 bg-linear-to-r from-gray-200 via-gray-100 to-gray-200 dark:from-gray-700 dark:via-gray-600 dark:to-gray-700 animate-pulse" />
       )}
@@ -224,6 +227,7 @@ const ReleaseRow = ({
   gridTemplate,
   leadingCell,
   onlineServers,
+  showReleaseSourceLinks,
 }: {
   release: Release;
   index: number;
@@ -233,6 +237,7 @@ const ReleaseRow = ({
   gridTemplate: string;
   leadingCell?: LeadingCellConfig;
   onlineServers?: string[];
+  showReleaseSourceLinks: boolean;
 }) => {
   const author = release.extra?.author as string | undefined;
 
@@ -271,7 +276,7 @@ const ReleaseRow = ({
         {/* Fixed: Title and author */}
         <div className="min-w-0">
           <p className="text-sm font-medium line-clamp-2" title={release.title}>
-            {release.info_url ? (
+            {showReleaseSourceLinks && release.info_url ? (
               <a
                 href={release.info_url}
                 target="_blank"
@@ -318,7 +323,7 @@ const ReleaseRow = ({
         <div className="min-w-0">
           {/* Title and author on same line */}
           <p className="text-sm leading-tight line-clamp-2" title={release.title}>
-            {release.info_url ? (
+            {showReleaseSourceLinks && release.info_url ? (
               <a
                 href={release.info_url}
                 target="_blank"
@@ -529,15 +534,20 @@ export const ReleaseModal = ({
   bookLanguages,
   currentStatus,
   defaultReleaseSource,
+  defaultAudiobookReleaseSource,
   onSearchSeries,
   defaultShowManualQuery = false,
   isRequestMode = false,
+  showReleaseSourceLinks = true,
   onShowToast,
 }: ReleaseModalProps) => {
   // Use audiobook formats when in audiobook mode
   const effectiveFormats = contentType === 'audiobook' && supportedAudiobookFormats.length > 0
     ? supportedAudiobookFormats
     : supportedFormats;
+  const preferredDefaultReleaseSource = contentType === 'audiobook'
+    ? (defaultAudiobookReleaseSource || defaultReleaseSource)
+    : defaultReleaseSource;
   const [isClosing, setIsClosing] = useState(false);
   const [isRequestingBook, setIsRequestingBook] = useState(false);
 
@@ -790,15 +800,15 @@ export const ReleaseModal = ({
           return;
         }
 
-        // Set active tab: prefer defaultReleaseSource if enabled and supports content type
+        // Set active tab: prefer the configured default source if enabled and supports content type
         if (supportedSources.length > 0) {
           const enabledSources = supportedSources.filter(s => s.enabled);
-          const defaultIsEnabled = defaultReleaseSource &&
-            enabledSources.some(s => s.name === defaultReleaseSource);
+          const defaultIsEnabled = preferredDefaultReleaseSource &&
+            enabledSources.some(s => s.name === preferredDefaultReleaseSource);
 
           let defaultSource: string;
           if (defaultIsEnabled) {
-            defaultSource = defaultReleaseSource;
+            defaultSource = preferredDefaultReleaseSource;
           } else if (enabledSources.length > 0) {
             defaultSource = enabledSources[0].name;
           } else {
@@ -822,7 +832,7 @@ export const ReleaseModal = ({
     };
 
     fetchSources();
-  }, [book, defaultReleaseSource, contentType]);
+  }, [book, preferredDefaultReleaseSource, contentType]);
 
   // Fetch releases when active tab changes (with caching)
   // Initial fetch always uses ISBN-first search; expansion is handled by handleExpandSearch
@@ -948,16 +958,16 @@ export const ReleaseModal = ({
     });
 
     // Sort so default source appears first
-    if (defaultReleaseSource) {
+    if (preferredDefaultReleaseSource) {
       enabledTabs.sort((a, b) => {
-        if (a.name === defaultReleaseSource) return -1;
-        if (b.name === defaultReleaseSource) return 1;
+        if (a.name === preferredDefaultReleaseSource) return -1;
+        if (b.name === preferredDefaultReleaseSource) return 1;
         return 0;
       });
     }
 
     return enabledTabs;
-  }, [availableSources, book?.provider, defaultReleaseSource, contentType]);
+  }, [availableSources, book?.provider, preferredDefaultReleaseSource, contentType]);
 
   // Update tab indicator position when active tab changes
   useEffect(() => {
@@ -1276,6 +1286,7 @@ export const ReleaseModal = ({
   const providerDisplay =
     book.provider_display_name ||
     (book.provider ? book.provider.charAt(0).toUpperCase() + book.provider.slice(1) : 'Unknown');
+  const showBookSourceLink = Boolean(book.source_url) && (isMetadataBook(book) || showReleaseSourceLinks);
 
   const currentTabLoading = loadingBySource[activeTab] ?? false;
   const currentTabError = errorBySource[activeTab] ?? null;
@@ -1297,13 +1308,35 @@ export const ReleaseModal = ({
         aria-modal="true"
         aria-labelledby={titleId}
       >
-        <div className="flex h-full sm:h-[90vh] sm:max-h-[90vh] flex-col overflow-hidden rounded-none sm:rounded-2xl border-0 sm:border-hairline border-(--border-muted) bg-(--bg) sm:bg-(--bg-soft) text-(--text) shadow-none sm:shadow-2xl">
+        <div className="flex h-full sm:h-[90vh] sm:max-h-[90vh] flex-col overflow-hidden rounded-none sm:rounded-2xl border-0 sm:border border-(--border-muted) bg-(--bg) sm:bg-(--bg-soft) text-(--text) shadow-none sm:shadow-2xl">
           {/* Header */}
-          <header className="flex items-start gap-3 border-b-hairline border-(--border-muted) px-5 py-4">
-            {/* Animated thumbnail that appears when scrolling */}
+          <header className="flex items-start gap-3 border-b border-(--border-muted) px-5 py-4">
+            {/* Mobile: static thumbnail always visible */}
+            {!isRequestMode && (
+              <div className="sm:hidden shrink-0">
+                {book.preview ? (
+                  <img
+                    src={book.preview}
+                    alt=""
+                    width={46}
+                    height={68}
+                    className="rounded-sm shadow-md object-cover object-top"
+                    style={{ width: 46, height: 68, minWidth: 46 }}
+                  />
+                ) : (
+                  <div
+                    className="rounded-sm border border-dashed border-(--border-muted) bg-(--bg)/60 flex items-center justify-center text-[7px] text-zinc-500"
+                    style={{ width: 46, height: 68, minWidth: 46 }}
+                  >
+                    No cover
+                  </div>
+                )}
+              </div>
+            )}
+            {/* Desktop: animated thumbnail that appears when scrolling */}
             {!isRequestMode && (
               <div
-                className="shrink-0 overflow-hidden transition-[width,margin] duration-300 ease-out"
+                className="hidden sm:block shrink-0 overflow-hidden transition-[width,margin] duration-300 ease-out"
                 style={{
                   width: showHeaderThumb ? 46 : 0,
                   marginRight: showHeaderThumb ? 0 : -12,
@@ -1324,7 +1357,7 @@ export const ReleaseModal = ({
                     />
                   ) : (
                     <div
-                      className="rounded-sm border-hairline border-dashed border-(--border-muted) bg-(--bg)/60 flex items-center justify-center text-[7px] text-zinc-500"
+                      className="rounded-sm border border-dashed border-(--border-muted) bg-(--bg)/60 flex items-center justify-center text-[7px] text-zinc-500"
                       style={{ width: 46, height: 68, minWidth: 46 }}
                     >
                       No cover
@@ -1364,15 +1397,15 @@ export const ReleaseModal = ({
           <div ref={scrollContainerRef} className="flex-1 min-h-0 overflow-y-auto">
             {/* Book summary - scrolls with content */}
             {!isRequestMode && (
-              <div ref={bookSummaryRef} className="flex gap-4 px-5 py-4 border-b-hairline border-(--border-muted)">
+              <div ref={bookSummaryRef} className="flex gap-4 px-5 py-4 border-b border-(--border-muted)">
                 {book.preview ? (
                   <img
                     src={book.preview}
                     alt="Book cover"
-                    className={`rounded-lg shadow-md object-cover object-top shrink-0 ${book.series_name ? 'w-24 h-[144px]' : 'w-20 h-[120px]'}`}
+                    className={`hidden sm:block rounded-lg shadow-md object-cover object-top shrink-0 ${book.series_name ? 'w-24 h-[144px]' : 'w-20 h-[120px]'}`}
                   />
                 ) : (
-                  <div className={`rounded-lg border-hairline border-dashed border-(--border-muted) bg-(--bg)/60 flex items-center justify-center text-[10px] text-zinc-500 shrink-0 ${book.series_name ? 'w-24 h-[144px]' : 'w-20 h-[120px]'}`}>
+                  <div className={`hidden sm:flex rounded-lg border border-dashed border-(--border-muted) bg-(--bg)/60 items-center justify-center text-[10px] text-zinc-500 shrink-0 ${book.series_name ? 'w-24 h-[144px]' : 'w-20 h-[120px]'}`}>
                     No cover
                   </div>
                 )}
@@ -1467,7 +1500,7 @@ export const ReleaseModal = ({
                         ISBN: {book.isbn_13 || book.isbn_10}
                       </span>
                     )}
-                    {book.source_url && (
+                    {showBookSourceLink && (
                       <a
                         href={book.source_url}
                         target="_blank"
@@ -1480,28 +1513,32 @@ export const ReleaseModal = ({
                         </svg>
                       </a>
                     )}
-                    {onRequestBook && (
-                      <button
-                        type="button"
-                        onClick={() => {
-                          void handleRequestBook();
-                        }}
-                        disabled={isRequestingBook}
-                        className="inline-flex items-center gap-1 px-2 py-1 text-xs font-medium text-emerald-600 dark:text-emerald-400 bg-emerald-50 dark:bg-emerald-900/20 rounded-full hover:bg-emerald-100 dark:hover:bg-emerald-900/40 transition-colors disabled:cursor-not-allowed disabled:opacity-60"
-                      >
-                        <svg className="w-3 h-3" fill="none" stroke="currentColor" viewBox="0 0 24 24" strokeWidth={2}>
-                          <path strokeLinecap="round" strokeLinejoin="round" d="M12 4.5v15m7.5-7.5h-15" />
-                        </svg>
-                        {isRequestingBook ? 'Adding...' : 'Add to requests'}
-                      </button>
-                    )}
-                    {bookSupportsTargets(book) && (
-                      <BookTargetDropdown
-                        provider={book.provider!}
-                        bookId={book.provider_id!}
-                        onShowToast={onShowToast}
-                        variant="pill"
-                      />
+                    {(onRequestBook || bookSupportsTargets(book)) && (
+                      <span className="inline-flex items-center gap-3">
+                        {onRequestBook && (
+                          <button
+                            type="button"
+                            onClick={() => {
+                              void handleRequestBook();
+                            }}
+                            disabled={isRequestingBook}
+                            className="inline-flex items-center gap-1 px-2 py-1 text-xs font-medium text-emerald-600 dark:text-emerald-400 bg-emerald-50 dark:bg-emerald-900/20 rounded-full hover:bg-emerald-100 dark:hover:bg-emerald-900/40 transition-colors disabled:cursor-not-allowed disabled:opacity-60"
+                          >
+                            <svg className="w-3 h-3" fill="none" stroke="currentColor" viewBox="0 0 24 24" strokeWidth={2}>
+                              <path strokeLinecap="round" strokeLinejoin="round" d="M12 4.5v15m7.5-7.5h-15" />
+                            </svg>
+                            {isRequestingBook ? 'Adding...' : 'Add to requests'}
+                          </button>
+                        )}
+                        {bookSupportsTargets(book) && (
+                          <BookTargetDropdown
+                            provider={book.provider!}
+                            bookId={book.provider_id!}
+                            onShowToast={onShowToast}
+                            variant="pill"
+                          />
+                        )}
+                      </span>
                     )}
                   </div>
                 </div>
@@ -1509,7 +1546,7 @@ export const ReleaseModal = ({
             )}
 
             {/* Source tabs + filters - sticky within scroll container */}
-            <div className="sticky top-0 z-10 border-b-hairline border-(--border-muted) bg-(--bg) sm:bg-(--bg-soft)">
+            <div className="sticky top-0 z-10 border-b border-(--border-muted) bg-(--bg) sm:bg-(--bg-soft)">
               {sourcesLoading ? (
                 <div className="flex gap-1 px-5 py-2">
                   <div className="h-10 w-32 animate-pulse bg-zinc-200 dark:bg-zinc-700 rounded-sm" />
@@ -1654,7 +1691,7 @@ export const ReleaseModal = ({
                             {availableFormats.length > 1 && (
                               <>
                                 {allSortOptions.length > 0 && (
-                                  <div className="mx-2 my-1 border-t-hairline border-zinc-200 dark:border-zinc-700" />
+                                  <div className="mx-2 my-1 border-t border-zinc-200 dark:border-zinc-700" />
                                 )}
                                 <button
                                   type="button"
@@ -1852,7 +1889,7 @@ export const ReleaseModal = ({
 
             {/* Manual query panel (below source tabs) */}
             {showManualQuery && (
-              <div className="px-5 py-3 border-b-hairline border-(--border-muted) bg-(--bg) sm:bg-(--bg-soft)">
+              <div className="px-5 py-3 border-b border-(--border-muted) bg-(--bg) sm:bg-(--bg-soft)">
                 <form
                   className="flex items-center gap-2"
                   onSubmit={async (e) => {
@@ -1907,7 +1944,7 @@ export const ReleaseModal = ({
                     value={manualQuery}
                     onChange={(e) => setManualQuery(e.target.value)}
                     placeholder="Type a custom search query (overrides all sources)"
-                    className="w-full px-3 py-2 text-sm rounded-lg border-hairline border-(--border-muted) bg-(--bg) text-(--text)"
+                    className="w-full px-3 py-2 text-sm rounded-lg border border-(--border-muted) bg-(--bg) text-(--text)"
                   />
                   <button
                     type="submit"
@@ -1981,6 +2018,7 @@ export const ReleaseModal = ({
                         gridTemplate={columnConfig.grid_template}
                         leadingCell={columnConfig.leading_cell}
                         onlineServers={columnConfig.online_servers}
+                        showReleaseSourceLinks={showReleaseSourceLinks}
                       />
                     ))}
                   </div>
@@ -2019,7 +2057,7 @@ export const ReleaseModal = ({
             {/* Sticky search status indicator - stays at bottom of visible scroll area */}
             {searchStatus && searchStatus.source === activeTab && currentTabLoading && (
               <div className="sticky bottom-0 z-10 flex items-center justify-center pointer-events-none pb-4 pt-2">
-                <div className="flex items-center gap-2.5 px-4 py-2 rounded-xl bg-(--bg-soft) border-hairline border-(--border-muted) text-zinc-500 dark:text-zinc-400 text-sm shadow-lg pointer-events-auto">
+                <div className="flex items-center gap-2.5 px-4 py-2 rounded-xl bg-(--bg-soft) border border-(--border-muted) text-zinc-500 dark:text-zinc-400 text-sm shadow-lg pointer-events-auto">
                   {searchStatus.phase !== 'complete' && searchStatus.phase !== 'error' && (
                     <div className="w-3.5 h-3.5 border-2 border-current border-t-transparent rounded-full animate-spin" />
                   )}

src/frontend/src/components/RequestConfirmationModal.tsx

@@ -139,13 +139,13 @@ export const RequestConfirmationModal = ({
       />
 
       <div
-        className={`relative w-full max-w-xl rounded-xl border-hairline border-(--border-muted) shadow-2xl ${isClosing ? 'settings-modal-exit' : 'settings-modal-enter'}`}
+        className={`relative w-full max-w-xl rounded-xl border border-(--border-muted) shadow-2xl ${isClosing ? 'settings-modal-exit' : 'settings-modal-enter'}`}
         style={{ background: 'var(--bg)' }}
         role="dialog"
         aria-modal="true"
         aria-labelledby={titleId}
       >
-        <header className="flex items-center justify-between border-b-hairline border-(--border-muted) px-6 py-4">
+        <header className="flex items-center justify-between border-b border-(--border-muted) px-6 py-4">
           <h3 id={titleId} className="text-lg font-semibold">
             Request Book
           </h3>
@@ -163,9 +163,9 @@ export const RequestConfirmationModal = ({
         </header>
 
         <div className="space-y-4 px-6 py-5">
-          <div className="rounded-xl border-hairline border-(--border-muted) bg-(--bg-soft) px-4 py-4">
+          <div className="rounded-xl border border-(--border-muted) bg-(--bg-soft) px-4 py-4">
             <div className="flex gap-4">
-              <div className="w-16 h-24 shrink-0 rounded-lg overflow-hidden border-hairline border-(--border-muted) bg-(--bg)">
+              <div className="w-16 h-24 shrink-0 rounded-lg overflow-hidden border border-(--border-muted) bg-(--bg)">
                 {preview.preview ? (
                   <img
                     src={preview.preview}
@@ -212,7 +212,7 @@ export const RequestConfirmationModal = ({
                 onChange={(event) => setNote(truncateRequestNote(event.target.value))}
                 maxLength={MAX_REQUEST_NOTE_LENGTH}
                 rows={4}
-                className="w-full px-3 py-2 rounded-lg border-hairline border-(--border-muted) bg-(--bg) text-sm resize-y min-h-[96px] focus:outline-hidden focus:ring-2 focus:ring-sky-500/50 focus:border-sky-500"
+                className="w-full px-3 py-2 rounded-lg border border-(--border-muted) bg-(--bg) text-sm resize-y min-h-[96px] focus:outline-hidden focus:ring-2 focus:ring-sky-500/50 focus:border-sky-500"
                 placeholder="Add context for admins reviewing this request..."
                 disabled={isSubmitting}
               />
@@ -223,12 +223,12 @@ export const RequestConfirmationModal = ({
           )}
         </div>
 
-        <footer className="flex items-center justify-end gap-3 border-t-hairline border-(--border-muted) px-6 py-4">
+        <footer className="flex items-center justify-end gap-3 border-t border-(--border-muted) px-6 py-4">
           <button
             type="button"
             onClick={handleClose}
             disabled={isSubmitting}
-            className="px-4 py-2 rounded-lg text-sm font-medium bg-(--bg-soft) border-hairline border-(--border-muted) hover:bg-(--hover-surface) transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
+            className="px-4 py-2 rounded-lg text-sm font-medium bg-(--bg-soft) border border-(--border-muted) hover:bg-(--hover-surface) transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
           >
             Cancel
           </button>

src/frontend/src/components/SearchBar.tsx

@@ -414,7 +414,7 @@ export const SearchBar = forwardRef<SearchBarHandle, SearchBarProps>(({
     Boolean(autocompleteEndpoint)
     && isAutocompleteOpen
     && textInputValue.trim().length >= autocompleteMinQueryLength;
-  const wrapperClasses = ['relative flex items-center rounded-full border-hairline', className].filter(Boolean).join(' ').trim();
+  const wrapperClasses = ['relative flex items-center rounded-full border', className].filter(Boolean).join(' ').trim();
   const controlsClasses = [
     'flex items-center gap-1 pr-2 shrink-0',
     controlsClassName,
@@ -640,7 +640,7 @@ export const SearchBar = forwardRef<SearchBarHandle, SearchBarProps>(({
 
             {isSelectorOpen && (
               <div
-                className="absolute left-0 top-full z-50 mt-2 w-[min(20rem,calc(100vw-2rem))] overflow-hidden rounded-2xl border-hairline shadow-2xl animate-fade-in-down"
+                className="absolute left-0 top-full z-50 mt-2 w-[min(20rem,calc(100vw-2rem))] overflow-hidden rounded-2xl border shadow-2xl animate-fade-in-down"
                 style={{
                   background: 'var(--bg)',
                   borderColor: 'var(--border-muted)',
@@ -650,7 +650,7 @@ export const SearchBar = forwardRef<SearchBarHandle, SearchBarProps>(({
               >
                 <div className="max-h-[min(24rem,calc(100vh-8rem))] overflow-y-auto p-3">
                   {showContentTypeSelector && (
-                    <div className="border-b-hairline pb-3" style={{ borderColor: 'var(--border-muted)' }}>
+                    <div className="border-b pb-3" style={{ borderColor: 'var(--border-muted)' }}>
                       <div className="px-1 pb-2 text-xs font-medium uppercase tracking-wide opacity-60">
                         Content
                       </div>
@@ -658,7 +658,7 @@ export const SearchBar = forwardRef<SearchBarHandle, SearchBarProps>(({
                         <button
                           type="button"
                           onClick={() => handleContentTypeSelect('ebook')}
-                          className={`flex items-center gap-2 rounded-xl border-hairline px-3 py-2.5 text-sm font-medium transition-colors ${
+                          className={`flex items-center gap-2 rounded-xl border px-3 py-2.5 text-sm font-medium transition-colors ${
                             contentType === 'ebook' ? 'bg-emerald-600 text-white' : 'hover-surface'
                           }`}
                           style={contentType !== 'ebook'
@@ -671,7 +671,7 @@ export const SearchBar = forwardRef<SearchBarHandle, SearchBarProps>(({
                         <button
                           type="button"
                           onClick={() => handleContentTypeSelect('audiobook')}
-                          className={`flex items-center gap-2 rounded-xl border-hairline px-3 py-2.5 text-sm font-medium transition-colors ${
+                          className={`flex items-center gap-2 rounded-xl border px-3 py-2.5 text-sm font-medium transition-colors ${
                             contentType === 'audiobook' ? 'bg-emerald-600 text-white' : 'hover-surface'
                           }`}
                           style={contentType !== 'audiobook'
@@ -699,7 +699,7 @@ export const SearchBar = forwardRef<SearchBarHandle, SearchBarProps>(({
                             onClick={() => handleQueryTargetSelect(target.key)}
                             title={target.description || target.label}
                             aria-label={target.label}
-                            className={`min-w-0 rounded-xl border-hairline px-3 py-2.5 text-sm font-medium transition-colors flex items-center gap-2 ${
+                            className={`min-w-0 rounded-xl border px-3 py-2.5 text-sm font-medium transition-colors flex items-center gap-2 ${
                               isActive ? `${searchMode === 'direct' ? 'bg-sky-700' : 'bg-emerald-600'} text-white` : 'hover-surface'
                             }`}
                             style={isActive
@@ -715,7 +715,7 @@ export const SearchBar = forwardRef<SearchBarHandle, SearchBarProps>(({
                   </div>
 
                   {onAdvancedToggle && (
-                    <div className="border-t-hairline pt-3 mt-3" style={{ borderColor: 'var(--border-muted)' }}>
+                    <div className="border-t pt-3 mt-3" style={{ borderColor: 'var(--border-muted)' }}>
                       <button
                         type="button"
                         onClick={() => {
@@ -826,7 +826,7 @@ export const SearchBar = forwardRef<SearchBarHandle, SearchBarProps>(({
       {selectDropdownOpen && (
         <div
           ref={selectPanelRef}
-          className="absolute top-full left-0 right-0 z-50 mt-2 rounded-2xl border-hairline shadow-xl overflow-hidden animate-fade-in-down"
+          className="absolute top-full left-0 right-0 z-50 mt-2 rounded-2xl border shadow-xl overflow-hidden animate-fade-in-down"
           style={{ background: 'var(--bg)', borderColor: 'var(--border-muted)' }}
           role="listbox"
           aria-label={effectiveInputAriaLabel}
@@ -869,7 +869,7 @@ export const SearchBar = forwardRef<SearchBarHandle, SearchBarProps>(({
       {autocompleteDropdownOpen && (
         <div
           ref={autocompletePanelRef}
-          className="absolute top-full left-0 right-0 z-50 mt-2 rounded-2xl border-hairline shadow-xl overflow-hidden animate-fade-in-down"
+          className="absolute top-full left-0 right-0 z-50 mt-2 rounded-2xl border shadow-xl overflow-hidden animate-fade-in-down"
           style={{ background: 'var(--bg)', borderColor: 'var(--border-muted)' }}
           role="listbox"
           aria-label={`${effectiveInputAriaLabel} suggestions`}

src/frontend/src/components/activity/ActivityCard.tsx

@@ -746,7 +746,7 @@ export const ActivityCard = ({
                     type="button"
                     onClick={handleReviewManualApproval}
                     disabled={isReviewSubmitting}
-                    className="px-2.5 py-1.5 rounded-md text-xs border-hairline border-(--border-muted) hover:bg-(--hover-surface) transition-colors disabled:opacity-50"
+                    className="px-2.5 py-1.5 rounded-md text-xs border border-(--border-muted) hover:bg-(--hover-surface) transition-colors disabled:opacity-50"
                   >
                     {isReviewSubmitting ? 'Working...' : 'Manually Mark as Approved'}
                   </button>
@@ -756,7 +756,7 @@ export const ActivityCard = ({
                     type="button"
                     onClick={handleReviewBrowseAlternatives}
                     disabled={isReviewSubmitting}
-                    className="px-2.5 py-1.5 rounded-md text-xs border-hairline border-(--border-muted) hover:bg-(--hover-surface) transition-colors disabled:opacity-50"
+                    className="px-2.5 py-1.5 rounded-md text-xs border border-(--border-muted) hover:bg-(--hover-surface) transition-colors disabled:opacity-50"
                   >
                     Browse Alternatives
                   </button>
@@ -776,7 +776,7 @@ export const ActivityCard = ({
                 rows={3}
                 maxLength={MAX_ADMIN_NOTE_LENGTH}
                 placeholder="Optional note shown to the user"
-                className="w-full px-2.5 py-2 rounded-md border-hairline border-(--border-muted) bg-(--bg) text-xs resize-y min-h-[72px] focus:outline-hidden focus:ring-2 focus:ring-red-500/30 focus:border-red-500"
+                className="w-full px-2.5 py-2 rounded-md border border-(--border-muted) bg-(--bg) text-xs resize-y min-h-[72px] focus:outline-hidden focus:ring-2 focus:ring-red-500/30 focus:border-red-500"
                 disabled={isRejectSubmitting}
               />
               <div className="flex items-center justify-between">

src/frontend/src/components/activity/ActivitySidebar.tsx

@@ -735,7 +735,7 @@ export const ActivitySidebar = ({
         </div>
 
         {activeTab !== 'history' && (
-          <div className="mt-2 border-b-hairline border-(--border-muted) -mx-4 px-4">
+          <div className="mt-2 border-b border-(--border-muted) -mx-4 px-4">
             <div className="relative flex gap-1">
               {/* Sliding indicator */}
               <div
@@ -961,7 +961,7 @@ export const ActivitySidebar = ({
 
       {(activeTab === 'downloads' || activeTab === 'all') && hasTerminalDownloadItems && clearCompletedTargets.length > 0 && (
         <div
-          className="p-3 border-t-hairline flex items-center justify-center"
+          className="p-3 border-t flex items-center justify-center"
           style={{
             borderColor: 'var(--border-muted)',
             paddingBottom: 'calc(0.75rem + env(safe-area-inset-bottom))',
@@ -979,7 +979,7 @@ export const ActivitySidebar = ({
 
       {activeTab === 'history' && historyItems.length > 0 && (
         <div
-          className="p-3 border-t-hairline flex items-center justify-center"
+          className="p-3 border-t flex items-center justify-center"
           style={{
             borderColor: 'var(--border-muted)',
             paddingBottom: 'calc(0.75rem + env(safe-area-inset-bottom))',

src/frontend/src/components/resultsViews/CardView.tsx

@@ -67,7 +67,7 @@ export const CardView = ({ book, onDetails, onDownload, onGetReleases, buttonSta
           {/* Series position badge */}
           {showSeriesPosition && book.series_position != null && (
             <div
-              className="absolute top-2 left-2 z-10 px-2 py-1 text-xs font-bold text-white bg-emerald-600 rounded-md border-hairline border-emerald-700"
+              className="absolute top-2 left-2 z-10 px-2 py-1 text-xs font-bold text-white bg-emerald-600 rounded-md border border-emerald-700"
               style={{
                 boxShadow: '0 2px 8px rgba(0, 0, 0, 0.4), 0 1px 3px rgba(0, 0, 0, 0.3)',
                 textShadow: '0 1px 2px rgba(0, 0, 0, 0.3)',
@@ -177,7 +177,7 @@ export const CardView = ({ book, onDetails, onDownload, onGetReleases, buttonSta
 
         <div className="flex gap-1.5 sm:hidden">
           <button
-            className="px-2 py-1.5 rounded-sm border-hairline text-xs flex-1 flex items-center justify-center gap-1"
+            className="px-2 py-1.5 rounded-sm border text-xs flex-1 flex items-center justify-center gap-1"
             onClick={() => handleDetails(book.id)}
             style={{ borderColor: 'var(--border-muted)' }}
             disabled={isLoadingDetails}

src/frontend/src/components/resultsViews/CompactView.tsx

@@ -68,7 +68,7 @@ export const CompactView = ({ book, onDetails, onDownload, onGetReleases, button
           {/* Series position badge */}
           {showSeriesPosition && book.series_position != null && (
             <div
-              className="absolute top-2 left-2 z-10 px-2 py-1 text-xs font-bold text-white bg-emerald-600 rounded-md border-hairline border-emerald-700"
+              className="absolute top-2 left-2 z-10 px-2 py-1 text-xs font-bold text-white bg-emerald-600 rounded-md border border-emerald-700"
               style={{
                 boxShadow: '0 2px 8px rgba(0, 0, 0, 0.4), 0 1px 3px rgba(0, 0, 0, 0.3)',
                 textShadow: '0 1px 2px rgba(0, 0, 0, 0.3)',
@@ -177,7 +177,7 @@ export const CompactView = ({ book, onDetails, onDownload, onGetReleases, button
           {showDetailsButton ? (
             <div className="flex gap-1.5">
               <button
-                className="px-2 py-1.5 rounded-sm border-hairline text-xs shrink-0 flex items-center justify-center gap-1"
+                className="px-2 py-1.5 rounded-sm border text-xs shrink-0 flex items-center justify-center gap-1"
                 onClick={() => handleDetails(book.id)}
                 style={{ borderColor: 'var(--border-muted)' }}
                 disabled={isLoadingDetails}

src/frontend/src/components/resultsViews/ListView.tsx

@@ -34,7 +34,7 @@ const ListViewThumbnail = ({ preview, title }: { preview?: string; title?: strin
   }
 
   return (
-    <div className="relative w-7 h-10 sm:w-10 sm:h-14 rounded-sm overflow-hidden bg-gray-100 dark:bg-gray-800 border-hairline border-white/40 dark:border-gray-700/70">
+    <div className="relative w-7 h-10 sm:w-10 sm:h-14 rounded-sm overflow-hidden bg-gray-100 dark:bg-gray-800 border border-white/40 dark:border-gray-700/70">
       {!imageLoaded && (
         <div className="absolute inset-0 bg-linear-to-r from-gray-200 via-gray-100 to-gray-200 dark:from-gray-700 dark:via-gray-600 dark:to-gray-700 animate-pulse" />
       )}
@@ -129,7 +129,7 @@ export const ListView = ({ books, onDetails, onDownload, onGetReleases, getButto
                   <h3 className="font-semibold text-xs min-[400px]:text-sm sm:text-base leading-tight line-clamp-1 sm:line-clamp-2 flex items-center gap-2" title={book.title || 'Untitled'}>
                     {showSeriesPosition && book.series_position != null && (
                       <span
-                        className="inline-flex mr-1.5 px-1.5 py-0.5 text-[10px] sm:text-xs font-bold text-white bg-emerald-600 rounded-sm border-hairline border-emerald-700 shrink-0"
+                        className="inline-flex mr-1.5 px-1.5 py-0.5 text-[10px] sm:text-xs font-bold text-white bg-emerald-600 rounded-sm border border-emerald-700 shrink-0"
                         style={{
                           boxShadow: '0 1px 4px rgba(0, 0, 0, 0.3)',
                           textShadow: '0 1px 2px rgba(0, 0, 0, 0.3)',

src/frontend/src/components/settings/SelfSettingsModal.tsx

@@ -252,13 +252,13 @@ export const SelfSettingsModal = ({
       />
 
       <div
-        className={`relative w-full max-w-3xl h-[85vh] max-h-[750px] rounded-xl border-hairline border-(--border-muted) shadow-2xl flex flex-col overflow-hidden ${isClosing ? 'settings-modal-exit' : 'settings-modal-enter'}`}
+        className={`relative w-full max-w-3xl h-[85vh] max-h-[750px] rounded-xl border border-(--border-muted) shadow-2xl flex flex-col overflow-hidden ${isClosing ? 'settings-modal-exit' : 'settings-modal-enter'}`}
         style={{ background: 'var(--bg)' }}
         role="dialog"
         aria-modal="true"
         aria-labelledby={titleId}
       >
-        <header className="flex items-center justify-between border-b-hairline border-(--border-muted) px-6 py-4">
+        <header className="flex items-center justify-between border-b border-(--border-muted) px-6 py-4">
           <h3 id={titleId} className="sr-only">My Account</h3>
           {editingUser ? (
             <UserIdentityHeader
@@ -295,7 +295,7 @@ export const SelfSettingsModal = ({
               <button
                 type="button"
                 onClick={() => { void loadEditContext(); }}
-                className="px-4 py-2 rounded-lg text-sm font-medium border-hairline border-(--border-muted) bg-(--bg-soft) hover:bg-(--hover-surface) transition-colors"
+                className="px-4 py-2 rounded-lg text-sm font-medium border border-(--border-muted) bg-(--bg-soft) hover:bg-(--hover-surface) transition-colors"
               >
                 Retry
               </button>
@@ -350,7 +350,7 @@ export const SelfSettingsModal = ({
           )}
         </div>
 
-        <footer className="flex items-center justify-end gap-3 border-t-hairline border-(--border-muted) px-6 py-4">
+        <footer className="flex items-center justify-end gap-3 border-t border-(--border-muted) px-6 py-4">
           <UserEditActions
             variant="modalFooter"
             onSave={() => {

src/frontend/src/components/settings/SettingsHeader.tsx

@@ -12,7 +12,7 @@ export const SettingsHeader = ({
   onClose,
 }: SettingsHeaderProps) => (
   <header
-    className="flex items-center gap-3 px-5 py-4 border-b-hairline border-(--border-muted) shrink-0"
+    className="flex items-center gap-3 px-5 py-4 border-b border-(--border-muted) shrink-0"
     style={{ paddingTop: 'calc(1rem + env(safe-area-inset-top))' }}
   >
     {showBack && (

src/frontend/src/components/settings/SettingsModal.tsx

@@ -380,7 +380,7 @@ export const SettingsModal = ({ isOpen, authMode, onClose, onShowToast, onSettin
             <button
               onClick={handleClose}
               className="px-4 py-2 rounded-lg text-sm font-medium
-                         bg-(--bg-soft) border-hairline border-(--border-muted)                         hover:bg-(--hover-surface) transition-colors"
+                         bg-(--bg-soft) border border-(--border-muted)                         hover:bg-(--hover-surface) transition-colors"
             >
               Close
             </button>
@@ -440,7 +440,7 @@ export const SettingsModal = ({ isOpen, authMode, onClose, onShowToast, onSettin
       {/* Modal */}
       <div
         className={`relative w-full max-w-4xl h-[85vh] max-h-[750px] rounded-xl
-                    border-hairline border-(--border-muted) shadow-2xl
+                    border border-(--border-muted) shadow-2xl
                     flex flex-col overflow-hidden
                     ${isClosing ? 'settings-modal-exit' : 'settings-modal-enter'}`}
         style={{ background: 'var(--bg)' }}

src/frontend/src/components/settings/SettingsSidebar.tsx

@@ -219,7 +219,7 @@ export const SettingsSidebar = ({
                   <span className="flex-1">{item.tab.displayName}</span>
                 </button>
                 {itemIndex < sidebarItems.length - 1 && (
-                  <div className="ml-14 mr-5 border-b-hairline border-(--border-muted)" />
+                  <div className="ml-14 mr-5 border-b border-(--border-muted)" />
                 )}
               </div>
             );
@@ -251,7 +251,7 @@ export const SettingsSidebar = ({
                         <span className="flex-1 text-[15px]">{tab.displayName}</span>
                       </button>
                       {index < item.tabs.length - 1 && (
-                        <div className="ml-14 mr-5 border-b-hairline border-(--border-muted)" />
+                        <div className="ml-14 mr-5 border-b border-(--border-muted)" />
                       )}
                     </div>
                   ))}
@@ -259,7 +259,7 @@ export const SettingsSidebar = ({
               )}
 
               {itemIndex < sidebarItems.length - 1 && (
-                <div className="ml-14 mr-5 border-b-hairline border-(--border-muted)" />
+                <div className="ml-14 mr-5 border-b border-(--border-muted)" />
               )}
             </div>
           );
@@ -270,7 +270,7 @@ export const SettingsSidebar = ({
 
   // Desktop: Sidebar navigation
   return (
-    <nav className="w-60 border-r-hairline border-(--border-muted) py-2 shrink-0 overflow-y-auto">
+    <nav className="w-60 border-r border-(--border-muted) py-2 shrink-0 overflow-y-auto">
       {sidebarItems.map((item) => {
         if (item.type === 'section') {
           return (
@@ -318,7 +318,7 @@ export const SettingsSidebar = ({
             </button>
 
             {isExpanded && (
-              <div className="ml-[22px] border-l-hairline border-(--border-muted) flex flex-col gap-0.5 pl-3">
+              <div className="ml-[22px] border-l border-(--border-muted) flex flex-col gap-0.5 pl-3">
                 {item.tabs.map((tab) => (
                   <button
                     key={tab.name}

src/frontend/src/components/settings/customFields/OidcEnvInfo.tsx

@@ -2,9 +2,9 @@ import { CustomSettingsFieldRendererProps } from './types';
 
 export const OidcEnvInfo = (_props: CustomSettingsFieldRendererProps) => {
   return (
-    <div className="rounded-lg overflow-hidden border-hairline border-(--border-muted)">
+    <div className="rounded-lg overflow-hidden border border-(--border-muted)">
       <div
-        className="px-3 py-1.5 text-xs font-medium opacity-60 border-b-hairline border-(--border-muted)"
+        className="px-3 py-1.5 text-xs font-medium opacity-60 border-b border-(--border-muted)"
         style={{ background: 'var(--bg-soft)' }}
       >
         docker-compose.yml

src/frontend/src/components/settings/fields/ActionButton.tsx

@@ -31,7 +31,7 @@ export const ActionButton = ({ field, onAction, disabled }: ActionButtonProps) =
 
   const styleClasses = {
     default:
-      'bg-(--bg-soft) border-hairline border-(--border-muted) hover:bg-(--hover-surface)',
+      'bg-(--bg-soft) border border-(--border-muted) hover:bg-(--hover-surface)',
     primary: 'bg-sky-600 text-white hover:bg-sky-700',
     danger: 'bg-red-600 text-white hover:bg-red-700',
   };

src/frontend/src/components/settings/fields/HeadingField.tsx

@@ -5,7 +5,7 @@ interface HeadingFieldProps {
 }
 
 export const HeadingField = ({ field }: HeadingFieldProps) => (
-  <div className="pb-1 not-first:pt-5 not-first:mt-1 not-first:border-t-hairline not-first:border-(--border-muted)">
+  <div className="pb-1 not-first:pt-5 not-first:mt-1 not-first:border-t not-first:border-(--border-muted)">
     <h3 className="text-base font-semibold mb-1">{field.title}</h3>
     {field.description && (
       <p className="text-sm opacity-70">

src/frontend/src/components/settings/fields/MultiSelectField.tsx

@@ -163,7 +163,7 @@ export const MultiSelectField = ({ field, value, onChange, disabled }: MultiSele
 
     if (isDisabled) {
       return (
-        <div className="w-full px-3 py-2 rounded-lg border-hairline border-(--border-muted) bg-(--bg-soft) text-sm opacity-60 cursor-not-allowed">
+        <div className="w-full px-3 py-2 rounded-lg border border-(--border-muted) bg-(--bg-soft) text-sm opacity-60 cursor-not-allowed">
           {summaryFormatter()}
         </div>
       );
@@ -277,7 +277,7 @@ export const MultiSelectField = ({ field, value, onChange, disabled }: MultiSele
                 onClick={() => toggleOption(opt.value)}
                 disabled={isDisabled}
                 className={`px-3 py-1.5 rounded-full text-sm font-medium
-                            transition-colors border-hairline
+                            transition-colors border
                             disabled:opacity-60 disabled:cursor-not-allowed
                             ${
                               isSelected

src/frontend/src/components/settings/fields/NumberField.tsx

@@ -20,7 +20,7 @@ export const NumberField = ({ field, value, onChange, disabled }: NumberFieldPro
       max={field.max}
       step={field.step ?? 1}
       disabled={isDisabled}
-      className="w-full px-3 py-2 rounded-lg border-hairline border-(--border-muted)                 bg-(--bg-soft) text-sm
+      className="w-full px-3 py-2 rounded-lg border border-(--border-muted)                 bg-(--bg-soft) text-sm
                  focus:outline-hidden focus:ring-2 focus:ring-sky-500/50 focus:border-sky-500
                  disabled:opacity-60 disabled:cursor-not-allowed
                  transition-colors"

src/frontend/src/components/settings/fields/OrderableListField.tsx

@@ -233,7 +233,7 @@ export const OrderableListField = ({
                 flex items-center gap-3 p-3 rounded-lg
                 transition-all duration-150
                 ${isDragging ? 'opacity-50 cursor-grabbing' : isPinned ? 'cursor-default' : 'cursor-grab'}
-                border-hairline border-(--border-muted)                ${isDisabled ? 'opacity-60' : !isPinned ? 'hover:bg-(--hover-surface)' : ''}
+                border border-(--border-muted)                ${isDisabled ? 'opacity-60' : !isPinned ? 'hover:bg-(--hover-surface)' : ''}
               `}
             >
               {/* Reorder Controls - hidden for pinned items */}

src/frontend/src/components/settings/fields/PasswordField.tsx

@@ -21,7 +21,7 @@ export const PasswordField = ({ field, value, onChange, disabled }: PasswordFiel
         onChange={(e) => onChange(e.target.value)}
         placeholder={field.placeholder}
         disabled={isDisabled}
-        className="w-full px-3 py-2 pr-10 rounded-lg border-hairline border-(--border-muted)                   bg-(--bg-soft) text-sm
+        className="w-full px-3 py-2 pr-10 rounded-lg border border-(--border-muted)                   bg-(--bg-soft) text-sm
                    focus:outline-hidden focus:ring-2 focus:ring-sky-500/50 focus:border-sky-500
                    disabled:opacity-60 disabled:cursor-not-allowed
                    transition-colors"

src/frontend/src/components/settings/fields/SelectField.tsx

@@ -69,7 +69,7 @@ export const SelectField = ({ field, value, onChange, disabled, filterValue }: S
     // When disabled, show a static display instead of the dropdown
     const selectedOption = filteredOptions.find((opt) => opt.value === effectiveValue);
     return (
-      <div className="w-full px-3 py-2 rounded-lg border-hairline border-(--border-muted) bg-(--bg-soft) text-sm opacity-60 cursor-not-allowed">
+      <div className="w-full px-3 py-2 rounded-lg border border-(--border-muted) bg-(--bg-soft) text-sm opacity-60 cursor-not-allowed">
         {selectedOption?.label || 'Select...'}
       </div>
     );

src/frontend/src/components/settings/fields/TableField.tsx

@@ -175,7 +175,7 @@ export const TableField = ({ field, value, onChange, disabled }: TableFieldProps
           onClick={addRow}
           disabled={isDisabled}
           className="px-3 py-2 rounded-lg text-sm font-medium
-                     bg-(--bg-soft) border-hairline border-(--border-muted)                     hover-action transition-colors
+                     bg-(--bg-soft) border border-(--border-muted)                     hover-action transition-colors
                      disabled:opacity-60 disabled:cursor-not-allowed"
         >
           {field.addLabel || 'Add'}
@@ -236,7 +236,7 @@ export const TableField = ({ field, value, onChange, disabled }: TableFieldProps
                   <div key={col.key} className="flex flex-col gap-1 min-w-0">
                     {mobileLabel}
                     {isDisabled ? (
-                      <div className="w-full px-3 py-2 rounded-lg border-hairline border-(--border-muted) shadow-sm bg-(--bg-soft) text-sm opacity-60 cursor-not-allowed">
+                      <div className="w-full px-3 py-2 rounded-lg border border-(--border-muted) shadow-sm bg-(--bg-soft) text-sm opacity-60 cursor-not-allowed">
                         {options.find((o) => o.value === String(cellValue ?? ''))?.label || 'Select...'}
                       </div>
                     ) : (
@@ -300,7 +300,7 @@ export const TableField = ({ field, value, onChange, disabled }: TableFieldProps
                     onChange={(e) => updateCell(rowIndex, col.key, e.target.value)}
                     placeholder={col.placeholder}
                     disabled={isDisabled}
-                    className="w-full px-3 py-2 rounded-lg border-hairline border-(--border-muted)                               bg-(--bg-soft) text-sm
+                    className="w-full px-3 py-2 rounded-lg border border-(--border-muted)                               bg-(--bg-soft) text-sm
                                focus:outline-hidden focus:ring-2 focus:ring-sky-500/50 focus:border-sky-500
                                disabled:opacity-60 disabled:cursor-not-allowed
                                transition-colors"
@@ -331,7 +331,7 @@ export const TableField = ({ field, value, onChange, disabled }: TableFieldProps
               </button>
             </div>
 
-            <div className="col-span-full border-t-hairline border-(--border-muted) opacity-60" />
+            <div className="col-span-full border-t border-(--border-muted) opacity-60" />
           </div>
         ))}
       </div>
@@ -341,7 +341,7 @@ export const TableField = ({ field, value, onChange, disabled }: TableFieldProps
         onClick={addRow}
         disabled={isDisabled}
         className="px-3 py-2 rounded-lg text-sm font-medium
-                   bg-(--bg-soft) border-hairline border-(--border-muted)                   hover-action transition-colors
+                   bg-(--bg-soft) border border-(--border-muted)                   hover-action transition-colors
                    disabled:opacity-60 disabled:cursor-not-allowed"
       >
         {field.addLabel || 'Add'}

src/frontend/src/components/settings/fields/TagListField.tsx

@@ -82,7 +82,7 @@ export const TagListField = ({ field, value, onChange, disabled, requiredTags }:
 
   return (
     <div
-      className={`w-full px-3 py-2 rounded-lg border-hairline border-(--border-muted)                  bg-(--bg-soft) text-sm
+      className={`w-full px-3 py-2 rounded-lg border border-(--border-muted)                  bg-(--bg-soft) text-sm
                   focus-within:outline-hidden focus-within:ring-2 focus-within:ring-sky-500/50 focus-within:border-sky-500
                   transition-colors
                   ${isDisabled ? 'opacity-60 cursor-not-allowed' : 'cursor-text'}`}
@@ -96,7 +96,7 @@ export const TagListField = ({ field, value, onChange, disabled, requiredTags }:
           <span
             key={`${tag}-${idx}`}
             className="inline-flex items-center gap-1 px-2.5 py-1 rounded-md
-                       border-hairline border-(--border-muted) bg-(--bg)
+                       border border-(--border-muted) bg-(--bg)
                        max-w-full"
             title={tag}
           >

src/frontend/src/components/settings/fields/TextField.tsx

@@ -19,7 +19,7 @@ export const TextField = ({ field, value, onChange, disabled }: TextFieldProps)
       placeholder={field.placeholder}
       maxLength={field.maxLength}
       disabled={isDisabled}
-      className="w-full px-3 py-2 rounded-lg border-hairline border-(--border-muted)                 bg-(--bg-soft) text-sm
+      className="w-full px-3 py-2 rounded-lg border border-(--border-muted)                 bg-(--bg-soft) text-sm
                  focus:outline-hidden focus:ring-2 focus:ring-sky-500/50 focus:border-sky-500
                  disabled:opacity-60 disabled:cursor-not-allowed
                  transition-colors"

src/frontend/src/components/settings/shared/FieldWrapper.tsx

@@ -78,7 +78,7 @@ interface FieldWrapperProps {
 const DisabledBadge = ({ reason }: { reason?: string }) => (
   <span
     className="inline-flex items-center gap-1 px-1.5 py-0.5 text-xs rounded
-               bg-zinc-500/20 text-zinc-400 border-hairline border-zinc-500/30"
+               bg-zinc-500/20 text-zinc-400 border border-zinc-500/30"
     title={reason || 'This setting is not available'}
   >
     <svg
@@ -103,7 +103,7 @@ const DisabledBadge = ({ reason }: { reason?: string }) => (
 const RestartRequiredBadge = () => (
   <span
     className="inline-flex items-center gap-1 px-1.5 py-0.5 text-xs rounded
-               bg-amber-500/20 text-amber-600 dark:text-amber-400 border-hairline border-amber-500/30"
+               bg-amber-500/20 text-amber-600 dark:text-amber-400 border border-amber-500/30"
     title="Changing this setting requires a container restart to take effect"
   >
     <svg
@@ -162,7 +162,7 @@ const UserOverriddenBadge = ({
     <Tooltip content={content} position="top">
       <span
         className="inline-flex items-center gap-1 px-1.5 py-0.5 text-xs rounded
-                   bg-sky-500/15 text-sky-500 dark:text-sky-400 border-hairline border-sky-500/30"
+                   bg-sky-500/15 text-sky-500 dark:text-sky-400 border border-sky-500/30"
       >
         User overridden{count > 1 ? ` (${count})` : ''}
       </span>

src/frontend/src/components/settings/shared/SettingsSaveBar.tsx

@@ -5,7 +5,7 @@ interface SettingsSaveBarProps {
 
 export const SettingsSaveBar = ({ onSave, isSaving }: SettingsSaveBarProps) => (
   <div
-    className="shrink-0 px-6 py-4 border-t-hairline border-(--border-muted) bg-(--bg) animate-slide-up"
+    className="shrink-0 px-6 py-4 border-t border-(--border-muted) bg-(--bg) animate-slide-up"
     style={{ paddingBottom: 'calc(1rem + env(safe-area-inset-bottom))' }}
   >
     <button

src/frontend/src/components/settings/users/RequestPolicyGrid.tsx

@@ -142,16 +142,16 @@ export const RequestPolicyGrid = ({
             type="button"
             onClick={onClearOverrides}
             disabled={clearOverridesDisabled}
-            className="px-3 py-1.5 rounded-lg text-xs font-medium border-hairline border-(--border-muted) bg-(--bg) hover:bg-(--hover-surface) transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
+            className="px-3 py-1.5 rounded-lg text-xs font-medium border border-(--border-muted) bg-(--bg) hover:bg-(--hover-surface) transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
           >
             Clear all overrides
           </button>
         </div>
       )}
 
-      <div className="rounded-lg border-hairline border-(--border-muted)">
+      <div className="rounded-lg border border-(--border-muted)">
         {/* Header */}
-        <div className="hidden sm:grid sm:grid-cols-[minmax(0,1.3fr)_minmax(0,1fr)_minmax(0,1fr)] gap-3 px-3 py-2 bg-(--bg-soft) text-xs font-medium opacity-60 border-b-hairline border-(--border-muted) rounded-t-lg">
+        <div className="hidden sm:grid sm:grid-cols-[minmax(0,1.3fr)_minmax(0,1fr)_minmax(0,1fr)] gap-3 px-3 py-2 bg-(--bg-soft) text-xs font-medium opacity-60 border-b border-(--border-muted) rounded-t-lg">
           <span>Source</span>
           <span>Ebook</span>
           <span>Audiobook</span>
@@ -178,7 +178,7 @@ export const RequestPolicyGrid = ({
               <div key={contentType} className="flex items-center gap-1.5">
                 {mobileLabel}
                 {isDisabled ? (
-                  <div className="w-full px-3 py-2 rounded-lg border-hairline border-(--border-muted) bg-(--bg) text-sm opacity-60 cursor-not-allowed">
+                  <div className="w-full px-3 py-2 rounded-lg border border-(--border-muted) bg-(--bg) text-sm opacity-60 cursor-not-allowed">
                     {REQUEST_POLICY_MODE_LABELS[mode]}
                   </div>
                 ) : (
@@ -221,7 +221,7 @@ export const RequestPolicyGrid = ({
             <div
               key={sourceRow.source}
               className={`grid grid-cols-1 sm:grid-cols-[minmax(0,1.3fr)_minmax(0,1fr)_minmax(0,1fr)] gap-3 px-3 py-2.5 items-center ${
-                index > 0 ? 'border-t-hairline border-(--border-muted)' : ''
+                index > 0 ? 'border-t border-(--border-muted)' : ''
               }`}
             >
               <div className="min-w-0">
@@ -295,7 +295,7 @@ export const RequestPolicyGrid = ({
                       }`}
                     >
                       {rulesDisabled ? (
-                        <div className="w-full px-3 py-2 rounded-lg border-hairline border-(--border-muted) bg-(--bg-soft) text-sm opacity-60 cursor-not-allowed">
+                        <div className="w-full px-3 py-2 rounded-lg border border-(--border-muted) bg-(--bg-soft) text-sm opacity-60 cursor-not-allowed">
                           {REQUEST_POLICY_MODE_LABELS[effectiveMode]}
                         </div>
                       ) : (

src/frontend/src/components/settings/users/UserCard.tsx

@@ -9,7 +9,7 @@ import { FieldWrapper } from '../shared';
 import { CreateUserFormState } from './types';
 
 const UserCardShell = ({ title, children }: { title: string; children: ReactNode }) => (
-  <div className="space-y-5 p-4 rounded-lg border-hairline border-(--border-muted) shadow-sm bg-(--bg)">
+  <div className="space-y-5 p-4 rounded-lg border border-(--border-muted) bg-(--bg)">
     <h3 className="text-sm font-medium">{title}</h3>
     {children}
   </div>
@@ -251,7 +251,7 @@ export const UserEditActions = ({
           type="button"
           onClick={onCancel}
           disabled={cancelDisabled}
-          className="px-4 py-2 rounded-lg text-sm font-medium bg-(--bg-soft) border-hairline border-(--border-muted) shadow-sm hover-action transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
+          className="px-4 py-2 rounded-lg text-sm font-medium bg-(--bg-soft) border border-(--border-muted) shadow-sm hover-action transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
         >
           Cancel
         </button>
@@ -278,7 +278,7 @@ export const UserEditActions = ({
   }
 
   return (
-    <div className="flex flex-col gap-2 pt-3 border-t-hairline border-(--border-muted) sm:flex-row sm:items-center">
+    <div className="flex flex-col gap-2 pt-3 border-t border-(--border-muted) sm:flex-row sm:items-center">
       <div className="flex flex-wrap gap-2">
         <button
           onClick={onSave}
@@ -290,7 +290,7 @@ export const UserEditActions = ({
         <button
           onClick={onCancel}
           disabled={cancelDisabled}
-          className="px-4 py-2 rounded-lg text-sm font-medium border-hairline border-(--border-muted)                     bg-(--bg) hover:bg-(--hover-surface) transition-colors disabled:opacity-60 disabled:cursor-not-allowed"
+          className="px-4 py-2 rounded-lg text-sm font-medium border border-(--border-muted)                     bg-(--bg) hover:bg-(--hover-surface) transition-colors disabled:opacity-60 disabled:cursor-not-allowed"
         >
           Cancel
         </button>
@@ -309,7 +309,7 @@ export const UserEditActions = ({
               <button
                 onClick={onCancelDelete}
                 disabled={deleting}
-                className="px-4 py-2 rounded-lg text-sm font-medium border-hairline border-(--border-muted)
+                className="px-4 py-2 rounded-lg text-sm font-medium border border-(--border-muted)
                            bg-(--bg) hover:bg-(--hover-surface) transition-colors disabled:opacity-60 disabled:cursor-not-allowed"
               >
                 Cancel
@@ -319,7 +319,7 @@ export const UserEditActions = ({
             <button
               onClick={onDelete}
               className="px-4 py-2 rounded-lg text-sm font-medium transition-colors
-                         border-hairline border-red-500/40 text-red-600 hover:bg-red-500/10"
+                         border border-red-500/40 text-red-600 hover:bg-red-500/10"
             >
               Delete User
             </button>
@@ -400,7 +400,7 @@ export const UserCreateCard = ({
         </button>
         <button
           onClick={onCancel}
-          className="px-4 py-2 rounded-lg text-sm font-medium border-hairline border-(--border-muted)                     bg-(--bg) hover:bg-(--hover-surface) transition-colors"
+          className="px-4 py-2 rounded-lg text-sm font-medium border border-(--border-muted)                     bg-(--bg) hover:bg-(--hover-surface) transition-colors"
         >
           Cancel
         </button>
@@ -572,7 +572,7 @@ export const UserAccountCardContent = ({
       {preferencesContent && preferencesPlacement === 'before' && (
         <>
           {preferencesContent}
-          <div className="border-t-hairline border-(--border-muted)" />
+          <div className="border-t border-(--border-muted)" />
         </>
       )}
 
@@ -596,7 +596,7 @@ export const UserAccountCardContent = ({
 
       {preferencesContent && preferencesPlacement === 'after' && (
         <>
-          <div className="border-t-hairline border-(--border-muted)" />
+          <div className="border-t border-(--border-muted)" />
           {preferencesContent}
         </>
       )}

src/frontend/src/components/settings/users/UserListView.tsx

@@ -96,7 +96,7 @@ export const UserListView = ({
           <p className="text-sm opacity-60">{loadError}</p>
           <button
             onClick={onRetryLoadUsers}
-            className="px-4 py-2 rounded-lg text-sm font-medium border-hairline border-(--border-muted)                       bg-(--bg-soft) hover:bg-(--hover-surface) transition-colors"
+            className="px-4 py-2 rounded-lg text-sm font-medium border border-(--border-muted)                       bg-(--bg-soft) hover:bg-(--hover-surface) transition-colors"
           >
             Retry
           </button>
@@ -117,7 +117,7 @@ export const UserListView = ({
             return (
               <div
                 key={user.id}
-                className={`rounded-lg border-hairline border-(--border-muted) shadow-sm bg-(--bg-soft) transition-colors ${active ? '' : 'opacity-60'}`}
+                className={`rounded-lg border border-(--border-muted) bg-(--bg-soft) transition-colors ${active ? '' : 'opacity-60'}`}
               >
                 <div
                   role="button"
@@ -143,7 +143,7 @@ export const UserListView = ({
                       }
                     }
                   }}
-                  className={`flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between p-3 cursor-pointer hover-surface rounded-t-lg ${isEditingRow ? 'border-b-hairline border-(--border-muted)' : 'rounded-b-lg'}`}
+                  className={`flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between p-3 cursor-pointer hover-surface rounded-t-lg ${isEditingRow ? 'border-b border-(--border-muted)' : 'rounded-b-lg'}`}
                   aria-expanded={isEditingRow}
                   aria-label={isEditingRow ? 'Collapse user editor' : `Expand ${user.username} editor`}
                 >

src/frontend/src/components/settings/users/UserOverridesSection.tsx

@@ -1,10 +1,11 @@
 import { DeliveryPreferencesResponse } from '../../../services/api';
 import {
   HeadingFieldConfig,
+  MultiSelectFieldConfig,
   SelectFieldConfig,
   TextFieldConfig,
 } from '../../../types/settings';
-import { HeadingField, SelectField, TextField } from '../fields';
+import { HeadingField, MultiSelectField, SelectField, TextField } from '../fields';
 import { FieldWrapper } from '../shared';
 import { getFieldByKey } from './fieldHelpers';
 import { PerUserSettings } from './types';
@@ -76,6 +77,19 @@ const fallbackEmailRecipientField: TextFieldConfig = {
   placeholder: 'reader@example.com',
 };
 
+const fallbackBrowserDownloadField: MultiSelectFieldConfig = {
+  type: 'MultiSelectField',
+  key: 'DOWNLOAD_TO_BROWSER_CONTENT_TYPES',
+  label: 'Download to Browser',
+  description: 'Automatically download completed files to this browser for the selected content types.',
+  value: [],
+  variant: 'dropdown',
+  options: [
+    { value: 'book', label: 'Books' },
+    { value: 'audiobook', label: 'Audiobooks' },
+  ],
+};
+
 type DeliverySettingKey = keyof PerUserSettings;
 
 function normalizeMode(value: unknown): 'folder' | 'booklore' | 'email' {
@@ -138,11 +152,26 @@ export const UserOverridesSection = ({
   const bookloreLibraryField = getFieldByKey<SelectFieldConfig>(fields, 'BOOKLORE_LIBRARY_ID', fallbackBookloreLibraryField);
   const booklorePathField = getFieldByKey<SelectFieldConfig>(fields, 'BOOKLORE_PATH_ID', fallbackBooklorePathField);
   const emailRecipientFieldSource = getFieldByKey<TextFieldConfig>(fields, 'EMAIL_RECIPIENT', fallbackEmailRecipientField);
+  const browserDownloadField = getFieldByKey<MultiSelectFieldConfig>(
+    fields,
+    'DOWNLOAD_TO_BROWSER_CONTENT_TYPES',
+    fallbackBrowserDownloadField,
+  );
   const emailRecipientField: TextFieldConfig = {
     ...emailRecipientFieldSource,
     label: 'Email Recipient',
     description: 'Email address used for this user in Email output mode.',
   };
+  const browserDownloadGlobalValue = Array.isArray(globalValues.DOWNLOAD_TO_BROWSER_CONTENT_TYPES)
+    ? globalValues.DOWNLOAD_TO_BROWSER_CONTENT_TYPES
+        .map((entry) => String(entry).trim())
+        .filter((entry) => entry.length > 0)
+    : [];
+  const browserDownloadUserValue = Array.isArray(userSettings.DOWNLOAD_TO_BROWSER_CONTENT_TYPES)
+    ? userSettings.DOWNLOAD_TO_BROWSER_CONTENT_TYPES
+        .map((entry) => String(entry).trim())
+        .filter((entry) => entry.length > 0)
+    : [];
 
   const isOverridden = (key: DeliverySettingKey): boolean => {
     if (
@@ -158,6 +187,12 @@ export const UserOverridesSection = ({
     return userValue !== globalValue;
   };
 
+  const isBrowserDownloadOverridden = (
+    Object.prototype.hasOwnProperty.call(userSettings, 'DOWNLOAD_TO_BROWSER_CONTENT_TYPES')
+    && userSettings.DOWNLOAD_TO_BROWSER_CONTENT_TYPES !== null
+    && JSON.stringify(browserDownloadUserValue) !== JSON.stringify(browserDownloadGlobalValue)
+  );
+
   const resetKeys = (keys: DeliverySettingKey[]) => {
     setUserSettings((prev) => {
       const next = { ...prev };
@@ -181,6 +216,9 @@ export const UserOverridesSection = ({
   const outputModeValue = readValue('BOOKS_OUTPUT_MODE', 'folder');
   const effectiveOutputMode = normalizeMode(outputModeValue);
 
+  const browserDownloadContentTypes = isBrowserDownloadOverridden
+    ? browserDownloadUserValue
+    : browserDownloadGlobalValue;
   const destinationValue = readValue('DESTINATION');
   const destinationAudiobookValue = readValue('DESTINATION_AUDIOBOOK');
   const libraryValue = readValue('BOOKLORE_LIBRARY_ID');
@@ -194,6 +232,7 @@ export const UserOverridesSection = ({
   const hasAudiobookDeliveryOverride = availableAudiobookPreferenceKeys.some((key) => isOverridden(key));
 
   const canOverrideOutputMode = isUserOverridable('BOOKS_OUTPUT_MODE');
+  const canOverrideBrowserDownload = isUserOverridable('DOWNLOAD_TO_BROWSER_CONTENT_TYPES');
   const canOverrideDestination = isUserOverridable('DESTINATION');
   const canOverrideAudiobookDestination = isUserOverridable('DESTINATION_AUDIOBOOK');
   const canOverrideBookloreLibrary = isUserOverridable('BOOKLORE_LIBRARY_ID');
@@ -207,6 +246,31 @@ export const UserOverridesSection = ({
   return (
     <div className="space-y-4">
       <HeadingField field={deliveryHeading} />
+
+      {canOverrideBrowserDownload && (
+        <FieldWrapper
+          field={browserDownloadField}
+          resetAction={
+            isBrowserDownloadOverridden
+              ? {
+                  disabled: Boolean(browserDownloadField.fromEnv),
+                  onClick: () => resetKeys(['DOWNLOAD_TO_BROWSER_CONTENT_TYPES']),
+                }
+              : undefined
+          }
+        >
+          <MultiSelectField
+            field={browserDownloadField}
+            value={browserDownloadContentTypes}
+            onChange={(value) => setUserSettings((prev) => ({
+              ...prev,
+              DOWNLOAD_TO_BROWSER_CONTENT_TYPES: value,
+            }))}
+            disabled={Boolean(browserDownloadField.fromEnv)}
+          />
+        </FieldWrapper>
+      )}
+
       <HeadingField field={booksHeading} />
 
       {canOverrideOutputMode && (

src/frontend/src/components/settings/users/UserOverridesSections.tsx

@@ -199,7 +199,7 @@ export const UserOverridesSections = ({
     <div className="space-y-5">
       {sectionNodes.map(({ id, node }, index) => (
         <Fragment key={id}>
-          {index > 0 && <div className="border-t-hairline border-(--border-muted)" />}
+          {index > 0 && <div className="border-t border-(--border-muted)" />}
           {node}
         </Fragment>
       ))}

src/frontend/src/components/settings/users/UserOverridesView.tsx

@@ -38,7 +38,7 @@ export const UserOverridesView = ({
       <div>
         <button
           onClick={onBack}
-          className="inline-flex items-center gap-2 px-4 py-2 rounded-lg text-sm font-medium border-hairline border-(--border-muted)                     bg-(--bg) hover:bg-(--hover-surface) transition-colors"
+          className="inline-flex items-center gap-2 px-4 py-2 rounded-lg text-sm font-medium border border-(--border-muted)                     bg-(--bg) hover:bg-(--hover-surface) transition-colors"
         >
           <svg
             className="w-4 h-4"

src/frontend/src/components/settings/users/UserSearchPreferencesSection.tsx

@@ -16,7 +16,8 @@ type SearchSettingKey =
   | 'SEARCH_MODE'
   | 'METADATA_PROVIDER'
   | 'METADATA_PROVIDER_AUDIOBOOK'
-  | 'DEFAULT_RELEASE_SOURCE';
+  | 'DEFAULT_RELEASE_SOURCE'
+  | 'DEFAULT_RELEASE_SOURCE_AUDIOBOOK';
 
 const fallbackSearchModeField: SelectFieldConfig = {
   type: 'SelectField',
@@ -51,12 +52,22 @@ const fallbackAudiobookMetadataProviderField: SelectFieldConfig = {
 const fallbackDefaultReleaseSourceField: SelectFieldConfig = {
   type: 'SelectField',
   key: 'DEFAULT_RELEASE_SOURCE',
-  label: 'Default Release Source',
-  description: 'The release source tab to open by default in the release modal.',
+  label: 'Default Book Release Source',
+  description: 'The release source tab to open by default in the release modal for books.',
   value: 'direct_download',
   options: [],
 };
 
+const fallbackDefaultAudiobookReleaseSourceField: SelectFieldConfig = {
+  type: 'SelectField',
+  key: 'DEFAULT_RELEASE_SOURCE_AUDIOBOOK',
+  label: 'Default Audiobook Release Source',
+  description:
+    'The release source tab to open by default in the release modal for audiobooks. Uses the book release source if not set.',
+  value: '',
+  options: [{ value: '', label: 'Use book release source' }],
+};
+
 const searchHeading: HeadingFieldConfig = {
   type: 'HeadingField',
   key: 'search_preferences_heading',
@@ -110,6 +121,11 @@ export const UserSearchPreferencesSection = ({
     'DEFAULT_RELEASE_SOURCE',
     fallbackDefaultReleaseSourceField
   );
+  const defaultAudiobookReleaseSourceField = getFieldByKey<SelectFieldConfig>(
+    fields,
+    'DEFAULT_RELEASE_SOURCE_AUDIOBOOK',
+    fallbackDefaultAudiobookReleaseSourceField
+  );
 
   const isOverridden = (key: SearchSettingKey): boolean => {
     if (
@@ -148,6 +164,7 @@ export const UserSearchPreferencesSection = ({
   const metadataProviderValue = readValue('METADATA_PROVIDER');
   const metadataProviderAudiobookValue = readValue('METADATA_PROVIDER_AUDIOBOOK');
   const defaultReleaseSourceValue = readValue('DEFAULT_RELEASE_SOURCE', 'direct_download');
+  const defaultAudiobookReleaseSourceValue = readValue('DEFAULT_RELEASE_SOURCE_AUDIOBOOK');
 
   const canOverrideSearchMode = isUserOverridable('SEARCH_MODE') && preferenceKeySet.has('SEARCH_MODE');
   const canOverrideMetadataProvider = isUserOverridable('METADATA_PROVIDER')
@@ -156,12 +173,15 @@ export const UserSearchPreferencesSection = ({
     && preferenceKeySet.has('METADATA_PROVIDER_AUDIOBOOK');
   const canOverrideDefaultReleaseSource = isUserOverridable('DEFAULT_RELEASE_SOURCE')
     && preferenceKeySet.has('DEFAULT_RELEASE_SOURCE');
+  const canOverrideDefaultAudiobookReleaseSource = isUserOverridable('DEFAULT_RELEASE_SOURCE_AUDIOBOOK')
+    && preferenceKeySet.has('DEFAULT_RELEASE_SOURCE_AUDIOBOOK');
 
   if (
     !canOverrideSearchMode
     && !canOverrideMetadataProvider
     && !canOverrideAudiobookMetadataProvider
     && !canOverrideDefaultReleaseSource
+    && !canOverrideDefaultAudiobookReleaseSource
   ) {
     return null;
   }
@@ -253,6 +273,30 @@ export const UserSearchPreferencesSection = ({
           />
         </FieldWrapper>
       )}
+
+      {effectiveSearchMode === 'universal' && canOverrideDefaultAudiobookReleaseSource && (
+        <FieldWrapper
+          field={defaultAudiobookReleaseSourceField}
+          resetAction={
+            isOverridden('DEFAULT_RELEASE_SOURCE_AUDIOBOOK')
+              ? {
+                  disabled: Boolean(defaultAudiobookReleaseSourceField.fromEnv),
+                  onClick: () => resetKeys(['DEFAULT_RELEASE_SOURCE_AUDIOBOOK']),
+                }
+              : undefined
+          }
+        >
+          <SelectField
+            field={defaultAudiobookReleaseSourceField}
+            value={defaultAudiobookReleaseSourceValue}
+            onChange={(value) => setUserSettings((prev) => ({
+              ...prev,
+              DEFAULT_RELEASE_SOURCE_AUDIOBOOK: value,
+            }))}
+            disabled={Boolean(defaultAudiobookReleaseSourceField.fromEnv)}
+          />
+        </FieldWrapper>
+      )}
     </div>
   );
 };

src/frontend/src/components/settings/users/types.ts

@@ -8,10 +8,12 @@ export interface PerUserSettings {
   BOOKLORE_LIBRARY_ID?: string;
   BOOKLORE_PATH_ID?: string;
   EMAIL_RECIPIENT?: string;
+  DOWNLOAD_TO_BROWSER_CONTENT_TYPES?: string[];
   SEARCH_MODE?: string;
   METADATA_PROVIDER?: string;
   METADATA_PROVIDER_AUDIOBOOK?: string;
   DEFAULT_RELEASE_SOURCE?: string;
+  DEFAULT_RELEASE_SOURCE_AUDIOBOOK?: string;
   USER_NOTIFICATION_ROUTES?: Array<Record<string, unknown>>;
   REQUESTS_ENABLED?: boolean;
   REQUEST_POLICY_DEFAULT_EBOOK?: string;

src/frontend/src/components/shared/SearchFieldRenderer.tsx

@@ -11,7 +11,7 @@ interface SearchFieldRendererProps {
 }
 
 const baseInputClass =
-  'w-full px-3 py-2 rounded-md border-hairline border-(--border-muted) ' +
+  'w-full px-3 py-2 rounded-md border border-(--border-muted) ' +
   'bg-(--bg-soft) text-sm ' +
   'focus:outline-hidden focus:ring-2 focus:ring-emerald-500/50 focus:border-emerald-500 ' +
   'transition-colors';

src/frontend/src/data/filterOptions.ts

@@ -23,6 +23,5 @@ export const CONTENT_OPTIONS = [
   { value: 'standards_document', label: 'Standards document' },
   { value: 'other', label: 'Other' },
   { value: 'musical_score', label: 'Musical score' },
-  { value: 'audiobook', label: 'Audiobook' },
 ];
 

src/frontend/src/pages/LoginPage.tsx

@@ -22,7 +22,7 @@ export const LoginPage = ({ onLogin, error, isLoading, authMode, oidcButtonLabel
     >
       <div className="w-full max-w-md">
         <div
-          className="rounded-lg shadow-2xl p-6 border-hairline"
+          className="rounded-lg shadow-2xl p-6 border"
           style={{
             backgroundColor: 'var(--card-background)',
             borderColor: 'var(--border-color)',

src/frontend/src/styles.css

@@ -28,10 +28,6 @@
   }
 }
 
-@theme inline {
-  --border-width-hairline: var(--theme-border-width-hairline);
-}
-
 @utility scrollbar-hide {
   -ms-overflow-style: none;
   scrollbar-width: none;
@@ -72,9 +68,6 @@
     :root {
         color-scheme: light;
 
-        /* Hairline border: 0.5px on retina, 1px fallback */
-        --theme-border-width-hairline: 1px;
-
         /* Light theme variables */
         --primary-color: oklch(44.3% 0.11 240.79);
         --primary-dark: oklch(39.1% 0.09 240.876);
@@ -117,14 +110,6 @@
 
     }
 
-    @media (-webkit-min-device-pixel-ratio: 2),
-           (min-resolution: 192dpi),
-           (min-resolution: 2dppx) {
-        :root {
-            --theme-border-width-hairline: 0.5px;
-        }
-    }
-
     /* Global scrollbar styling - thin, subtle, theme-aware */
     * {
         /* Firefox */
@@ -165,8 +150,6 @@
     /* Typography */
     html, body {
         min-height: 100vh;
-        /* Support for iOS notch/dynamic island - extend to full viewport */
-        min-height: 100dvh;
         margin: 0;
         padding: 0;
     }
@@ -197,14 +180,12 @@
         flex-direction: column;
         flex: 1;
         min-height: 100vh;
-        min-height: 100dvh;
         transition: background-color 0.2s ease;
         background-color: var(--background-color);
     }
 
     main {
         flex: 1;
-        min-height: 100%;
         background: var(--background-color);
         display: flex;
         flex-direction: column;
@@ -443,8 +424,8 @@
         .modal-overlay {
             padding: 0;
             align-items: stretch;
-            /* Extend background into iOS safe areas */
-            background: var(--bg-soft);
+            /* Match page background so iOS PWA safe areas stay consistent */
+            background: var(--background-color);
         }
 
         .details-container {

src/frontend/src/types/index.ts

@@ -31,6 +31,7 @@ export interface Book {
   progress?: number;
   status_message?: string;  // Detailed status message (e.g., "Trying Libgen (2/5)")
   added_time?: number;  // Timestamp when added to queue
+  content_type?: string;  // "ebook", "audiobook", or related book subtype
   source?: string;  // Release source handler (e.g., "direct_download", "prowlarr")
   source_display_name?: string;  // Human-readable source name (e.g., "Direct Download")
   // Metadata provider fields (used in universal search mode)
@@ -259,9 +260,11 @@ export interface AppConfig {
   metadata_sort_options: SortOption[];
   metadata_search_fields: MetadataSearchField[];
   default_release_source?: string;  // Default tab in ReleaseModal (e.g., 'direct_download')
+  default_release_source_audiobook?: string;  // Default tab in ReleaseModal for audiobooks
+  show_release_source_links: boolean;
   books_output_mode: BooksOutputMode;
   auto_open_downloads_sidebar: boolean;  // Auto-open sidebar when download is queued
-  download_to_browser: boolean;  // Auto-download completed files to browser
+  download_to_browser_content_types: string[];  // Auto-download completed files to browser for selected content types
   settings_enabled: boolean;  // Whether config directory is mounted and writable
   onboarding_complete: boolean;  // Whether the user has completed initial setup
   default_sort: string;  // Default sort for direct mode

tests/config/test_search_mode_settings.py

@@ -0,0 +1,18 @@
+"""Tests for search mode settings definitions."""
+
+from shelfmark.config.settings import search_mode_settings
+
+
+def test_search_mode_settings_include_release_source_links_toggle():
+    fields = {
+        field.key: field
+        for field in search_mode_settings()
+        if hasattr(field, "key")
+    }
+
+    field = fields["SHOW_RELEASE_SOURCE_LINKS"]
+
+    assert field.label == "Show Release Source Links"
+    assert field.default is True
+    assert field.user_overridable is False
+

tests/config/test_users_settings.py

@@ -369,8 +369,24 @@ def test_on_save_users_rejects_invalid_default_release_source_override(monkeypat
     monkeypatch.setattr(
         "shelfmark.release_sources.list_available_sources",
         lambda: [
-            {"name": "direct_download", "display_name": "Direct Download", "enabled": True},
-            {"name": "prowlarr", "display_name": "Prowlarr", "enabled": True},
+            {
+                "name": "direct_download",
+                "display_name": "Direct Download",
+                "enabled": True,
+                "supported_content_types": ["ebook"],
+            },
+            {
+                "name": "prowlarr",
+                "display_name": "Prowlarr",
+                "enabled": True,
+                "supported_content_types": ["ebook", "audiobook"],
+            },
+            {
+                "name": "audiobookbay",
+                "display_name": "AudiobookBay",
+                "enabled": True,
+                "supported_content_types": ["audiobook"],
+            },
         ],
     )
 
@@ -378,3 +394,55 @@ def test_on_save_users_rejects_invalid_default_release_source_override(monkeypat
 
     assert result["error"] is True
     assert "DEFAULT_RELEASE_SOURCE must be a valid release source name or empty" in result["message"]
+
+
+def test_on_save_users_rejects_audiobook_only_source_for_book_default(monkeypatch):
+    monkeypatch.setattr(
+        "shelfmark.release_sources.list_available_sources",
+        lambda: [
+            {
+                "name": "direct_download",
+                "display_name": "Direct Download",
+                "enabled": True,
+                "supported_content_types": ["ebook"],
+            },
+            {
+                "name": "audiobookbay",
+                "display_name": "AudiobookBay",
+                "enabled": True,
+                "supported_content_types": ["audiobook"],
+            },
+        ],
+    )
+
+    result = users_settings_module._on_save_users({"DEFAULT_RELEASE_SOURCE": "audiobookbay"})
+
+    assert result["error"] is True
+    assert "DEFAULT_RELEASE_SOURCE must be a valid release source name or empty" in result["message"]
+
+
+def test_on_save_users_rejects_book_only_source_for_audiobook_default(monkeypatch):
+    monkeypatch.setattr(
+        "shelfmark.release_sources.list_available_sources",
+        lambda: [
+            {
+                "name": "direct_download",
+                "display_name": "Direct Download",
+                "enabled": True,
+                "supported_content_types": ["ebook"],
+            },
+            {
+                "name": "audiobookbay",
+                "display_name": "AudiobookBay",
+                "enabled": True,
+                "supported_content_types": ["audiobook"],
+            },
+        ],
+    )
+
+    result = users_settings_module._on_save_users(
+        {"DEFAULT_RELEASE_SOURCE_AUDIOBOOK": "direct_download"}
+    )
+
+    assert result["error"] is True
+    assert "DEFAULT_RELEASE_SOURCE_AUDIOBOOK must be a valid release source name or empty" in result["message"]

tests/core/test_admin_users_api.py

@@ -1175,6 +1175,7 @@ class TestAdminSearchPreferences:
             "METADATA_PROVIDER": "openlibrary",
             "METADATA_PROVIDER_AUDIOBOOK": "",
             "DEFAULT_RELEASE_SOURCE": "direct_download",
+            "DEFAULT_RELEASE_SOURCE_AUDIOBOOK": "",
         }
         (plugins_dir / "search_mode.json").write_text(json.dumps(search_mode_config))
 
@@ -1189,6 +1190,7 @@ class TestAdminSearchPreferences:
                 "SEARCH_MODE": "universal",
                 "METADATA_PROVIDER": "openlibrary",
                 "DEFAULT_RELEASE_SOURCE": "prowlarr",
+                "DEFAULT_RELEASE_SOURCE_AUDIOBOOK": "audiobookbay",
             },
         )
 
@@ -1202,6 +1204,7 @@ class TestAdminSearchPreferences:
             "METADATA_PROVIDER",
             "METADATA_PROVIDER_AUDIOBOOK",
             "DEFAULT_RELEASE_SOURCE",
+            "DEFAULT_RELEASE_SOURCE_AUDIOBOOK",
         ]
 
         field_keys = [field["key"] for field in data["fields"]]
@@ -1210,6 +1213,7 @@ class TestAdminSearchPreferences:
         assert data["userOverrides"]["SEARCH_MODE"] == "universal"
         assert data["userOverrides"]["METADATA_PROVIDER"] == "openlibrary"
         assert data["userOverrides"]["DEFAULT_RELEASE_SOURCE"] == "prowlarr"
+        assert data["userOverrides"]["DEFAULT_RELEASE_SOURCE_AUDIOBOOK"] == "audiobookbay"
 
         assert data["effective"]["SEARCH_MODE"]["source"] == "user_override"
         assert data["effective"]["SEARCH_MODE"]["value"] == "universal"
@@ -1217,6 +1221,8 @@ class TestAdminSearchPreferences:
         assert data["effective"]["METADATA_PROVIDER_AUDIOBOOK"]["source"] in {"global_config", "default"}
         assert data["effective"]["DEFAULT_RELEASE_SOURCE"]["source"] == "user_override"
         assert data["effective"]["DEFAULT_RELEASE_SOURCE"]["value"] == "prowlarr"
+        assert data["effective"]["DEFAULT_RELEASE_SOURCE_AUDIOBOOK"]["source"] == "user_override"
+        assert data["effective"]["DEFAULT_RELEASE_SOURCE_AUDIOBOOK"]["value"] == "audiobookbay"
 
     def test_returns_404_for_unknown_user(self, admin_client):
         resp = admin_client.get("/api/admin/users/9999/search-preferences")

tests/core/test_config_api.py

@@ -0,0 +1,56 @@
+"""API tests for the frontend config endpoint."""
+
+from __future__ import annotations
+
+import importlib
+import uuid
+from unittest.mock import patch
+
+import pytest
+
+
+@pytest.fixture(scope="module")
+def main_module():
+    """Import `shelfmark.main` with background startup disabled."""
+    with patch("shelfmark.download.orchestrator.start"):
+        import shelfmark.main as main
+
+        importlib.reload(main)
+        return main
+
+
+@pytest.fixture
+def client(main_module):
+    return main_module.app.test_client()
+
+
+def _set_session(client, *, user_id: str, db_user_id: int, is_admin: bool) -> None:
+    with client.session_transaction() as sess:
+        sess["user_id"] = user_id
+        sess["db_user_id"] = db_user_id
+        sess["is_admin"] = is_admin
+
+
+def _create_user(main_module, *, prefix: str, role: str = "user") -> dict:
+    username = f"{prefix}-{uuid.uuid4().hex[:8]}"
+    return main_module.user_db.create_user(username=username, role=role)
+
+
+def test_config_includes_release_source_links_toggle(main_module, client):
+    user = _create_user(main_module, prefix="reader")
+    _set_session(client, user_id=user["username"], db_user_id=user["id"], is_admin=False)
+
+    def fake_get(key, default=None, user_id=None):  # noqa: ANN001
+        if key == "SHOW_RELEASE_SOURCE_LINKS":
+            return False
+        return default
+
+    with patch.object(main_module, "get_auth_mode", return_value="builtin"):
+        with patch.object(main_module.app_config, "get", side_effect=fake_get):
+            with patch("shelfmark.metadata_providers.get_provider_sort_options", return_value=[]):
+                with patch("shelfmark.metadata_providers.get_provider_search_fields", return_value=[]):
+                    with patch("shelfmark.metadata_providers.get_provider_default_sort", return_value="relevance"):
+                        resp = client.get("/api/config")
+
+    assert resp.status_code == 200
+    assert resp.json["show_release_source_links"] is False

tests/core/test_download_processing.py

@@ -224,6 +224,33 @@ class TestAtomicCopy:
         assert result.exists()
         assert result.read_text() == "content"
 
+    def test_copy_tolerates_post_publish_estale(self, tmp_path, monkeypatch):
+        """Treat ESTALE on the final destination as a successful NFS publish."""
+        import errno
+
+        from shelfmark.download import fs
+
+        source = tmp_path / "source.txt"
+        source.write_text("content")
+        dest = tmp_path / "dest.txt"
+
+        original_verify = fs._verify_transfer_size
+
+        def _verify(path, expected_size, action):
+            if path == dest:
+                raise OSError(getattr(errno, "ESTALE", 116), "Stale file handle", str(path))
+            return original_verify(path, expected_size, action)
+
+        monkeypatch.setattr(fs, "_verify_transfer_size", _verify)
+        monkeypatch.setattr(fs.time, "sleep", lambda *_args, **_kwargs: None)
+
+        result = fs.atomic_copy(source, dest)
+
+        assert result == dest
+        assert dest.exists()
+        assert dest.read_text() == "content"
+        assert source.exists()
+
     def test_publish_does_not_depend_on_hardlinks(self, tmp_path, monkeypatch):
         """Temp-file publish succeeds even when hardlinks are unavailable."""
 

tests/prowlarr/test_qbittorrent_client.py

@@ -280,6 +280,42 @@ class TestQBittorrentClientGetStatus:
             assert status.complete is True
             assert status.file_path == "/downloads/shelfmark/Ground State - Craig Alanson/Ground State - Craig Alanson.epub"
 
+    def test_get_status_paused_up_complete(self, monkeypatch):
+        """qBittorrent-compatible clients may report completed items as pausedUP."""
+        config_values = {
+            "QBITTORRENT_URL": "http://localhost:8080",
+            "QBITTORRENT_USERNAME": "admin",
+            "QBITTORRENT_PASSWORD": "password",
+            "QBITTORRENT_CATEGORY": "test",
+        }
+        monkeypatch.setattr(
+            "shelfmark.download.clients.qbittorrent.config.get",
+            lambda key, default="": config_values.get(key, default),
+        )
+
+        mock_torrent = MockTorrent(
+            hash_val="abc123",
+            progress=1.0,
+            state="pausedUP",
+            content_path="/downloads/completed.epub",
+        )
+        mock_client_instance = MagicMock()
+        info_payload = mock_torrent.to_dict() | {"save_path": "/downloads"}
+        mock_client_instance._session.get.return_value = create_mock_session_response([info_payload], status_code=200)
+        mock_client_class = MagicMock(return_value=mock_client_instance)
+
+        with patch.dict('sys.modules', {'qbittorrentapi': MagicMock(Client=mock_client_class)}):
+            import importlib
+            import shelfmark.download.clients.qbittorrent as qb_module
+            importlib.reload(qb_module)
+
+            client = qb_module.QBittorrentClient()
+            status = client.get_status("abc123")
+
+            assert status.complete is True
+            assert status.state_value == "complete"
+            assert status.file_path == "/downloads/completed.epub"
+
     def test_get_status_complete_derives_when_content_path_equals_save_path(self, monkeypatch):
         """Keep get_status() and get_download_path() consistent."""
         config_values = {
@@ -586,6 +622,98 @@ class TestQBittorrentClientAddDownload:
 
             mock_client_instance.torrents_create_category.assert_called_once_with(name="books")
 
+    def test_add_download_accepts_empty_success_response(self, monkeypatch):
+        """qBittorrent-compatible shims may return HTTP 200 with an empty body."""
+        config_values = {
+            "QBITTORRENT_URL": "http://localhost:8080",
+            "QBITTORRENT_USERNAME": "admin",
+            "QBITTORRENT_PASSWORD": "password",
+            "QBITTORRENT_CATEGORY": "books",
+        }
+        monkeypatch.setattr(
+            "shelfmark.download.clients.qbittorrent.config.get",
+            lambda key, default="": config_values.get(key, default),
+        )
+
+        valid_hash = "a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2"
+        mock_client_instance = MagicMock()
+        mock_client_instance.torrents_add.return_value = ""
+        mock_client_instance._session.get.return_value = create_mock_session_response({}, status_code=200)
+        mock_client_class = MagicMock(return_value=mock_client_instance)
+
+        with patch.dict('sys.modules', {'qbittorrentapi': MagicMock(Client=mock_client_class)}):
+            import importlib
+            import shelfmark.download.clients.qbittorrent as qb_module
+            importlib.reload(qb_module)
+
+            client = qb_module.QBittorrentClient()
+            magnet = f"magnet:?xt=urn:btih:{valid_hash}&dn=test"
+            result = client.add_download(magnet, "Test")
+
+            assert result == valid_hash
+            assert mock_client_instance._session.get.call_count >= 1
+
+    def test_add_download_explicit_failure_response_raises(self, monkeypatch):
+        """Explicit failure responses should still fail fast."""
+        config_values = {
+            "QBITTORRENT_URL": "http://localhost:8080",
+            "QBITTORRENT_USERNAME": "admin",
+            "QBITTORRENT_PASSWORD": "password",
+            "QBITTORRENT_CATEGORY": "books",
+        }
+        monkeypatch.setattr(
+            "shelfmark.download.clients.qbittorrent.config.get",
+            lambda key, default="": config_values.get(key, default),
+        )
+
+        valid_hash = "a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2"
+        mock_client_instance = MagicMock()
+        mock_client_instance.torrents_add.return_value = "Fails."
+        mock_client_class = MagicMock(return_value=mock_client_instance)
+
+        with patch.dict('sys.modules', {'qbittorrentapi': MagicMock(Client=mock_client_class)}):
+            import importlib
+            import shelfmark.download.clients.qbittorrent as qb_module
+            importlib.reload(qb_module)
+
+            client = qb_module.QBittorrentClient()
+            magnet = f"magnet:?xt=urn:btih:{valid_hash}&dn=test"
+
+            with pytest.raises(Exception, match="Failed to add torrent: Fails\\."):
+                client.add_download(magnet, "Test")
+
+    def test_add_download_omits_empty_category(self, monkeypatch):
+        """Avoid sending empty category values to qBittorrent-compatible clients."""
+        config_values = {
+            "QBITTORRENT_URL": "http://localhost:8080",
+            "QBITTORRENT_USERNAME": "admin",
+            "QBITTORRENT_PASSWORD": "password",
+            "QBITTORRENT_CATEGORY": "",
+        }
+        monkeypatch.setattr(
+            "shelfmark.download.clients.qbittorrent.config.get",
+            lambda key, default="": config_values.get(key, default),
+        )
+
+        valid_hash = "a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2"
+        mock_client_instance = MagicMock()
+        mock_client_instance.torrents_add.return_value = "Ok."
+        mock_client_instance._session.get.return_value = create_mock_session_response({}, status_code=200)
+        mock_client_class = MagicMock(return_value=mock_client_instance)
+
+        with patch.dict('sys.modules', {'qbittorrentapi': MagicMock(Client=mock_client_class)}):
+            import importlib
+            import shelfmark.download.clients.qbittorrent as qb_module
+            importlib.reload(qb_module)
+
+            client = qb_module.QBittorrentClient()
+            magnet = f"magnet:?xt=urn:btih:{valid_hash}&dn=test"
+            client.add_download(magnet, "Test")
+
+            mock_client_instance.torrents_create_category.assert_not_called()
+            call_kwargs = mock_client_instance.torrents_add.call_args.kwargs
+            assert "category" not in call_kwargs
+
     def test_add_download_uses_configured_download_dir(self, monkeypatch):
         """Test that add_download passes configured download directory."""
         config_values = {