feat: release parser, media type detection, ffprobe integration

Replace the old domain/media release parser with a full rewrite under
domain/release/:
- ParsedRelease with media_type ("movie" | "tv_show" | "tv_complete" |
  "documentary" | "concert" | "other" | "unknown"), site_tag, parse_path,
  languages, audio_codec, audio_channels, bit_depth, hdr_format, edition
- Well-formedness check + sanitize pipeline (_is_well_formed, _sanitize,
  _strip_site_tag) before token-level parsing
- Multi-token sequence matching for audio (DTS-HD.MA, TrueHD.Atmos…),
  HDR (DV.HDR10…) and editions (DIRECTORS.CUT…)
- Knowledge YAML: file_extensions, release_format, languages, audio,
  video, editions, sites/c411

New infrastructure:
- ffprobe.py — single-pass probe returning MediaInfo (video, audio
  tracks, subtitle tracks)
- find_video.py — locate first video file in a release folder

New application helpers:
- detect_media_type — filesystem-based type refinement
- enrich_from_probe — fill missing ParsedRelease fields from MediaInfo

New agent tools:
- analyze_release — parse + detect type + ffprobe in one call
- probe_media — standalone ffprobe for a specific file

New domain value object:
- MediaInfo + AudioTrack + SubtitleTrack (domain/shared/media_info.py)

Testing CLIs:
- recognize_folders_in_downloads.py — full pipeline with colored output
- probe_video.py — display MediaInfo for a video file

alfred/application/filesystem/enrich_from_probe.py

@@ -0,0 +1,76 @@
+"""enrich_from_probe — fill missing ParsedRelease fields from MediaInfo."""
+
+from __future__ import annotations
+
+from alfred.domain.release.value_objects import ParsedRelease
+from alfred.domain.shared.media_info import MediaInfo
+
+# Map ffprobe codec names to scene-style codec tokens
+_VIDEO_CODEC_MAP = {
+    "hevc": "x265",
+    "h264": "x264",
+    "h265": "x265",
+    "av1":  "AV1",
+    "vp9":  "VP9",
+    "mpeg4": "XviD",
+}
+
+# Map ffprobe audio codec names to scene-style tokens
+_AUDIO_CODEC_MAP = {
+    "eac3":    "EAC3",
+    "ac3":     "AC3",
+    "dts":     "DTS",
+    "truehd":  "TrueHD",
+    "aac":     "AAC",
+    "flac":    "FLAC",
+    "opus":    "OPUS",
+    "mp3":     "MP3",
+    "pcm_s16l": "PCM",
+    "pcm_s24l": "PCM",
+}
+
+# Map channel count to standard layout string
+_CHANNEL_MAP = {
+    8: "7.1",
+    6: "5.1",
+    2: "2.0",
+    1: "1.0",
+}
+
+
+def enrich_from_probe(parsed: ParsedRelease, info: MediaInfo) -> None:
+    """
+    Fill None fields in parsed using data from ffprobe MediaInfo.
+
+    Only overwrites fields that are currently None — token-level values
+    from the release name always take priority.
+    Mutates parsed in place.
+    """
+    if parsed.quality is None and info.resolution:
+        parsed.quality = info.resolution
+
+    if parsed.codec is None and info.video_codec:
+        parsed.codec = _VIDEO_CODEC_MAP.get(info.video_codec.lower(), info.video_codec.upper())
+
+    if parsed.bit_depth is None and info.video_codec:
+        # ffprobe exposes bit depth via pix_fmt — not in MediaInfo yet, skip for now
+        pass
+
+    # Audio — use the default track, fallback to first
+    default_track = next((t for t in info.audio_tracks if t.is_default), None)
+    track = default_track or (info.audio_tracks[0] if info.audio_tracks else None)
+
+    if track:
+        if parsed.audio_codec is None and track.codec:
+            parsed.audio_codec = _AUDIO_CODEC_MAP.get(track.codec.lower(), track.codec.upper())
+
+        if parsed.audio_channels is None and track.channels:
+            parsed.audio_channels = _CHANNEL_MAP.get(track.channels, f"{track.channels}ch")
+
+    # Languages — merge ffprobe languages with token-level ones
+    # "und" = undetermined, not useful
+    if info.audio_languages:
+        existing = set(parsed.languages)
+        for lang in info.audio_languages:
+            if lang.lower() != "und" and lang.upper() not in existing:
+                parsed.languages.append(lang)