feat(agent): migrate all remaining tools to YAML specs (21/21 covered)

Adds YAML specs for the 14 tools that were still description-from-docstring:

  filesystem:
    - set_path_for_folder, list_folder, analyze_release, probe_media,
      move_media, manage_subtitles, create_seed_links, learn
  api:
    - find_media_imdb_id, find_torrent, get_torrent_by_index,
      add_torrent_to_qbittorrent, add_torrent_by_index
  language:
    - set_language

Each spec follows the established shape (summary / description /
when_to_use / when_not_to_use / next_steps / parameters with
why_needed + example / returns) and the Python function docstring is
slimmed to a one-line pointer.

Registry now reports: 21 tools, 21 with YAML spec, 0 doc-only.

alfred/agent/tools/specs/analyze_release.yaml

@@ -0,0 +1,79 @@
+name: analyze_release
+
+summary: >
+  One-shot analyzer that parses a release name, detects its media type
+  from the folder layout, and enriches the result with ffprobe data.
+
+description: |
+  Combines three steps in a single call so the agent gets a complete
+  picture before routing:
+    1. parse_release(release_name) — extracts title, year, season,
+       episode, quality, source, codec, group, languages, audio info,
+       HDR, edition, site tag.
+    2. detect_media_type(parsed, path) — uses the on-disk layout
+       (single file vs. folder, presence of S01 dirs, episode count)
+       to choose: movie / tv_episode / tv_season / tv_complete /
+       other / unknown.
+    3. ffprobe enrichment — when the media type is recognised, runs
+       ffprobe on the first video file found and fills in audio
+       codec/channels, bit depth, HDR format. Sets probe_used=true.
+
+when_to_use: |
+  As the very first step of any organize workflow, right after
+  list_folder, on each release the user wants to handle. The output
+  drives which resolve_*_destination to call next.
+
+when_not_to_use: |
+  - When you only need codec/audio info on a specific video file:
+    use probe_media (no parsing, no media-type detection).
+  - For releases the user has already analyzed earlier in the same
+    workflow — the parse is deterministic, no need to re-run.
+
+next_steps: |
+  - media_type == movie       → resolve_movie_destination
+  - media_type == tv_season   → resolve_season_destination
+  - media_type == tv_episode  → resolve_episode_destination
+  - media_type == tv_complete → resolve_series_destination
+  - media_type in (other, unknown) → ask the user what to do; do not
+    auto-route.
+
+parameters:
+  release_name:
+    description: Raw release folder or file name as it appears on disk.
+    why_needed: |
+      Source of all the parsed tokens (quality, codec, group, ...).
+      Don't sanitise it — the parser relies on the exact spelling.
+    example: Breaking.Bad.S01.1080p.BluRay.x265-GROUP
+
+  source_path:
+    description: Absolute path to the release folder or file on disk.
+    why_needed: |
+      Required for layout-based media-type detection and for ffprobe
+      to find a video file inside the release.
+    example: /downloads/Breaking.Bad.S01.1080p.BluRay.x265-GROUP
+
+returns:
+  ok:
+    description: Release analyzed.
+    fields:
+      status: "'ok'"
+      media_type: "One of: movie, tv_episode, tv_season, tv_complete, other, unknown."
+      parse_path: "Which parser branch was taken (debug)."
+      title: Parsed title.
+      year: Parsed year (int) or null.
+      season: Season number (int) or null.
+      episode: Episode number (int) or null.
+      episode_end: Range end episode (multi-episode releases) or null.
+      quality: Resolution token (e.g. 1080p, 2160p).
+      source: Source token (BluRay, WEB-DL, ...).
+      codec: Video codec token (x264, x265, ...).
+      group: Release group name or null.
+      languages: List of detected language tokens.
+      audio_codec: Audio codec from ffprobe (when probe_used=true).
+      audio_channels: Audio channel count from ffprobe.
+      bit_depth: Bit depth from ffprobe.
+      hdr_format: HDR format from ffprobe (HDR10, DV, ...) or null.
+      edition: Edition tag (Extended, Director's Cut, ...) or null.
+      site_tag: Source-site tag if present.
+      is_season_pack: True when the folder contains a full season.
+      probe_used: True when ffprobe successfully enriched the result.