feat(dl): add daily date-based episodes with tvdb air-date fill

--daily flag plus Service.DAILY/Title.daily, -w selection by ISO air
date or colon date range, and a pre-1970 air-date guard.

docs/dev/creating-a-service.md

@@ -99,6 +99,8 @@ Declared at class level to configure framework behaviour:
 | `VAULT_TAG` | `Optional[str]` | Overrides the key-vault namespace so sibling services can share one vault. Default `None` (use the service's own tag). |
 | `AUTH_METHODS` | `Optional[tuple[str, ...]]` | Auth methods accepted (`"cookies"` / `"credentials"`). When `None`, the REST `/services` endpoint infers them from `authenticate()`. |
 | `NO_SUBTITLES` | `bool` | Set `True` on a service with no subtitle tracks to skip subtitle handling entirely. |
+| `ANIME` | `bool` | Set `True` when the catalog is anime, so metadata lookups prefer AniList. A title's own `anime` flag overrides it. |
+| `DAILY` | `bool` | Set `True` when the catalog is daily/date-based (talk shows, news, sports), so episodes are named by air date. A title's own `daily` flag overrides it. |
 
 !!! note "`NO_SUBTITLES` is a convention, not a base-class attribute"
     `NO_SUBTITLES` is checked by `dl.py` via `hasattr` and is deliberately **not**

docs/dev/rest-api/endpoints.md

@@ -368,7 +368,7 @@ Create a download job. Requires `service` and `title_id`; every other field is a
 | `range` | string[] | `["SDR"]` | Dynamic range(s). |
 | `channels` | number | `null` | Audio channel count. |
 | `no_atmos` | boolean | `false` | Exclude Atmos tracks. |
-| `wanted` | string[] | `[]` | Episode/season selectors. Accepts the part form, `"S01E01.2"`. |
+| `wanted` | string[] | `[]` | Episode/season selectors. Accepts the part form, `"S01E01.2"`, and the air-date form, `"2026-08-11"` or `"2026-08-01:2026-08-31"`. |
 | `latest_episode` | boolean | `false` | Only the newest episode. |
 | `lang` / `v_lang` / `a_lang` / `s_lang` | string[] | `["orig"]` / `[]` / `[]` / `["all"]` | Language filters. |
 | `require_subs` | string[] | `[]` | Required subtitle languages. |
@@ -395,6 +395,7 @@ Create a download job. Requires `service` and `title_id`; every other field is a
 | `tmdb_id` / `imdb_id` / `tvdb_id` / `anilist_id` | - | `null` | External ID overrides. Each resolves its metadata directly instead of by a title search, and is used for tagging. Set `enrich` to also take the title, year and original language. Give at most one of `tmdb_id`, `imdb_id` and `tvdb_id`, since unshackle resolves the others from it. Sending two returns `400`. `anilist_id` still combines with one of them. `tmdb_id` and `tvdb_id` must be positive integers, `imdb_id` must look like `tt1375666`, and `anilist_id` must be a positive integer or a string like `mal:12345`, or the request returns `400`. An ID whose provider is unconfigured, such as `tmdb_id` with no `tmdb_api_key`, fails the job rather than returning `400`. `anilist_id` needs no key. |
 | `tvdb_order` | `official`, `dvd`, `absolute`, `alternate`, `regional` | `null` | Renumber episodes to a TVDB season order. Falls back to the `tvdb_order` config option. |
 | `enrich` | boolean | `false` | Overwrite title, year and original language with the external source's. Needs one of `tmdb_id`, `imdb_id`, `tvdb_id` or `anilist_id`. Without one the job fails instead of returning `400`. |
+| `daily` | boolean | `false` | Treat the title as daily/date-based content and fill missing episode air dates from TVDB. The fill needs `enrich` and a TVDB ID. An air date the service already set is kept. |
 | `output_dir` | string | `null` | Override output directory. |
 | `no_cache` / `reset_cache` | boolean | `false` | Title cache controls. |
 

docs/dev/service-architecture.md

@@ -64,6 +64,8 @@ Declared at the top of your service class, these are static descriptors:
 | `GEOFENCE` | `tuple[str, ...]` | ISO region codes the service requires; empty means no geofence. The first entry is treated as the "main region" for automatic proxy selection. |
 | `VAULT_TAG` | `Optional[str]` | Overrides the key-vault namespace; defaults to the service's own tag. |
 | `AUTH_METHODS` | `Optional[tuple[str, ...]]` | Accepted auth methods (`"cookies"` / `"credentials"`). When `None`, the REST `/services` endpoint infers them from `authenticate()`. |
+| `ANIME` | `bool` | The catalog is anime, so metadata lookups prefer AniList. A title's own `anime` flag overrides it. |
+| `DAILY` | `bool` | The catalog is daily/date-based, so episodes are named by air date. A title's own `daily` flag overrides it. |
 
 ### Required methods