feat(api): complete the smart list filter and source surface

[vladjerca]

The contract had drifted behind the API. Seven filter dimensions and two sources are live and callable today, but were missing from the schema, so consumers could not send them in a typed request. This closes that gap.

Filters

Added to smartListFiltersSchema:

Key	Type	Notes
genres_operator	'and' | 'or'	Applies to the include arm only
keywords	string[]	Leading - on an entry excludes it, same as the other list filters
keywords_operator	'and' | 'or'	Applies to the include arm only
letterboxd_ratings	[min] or [min, max]	0-5 scale, films only
mal_ratings	[min] or [min, max]	0-10 scale, anime
ignore_watching	boolean
ignore_unreleased	boolean
ignore_released	boolean
ignore_ended	boolean
ignore_airing	boolean
ignore_no_release_date	boolean

and requires every included value to be present, or (the default) any of them. Exclusion is always "carries none of", independent of the operator.

Sources

smartListWriteSchema.source gains watchlist and library, bringing the enum to the full set of seven. The create-route docs table is updated to match.

Compatibility

Additive and non-breaking. Every new key is optional, no existing field changes type or shape, and the operators default to or server-side when omitted, so existing payloads behave exactly as before.

Verification

deno fmt and deno lint clean. deno task openapi:validate passes. Parsed a payload carrying every new key through smartListWriteSchema: accepted, while an unknown source and an invalid operator value are still rejected.

Note that deno task test reports 5 pre-existing type errors in src/contracts/sync/HistoryRequest.test.ts, which imports a HistoryRequest type that has since been renamed to HistoryAddRequest. Identical count on master before this branch, so it is untouched by this change and left for a separate fix.