Collection Query Service — pyrite

Query DSL parser and evaluator for virtual collections. Parses inline query strings (e.g., `type:backlog_item status:proposed tags:core`) into `CollectionQuery` dataclass, validates against known fields, and evaluates against the database with configurable TTL caching (default 60s).

Key functions:

`parse_query()` — parse inline query string to CollectionQuery

`query_from_dict()` — build from collection metadata dict

`validate_query()` — return list of validation errors

`evaluate_query()` — execute query against database

`evaluate_query_cached()` — cached evaluation with SHA256 key + TTL

Collection Query Servicecomponent

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