Build `decision-log` Rune

Summary

Aggregation rune that renders a chronological view of all architecture decision records. Queries the entity registry for decision entities and displays them as a sortable, filterable list with date, status, and title.

Simpler than the backlog rune — no grouping, no card layout. Just a clean chronological list.

Attributes

Name	Type	Default	Description
`filter`	String	—	Filter by status or tags (same `field:value` syntax as backlog)
`sort`	String	`date`	Sort order: `date` (reverse chronological) or `id`

Example

{% decision-log sort="date" /%}
{% decision-log filter="status:accepted" sort="date" /%}

Acceptance Criteria

Rune schema in runes/plan/src/tags/decision-log.ts with filter/sort attributes
aggregate() pipeline hook queries entity registry for decision entities
Results sorted by date (reverse chronological by default) or id
Filter parsing reuses backlog filter syntax
Renders as a list with date, status badge, id, and title per entry
Engine config in runes/plan/src/config.ts
CSS in packages/lumina/styles/runes/decision-log.css
Tests for filtering, sorting, and rendering
Exported from runes/plan/src/index.ts

Dependencies

WORK-020 (entity registration) must be complete first
Filter parsing can be shared with backlog rune (WORK-022)