Taylor Eernisse 7eadae75f0 test(timeline): add integration tests for full seed-expand-collect pipeline ...

Adds tests/timeline_pipeline_tests.rs with end-to-end integration tests
that exercise the complete timeline pipeline against an in-memory SQLite
database with realistic data:

- pipeline_seed_expand_collect_end_to_end: Full scenario with an issue
  closed by an MR, state changes, and label events. Verifies that seed
  finds entities via FTS, expand discovers the closing MR through the
  entity_references graph, and collect assembles a chronologically sorted
  event stream containing Created, StateChanged, LabelAdded, and Merged
  events.

- pipeline_empty_query_produces_empty_result: Validates graceful
  degradation when FTS returns zero matches -- all three stages should
  produce empty results without errors.

- pipeline_since_filter_excludes_old_events: Verifies that the since
  timestamp filter propagates correctly through collect, excluding events
  before the cutoff while retaining newer ones.

- pipeline_unresolved_refs_have_optional_iid: Tests the Option<i64>
  target_iid on UnresolvedRef by creating cross-project references both
  with and without known IIDs.

- shared_resolve_entity_ref_scoping: Unit tests for the new shared
  resolve_entity_ref helper covering project-scoped lookup, unscoped
  lookup, wrong-project rejection, unknown entity types, and nonexistent
  entity IDs.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-02-06 08:38:34 -05:00

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