Per-note search PRD: Comprehensive product requirements for evolving
the search system from document-level to note-level granularity.
Includes 6 rounds of iterative feedback refining scope, ranking
strategy, migration path, and robot mode integration.
User journeys: Detailed walkthrough of 8 primary user workflows
covering issue triage, MR review lookup, code archaeology, expert
discovery, sync pipeline operation, and agent integration patterns.
125938fba6