chore(release): record GraphRAG relation hot-path fix

.tegami/2026-08-06-graphrag-relation-hotpaths.md

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+---
+packages:
+  orgmemory: patch
+subject: Restore fast authorized GraphRAG relation scoring
+---
+
+## Fixes
+
+GraphRAG now limits relation contribution and relation-weight authorization work
+to the requested candidate relations before checking independently visible source
+and target entities. These reads also use the transaction-scoped PostgreSQL
+budget, preventing an expensive plan from continuing after retrieval is
+cancelled.
+
+## Improvements
+
+Snapshot retrieval now reports bounded, payload-free timings for each graph
+storage operation under the existing retrieval operation identifier, making
+future latency regressions attributable without recording prompts, answers, or
+evidence identifiers.