docs(runtime): close J3.4 and plan J3.5

docs/plans/2026-07-24-modern-runtime-architecture.md

@@ -2,14 +2,14 @@
 
 **Date:** 2026-07-24
 
-**Status:** Slices A–I and J0–J3.3 are complete. Flat-authoritative collision, zero-
+**Status:** Slices A–I and J0–J3.4 are complete. Flat-authoritative collision, zero-
 allocation resolve scratch, parsed-graph removal, connected correctness/
 lifetime acceptance, and Slice-I closeout landed 2026-07-25. Slices F–L were
 explicitly approved 2026-07-24. Slice J0–J1 established the enforced Runtime
 boundary and borrowed contract seam; J2 moved canonical session/transport
-lifetime and ordered inbound routing; J3.1–J3.3 moved canonical entity identity
-to Runtime and exact graphical projection identity to App. J3.4 is the active
-execution point.
+lifetime and ordered inbound routing; J3.1–J3.4 moved canonical entity identity
+and object-table lifetime to Runtime and exact graphical projection identity
+to App. J3.5 is the active execution point.
 
 **Scope:** Reconcile and sequence the existing Modern Pipeline (`MP`) and
 Linux/headless (`LH`) tracks using the 2026-07-24 connected performance audit.
@@ -1250,11 +1250,13 @@ gameplay before removing every production parsed collision graph. Slice I7
 passes 8,413 Release tests / 5 skips plus both exact-binary connected routes;
 every stable checkpoint reports zero retained parsed collision graphs. J1 is
 complete with borrowed contracts, and J2 owns canonical session/transport
-lifetime plus ordered inbound routing in Runtime. J3.1–J3.3 are complete:
+lifetime plus ordered inbound routing in Runtime. J3.1–J3.4 are complete:
 Runtime owns the only entity GUID/incarnation/local-ID directory, and App's
 materialized sidecars plus spatial/presentation worksets carry exact
-`RuntimeEntityKey`. J3.4 canonical `ClientObjectTable` ownership is the current
-execution point.
+`RuntimeEntityKey`. One `RuntimeEntityObjectLifetime` also owns the exact live
+`ClientObjectTable`; App is a synchronous borrower. J3.5's ordered canonical
+entity/object delta stream and direct borrowed views are the current execution
+point.
 Evidence:
 [`../research/2026-07-25-slice-g5-production-profile.md`](../research/2026-07-25-slice-g5-production-profile.md)
 and
@@ -1284,7 +1286,7 @@ honest metrics + committed baselines        (A — exit criteria block C)
   -> delta GPU submission                   (G)
   -> residual frame cleanup                 (H-a, H-b, H-c)
   -> flat collision assets                  (I — COMPLETE)
-  -> presentation-independent runtime       (J — CURRENT at J3.4)
+  -> presentation-independent runtime       (J — CURRENT at J3.5)
   -> Linux/headless/multi-session           (K)
   -> evidence-gated GPU jobs                (L)
 ```