perf(streaming): cursor publication across frame budgets

docs/plans/2026-04-11-roadmap.md

@@ -1613,7 +1613,10 @@ port in any phase — no separate listing here.
 > generation unavailable at the hard reveal edge and freezes its world
 > simulation/audio while full-window and shared-origin teardown advance through
 > metered resident, entity, and owner-stage cursors with exact retry receipts.
-> E4 cursor-budgets publication next. F/G and J retain their explicit approval
+> E4 now retains the exact accepted queue head and cursor-budgets render,
+> physics, static, building-registry, EnvCell, collision, and reflood
+> publication before one observer-atomic spatial swap. E5 destination
+> reservation/reveal joining is next. F/G and J retain their explicit approval
 > gates.
 
 **Spec:** `docs/superpowers/specs/2026-07-05-modern-pipeline-design.md` (the

docs/plans/2026-05-12-milestones.md

@@ -93,12 +93,14 @@ The separately authorized modern-runtime performance program has completed
 Slices A–D: corrected measurement, prepared-package bake/dedup, package-only
 production streaming, and typed unified residency. Its physical capped,
 uncapped, and dense connected gates pass without a visual-quality change.
-Slice E0–E3 now define and enforce typed completion admission through explicit
+Slice E0–E4 now define and enforce typed completion admission through explicit
 stable priority queues, publish an immediate generation-scoped old-world
 quiesce at login/portal boundaries, and advance full-window/recenter teardown
-through exact metered retirement cursors. E4 next makes publication itself
-cursor-budgeted. Slices F/G remain behind their explicit ECS approval gate, and
-Slice J remains behind its gameplay-owner approval gate.
+through exact metered retirement cursors. Render, physics, static, building,
+and EnvCell publication now resume from retained exact cursors under the same
+frame budget. E5 destination reservation and reveal-generation joining is
+next. Slices F/G remain behind their explicit ECS approval gate, and Slice J
+remains behind its gameplay-owner approval gate.
 
 Slice 1's 18-cell favorite-spell overflow bar is user-accepted. Slice 2's
 status hand selected-object availability and existing

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

@@ -2,7 +2,7 @@
 
 **Date:** 2026-07-24
 
-**Status:** Slices A–D complete. Slice E is active (E0–E3 complete).
+**Status:** Slices A–D complete. Slice E is active (E0–E4 complete).
 
 **Scope:** Reconcile and sequence the existing Modern Pipeline (`MP`) and
 Linux/headless (`LH`) tracks using the 2026-07-24 connected performance audit.
@@ -728,9 +728,10 @@ checkpoint retained staged or retiring bytes. Evidence:
 
 **Checkpoint 2026-07-24:** E0 fixed the retail/adaptation contract and current
 owner inventory. E1 landed the validated work profile, deterministic meter and
-completion charge model, plus lifecycle-artifact shadow diagnostics while
-preserving the prior scheduler's execution. E2 is the first enforcement
-cutover.
+completion charge model. E2 cut execution over to stable priority FIFOs. E3
+added immediate generation quiescence and cursored retirement. E4 now advances
+render/physics/static publication from retained exact receipts; E5 destination
+reservation and reveal-generation joining is next.
 
 **Purpose:** Remove update-thread portal transactions.
 

docs/plans/2026-07-24-modern-runtime-slice-e-cost-budgeted-streaming.md

@@ -1,6 +1,6 @@
 # Modern Runtime Slice E — Cost-budgeted streaming and retirement
 
-**Status:** active — E0/E1/E2/E3 complete; E4 cursor-budgeted publication next
+**Status:** active — E0/E1/E2/E3/E4 complete; E5 destination reservation next
 **Program:** `docs/plans/2026-07-24-modern-runtime-architecture.md`
 **Baseline:** Slice D closeout commit `66690805`
 **Behavior contract:** no visual-quality or retail-behavior reduction
@@ -325,6 +325,29 @@ valid GPU/FPS evidence.
 - Feed GPU requested-byte and retirement-operation facts from renderer owners.
 - Prove every failure resumes the exact unfinished operation without replay.
 
+**Complete 2026-07-24.** One accepted completion now remains at the exact queue
+head while `LandblockPresentationPipeline` advances retained render, physics,
+and static receipts through the frame's single meter. Stable entity/Gfx/building
+and prior-owner arrays are captured once. Terrain upload bytes are charged at
+the render owner; physics cells/buildings, static collision/light/plugin work,
+prior static teardown, shadow reflood, building-registry construction, and
+EnvCell shell construction advance one bounded operation at a time. Building
+and EnvCell replacements are prepared off-side and become visible only when
+complete. Failures retain the unfinished cursor and never replay a committed
+prefix. Settings/native callbacks can defer policy changes but cannot drain
+publication outside `StreamingController.Tick`.
+
+The final `GpuWorldState.MutationBatch` remains one deliberate observer-atomic
+operation: bucket mutation, render-id ownership, activation, and the outer
+visibility notification cannot span frames without exposing a partial spatial
+identity. It is time-metered and named for E6 overrun evidence; all iterable
+owner work now occurs before it.
+
+Validation: focused render/building/publication/controller tests passed; the
+complete App suite passed 3,669 / 3 skipped; the complete Release solution
+passed 8,152 / 5 skipped; Release solution build green. Physical connected
+performance and visual evidence remains an E6 gate.
+
 ### E5 — Destination reservation and reveal generation
 
 - Replace eager `PriorityRadius` execution with destination reservations.