docs: reconcile project state and refresh README

docs/ISSUES.md

@@ -24,7 +24,7 @@ What does NOT go here:
 - Every session: scan OPEN issues at start; promote/close anything we touched during the session before ending.
 - Promoting to a Phase: mark as `DONE (promoted to Phase X)` + commit SHA where the Phase entry landed.
 
-## Current queue — 2026-07-24
+## Current queue — 2026-07-27
 
 - **Structural handoff:** all eight `GameWindow` decomposition slices and the
   automated closeout are complete. The 1,622-line native shell has typed
@@ -33,6 +33,10 @@ What does NOT go here:
   nine-stop soaks, and the Slice-7 framebuffer comparison pass. The user's
   connected visual matrix passed 2026-07-23, so the campaign is complete in
   [`docs/architecture/code-structure.md`](architecture/code-structure.md).
+- **Active M4 prelude:** resume
+  [`plans/2026-07-23-world-interaction-completion.md`](plans/2026-07-23-world-interaction-completion.md).
+  Slices 1–3, including the complete assessment surface, are user-accepted.
+  Equipped-child picking and vendor browse/transactions remain Slices 4–6.
 - **Separate rendering gate:** `#225`, lifestone/particle alpha ordering. Its
   connected performance, lifetime, and unattended portal routes pass.
 - **Carried behavior debt:** `#153` far-teleport unstreamed-edge arrival and
@@ -44,35 +48,20 @@ What does NOT go here:
   smooth and physics, collision, and wire state remain correct.
 - **Build hygiene:** `#228` records 17 clean-Release test-project warnings;
   production compilation and all tests pass.
-- **Performance side track:** Slices A–E are complete. Typed
-  completion admission, immediate generation-scoped old-world quiescence, and
-  budgeted full-window/recenter retirement are live. Publication now advances
-  from retained render/physics/static/building/EnvCell cursors without replay.
-  The canonical reveal generation now owns the destination reservation across
-  every typed budget dimension; incomplete worlds remain in portal space with
-  retail's centered wait cue. E6 deterministic/resource suites and all three
-  physical-local connected routes pass with zero stranded work/resource
-  backlog. Slices F–L, including the former F/G and J gates, were explicitly
-  approved 2026-07-24. Slice F now executes from the pre-runtime rollback
-  anchor `e7d9d6fa`; its ownership, shadow-scene, cutover, and acceptance
-  contract is
-  [`plans/2026-07-24-modern-runtime-slices-f-g-render-scene.md`](plans/2026-07-24-modern-runtime-slices-f-g-render-scene.md).
-  Evidence:
-  [`research/2026-07-24-slice-e-cost-budgeted-streaming-report.md`](research/2026-07-24-slice-e-cost-budgeted-streaming-report.md).
-- **Modern Runtime execution:** Slices F–I are complete. Slice I removed
-  production parsed collision graphs after exact flat differential and user
-  collision acceptance; 8,413 Release tests / 5 skips and both exact-binary
-  connected routes pass with `0/0/0` graph residency. J0's enforced
-  presentation-independent project boundary and J1's borrowed
-  view/command/event/lifecycle contract are live. J2's canonical
-  session/transport lifetime and ordered inbound route are complete at
-  `75930787`; J3 canonical entity/object lifetime and J4 gameplay-state
-  ownership are complete through `89e6b207`. J5.1 canonical selection,
-  combat, and target-mode ownership is complete at `b298f99f`; J5.2
-  interaction-transaction ownership is complete at `f5f7b417`, with 8,561
-  Release tests / 5 skips and the exact connected gate green. J5.3
-  combat/magic-intent ownership is active from
-  [`plans/2026-07-25-modern-runtime-slice-j.md`](plans/2026-07-25-modern-runtime-slice-j.md).
+- **Modern Runtime/performance program:** Slices A–K are complete. Prepared
+  world/collision packages, typed residency, bounded publication/retirement,
+  retained render-scene deltas, flat-authoritative collision, and bounded
+  frame/network owners are production paths. Slice J closed at `a9a822f2`
+  with one presentation-independent `GameRuntime` shared by graphical and
+  no-window hosts. Slice K closed through `776482da` with the Windows/Linux
+  multi-session host, shared immutable content, deterministic bot API,
+  1/5/10/30-session and two-hour simulated gates, connected portal/movement
+  parity, resource ceilings, and graceful zero-debt teardown.
+- **Deferred Linux graphical track:** L0 completed at `66f114b2`; L1's backend
+  selection/capability implementation checkpoint landed at `11501d52`.
+  Native Windows passes and WSLg correctly rejects its missing mandatory
+  bindless capability. Physical-Linux validation and L2–L6 are parked by user
+  direction; resume at the supported AMD/NVIDIA L1 gate.
 
 The [documentation map](README.md) defines how this tactical ledger relates to
 the milestone, roadmap, architecture, divergence register, research, and