diff --git a/AGENTS.md b/AGENTS.md
index 711e3ab9..aafe9ebc 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -198,11 +198,20 @@ generation/lifecycle contracts, and teardown acknowledgements project the same
 canonical App owners without a mirror or extra frame. Runtime tests pass 13/13,
 App tests pass 3,838/3 skips, the complete Release suite passes 8,424/5 skips,
 and the exact-binary seven-checkpoint connected lifecycle/reconnect gate passes
-with graceful exits. J2 session lifetime and ordered transport extraction is
-active. J0's rollback is
+with graceful exits. J2 is complete at `75930787`: the canonical
+`WorldSession` generation, connect/enter/tick/replace transaction, ordered
+inbound route, and retryable teardown acknowledgement now live in Runtime.
+App retains only option conversion, graphical callbacks, and one borrowed
+inertable UI command projection. Runtime tests pass 79/79, App tests pass
+3,776/3 skips, the complete Release suite passes 8,428/5 skips, and the exact-
+binary seven-checkpoint gate passes with graceful exits and zero render-shadow
+mismatches or pending deltas. J3 canonical identity, properties, and
+object-table extraction is active. J0's rollback is
 `git revert b632672e5ccabfb44c551e08f1c411ab2669c44a`.
 J1's rollback is
 `git revert 854d9e9cd13092bd5aaa3cf025d73eeb4600e9f8`.
+J2's rollback is
+`git revert 75930787741db40a83eab8663e4464dce8d687ba`.
 Slice H's retained UI/frame, bounded-light, and pooled/borrowed/direct network
 work is complete; the exact seven-checkpoint connected lifecycle/reconnect gate
 passes. Slice I is closed in
@@ -219,7 +228,8 @@ the portal-warmup corrections. Evidence:
 `docs/research/2026-07-25-slice-i5-dual-collision-shadow.md` and
 `docs/research/2026-07-25-slice-i6-flat-production-cutover.md` and
 `docs/research/2026-07-25-slice-i7-closeout.md` and
-`docs/research/2026-07-25-slice-j1-runtime-contract-closeout.md`.
+`docs/research/2026-07-25-slice-j1-runtime-contract-closeout.md` and
+`docs/research/2026-07-25-slice-j2-session-lifetime-closeout.md`.
 
 **Structural prerequisite before new M4 subsystem work:** all eight
 behavior-preserving `GameWindow` decomposition slices and the automated
diff --git a/CLAUDE.md b/CLAUDE.md
index fdb75948..23c914b5 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -196,11 +196,20 @@ generation/lifecycle contracts, and teardown acknowledgements project the same
 canonical App owners without a mirror or extra frame. Runtime tests pass 13/13,
 App tests pass 3,838/3 skips, the complete Release suite passes 8,424/5 skips,
 and the exact-binary seven-checkpoint connected lifecycle/reconnect gate passes
-with graceful exits. J2 session lifetime and ordered transport extraction is
-active. J0's rollback is
+with graceful exits. J2 is complete at `75930787`: the canonical
+`WorldSession` generation, connect/enter/tick/replace transaction, ordered
+inbound route, and retryable teardown acknowledgement now live in Runtime.
+App retains only option conversion, graphical callbacks, and one borrowed
+inertable UI command projection. Runtime tests pass 79/79, App tests pass
+3,776/3 skips, the complete Release suite passes 8,428/5 skips, and the exact-
+binary seven-checkpoint gate passes with graceful exits and zero render-shadow
+mismatches or pending deltas. J3 canonical identity, properties, and
+object-table extraction is active. J0's rollback is
 `git revert b632672e5ccabfb44c551e08f1c411ab2669c44a`.
 J1's rollback is
 `git revert 854d9e9cd13092bd5aaa3cf025d73eeb4600e9f8`.
+J2's rollback is
+`git revert 75930787741db40a83eab8663e4464dce8d687ba`.
 Slice H's retained UI/frame, bounded-light, and pooled/borrowed/direct network
 work is complete; the exact seven-checkpoint connected lifecycle/reconnect gate
 passes. Slice I is closed in
@@ -217,7 +226,8 @@ the portal-warmup corrections. Evidence:
 `docs/research/2026-07-25-slice-i5-dual-collision-shadow.md` and
 `docs/research/2026-07-25-slice-i6-flat-production-cutover.md` and
 `docs/research/2026-07-25-slice-i7-closeout.md` and
-`docs/research/2026-07-25-slice-j1-runtime-contract-closeout.md`.
+`docs/research/2026-07-25-slice-j1-runtime-contract-closeout.md` and
+`docs/research/2026-07-25-slice-j2-session-lifetime-closeout.md`.
 
 **Structural prerequisite before new M4 subsystem work:** all eight
 behavior-preserving `GameWindow` decomposition slices and the automated
diff --git a/docs/ISSUES.md b/docs/ISSUES.md
index bbe97e72..69eca4ad 100644
--- a/docs/ISSUES.md
+++ b/docs/ISSUES.md
@@ -64,8 +64,9 @@ What does NOT go here:
   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 session lifetime and
-  ordered transport extraction is active from
+  view/command/event/lifecycle contract are live. J2's canonical
+  session/transport lifetime and ordered inbound route are complete at
+  `75930787`; J3 identity, properties, and object-table extraction is active from
   [`plans/2026-07-25-modern-runtime-slice-j.md`](plans/2026-07-25-modern-runtime-slice-j.md).
 
 The [documentation map](README.md) defines how this tactical ledger relates to
diff --git a/docs/architecture/acdream-architecture.md b/docs/architecture/acdream-architecture.md
index 72d8302b..34374229 100644
--- a/docs/architecture/acdream-architecture.md
+++ b/docs/architecture/acdream-architecture.md
@@ -207,7 +207,9 @@ src/
     RuntimeAssemblyMarker.cs  -> J0 dependency boundary
     GameRuntime*.cs           -> J1 borrowed views, synchronous commands,
                                 ordered deltas, clock, generation + teardown
-    -> J2 session lifetime and ordered transport extraction active
+    Session/                  -> J2 canonical session lifetime, ordered
+                                inbound routing + retryable teardown
+    -> J3 identity, properties, and object-table extraction active
     -> may reference Core, Core.Net, Content, and Plugin.Abstractions only
     -> must never reference App, UI, Silk.NET, OpenAL, Arch, or ImGui
   
diff --git a/docs/plans/2026-04-11-roadmap.md b/docs/plans/2026-04-11-roadmap.md
index b4d8b63f..c0aa1ada 100644
--- a/docs/plans/2026-04-11-roadmap.md
+++ b/docs/plans/2026-04-11-roadmap.md
@@ -1678,14 +1678,19 @@ port in any phase — no separate listing here.
 > acknowledgements over the same canonical owners. Its 13 Runtime tests, 3,838
 > App tests / 3 skips, 8,424-test / 5-skip complete Release suite, and exact-
 > binary seven-checkpoint lifecycle/reconnect gate pass with graceful exits.
-> J2 is now active.
+> J2 moved the canonical session/transport generation, ordered inbound route,
+> and retryable teardown into Runtime at `75930787`. Its 79 Runtime tests,
+> 3,776 App tests / 3 skips, 8,428-test / 5-skip complete Release suite, and
+> exact-binary seven-checkpoint gate pass with graceful exits and zero render-
+> shadow mismatches. J3 canonical identity, properties, and object-table
+> extraction is now active.
 > The historical exact cutover
 > rollback remains
 > `git revert ef1d263337997bb030eadb7b8e71d73dc659907a`. Slice H is complete:
 > retained UI/frame work, exact bounded light selection, and
 > pooled/borrowed/direct network I/O pass 8,292 Release tests / 5 skips and the
 > connected lifecycle/reconnect gate. Slice I is closed in
-> [its detailed plan](2026-07-25-modern-runtime-slice-i.md); Slice J2 executes
+> [its detailed plan](2026-07-25-modern-runtime-slice-i.md); Slice J3 executes
 > from [its lifetime-group plan](2026-07-25-modern-runtime-slice-j.md).
 
 **Spec:** `docs/superpowers/specs/2026-07-05-modern-pipeline-design.md` (the
diff --git a/docs/plans/2026-05-12-milestones.md b/docs/plans/2026-05-12-milestones.md
index 441e0631..2553051c 100644
--- a/docs/plans/2026-05-12-milestones.md
+++ b/docs/plans/2026-05-12-milestones.md
@@ -153,10 +153,16 @@ residency is `0/0/0` at every stable checkpoint and teardown converges. Slice I
   and teardown acknowledgements without moving a canonical owner. Runtime
   tests pass 13/13, App tests pass 3,838/3 skips, the full Release suite passes
   8,424/5 skips, and the exact-binary seven-checkpoint connected gate exits
-  gracefully. J2 session lifetime and ordered transport extraction is active under
+  gracefully. J2 moved canonical session/transport lifetime and ordered
+  inbound routing into Runtime at `75930787`; 79 Runtime tests, 3,776 App
+  tests / 3 skips, 8,428 full Release tests / 5 skips, and its exact-binary
+  seven-checkpoint gate pass with graceful exits. J3 canonical identity,
+  properties, and object-table extraction is active under
   [`2026-07-25-modern-runtime-slice-j.md`](2026-07-25-modern-runtime-slice-j.md).
 Slice-I closeout evidence is
 [`../research/2026-07-25-slice-i7-closeout.md`](../research/2026-07-25-slice-i7-closeout.md).
+Slice-J2 closeout evidence is
+[`../research/2026-07-25-slice-j2-session-lifetime-closeout.md`](../research/2026-07-25-slice-j2-session-lifetime-closeout.md).
 The historical exact G4 visual rollback remains
 `git revert ef1d263337997bb030eadb7b8e71d73dc659907a`.
 
diff --git a/docs/plans/2026-07-24-modern-runtime-architecture.md b/docs/plans/2026-07-24-modern-runtime-architecture.md
index 6407760e..40c15708 100644
--- a/docs/plans/2026-07-24-modern-runtime-architecture.md
+++ b/docs/plans/2026-07-24-modern-runtime-architecture.md
@@ -2,12 +2,12 @@
 
 **Date:** 2026-07-24
 
-**Status:** Slices A–I are complete. Flat-authoritative collision, zero-
+**Status:** Slices A–I and J0–J2 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 the borrowed view/command/event seam without moving canonical
-gameplay owners; J2 is the active execution point.
+boundary and borrowed contract seam; J2 moved canonical session/transport
+lifetime and ordered inbound routing. J3 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.
@@ -1246,7 +1246,9 @@ proved exact flat traversal, strict dual publication, and flat-authoritative
 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
-now the current execution point.
+complete with borrowed contracts, and J2 now owns canonical session/transport
+lifetime plus ordered inbound routing in Runtime. J3 is the current execution
+point.
 Evidence:
 [`../research/2026-07-25-slice-g5-production-profile.md`](../research/2026-07-25-slice-g5-production-profile.md)
 and
@@ -1258,7 +1260,9 @@ and
 and
 [`../research/2026-07-25-slice-i7-closeout.md`](../research/2026-07-25-slice-i7-closeout.md)
 and
-[`2026-07-25-modern-runtime-slice-i.md`](2026-07-25-modern-runtime-slice-i.md).
+[`../research/2026-07-25-slice-j2-session-lifetime-closeout.md`](../research/2026-07-25-slice-j2-session-lifetime-closeout.md)
+and
+[`2026-07-25-modern-runtime-slice-j.md`](2026-07-25-modern-runtime-slice-j.md).
 
 The intended order is therefore:
 
@@ -1272,7 +1276,7 @@ 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 J2)
+  -> presentation-independent runtime       (J — CURRENT at J3)
   -> Linux/headless/multi-session           (K)
   -> evidence-gated GPU jobs                (L)
 ```
diff --git a/docs/plans/2026-07-25-modern-runtime-slice-j.md b/docs/plans/2026-07-25-modern-runtime-slice-j.md
index a1b0aa97..a599e7ab 100644
--- a/docs/plans/2026-07-25-modern-runtime-slice-j.md
+++ b/docs/plans/2026-07-25-modern-runtime-slice-j.md
@@ -1,7 +1,7 @@
 # Modern runtime Slice J — presentation-independent runtime
 
-**Status:** J0–J1 COMPLETE — lifetime boundary plus borrowed view, command,
-event, clock, generation, and teardown contracts; J2 is ACTIVE
+**Status:** J0–J2 COMPLETE — boundary, borrowed contracts, and canonical
+session/transport lifetime; J3 is ACTIVE
 **Parent:** `2026-07-24-modern-runtime-architecture.md`, Slice J
 **Authorization:** the user approved Slices F–L, including the otherwise-frozen
 Slice J gameplay-owner moves, on 2026-07-24
@@ -143,6 +143,8 @@ git revert 854d9e9cd13092bd5aaa3cf025d73eeb4600e9f8
 
 ### J2 — session lifetime and ordered transport group
 
+**Completed 2026-07-25 at `75930787`.**
+
 **Detailed execution plan:**
 [`2026-07-25-modern-runtime-slice-j2.md`](2026-07-25-modern-runtime-slice-j2.md).
 
@@ -160,6 +162,21 @@ Gate: connected login/logout/reconnect and malformed/reentrant lifecycle suites
 produce the same packet/order trace; no-window construction can connect and
 disconnect without loading App or a backend.
 
+Result: Runtime now owns the one `WorldSession` generation, ordered inbound
+route, connect/enter/tick/replace transaction, and exact retryable teardown
+acknowledgement. App keeps only connection-option conversion, graphical
+callbacks, and one borrowed inertable UI command projection. The Release build,
+79 Runtime tests, 3,776 App tests / 3 skips, 8,428 complete tests / 5 skips,
+and the exact-binary seven-checkpoint connected gate pass with graceful exits.
+Evidence:
+[`../research/2026-07-25-slice-j2-session-lifetime-closeout.md`](../research/2026-07-25-slice-j2-session-lifetime-closeout.md).
+
+Exact rollback:
+
+```text
+git revert 75930787741db40a83eab8663e4464dce8d687ba
+```
+
 ### J3 — canonical identity, properties, and object-table group
 
 - Strip renderer, particle, Wb, and streaming components from the canonical
diff --git a/docs/plans/2026-07-25-modern-runtime-slice-j2.md b/docs/plans/2026-07-25-modern-runtime-slice-j2.md
index ef4bb7bd..fe321e5a 100644
--- a/docs/plans/2026-07-25-modern-runtime-slice-j2.md
+++ b/docs/plans/2026-07-25-modern-runtime-slice-j2.md
@@ -1,8 +1,9 @@
 # Modern runtime Slice J2 — session lifetime and ordered transport
 
-**Status:** ACTIVE
+**Status:** COMPLETE 2026-07-25
 **Parent:** `2026-07-25-modern-runtime-slice-j.md`, J2
 **Production base:** `854d9e9cd13092bd5aaa3cf025d73eeb4600e9f8`
+**Production commit:** `75930787741db40a83eab8663e4464dce8d687ba`
 **J1 documentation:** `f84624b1e9b83f928debdbe65a5a1576b999ee34`
 
 ## 1. Objective
@@ -180,10 +181,22 @@ J2 changes no pixels, input feel, or retail algorithm. A separate user visual
 pause is therefore not required unless the connected gate exposes a
 presentation symptom.
 
-## 6. Rollback
+## 6. Result and rollback
 
-The exact J2 rollback commit is recorded here before its connected gate. J1
-remains independently reversible:
+All focused and complete gates passed: 79 Runtime tests, 3,776 App tests with
+three skips, 8,428 complete Release tests with five skips, and the exact-binary
+seven-checkpoint connected lifecycle/reconnect route. Both processes exited
+gracefully; every checkpoint had zero render-shadow mismatch and zero pending
+render delta. Evidence:
+[`../research/2026-07-25-slice-j2-session-lifetime-closeout.md`](../research/2026-07-25-slice-j2-session-lifetime-closeout.md).
+
+Exact J2 rollback:
+
+```text
+git revert 75930787741db40a83eab8663e4464dce8d687ba
+```
+
+J1 remains independently reversible:
 
 ```text
 git revert 854d9e9cd13092bd5aaa3cf025d73eeb4600e9f8
diff --git a/docs/research/2026-07-25-slice-j2-session-lifetime-closeout.md b/docs/research/2026-07-25-slice-j2-session-lifetime-closeout.md
new file mode 100644
index 00000000..e7231039
--- /dev/null
+++ b/docs/research/2026-07-25-slice-j2-session-lifetime-closeout.md
@@ -0,0 +1,69 @@
+# Modern runtime Slice J2 closeout
+
+## Result
+
+Slice J2 is complete at production commit
+`75930787741db40a83eab8663e4464dce8d687ba`.
+
+The one canonical `WorldSession` generation and its connect, EnterWorld, tick,
+replacement, and retryable stop transaction now live in `AcDream.Runtime`.
+Runtime also owns the complete ordered inbound subscription set and exact
+teardown acknowledgement stages. The superseded App controller, lifecycle
+host, event router, and subscription owner were deleted.
+
+App remains the graphical host. It converts `RuntimeOptions` into immutable
+Runtime connection options, supplies graphical/domain lifecycle callbacks, and
+projects one borrowed `ICommandBus` route for retained UI. That bridge stores
+no generation, transport, or in-world state; only one route can be active, and
+the old route becomes inert before inbound callbacks detach.
+
+No AC wire behavior, pixels, input timing, or retail algorithm changed.
+
+## Automated acceptance
+
+At the production commit:
+
+- Runtime tests: 79 passed;
+- App tests: 3,776 passed / 3 skipped;
+- complete Release solution: 8,428 passed / 5 skipped;
+- Release solution build: pass.
+
+Coverage includes bind-before-connect and activate-after-EnterWorld ordering,
+stale generation rejection, malformed and reentrant lifecycle paths,
+construction rollback, exact retryable teardown suffixes, one-active-route
+graphical projection, stale-route inertness, and a Runtime-only
+connect/disconnect graph that loads no App, UI, Silk.NET, OpenAL, Arch, or
+ImGui assembly.
+
+## Connected lifecycle acceptance
+
+Raw evidence:
+`logs/connected-world-gate-20260725-193936/report.json`.
+
+Result: PASS on the exact production commit.
+
+- Capped process: login, Aerlinthe, Rynthid, Facility Hub, Holtburg after the
+  dungeon, and Aerlinthe revisit all completed.
+- Fresh uncapped process: reconnect completed.
+- Seven of seven checkpoints passed.
+- Both processes exited gracefully with exit code zero.
+- Every checkpoint reported zero render-shadow mismatches and zero pending
+  render deltas.
+- No gate failure was recorded.
+- The only warning was 25 expected world-edge landblock misses.
+
+This proves that moving session/transport lifetime and inbound route ownership
+out of App preserved live connection, packet routing, world traversal,
+replacement, and graceful shutdown on the exact binary.
+
+## Exact rollback
+
+```text
+git revert 75930787741db40a83eab8663e4464dce8d687ba
+```
+
+J1 remains independently reversible with:
+
+```text
+git revert 854d9e9cd13092bd5aaa3cf025d73eeb4600e9f8
+```