diff --git a/TODO.md b/TODO.md
index 6fcecdb0..ee250402 100644
--- a/TODO.md
+++ b/TODO.md
@@ -10,10 +10,6 @@
   test command independent of ambient SubLLM credentials. Current state:
   `IN_PROGRESS / PUBLICATION`; workstream: `integration`.
 
-- [ ] [`ticket-088`](project/ticket-088/README.md) — prevent overlapping
-  projections of one source sentence from creating a false blocking polarity
-  contradiction. Current state: `IN_PROGRESS / EDIT`; workstream: `core-dsl`.
-
 - [ ] [`ticket-054`](project/ticket-054/README.md) — restore skills-agent
   discovery, prove a todo2code → Repair PR → independent Validator hand-off,
   then add three bounded todo2code-grounded skills. Current state:
@@ -33,6 +29,11 @@
   Current state: `PLAN / WAIT_FOR_APPROVAL`.
 
 ## Completed tickets
+- [x] [`ticket-088`](project/ticket-088/README.md) — prevented overlapping
+  projections of one source sentence from creating a false blocking polarity
+  contradiction. Validator approved exact head `a37f4020` for `ticket-088`;
+  PR #103 merged as `89e72ce` and its implementation branch was deleted.
+  Current state: `DONE / DONE`.
 - [x] [`ticket-087`](project/ticket-087/README.md) — reconciled protected merge
   evidence and released stale reservations for tickets 077, 083, 084 and 085.
   Current state: `DONE / DONE`.
diff --git a/project/ticket-088/README.md b/project/ticket-088/README.md
index db0cdd0f..4f4165bb 100644
--- a/project/ticket-088/README.md
+++ b/project/ticket-088/README.md
@@ -2,8 +2,8 @@
 
 - **ID**: ticket-088
 - **Owner**: Founder session request (user:tom)
-- **Status**: IN_PROGRESS
-- **Workflow state**: PUBLICATION
+- **Status**: DONE
+- **Workflow state**: DONE
 - **Created**: 2026-08-26
 
 ## Goal and scope
@@ -30,3 +30,14 @@ between disjoint statements and different sources.
 - Human participant: user:tom through the active session request; no user-* file
   was created by this script.
 - Agent participant: [ai-codex.md](ai-codex.md)
+
+## Protected delivery evidence
+
+- Pull request: `autogrammar/todo2code#103`
+- Approved implementation HEAD: `a37f4020c0f0719cbb1a9336c9d03b895071972d`
+- Protected merge commit: `89e72ce991e3f2518b323d2d5e45ff7368b46acf`
+- Trusted reviewer: `ifuri-validator-agent[bot]`, bound to `ticket-088` and
+  the exact implementation HEAD
+- Merged at: `2026-08-26T01:09:01Z`
+- Implementation branch `ticket/088-same-source-conflict` is absent from the
+  remote after merge.
diff --git a/project/ticket-088/ai-codex-logs.txt b/project/ticket-088/ai-codex-logs.txt
index 04d30b9b..48222d30 100644
--- a/project/ticket-088/ai-codex-logs.txt
+++ b/project/ticket-088/ai-codex-logs.txt
@@ -4,3 +4,7 @@
 2026-08-26 FOCUSED_TEST node --test dist/test/linker-pairing.test.js passed 16/16
 2026-08-26 EXACT_REPLAY base blocking=1 workspace blocking=1 blocking_delta=0 conflicting_topics=null for Core candidate PLF-8307
 2026-08-26 VALIDATION npm run verify, make docker-smoke, governance GOV-PASS and git diff --check passed
+2026-08-26 VALIDATOR_APPROVAL ifuri-validator-agent approved exact HEAD a37f4020c0f0719cbb1a9336c9d03b895071972d for repository autogrammar/todo2code PR 103 ticket-088
+2026-08-26 PROTECTED_MERGE PR 103 merged as 89e72ce991e3f2518b323d2d5e45ff7368b46acf; remote implementation branch deleted
+2026-09-01 LIFECYCLE_RECONCILIATION protected delivery evidence verified through GitHub API; ticket moved from stale IN_PROGRESS/PUBLICATION to DONE/DONE
+2026-09-01 CLOSURE_VALIDATION governance GOV-PASS; docker smoke PASS; npm test retry passed 433, failed 0, skipped 1 after one isolated cli-watch timeout passed 1/1 on focused retry
diff --git a/project/ticket-088/ai-codex.md b/project/ticket-088/ai-codex.md
index e55cc635..e9a4cd5e 100644
--- a/project/ticket-088/ai-codex.md
+++ b/project/ticket-088/ai-codex.md
@@ -36,4 +36,5 @@ Sprawdzanie", so it is not independent contrary evidence.
 
 ## Blockers
 
-- Trusted merge remains a separate Validator Agent decision.
+- None. Validator approved exact HEAD `a37f4020` for `ticket-088`; protected
+  PR #103 merged as `89e72ce` and the implementation branch was deleted.
diff --git a/project/ticket-088/changelog.md b/project/ticket-088/changelog.md
index 0371c3e9..bcaddef8 100644
--- a/project/ticket-088/changelog.md
+++ b/project/ticket-088/changelog.md
@@ -18,3 +18,9 @@
   control.
 - Recorded a zero blocking-delta replay plus successful full, Docker,
   governance and whitespace validation.
+
+## [0.4.0] - 2026-09-01
+
+- Reconciled the stale lifecycle with exact protected evidence from PR #103.
+- Bound the Validator approval to `ticket-088` and implementation HEAD
+  `a37f4020`, recorded protected merge `89e72ce`, and confirmed branch cleanup.