diff --git a/TODO.md b/TODO.md
index 94dae5a..461ed97 100644
--- a/TODO.md
+++ b/TODO.md
@@ -2,10 +2,11 @@
 
 ## Governed architecture roadmap
 
-- [ ] Deliver [ticket-059](project/ticket-059/README.md): align the default
+- [x] Deliver [ticket-059](project/ticket-059/README.md): align the default
   Python strategy and pip/pipenv descriptors with ticket-058's retry-safe
-  Twine contract. State: `IN_PROGRESS / PUBLICATION`; 618 tests (2 skips),
-  scoped Ruff and governance pass; classification:
+  Twine contract. State: `DONE / DONE`; 618 tests (2 skips), scoped Ruff,
+  governance, protected CI and exact-head Validator approval pass; PR #98
+  merged unchanged as `1895dde...`; classification:
   `BUG / P1 / regression`; depends on ticket-058.
 
 - [x] Deliver [ticket-058](project/ticket-058/README.md): make configured Twine
diff --git a/project/ticket-059/README.md b/project/ticket-059/README.md
index 423eca0..d660286 100644
--- a/project/ticket-059/README.md
+++ b/project/ticket-059/README.md
@@ -2,8 +2,8 @@
 
 - **ID**: ticket-059
 - **Owner**: unresolved:human
-- **Status**: IN_PROGRESS
-- **Workflow state**: PUBLICATION
+- **Status**: DONE
+- **Workflow state**: DONE
 - **Created**: 2026-08-12
 
 ## Goal and scope
@@ -24,6 +24,8 @@ runtime boundary needs to repair them.
   retry-safe Twine commands without changing non-Twine managers.
 - [x] AC-04: Focused/full tests, Ruff and governance pass before protected
   exact-head delivery.
+- [x] AC-05: Protected CI and Validator Agent approve the exact final head;
+  the unchanged tree is merged and post-merge CI passes.
 
 ## Non-goals
 
@@ -44,3 +46,10 @@ runtime boundary needs to repair them.
   governance (0 errors/0 warnings) and whitespace checks pass.
 - The touched constants module's existing late import is now explicitly marked
   `noqa: E402`; import order and runtime behavior are unchanged.
+- PR #98 passed Python 3.12/3.13 and remote lifecycle on exact HEAD
+  `7e3a5500317f8f580c3c7b426cb72fbf3dc9c7c0`. Validator run
+  `31626544571` and review `4919749433` deterministically approved that SHA.
+- PR #98 merged as `1895ddef2fad331b56ae3840b70f6f756da24da2`;
+  its second parent and tree equal the approved candidate. Post-merge CI
+  `31626699872` passed both supported Python versions and the remote ticket
+  branch was deleted.
diff --git a/project/ticket-059/ai-codex-logs.txt b/project/ticket-059/ai-codex-logs.txt
index 0a9645b..a9c8b46 100644
--- a/project/ticket-059/ai-codex-logs.txt
+++ b/project/ticket-059/ai-codex-logs.txt
@@ -3,3 +3,6 @@
 2026-08-12T18:08:51Z scope: one built-in publish-configuration component containing the default Python strategy, pip/pipenv descriptors and one focused test module; governance-owned goal.yaml deferred to a dependent ticket.
 2026-08-12T18:11:08Z implementation: DEFAULT_CONFIG, pip and pipenv now emit exactly one --skip-existing in their Twine upload command; non-Twine descriptors are byte-unchanged. Added three exact regression cases.
 2026-08-12T18:11:08Z validation: 3 focused PASS; 618 full PASS/2 SKIP; scoped Ruff PASS; governance GOV-PASS 0 errors/0 warnings; git diff --check PASS. Existing late constants import received an explicit E402 exemption with no runtime change.
+2026-08-12T18:14:42Z protected validation: hosted Python 3.12/3.13 and remote lifecycle PASS; Validator run 31626544571 review 4919749433 deterministically approved exact HEAD 7e3a5500317f8f580c3c7b426cb72fbf3dc9c7c0.
+2026-08-12T18:15:02Z merge: PR #98 merged as 1895ddef2fad331b56ae3840b70f6f756da24da2; merge second parent and tree equal the approved candidate; remote branch deleted.
+2026-08-12T18:16:20Z post-merge: CI run 31626699872 PASS on Python 3.12 and 3.13 at exact merge SHA; implementation lifecycle complete.
diff --git a/project/ticket-059/ai-codex.md b/project/ticket-059/ai-codex.md
index 0bc9dce..40b7813 100644
--- a/project/ticket-059/ai-codex.md
+++ b/project/ticket-059/ai-codex.md
@@ -33,6 +33,9 @@ crossing into governance-owned `goal.yaml`.
 - Passed 3 focused and 618 full tests (2 existing skips), scoped Ruff,
   governance and whitespace validation; moved to PUBLICATION for protected
   exact-head review.
+- Delivered exact candidate `7e3a550...` through hosted CI and deterministic
+  Validator approval, merged it unchanged as `1895dde...`, and confirmed green
+  post-merge CI before closing the lifecycle.
 
 ## Blockers
 
diff --git a/project/ticket-059/changelog.md b/project/ticket-059/changelog.md
index 5207e62..aa0db60 100644
--- a/project/ticket-059/changelog.md
+++ b/project/ticket-059/changelog.md
@@ -8,3 +8,5 @@
   package-manager registry; retained `goal.yaml` as separate governance work.
 - Added explicit retry safety to all three built-in Twine command producers and
   exact regressions; full tests, Ruff and governance pass.
+- Recorded exact-head Validator approval, unchanged-tree merge and green
+  post-merge Python 3.12/3.13; closed the implementation lifecycle.