diff --git a/TASKS.md b/TASKS.md
index c32da64..6f4812f 100644
--- a/TASKS.md
+++ b/TASKS.md
@@ -12,7 +12,7 @@ Progress truth. Top to bottom, one at a time. A task is ticked only after its co
 
 ## 4. Themes
 
-- [ ] T03 Built-in themes from upstream files; mapping onto Ely's `Palette`; dark-mode choice; tests.
+- [x] T03 Built-in themes from upstream files; mapping onto Ely's `Palette`; dark-mode choice; tests.
 
 ## 5. Terminal engine
 
diff --git a/tasks/reviews.md b/tasks/reviews.md
index 68e6c08..b39d457 100644
--- a/tasks/reviews.md
+++ b/tasks/reviews.md
@@ -11,3 +11,7 @@ Each task gets at most three codex rounds. Each round: the commit, the verdict,
 
 - Round 1, e1770ba: FAIL. One shared temp name let overlapping saves corrupt the file; parse errors lost the field name. Fixed in 83ec4b1: a temp per save (pid, counter, create_new), cleaned on failure; serde_path_to_error names the field; a four-writer test, red on the old save.
 - Round 2, 83ec4b1: PASS.
+
+## T03
+
+- Round 1, 7d4d535: PASS. Theme files match upstream 21f281d byte for byte.