record Phase 0 completion in the restructure plan

Co-Authored-By: Claude Opus 5 <[email protected]>

docs/restructure-plan.md

@@ -388,8 +388,8 @@ Effort marks are rough: **S** ≲1h, **M** a half day, **L** a day or more.
 | 0.2 | Full backup of the tree + separate copy of the scene | done |
 | 0.3 | Commit all uncommitted work in logical slices (§5) | done — 5 commits |
 | 0.4 | Convert `DialogueTest.unity` to text | **blocked** — Editor-UI only, see §0.1 |
-| 0.5 | Tag `pre-restructure` | done |
+| 0.5 | Tag `pre-restructure` (on a green tree, 39/39) | done |
-| 0.6 | Push `main` and the tag to `origin` | pending |
+| 0.6 | Push `main` and the tag to `origin` | done |
 
 0.4 is the one open item and it does not block Phase 1 or 2.
 
@@ -494,7 +494,10 @@ That turned out to matter — four Unity runs followed, one ending in a `SIGILL`
 
 Slices rather than one lump, because the restructure will want to revert *part* of this later.
 
-**Still to do:** push `main` and the tag to `origin`, and the Editor-UI serialization fix (§0.1).
+6. Fixed two wrong expectations in the locomotion math tests (both test bugs, not
+   production bugs); EditMode is **39/39**. Moved the tag onto that green tree and pushed.
+
+**Still to do:** the Editor-UI serialization fix (§0.1). That is the only open Phase 0 item.
 
 ### 5.1 Residual risks after checkpointing