docs: HANDOFF — record the push (main == origin/main)

HANDOFF.md

@@ -2,7 +2,9 @@
 
 ## Branch / Commit State
 
-**`main`**, clean tree, **4 local commits NOT pushed** (await user "push"):
+**`main`**, clean tree, **pushed to `origin/main` through `b4f3b52`** (user "push", 2026-09-01).
+Session's five commits:
+- `b4f3b52` — docs: HANDOFF rewrite (this file, pre-push state)
 - `6799c40` — fix: first-native-launch crash (3 stacked faults) + RoundClip test root-caused → green
 - `711ba54` — docs: HANDOFF rewrite + TASK 21 picker spec imported into TASKS.md
 - `e1d8b10` — docs: v1 = feature-complete ruling; TASKs 32–36; out-of-product list; map-lie fixes
@@ -41,7 +43,7 @@ MARCOM → TASK 36 gold pass, per "v1 execution order" in TASKS.md.
 
 ## Landmines
 
-- 4 unpushed commits — `git log origin/main..main` before assuming remote state.
+- Remote state: `main` == `origin/main` at `b4f3b52` (+ this push). Re-check `git log origin/main..main` after any further commits.
 - Stale `testhost` can lock ytLive.dll (MSB3027) → `taskkill /PID N /F` via cmd.exe.
 - WSL cannot spawn Linux ffmpeg from the Windows CLR shim; contract verification recipe + static
   ffmpeg live at `/tmp/opencode/` (MyMistakes has the how-to).