chore(release): v0.9.1

CHANGELOG.md

@@ -7,6 +7,20 @@ change type. Preview the next one with `ludic dev release --dry-run`.
 A released section may carry a hand-written summary paragraph above its groups
 (v0.2.0 has one); the generated bullets below it are not edited by hand.
 
+## v0.9.1 — 2026-09-11
+
+### Fixes
+
+- **`outline_model`'s batch survives the whole frame.** A frame is drawn by more than one
+  pass — a shadow map, a water reflection, the scene — and `actor_draw` runs in each of
+  them. An Actor's rim survives that because it is a field on the actor; the queue did not,
+  because the first pass to run emptied it, so a queued outline was drawn into whichever
+  target happened to come first and was gone by the time the scene was drawn. Nothing
+  appeared, with every uniform, matrix and mesh correct.
+
+  A flush now *closes* the batch rather than clearing it, and the next `outline_model`
+  opens a new one: every pass in a frame sees the same requests, and a caller still needs
+  no frame hook.
 ## v0.9.0 — 2026-09-11
 
 ### Features