update sessions/0026/SESSION-0026.0-TRANSCRIPT-2026-06-27T15-26--INPROGRESS.md

sessions/0026/SESSION-0026.0-TRANSCRIPT-2026-06-27T15-26--INPROGRESS.md

@@ -71,6 +71,21 @@ Pure scrub logic kept separable + unit-tested; Playwright E2E extended to assert
   loop-normalized tracked label (`appear 0.0`/`disappear 0.7` + 3-keyframe track) is now slightly misaligned to
   the subject. It's demo/test material gated behind both knobs up; left as-is — re-author via `/author.html` if
   the operator wants it pixel-accurate.
+### Eyeball round 2 — 2 more items, both FIXED (2 commits)
+
+- **Fix 3 — morph→loop load jolt (double-buffer).** A pause/jolt when the morph ended and the next altitude's
+  loop loaded: swapping `vid.src` to the base + seeking the tail reloaded the ON-SCREEN element (decode+seek
+  stall). Added a dedicated `#vid-loop` element for the steady-state base loop; during a scrub it is PRELOADED to
+  the clip we're heading toward (`loadLoop`, paused at the tail frame). The paint shader reads the active source
+  (`displayVid() = busy ? vid : loopVid`), so landing is an instant source swap — no reload, no seek. E2E asserts
+  the loop element is armed + playing from ~3s after landing.
+- **Fix 4 — audio on/off → 0–10 level dial.** Replaced the Audio checkbox with a 0–10 range slider = master gain
+  (`audioVol = level/10`), scaling rest volume + the two-track scrub crossfade. First Video-on lifts audio to
+  **3/10** (was full). E2E: range 0–10 default 0; first video-on → 3.
+- **Verification:** Playwright **9 green** · node unit 9 · screenshot-confirmed the dial layout.
+- **D3 residual still applies:** double-buffer kills the LOAD pause both directions; the reverse/turn-back FRAME
+  asymmetry (morph src-start@0 vs loop tail@3s) and the ~loop-wrap seek remain (per-clip loop files would fully
+  resolve if wanted).
 - **Resume:** merge + `wgl-session-finalize` on operator go, OR next eyeball round of tweaks.
 
 ## Deferred decisions