v1.150.5

What's New

Fixed

• View jumping while you read scrolled-up - the output list now follows the stream only when the viewport sits at the very bottom, enforced by a write-time position gate that is immune to state-machine races: the moment you scroll up even a few pixels, the next auto-scroll write is refused. Re-arming happens only at the very bottom (was a 150px zone that re-armed while you were still reading just above the stream).
• History refresh yanking the viewport - a mid-turn session refresh no longer swaps live rows for their persisted twins under your reading point; the applied history is held frozen while you read scrolled-up and lands when you return to the bottom, send a message, or switch agents (a prepended older page still applies immediately).
• Streaming growth dragging the view down - anchor corrections are skipped for the last row while you read scrolled-up, so a large streaming response growing at its bottom no longer pulls the viewport with it.
• Sending your own message - sending now explicitly pins the view to the bottom, since the sticky-bottom write gate would otherwise refuse the jump while the viewport is up.

Technical Details

• VirtualizedOutputList adds a stickyBottomRef write-time gate (latched from live scroll position, distanceFromBottom <= 8px) checked by the item-count and totalSize auto-scroll effects, plus a shouldAdjustScrollPositionOnItemSizeChange override that skips anchor correction for the last row while scrolled-up.
• AgentTerminalPane freezes applied history (frozenHistoryRef) while shouldAutoScroll is off, keyed on the head entry uuid so prepended older pages still apply; re-arm zone tightened to <= 8px; handleSendCommand and AgentPanel send now set pinToBottom to force the jump.