Google Antigravity CLI 1.1.26

Changelog: Artifact viewer half-page scrolling, workspace picker grouping setting, and SQLite WAL flushing

Adds half-page scrolling (Ctrl+D / Ctrl+U) to the artifact viewer, adds the pickerGrouping configuration setting for /resume, improves Mermaid flowchart ASCII rendering, updates unselected model reasoning defaults to medium, and resolves issues with worktree cleanup, SQLite WAL checkpointing on exit, and subagent approval prompts.

Improvements(5)

• Added half-page scrolling with Ctrl+D and Ctrl+U to the artifact viewer.
• Added the pickerGrouping setting to /config and settings.json to configure the default conversation list view in /resume (flat or grouped by workspace).
• Improved terminal ASCII diagram rendering for Mermaid flowcharts in the artifact viewer and conversation.
• Improved /logout execution time by short-circuiting token removal directly to file storage when keyring storage is bypassed or unreachable.
• Changed unselected model families in the interactive /model picker to default to medium reasoning effort instead of low.

Fixes(4)

• Fixed subagent tasks unexpectedly prompting for tool approval in always-proceed mode while viewing the subagent details panel.
• Fixed orphaned Git worktrees accumulating on disk under .system_generated/worktrees when killing subagents or deleting conversations.
• Fixed SQLite database WAL checkpointing on CLI exit so trailing session metadata updates are flushed to disk before shutdown.
• Fixed customization discovery logging spurious errors when accessing temporary directories or paths outside the active workspace.

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