Synced from monorepo

Synced from monorepo

Changes:
- grok-shell: send an expired external-provider credential to the sign-in flow, not a 401 loop
- pager: clickable ▲ jumps to the top of the response being read
- grok-shell: keep a large task log from making the completion message too long
- Plan viewer scrollbar: widen grab zone to the border column; fix striped thumb in Terminal.app
- pager: poll the tmux probe teardown grace instead of sleeping it
- security: vendor-compat MCP kill switch is now actually enforced when reported as on
- grok-shell: restore session eviction when a leader client disconnects
- Bump rust-toolchain to 1.93.0
- workspace: lexical-normalize permission path patterns before glob matching
- pager: reject garbage Enter in the /resume picker
- pager: show Mermaid affordances in plan mode preview
- pager: drop manage-account link from /session-info
- workspace: auto-approve read-only git queries; defer write floor to auto classifier
- Add free-form pattern editor to the "Always allow" command prompt
- grok-shell: fix /btw caching
- pager: Tab walks answers in the ask_user_question card
- External-provider auth refresh: single 7s attempt instead of 3×5s
- pager: don't resurrect finished background tasks as Running when completion arrives first
- pager: report tmux truecolor clamping in Doctor
- Fix plan viewer scrollbar click+drag hijacked by comment gutter
- pager/shell: stop double Recap after the same last turn
- sampler: preserve x-should-retry through stream collection
- pager: clear plan-mode indicator immediately when the user approves a plan
- pager: tmux does not re-read its config on reattach

Source-Revision: 64c4de99cc822b25ce9c54ab5a4f372093d0885d

crates/codegen/xai-grok-pager/docs/user-guide/06-theming.md

@@ -189,7 +189,7 @@ gap_right = 0           # Gap between scrollbar and screen edge (0 = at edge)
 [scrollback.scroll]
 margin = 0                  # Context lines above/below selected entry (0 = edge)
 min_page_fraction = 0       # Minimum scroll as % of viewport (0-100)
-follow_indicator = "center" # "center" = show down-arrow, "none" = hidden
+follow_indicator = "center" # "center" = show the ▼/▲ scroll arrows, "none" = hidden
 follow_auto_select = true   # Auto-select latest entry when following
 follow_by_overscroll = true # Scrolling past bottom engages follow mode
 anchor_on_fold = true       # Keep block header at same screen position when folding