Synced from monorepo

Synced from monorepo

Changes:
- Temporarily disable session share link creation in the TUI
- Do not approve plan on empty Enter from the revise prompt
- Expose chat product Skills via ACP available_commands_update
- Return immediately from a blocking wait on an already-completed ACP task
- Split headless pager module for clearer structure
- Stop git worktree prune from removing user registrations on resume
- Use compaction sampler tokenizer for item token counts
- Opt-in extra root CAs via GROK_EXTRA_CA_BUNDLE
- Cancel all session subagents when the user stops
- Let the session persistence actor exit when its session ends
- Make fullscreen terminal resize much cheaper on long sessions
- Report honestly from kill_task when an ACP task does not exist
- Hide /usage for external-auth deployments
- Forward the history-load trailer’s computer_reason to the client
- Remove ineffective no-op tool reminder
- Declare slash-command screen-mode support in one place
- Keep settings enum picker on the committed value until Enter
- Reap a PTY’s full process tree
- Stream tool calls from headless mode over ACP
- Bridge gateway task lifecycle to ACP for chat session background tasks
- Don’t warn about truncated history on a suppressed replay
- Fit full-replace summarizer input and recover on context-length errors
- Stop dropping agents over an unrecognized frontmatter color
- Add /undo as a slash alias for /rewind
- Harden sleep/wake token-refresh paths against forced re-login
- Add session/list ACP method
- Give each sampling backend its own conversion module
- Treat an unenrolled child process as a lint error
- Suppress the cancelled marker on send-now wake turns
- Stop tearing down Roslyn on every edit, and read C# diagnostics

Source-Revision: 2a28b4a86cfc4a4c133c35b7fc2a6a9964387c39

crates/codegen/xai-grok-pager/docs/tutorial/05-slash-commands.md

@@ -11,7 +11,7 @@ A few worth knowing on day one:
 | `/new` | Start a fresh session |
 | `/compact` | Compress a long conversation to free up context |
 | `/btw` | Send Grok an aside *without* interrupting its current task |
-| `/rewind` | Restore your files and history to an earlier prompt |
+| `/rewind` (alias `/undo`) | Restore your files and history to an earlier prompt |
 | `/docs` | Full How-to Guides, in the TUI or on the web |
 | `/feedback` | Send feedback to the team |
 
@@ -20,8 +20,8 @@ Two of those deserve a second look:
 - **`/compact`** takes an optional hint: `/compact keep the auth details`.
   Check context usage anytime with `/context` — Grok also auto-compacts
   when the window fills up.
-- **`/rewind`** restores actual file snapshots taken at each prompt, not
-  just the chat.
+- **`/rewind`** (or **`/undo`**) restores actual file snapshots taken at each
+  prompt, not just the chat.
 
 ## The command palette