docs: update copilot-cli content from source docs (#61539)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: Anne-Marie <102995847+am-stead@users.noreply.github.com>
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: 4 people

content/copilot/reference/copilot-cli-reference/acp-server.md

@@ -32,6 +32,9 @@ The Agent Client Protocol (ACP) is a protocol that standardizes communication be
 
 {% data variables.copilot.copilot_cli %} can be started as an ACP server using the `--acp` flag. The server supports two modes, `stdio` and `TCP`.
 
+> [!NOTE]
+> When running in ACP mode, the tool-filtering flags (`--available-tools`, `--excluded-tools`) and the reasoning flag (`--effort`, `--reasoning-effort`) are applied to each session started by the ACP client.
+
 ### stdio mode (recommended for IDE integration)
 
 By default, when providing the `--acp` flag, `stdio` mode will be inferred. The `--stdio` flag can also be provided for disambiguation.

content/copilot/reference/copilot-cli-reference/cli-command-reference.md

@@ -20,7 +20,7 @@ docsTeamMetrics:
 |------------------------|----------------------------------------------------|
 | `copilot`              | Launch the interactive user interface.             |
 | `copilot completion SHELL` | Print a shell script for the chosen shell that can be used to enable tab completion for {% data variables.copilot.copilot_cli_short %}. Supported shells: `bash`, `zsh`, `fish`. See [Using `copilot completion`](#using-copilot-completion). |
-| `copilot help [TOPIC]` | Display help information. Help topics include: `config`, `commands`, `environment`, `logging`, `monitoring`, `permissions`, and `providers`. |
+| `copilot help [TOPIC]` | Display help information. Help topics include: `billing`, `config`, `commands`, `environment`, `logging`, `monitoring`, `permissions`, and `providers`. |
 | `copilot init`         | Initialize {% data variables.product.prodname_copilot_short %} custom instructions for this repository. |
 | `copilot login`        | Authenticate with {% data variables.product.prodname_copilot_short %} via the OAuth device flow. Accepts `--host HOST` to specify the {% data variables.product.github %} host URL (default: `https://github.com`). |
 | `copilot login` [OPTION] | Authenticate with {% data variables.product.prodname_copilot_short %} via the OAuth device flow. See [`copilot login` options](#copilot-login-options). |
@@ -241,7 +241,7 @@ Holding <kbd>↑</kbd> or <kbd>↓</kbd> accelerates scrolling after the first 1
 | `/rubber-duck [PROMPT]`                             | Consult the rubber duck agent for a second opinion on plans, code, and tests. See [AUTOTITLE](/copilot/concepts/agents/copilot-cli/rubber-duck). |
 | `/sandbox [enable\|disable]`                        | Configure shell command sandboxing. |
 | `/search [QUERY]`, `/find [QUERY]`                  | Search the conversation timeline. {% data reusables.copilot.experimental %} |
-| `/session [info\|checkpoints [n]\|files\|plan\|rename [NAME]\|cleanup\|prune\|delete [ID]\|delete-all]`, `/sessions [info\|checkpoints [n]\|files\|plan\|rename [NAME]\|cleanup\|prune\|delete [ID]\|delete-all]`  | Show session information and manage sessions. Subcommands: `info`, `checkpoints`, `files`, `plan`, `rename`, `cleanup`, `prune`, `delete`, `delete-all`. |
+| `/session [info\|checkpoints [n]\|files\|plan\|rename [NAME]\|cleanup\|prune\|delete [ID]\|delete-all]`, `/sessions [info\|checkpoints [n]\|files\|plan\|rename [NAME]\|cleanup\|prune\|delete [ID]\|delete-all]`  | Show session information and manage sessions. The `info` subcommand shows session details including the session link (when available). Subcommands: `info`, `checkpoints`, `files`, `plan`, `rename`, `cleanup`, `prune`, `delete`, `delete-all`. |
 | `/share [file\|html\|gist] [session\|research] [PATH]`, `/export [file\|html\|gist] [session\|research] [PATH]` | Share the session to a Markdown file, interactive HTML file, or {% data variables.product.github %} gist. |
 | `/skills [list\|info\|add\|remove\|reload] [ARGS...]`   | Manage skills for enhanced capabilities. See [AUTOTITLE](/copilot/how-tos/copilot-cli/customize-copilot/create-skills). |
 | `/statusline`, `/footer`                            | Configure which items appear in the status line. |
@@ -312,7 +312,7 @@ For a complete list of available slash commands enter `/help` in the CLI's inter
 | `--plain-diff`                     | Disable rich diff rendering (syntax highlighting via the diff tool specified by your git config). |
 | `--plugin-dir=DIRECTORY`           | Load a plugin from a local directory (can be used multiple times). |
 | `--remote`                         | Enable remote access to this session from {% data variables.product.prodname_dotcom_the_website %} and {% data variables.product.prodname_mobile %}. See [AUTOTITLE](/copilot/how-tos/copilot-cli/use-copilot-cli/steer-remotely). |
-| `--resume[=VALUE]`                 | Resume a previous interactive session by choosing from a list. Optionally specify a session ID, ID prefix, or session name. Name matching is exact and case-insensitive; falls back to the auto-generated summary when no explicit name matches. |
+| `-r`, `--resume[=VALUE]`           | Resume a previous interactive session by choosing from a list. Optionally specify a session ID, ID prefix, or session name. Name matching is exact and case-insensitive; falls back to the auto-generated summary when no explicit name matches. |
 | `-s`, `--silent`                   | Output only the agent response (without usage statistics), useful for scripting with `-p`. |
 | `--screen-reader`                  | Enable screen reader optimizations. |
 | `--secret-env-vars=VAR ...`        | Redact an environment variable from shell and MCP server environments (can be used multiple times). For multiple variables, use a quoted, comma-separated list. The values in the `GITHUB_TOKEN` and `COPILOT_GITHUB_TOKEN` environment variables are redacted from output by default. |
@@ -329,6 +329,24 @@ For a complete list of commands and options, run `copilot help`.
 
 You can use `--remote` with `--resume <TASK-ID>` to resume a remote task locally. This works even when the task was originally created outside a Git repository.
 
+> [!NOTE]
+> When `permissions.disableBypassPermissionsMode` is set to `"disable"` in your settings, all allow-all flags (`--allow-all-tools`, `--allow-all-paths`, `--allow-all-urls`, `--allow-all`, `--yolo`) are suppressed at startup and cannot be used to grant elevated permissions.
+
+## Supported models
+
+Use `--model=MODEL` or the `COPILOT_MODEL` environment variable to select the AI model. Pass `auto` to let {% data variables.product.prodname_copilot_short %} pick the best available model automatically.
+
+| Model | Best for |
+|-------|----------|
+| `claude-sonnet-4.6` | General-purpose coding (default) |
+| `gpt-5.4` | Complex reasoning tasks |
+| `claude-haiku-4.5` | Fast, lightweight operations |
+| `gpt-5.3-codex` | Code-focused tasks |
+| `gemini-3.1-pro-preview` | Google Gemini reasoning |
+| `gemini-3.5-flash` | Fast Google Gemini responses |
+
+You can also switch models during an interactive session using the `/model` slash command.
+
 ## Tool availability values
 
 The `--available-tools` and `--excluded-tools` options support these values:
@@ -408,6 +426,7 @@ copilot --allow-tool='MyMCP'
 | `COPILOT_CACHE_HOME` | Override the cache directory (used for marketplace caches, auto-update packages, and other ephemeral data). See [AUTOTITLE](/copilot/reference/copilot-cli-reference/cli-config-dir-reference#changing-the-location-of-the-configuration-directory) for platform defaults. |
 | `COPILOT_CUSTOM_INSTRUCTIONS_DIRS` | Comma-separated list of additional directories for custom instructions. |
 | `COPILOT_EDITOR` | Editor command for interactive editing (checked after `$VISUAL` and `$EDITOR`). Defaults to `vi` if none are set. |
+| `COPILOT_ENABLE_HTTP2` | Set to `1` or `true` to opt into HTTP/2 transport. HTTP/1.1 is the default. |
 | `COPILOT_GH_HOST` |{% data variables.product.github %} hostname for {% data variables.copilot.copilot_cli_short %} only, overriding `GH_HOST`. Use when `GH_HOST` targets {% data variables.product.prodname_ghe_server %} but {% data variables.product.prodname_copilot_short %} needs to authenticate against {% data variables.product.prodname_dotcom_the_website %} or a {% data variables.product.prodname_ghe_cloud %} hostname. |
 | `COPILOT_GITHUB_TOKEN` | Authentication token. Takes precedence over `GH_TOKEN` and `GITHUB_TOKEN`. |
 | `COPILOT_HOME` | Override the configuration and state directory. Default: `$HOME/.copilot`. |

content/copilot/reference/copilot-cli-reference/cli-config-dir-reference.md

@@ -241,6 +241,7 @@ These settings apply across all your sessions and repositories. You can edit thi
 | `mergeStrategy` | `"rebase"` \| `"merge"` | — | Conflict resolution strategy for `/pr fix conflicts`. When set to `"rebase"`, conflicts are resolved by rebasing onto the base branch. When set to `"merge"`, the base branch is merged into the feature branch. If not configured, a picker dialog is shown. |
 | `model` | `string` | varies | AI model to use. Set to `"auto"` to let {% data variables.product.prodname_copilot_short %} pick the best available model automatically. Managed by the `/model` slash command. |
 | `mouse` | `boolean` | `true` | Enable mouse support in alt screen mode. Can also be set with `--mouse` or `--no-mouse`. |
+| `permissions.disableBypassPermissionsMode` | `string` | — | When set to `"disable"`, all allow-all flags (`--allow-all-tools`, `--allow-all-paths`, `--allow-all-urls`, `--allow-all`, `--yolo`) are suppressed at startup and cannot be used to grant elevated permissions. |
 | `powershellFlags` | `string[]` | `["-NoProfile", "-NoLogo"]` | Flags passed to PowerShell on startup. On Windows, the CLI prefers PowerShell 7+ (`pwsh`) and falls back to Windows PowerShell (`powershell.exe`) when `pwsh` is unavailable. Windows only. |
 | `remote` | `"on"` \| `"off"` | `"on"` | Controls session syncing and remote access. Set to `"off"` to keep session data local only and disable remote control. Can also be set with `--remote` or `--no-remote`. |
 | `renderMarkdown` | `boolean` | `true` | Render Markdown in terminal output. |

src/content-pipelines/state/copilot-cli.sha

@@ -1 +1 @@
-cb4c40cf4c55ea965aa476893bd504298b2ecfb4
+433f0a85a4d48d0ffc48e45dab2e3c4f13ce9510