[bot] Add Copilot CLI v1.0.81 features documentation (Aug 2026)

01-setup-and-first-steps/README.md

@@ -417,6 +417,8 @@ That's it for getting started! As you become comfortable, you can explore additi
 | `/settings` | Open an interactive dialog to browse and edit all user settings in one place |
 | `/skills` | Manage skills for enhanced capabilities |
 
+> 💡 **Set your default startup mode**: In `/settings`, look for `defaultMode` to choose which mode Copilot opens in by default (interactive, plan, or autopilot). You can also set `defaultPermissionMode` to control how Copilot handles permission prompts across all new sessions — handy if you find yourself changing these settings repeatedly.
+
 > 💡 Agents are covered in [Chapter 04](../04-agents-custom-instructions/README.md), skills are covered in [Chapter 05](../05-skills/README.md), and MCP servers are covered in [Chapter 06](../06-mcp-servers/README.md).
 
 ### Models and Subagents
@@ -481,6 +483,8 @@ That's it for getting started! As you become comfortable, you can explore additi
 | `/theme` | View or set terminal theme |
 | `/voice` | Dictate your prompt using local speech-to-text — speak naturally instead of typing |
 
+> 💡 **Ctrl+Space for voice**: You can also press **Ctrl+Space** as a keyboard shortcut to toggle voice dictation on and off, without having to type `/voice`.
+
 ### Help and Feedback
 
 | Command | What It Does |
@@ -490,6 +494,8 @@ That's it for getting started! As you become comfortable, you can explore additi
 | `/feedback` | Submit feedback to GitHub |
 | `/help` | Show all available commands |
 
+> 💡 **`copilot app` from the terminal**: You can also run `copilot app` directly from your terminal (before starting a session) to open the GitHub Copilot app in the current directory — no need to start an interactive session first.
+
 ### Quick Shell Commands
 
 Run shell commands directly without AI by prefixing with `!`:

02-context-conversations/README.md

@@ -465,6 +465,8 @@ Issue #1 (duplicate functions) was fixed on Monday.
 
 No re-explaining. No re-reading files. Just continue working.
 
+> 💡 **Session restore after a crash or restart**: If the CLI crashes or your machine restarts while a session is open, Copilot will offer to restore those sessions the next time you start it. You'll see a prompt asking if you'd like to pick up where you left off — no manual `--resume` needed.
+
 ---
 
 **🎉 You now know the essentials!** The `@` syntax, session management (`--name`/`--continue`/`--resume`/`/rename`), and context commands (`/context`/`/clear`) are enough to be highly productive. Everything below is optional. Return to it when you're ready.

05-skills/README.md

@@ -304,6 +304,9 @@ Copilot automatically scans these locations for skills:
 |----------|-------|
 | `.github/skills/` | Project-specific (shared with team via git) |
 | `~/.copilot/skills/` | User-specific (your personal skills) |
+| Directories added with `--add-dir` | Any extra directories you pass at startup (e.g., `copilot --add-dir ~/my-tools`) |
+
+> 💡 **Skills from extra directories**: If you start Copilot with `--add-dir`, any `.github/skills/` folders inside those directories are automatically scanned too. This means you can maintain a shared folder of skills and point multiple projects at it, without copying files around. The same applies to custom agents.
 
 ### Skill Structure