feat(update): add self-update and guided setup

Author: hjun1052

CHANGELOG.md

@@ -7,6 +7,12 @@ and this project follows [Semantic Versioning](https://semver.org/spec/v2.0.0.ht
 
 ## [Unreleased]
 
+## [0.1.4] - 2026-03-11
+
+### Added
+- `xgit update` for release checks and self-updates on macOS/Linux.
+- Guided first-run setup via `xgit init --wizard` with numbered prompts and readiness hints.
+
 ## [0.1.3] - 2026-03-10
 
 ### Added

README.md

@@ -15,19 +15,31 @@ xgit — AI-powered Git workflows: resolve conflicts, debug regressions, and rev
 curl -fsSL https://raw.githubusercontent.com/hjun1052/xgit/main/scripts/install.sh | bash
 ```
 
+The installer now offers a guided setup wizard by default. For unattended installs, use:
+
+```bash
+curl -fsSL https://raw.githubusercontent.com/hjun1052/xgit/main/scripts/install.sh | XGIT_GUIDED_SETUP=never bash
+```
+
 ### Windows PowerShell
 
 ```powershell
 irm https://raw.githubusercontent.com/hjun1052/xgit/main/scripts/install.ps1 | iex
 ```
 
+For unattended installs on Windows:
+
+```powershell
+$env:XGIT_GUIDED_SETUP = "never"; irm https://raw.githubusercontent.com/hjun1052/xgit/main/scripts/install.ps1 | iex
+```
+
 ### From source
 
 ```bash
 git clone https://github.com/hjun1052/xgit.git
 cd xgit
 go build -o xgit ./cmd/xgit
-./xgit init --provider mock --non-interactive
+./xgit init --wizard
 ```
 
 ## Quick demo
@@ -147,6 +159,7 @@ In short: **xgit is not a new VCS**. It is a practical AI layer over the Git you
   - `xgit test-fix`: propose and validate fixes for failing tests
   - `xgit doc`: generate/update project docs
   - `xgit auto`: state-aware automation (conflict/test/diff driven)
+  - `xgit update`: check the latest release and self-update on macOS/Linux
 
 - **Workflow scaling**
   - `xgit alias`: compose multiple xgit commands into one reusable command
@@ -172,8 +185,9 @@ In short: **xgit is not a new VCS**. It is a practical AI layer over the Git you
 ### 1) Initial setup
 
 ```bash
-xgit init --provider codex-cli --non-interactive
+xgit init --wizard
 # or:
+xgit init --provider codex-cli --non-interactive
 xgit config set provider openai
 xgit config set api-key-env openai OPENAI_API_KEY
 ```
@@ -198,6 +212,9 @@ xgit explain history main..HEAD --limit 40
 
 # Ask xgit which Git commands to run
 xgit do-git compare my branch with main before I merge
+
+# Check for the latest release
+xgit update --check
 ```
 
 ### 3) High-impact workflows

cmd/alias.go

@@ -186,6 +186,7 @@ var reservedAliasNames = map[string]bool{
 	"alias":         true,
 	"init":          true,
 	"version":       true,
+	"update":        true,
 	"commit":        true,
 	"auto":          true,
 	"enhance":       true,

cmd/command_flags_test.go

@@ -103,4 +103,20 @@ func TestCommandFlagDefaults(t *testing.T) {
 			t.Fatalf("expected compare --path default empty, got %v", got)
 		}
 	})
+
+	t.Run("update defaults", func(t *testing.T) {
+		c := newUpdateCommand()
+		if got, _ := c.Flags().GetString("repo"); got != "hjun1052/xgit" {
+			t.Fatalf("expected update --repo default hjun1052/xgit, got %q", got)
+		}
+		if got, _ := c.Flags().GetString("version"); got != "latest" {
+			t.Fatalf("expected update --version default latest, got %q", got)
+		}
+		if got, _ := c.Flags().GetBool("check"); got {
+			t.Fatalf("expected update --check default false")
+		}
+		if got, _ := c.Flags().GetBool("yes"); got {
+			t.Fatalf("expected update --yes default false")
+		}
+	})
 }