feat(cli): talk version as a subcommand

A bare `talk version` was spoken as an announcement because only the
--version flag existed. The subcommand prints the same line.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

cmd/talk/cli.go

@@ -112,6 +112,15 @@ var commands = []command{
 		detail:  "Asks a few questions for what talk needs to get going: keys (optional; without a key the free Edge voice speaks), a voice per language with preview, quiet hours, and writes config.toml (an existing file is merged, backup .bak). Without a terminal: only shows the effective configuration.",
 		handler: runSetup,
 	},
+	{
+		name:   "version",
+		short:  "show the version",
+		detail: "Prints the version and, when built from git, the commit. Same as `talk --version`; exists so that a bare `talk version` is not spoken as an announcement.",
+		handler: func(_ []string, _ *sayOptions, _ io.Reader, stdout, _ io.Writer) int {
+			fmt.Fprintln(stdout, versionString())
+			return exitOK
+		},
+	},
 }
 
 // addSayFlags registers the say flags and binds them to the returned options

cmd/talk/cli_test.go

@@ -52,6 +52,18 @@ func TestVersionDefault(t *testing.T) {
 	}
 }
 
+// TestVersionSubcommand: `talk version` prints the version instead of
+// speaking the word.
+func TestVersionSubcommand(t *testing.T) {
+	var out, errBuf bytes.Buffer
+	if code := runCLI([]string{"version"}, &out, &errBuf); code != exitOK {
+		t.Fatalf("version: exit code = %d, stderr %q", code, errBuf.String())
+	}
+	if got, want := out.String(), versionString()+"\n"; got != want {
+		t.Errorf("version output = %q, want %q", got, want)
+	}
+}
+
 func TestVersionStringWithCommit(t *testing.T) {
 	oldCommit := commit
 	commit = "c0ffee1"