feat: add native Codex hook integration

cmd/elydora/plugins/codex_io.go

@@ -0,0 +1,32 @@
+package plugins
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+)
+
+func codexConfigPath() (string, error) {
+	home, err := os.UserHomeDir()
+	if err != nil {
+		return "", fmt.Errorf("resolve home directory: %w", err)
+	}
+	return filepath.Join(home, ".codex", "hooks.json"), nil
+}
+
+func codexHandler(runtimePath, scriptPath, statusMessage string) map[string]any {
+	return map[string]any{
+		"type":           "command",
+		"command":        quotePOSIXArgument(runtimePath) + " " + quotePOSIXArgument(scriptPath),
+		"commandWindows": quoteWindowsArgument(runtimePath) + " " + quoteWindowsArgument(scriptPath),
+		"timeout":        10,
+		"statusMessage":  statusMessage,
+	}
+}
+
+func codexMatcherGroup(handler map[string]any) map[string]any {
+	return map[string]any{
+		"matcher": "*",
+		"hooks":   []any{handler},
+	}
+}