chore(deps): go mod tidy — promote fsnotify to direct

No functional change. Groups yaml.v3 and fsnotify as direct deps,
isolates golang.org/x/sys as indirect.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

VERSION.md

@@ -1,4 +1,15 @@
-# Version actuelle : 0.3.8
+# Version actuelle : 0.3.9
+
+## [0.3.9] - 2026-04-16
+**Type:** Patch — `go mod tidy` (fsnotify direct dep cleanup)
+
+### Modifié
+- `go.mod` : `fsnotify` promu en dépendance directe, `yaml.v3` regroupé, `golang.org/x/sys` isolé en indirect. Aucun changement fonctionnel.
+
+### Tests effectués
+- ✅ Build OK (aucune modification de code)
+
+---
 
 ## [0.3.8] - 2026-04-16
 **Type:** Patch — Bug #1 (A3 flip+ensure inconsistency) + Bug #10 (requiredShared contract test)

go.mod

@@ -2,9 +2,9 @@ module forge.secuaas.ovh/olivier/claude-failover
 
 go 1.22
 
-require gopkg.in/yaml.v3 v3.0.1
-
 require (
-	github.com/fsnotify/fsnotify v1.9.0 // indirect
-	golang.org/x/sys v0.13.0 // indirect
+	github.com/fsnotify/fsnotify v1.9.0
+	gopkg.in/yaml.v3 v3.0.1
 )
+
+require golang.org/x/sys v0.13.0 // indirect