add .claude config folder with Claude-equivalent agent and hook settings

Mirrors .cursor and .codex structure with Claude model assignments:
- haiku for lighter tasks (translator, browser-check, profiler)
- sonnet for standard tasks (code-quality, plan-implementer, etc.)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.claude/hooks.json

@@ -0,0 +1,25 @@
+{
+  "version": 1,
+  "hooks": {
+    "afterFileEdit": [
+      {
+        "command": ".claude/hooks/format.sh",
+        "timeout": 10
+      },
+      {
+        "command": ".claude/hooks/yarn-install.sh",
+        "timeout": 120
+      }
+    ],
+    "stop": [
+      {
+        "command": ".claude/hooks/sync-git-branches.sh",
+        "timeout": 60
+      },
+      {
+        "command": ".claude/hooks/verify.sh",
+        "timeout": 60
+      }
+    ]
+  }
+}