refactor: rename Tool.alpha to Tool.experimental

.claude/hooks/post-edit-format.js

@@ -0,0 +1,21 @@
+const fs = require("node:fs");
+const { execFileSync } = require("node:child_process");
+const path = require("node:path");
+
+const input = JSON.parse(fs.readFileSync("/dev/stdin", "utf8"));
+const filePath = input.tool_input?.file_path || "";
+const formattable = /\.(ts|tsx|js|jsx|json)$/;
+
+if (filePath && formattable.test(filePath) && fs.existsSync(filePath)) {
+  const projectRoot = path.resolve(__dirname, "..", "..");
+  const biomeBin = path.join(projectRoot, "node_modules", ".bin", "biome");
+
+  try {
+    execFileSync(biomeBin, ["check", "--write", filePath], {
+      stdio: "pipe",
+      cwd: projectRoot,
+    });
+  } catch {
+    // Format failures are non-blocking
+  }
+}