feat(http-recorder): prepare independent beta release

.changeset/brave-cassettes-record.md

@@ -0,0 +1,5 @@
+---
+"@opencode-ai/http-recorder": minor
+---
+
+Publish the initial beta of the Effect HTTP and WebSocket record/replay library.

.changeset/config.json

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+{
+  "$schema": "https://unpkg.com/@changesets/config@3.1.1/schema.json",
+  "changelog": "@changesets/cli/changelog",
+  "commit": false,
+  "fixed": [],
+  "linked": [],
+  "access": "public",
+  "baseBranch": "dev",
+  "updateInternalDependencies": "patch",
+  "ignore": []
+}