diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1f7b5f6a..84578110 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -272,7 +272,7 @@ Patch release that fixes two related but distinct bugs surfaced by [#84](https:/
 
 ## [0.3.0](https://github.com/tableau/hyper-api-rust/compare/v0.2.3...v0.3.0) (2026-05-29)
 
-This release aggregates a coordinated set of breaking and additive API changes that landed across four PRs during the v0.3.0 bundle window. See [MIGRATING-0.3.md](./MIGRATING-0.3.md) for complete migration recipes covering every change.
+This release aggregates a coordinated set of breaking and additive API changes that landed across four PRs during the v0.3.0 bundle window. See [MIGRATING-0.3.md](./docs/superpowers/specs/MIGRATING-0.3.md) for complete migration recipes covering every change.
 
 ### ⚠ BREAKING CHANGES
 
diff --git a/MIGRATING-0.3.md b/docs/superpowers/specs/MIGRATING-0.3.md
similarity index 100%
rename from MIGRATING-0.3.md
rename to docs/superpowers/specs/MIGRATING-0.3.md
diff --git a/package-lock.json b/package-lock.json
deleted file mode 100644
index 0c07f783..00000000
--- a/package-lock.json
+++ /dev/null
@@ -1,55 +0,0 @@
-{
-  "name": "hyper-api-rust-copy",
-  "lockfileVersion": 3,
-  "requires": true,
-  "packages": {
-    "": {
-      "dependencies": {
-        "hyperdb-mcp": "file:hyperdb-mcp/npm/hyperdb-mcp-0.1.0.tgz",
-        "hyperdb-mcp-darwin-arm64": "file:hyperdb-mcp/npm/darwin-arm64/hyperdb-mcp-darwin-arm64-0.1.0.tgz"
-      }
-    },
-    "node_modules/hyperdb-mcp": {
-      "version": "0.1.0",
-      "resolved": "file:hyperdb-mcp/npm/hyperdb-mcp-0.1.0.tgz",
-      "integrity": "sha512-W4vyBVGoxRW2fdBc/M6RlFOw9Mo+/dqfbykUFuP9MPP4chpwJAU06xj+5BEFprvOmNAAO4dn44ZZ+BxCKCH4Wg==",
-      "license": "MIT OR Apache-2.0",
-      "bin": {
-        "hyperdb-mcp": "bin.js"
-      },
-      "engines": {
-        "node": ">= 18"
-      },
-      "optionalDependencies": {
-        "hyperdb-mcp-darwin-arm64": "0.1.0",
-        "hyperdb-mcp-darwin-x64": "0.1.0",
-        "hyperdb-mcp-linux-x64-gnu": "0.1.0",
-        "hyperdb-mcp-win32-x64-msvc": "0.1.0"
-      }
-    },
-    "node_modules/hyperdb-mcp-darwin-arm64": {
-      "version": "0.1.0",
-      "resolved": "file:hyperdb-mcp/npm/darwin-arm64/hyperdb-mcp-darwin-arm64-0.1.0.tgz",
-      "integrity": "sha512-RXtI+xl8eGczTGjWXgJDwH75kmeSa7R+P78qZ9S2vTsf1mAIpMHJcywbfiI+tQ93zTsduCLmuKnWwbfaRO5sqA==",
-      "cpu": [
-        "arm64"
-      ],
-      "license": "MIT OR Apache-2.0",
-      "os": [
-        "darwin"
-      ],
-      "engines": {
-        "node": ">= 18"
-      }
-    },
-    "node_modules/hyperdb-mcp/node_modules/hyperdb-mcp-darwin-x64": {
-      "optional": true
-    },
-    "node_modules/hyperdb-mcp/node_modules/hyperdb-mcp-linux-x64-gnu": {
-      "optional": true
-    },
-    "node_modules/hyperdb-mcp/node_modules/hyperdb-mcp-win32-x64-msvc": {
-      "optional": true
-    }
-  }
-}
diff --git a/package.json b/package.json
deleted file mode 100644
index 4740668d..00000000
--- a/package.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-  "dependencies": {
-    "hyperdb-mcp": "file:hyperdb-mcp/npm/hyperdb-mcp-0.1.0.tgz",
-    "hyperdb-mcp-darwin-arm64": "file:hyperdb-mcp/npm/darwin-arm64/hyperdb-mcp-darwin-arm64-0.1.0.tgz"
-  }
-}
diff --git a/scripts/setup-branch-protection.sh b/scripts/setup-branch-protection.sh
deleted file mode 100755
index 3b9f36e3..00000000
--- a/scripts/setup-branch-protection.sh
+++ /dev/null
@@ -1,55 +0,0 @@
-#!/usr/bin/env bash
-#
-# One-shot setup for branch protection on `main`. Idempotent — safe to
-# re-run when the required-checks list changes. Requires `gh` CLI
-# authenticated with the `repo` scope (the default for `gh auth login`)
-# and admin access to the repo.
-#
-# Required checks below are the jobs from ci.yml that run on every PR.
-# verify-hyperd-pin.yml's `verify` is intentionally omitted because it's
-# paths-filtered and would block unrelated PRs. release.yml's jobs are
-# tag-triggered and never run on PRs.
-
-set -euo pipefail
-
-BRANCH="${BRANCH:-main}"
-REPO="${REPO:-$(gh repo view --json nameWithOwner -q .nameWithOwner)}"
-
-# Job names must match exactly what appears in the PR "Checks" tab.
-# Matrix jobs use `<name> (<matrix-value>)`.
-CONTEXTS=(
-  "rustfmt"
-  "clippy"
-  "test (ubuntu-latest)"
-  "test (macos-14)"
-  "test (windows-latest)"
-  "publish dry-run"
-)
-
-# Build the contexts JSON array
-contexts_json=$(printf '%s\n' "${CONTEXTS[@]}" | jq -R . | jq -s .)
-
-echo "Configuring branch protection on $REPO:$BRANCH"
-echo "Required checks:"
-printf '  - %s\n' "${CONTEXTS[@]}"
-echo
-
-gh api \
-  --method PUT \
-  "repos/$REPO/branches/$BRANCH/protection" \
-  --input - <<EOF
-{
-  "required_status_checks": {
-    "strict": true,
-    "contexts": $contexts_json
-  },
-  "enforce_admins": false,
-  "required_pull_request_reviews": null,
-  "restrictions": null,
-  "allow_force_pushes": false,
-  "allow_deletions": false
-}
-EOF
-
-echo
-echo "Done. Verify at https://github.com/$REPO/settings/branches"