Add cli.js bin wrapper, move index.ts to src/, add scoped bin alias

- Add cli.js placeholder that loads dist/cli.mjs (works before build)
- Move index.ts into src/ for cleaner package root
- Add @varlock/bumpy bin alias so bunx @varlock/bumpy resolves correctly

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

Author: theoephraim

packages/bumpy/cli.js

@@ -0,0 +1,2 @@
+#!/usr/bin/env node
+import('../dist/cli.mjs');

packages/bumpy/index.ts

@@ -3,10 +3,10 @@
   "version": "0.0.0",
   "description": "Modern monorepo versioning and changelog tool",
   "bin": {
-    "@varlock/bumpy": "./dist/cli.mjs",
-    "bumpy": "./dist/cli.mjs"
+    "bumpy": "./cli.js"
   },
   "files": [
+    "cli.js",
     "dist",
     ".claude-plugin",
     "skills"

packages/bumpy/package.json

@@ -0,0 +1,12 @@
+// Re-export core modules for programmatic usage
+export { loadConfig, findRoot, getBumpyDir, matchGlob } from './core/config.ts';
+export { discoverPackages } from './core/workspace.ts';
+export { DependencyGraph } from './core/dep-graph.ts';
+export { readChangesets, parseChangeset, writeChangeset } from './core/changeset.ts';
+export { assembleReleasePlan } from './core/release-plan.ts';
+export { applyReleasePlan } from './core/apply-release-plan.ts';
+export { generateChangelogEntry, loadFormatter, defaultFormatter, prependToChangelog } from './core/changelog.ts';
+export type { ChangelogFormatter, ChangelogContext } from './core/changelog.ts';
+export { bumpVersion, satisfies, stripProtocol } from './core/semver.ts';
+export { publishPackages } from './core/publish-pipeline.ts';
+export * from './types.ts';

packages/bumpy/src/index.ts

@@ -5,7 +5,7 @@ const pkg = JSON.parse(readFileSync('./package.json', 'utf-8'));
 
 export default defineConfig({
   entry: {
-    index: './index.ts',
+    index: './src/index.ts',
     cli: './src/cli.ts',
   },
   format: 'esm',