Merge remote-tracking branch 'public-gh/master'

* public-gh/master:
  Address PR feedback: keep testEnvironment non-destructive, warn on swallowed errors
  Apply suggestion from @greptile-apps[bot]
  Fix opencode-local adapter: parser, UI, CLI, and environment tests
  Rename Invoke button to Run Heartbeat for clarity
  fixing overhanging recommended text in onboarding
  Add Contributing guide
  feat(pi-local): fix bugs, add RPC mode, improve cost tracking and output handling
  fix(sidebar-badges): include approvals in inbox badge count
  feat: add Pi adapter support to constants and onboarding UI
  Adding support for pi-local
  ci: clarify fail-fast lockfile refresh behavior
  ci: remove unnecessary full-history checkout
  ci: fix pnpm lockfile policy checks
  ci: split workflows and move pnpm lockfile ownership to GitHub Actions
  Add License
  fix: use root option in sendFile to avoid dotfile 500 on SPA refresh

# Conflicts:
#	cli/src/adapters/registry.ts
#	pnpm-lock.yaml
#	server/src/adapters/registry.ts
#	ui/package.json
#	ui/src/adapters/registry.ts

server/src/app.ts

@@ -136,7 +136,7 @@ export async function createApp(
     if (uiDist) {
       app.use(express.static(uiDist));
       app.get(/.*/, (_req, res) => {
-        res.sendFile(path.join(uiDist, "index.html"));
+        res.sendFile("index.html", { root: uiDist });
       });
     } else {
       console.warn("[paperclip] UI dist not found; running in API-only mode");