new flow for Pi provider/model settings

src/servers/bootstrap.ts

@@ -1,10 +1,72 @@
-import { mkdirSync } from 'node:fs';
-import { DATA_PATH } from './data-path';
+import { mkdirSync, existsSync, copyFileSync } from 'node:fs';
+import { join } from 'node:path';
+import { homedir } from 'node:os';
+import { DATA_PATH, PI_CONFIG_DIR } from './data-path';
 import { syncLocalProvidersToPiConfig } from './api/server-settings/sync-pi-config';
 
 mkdirSync(DATA_PATH, { recursive: true });
+mkdirSync(PI_CONFIG_DIR, { recursive: true });
 
-// Sync local providers to Pi config on startup
-syncLocalProvidersToPiConfig().catch(err => {
-  console.error('Failed to sync local providers to Pi config on startup:', err);
-});
+async function ensurePiInstalled(): Promise<boolean> {
+  try {
+    const proc = Bun.spawn(['pi', '--version'], { stdout: 'pipe', stderr: 'pipe' });
+    await proc.exited;
+    return proc.exitCode === 0;
+  } catch {
+    return false;
+  }
+}
+
+async function installPi(): Promise<boolean> {
+  console.log('[bootstrap] Pi not found, installing...');
+  try {
+    const proc = Bun.spawn(['npm', 'install', '-g', '@mariozechner/pi-coding-agent'], {
+      stdout: 'pipe',
+      stderr: 'pipe',
+    });
+    const stderr = await new Response(proc.stderr).text();
+    await proc.exited;
+    if (proc.exitCode !== 0) {
+      console.error('[bootstrap] Pi installation failed:', stderr.trim());
+      return false;
+    }
+    console.log('[bootstrap] Pi installed successfully');
+    return true;
+  } catch (err) {
+    console.error('[bootstrap] Pi installation error:', err);
+    return false;
+  }
+}
+
+function seedPiConfig(): void {
+  const hostPiDir = join(homedir(), '.pi', 'agent');
+  const filesToCopy = ['models.json', 'settings.json'];
+
+  for (const file of filesToCopy) {
+    const target = join(PI_CONFIG_DIR, file);
+    if (existsSync(target)) continue;
+
+    const source = join(hostPiDir, file);
+    if (existsSync(source)) {
+      copyFileSync(source, target);
+      console.log(`[bootstrap] Seeded ${file} from host Pi config`);
+    }
+  }
+}
+
+(async () => {
+  const installed = await ensurePiInstalled();
+  if (!installed) {
+    const ok = await installPi();
+    if (!ok) {
+      console.error('[bootstrap] Could not install Pi — model discovery will not work');
+      return;
+    }
+  }
+
+  seedPiConfig();
+
+  await syncLocalProvidersToPiConfig().catch(err => {
+    console.error('[bootstrap] Failed to sync local providers to Pi config:', err);
+  });
+})();