fix: harden browse install and lifecycle checks

browse/src/cli.ts

@@ -18,13 +18,39 @@ const BROWSE_PORT = process.env.CONDUCTOR_PORT
   : parseInt(process.env.BROWSE_PORT || '0', 10);
 const INSTANCE_SUFFIX = BROWSE_PORT ? `-${BROWSE_PORT}` : '';
 const STATE_FILE = process.env.BROWSE_STATE_FILE || `/tmp/browse-server${INSTANCE_SUFFIX}.json`;
-// When compiled, import.meta.dir is virtual. Use env var or well-known path.
-const SERVER_SCRIPT = process.env.BROWSE_SERVER_SCRIPT
-  || (import.meta.dir.startsWith('/') && !import.meta.dir.includes('$bunfs')
-    ? path.resolve(import.meta.dir, 'server.ts')
-    : path.resolve(process.env.HOME || '/tmp', '.claude/skills/gstack/browse/src/server.ts'));
 const MAX_START_WAIT = 8000; // 8 seconds to start
 
+export function resolveServerScript(
+  env: Record<string, string | undefined> = process.env,
+  metaDir: string = import.meta.dir,
+  execPath: string = process.execPath
+): string {
+  if (env.BROWSE_SERVER_SCRIPT) {
+    return env.BROWSE_SERVER_SCRIPT;
+  }
+
+  // Dev mode: cli.ts runs directly from browse/src
+  if (metaDir.startsWith('/') && !metaDir.includes('$bunfs')) {
+    const direct = path.resolve(metaDir, 'server.ts');
+    if (fs.existsSync(direct)) {
+      return direct;
+    }
+  }
+
+  // Compiled binary: derive the source tree from browse/dist/browse
+  if (execPath) {
+    const adjacent = path.resolve(path.dirname(execPath), '..', 'src', 'server.ts');
+    if (fs.existsSync(adjacent)) {
+      return adjacent;
+    }
+  }
+
+  // Legacy fallback for user-level installs
+  return path.resolve(env.HOME || '/tmp', '.claude/skills/gstack/browse/src/server.ts');
+}
+
+const SERVER_SCRIPT = resolveServerScript();
+
 interface ServerState {
   pid: number;
   port: number;
@@ -215,7 +241,9 @@ Refs:           After 'snapshot', use @e1, @e2... as selectors:
   await sendCommand(state, command, commandArgs);
 }
 
-main().catch((err) => {
-  console.error(`[browse] ${err.message}`);
-  process.exit(1);
-});
+if (import.meta.main) {
+  main().catch((err) => {
+    console.error(`[browse] ${err.message}`);
+    process.exit(1);
+  });
+}

browse/test/commands.test.ts

@@ -8,6 +8,7 @@
 import { describe, test, expect, beforeAll, afterAll } from 'bun:test';
 import { startTestServer } from './test-server';
 import { BrowserManager } from '../src/browser-manager';
+import { resolveServerScript } from '../src/cli';
 import { handleReadCommand } from '../src/read-commands';
 import { handleWriteCommand } from '../src/write-commands';
 import { handleMetaCommand } from '../src/meta-commands';
@@ -420,33 +421,70 @@ describe('Status', () => {
   });
 });
 
-// ─── CLI retry guard ────────────────────────────────────────────
+// ─── CLI server script resolution ───────────────────────────────
 
-describe('CLI retry guard', () => {
-  test('sendCommand aborts after repeated connection failures', async () => {
-    // Write a fake state file pointing to a port that refuses connections
-    const stateFile = '/tmp/browse-server.json';
-    const origState = fs.existsSync(stateFile) ? fs.readFileSync(stateFile, 'utf-8') : null;
+describe('CLI server script resolution', () => {
+  test('prefers adjacent browse/src/server.ts for compiled project installs', () => {
+    const root = fs.mkdtempSync('/tmp/gstack-cli-');
+    const execPath = path.join(root, '.claude/skills/gstack/browse/dist/browse');
+    const serverPath = path.join(root, '.claude/skills/gstack/browse/src/server.ts');
 
-    fs.writeFileSync(stateFile, JSON.stringify({ port: 1, token: 'fake', pid: 999999 }));
+    fs.mkdirSync(path.dirname(execPath), { recursive: true });
+    fs.mkdirSync(path.dirname(serverPath), { recursive: true });
+    fs.writeFileSync(serverPath, '// test server\n');
+
+    const resolved = resolveServerScript(
+      { HOME: path.join(root, 'empty-home') },
+      '$bunfs/root',
+      execPath
+    );
+
+    expect(resolved).toBe(serverPath);
+
+    fs.rmSync(root, { recursive: true, force: true });
+  });
+});
+
+// ─── CLI lifecycle ──────────────────────────────────────────────
+
+describe('CLI lifecycle', () => {
+  test('dead state file triggers a clean restart', async () => {
+    const stateFile = `/tmp/browse-test-state-${Date.now()}.json`;
+    fs.writeFileSync(stateFile, JSON.stringify({
+      port: 1,
+      token: 'fake',
+      pid: 999999,
+    }));
 
     const cliPath = path.resolve(__dirname, '../src/cli.ts');
-    const result = await new Promise<{ code: number; stderr: string }>((resolve) => {
+    const result = await new Promise<{ code: number; stdout: string; stderr: string }>((resolve) => {
       const proc = spawn('bun', ['run', cliPath, 'status'], {
         timeout: 15000,
-        env: { ...process.env },
+        env: {
+          ...process.env,
+          BROWSE_STATE_FILE: stateFile,
+          BROWSE_PORT_START: '9520',
+        },
       });
+      let stdout = '';
       let stderr = '';
+      proc.stdout.on('data', (d) => stdout += d.toString());
       proc.stderr.on('data', (d) => stderr += d.toString());
-      proc.on('close', (code) => resolve({ code: code ?? 1, stderr }));
+      proc.on('close', (code) => resolve({ code: code ?? 1, stdout, stderr }));
     });
 
-    // Restore original state file
-    if (origState) fs.writeFileSync(stateFile, origState);
-    else if (fs.existsSync(stateFile)) fs.unlinkSync(stateFile);
+    let restartedPid: number | null = null;
+    if (fs.existsSync(stateFile)) {
+      restartedPid = JSON.parse(fs.readFileSync(stateFile, 'utf-8')).pid;
+      fs.unlinkSync(stateFile);
+    }
+    if (restartedPid) {
+      try { process.kill(restartedPid, 'SIGTERM'); } catch {}
+    }
 
-    // Should fail, not loop forever
-    expect(result.code).not.toBe(0);
+    expect(result.code).toBe(0);
+    expect(result.stdout).toContain('Status: healthy');
+    expect(result.stderr).toContain('Starting server');
   }, 20000);
 });
 

setup

@@ -4,11 +4,32 @@ set -e
 
 GSTACK_DIR="$(cd "$(dirname "$0")" && pwd)"
 SKILLS_DIR="$(dirname "$GSTACK_DIR")"
+BROWSE_BIN="$GSTACK_DIR/browse/dist/browse"
 
 # 1. Build browse binary if needed
-if [ ! -x "$GSTACK_DIR/browse/dist/browse" ]; then
+NEEDS_BUILD=0
+if [ ! -x "$BROWSE_BIN" ]; then
+  NEEDS_BUILD=1
+elif [ -n "$(find "$GSTACK_DIR/browse/src" -type f -newer "$BROWSE_BIN" -print -quit 2>/dev/null)" ]; then
+  NEEDS_BUILD=1
+elif [ "$GSTACK_DIR/package.json" -nt "$BROWSE_BIN" ]; then
+  NEEDS_BUILD=1
+elif [ -f "$GSTACK_DIR/bun.lock" ] && [ "$GSTACK_DIR/bun.lock" -nt "$BROWSE_BIN" ]; then
+  NEEDS_BUILD=1
+fi
+
+if [ "$NEEDS_BUILD" -eq 1 ]; then
   echo "Building browse binary..."
-  cd "$GSTACK_DIR" && bun install && bun run build
+  (
+    cd "$GSTACK_DIR"
+    bun install
+    bun run build
+  )
+fi
+
+if [ ! -x "$BROWSE_BIN" ]; then
+  echo "gstack setup failed: browse binary missing at $BROWSE_BIN" >&2
+  exit 1
 fi
 
 # 2. Only create skill symlinks if we're inside a .claude/skills directory
@@ -30,12 +51,12 @@ if [ "$SKILLS_BASENAME" = "skills" ]; then
   done
 
   echo "gstack ready."
-  echo "  browse: $GSTACK_DIR/browse/dist/browse"
+  echo "  browse: $BROWSE_BIN"
   if [ ${#linked[@]} -gt 0 ]; then
     echo "  linked skills: ${linked[*]}"
   fi
 else
   echo "gstack ready."
-  echo "  browse: $GSTACK_DIR/browse/dist/browse"
+  echo "  browse: $BROWSE_BIN"
   echo "  (skipped skill symlinks — not inside .claude/skills/)"
 fi