fix(vision): rename process variable to avoid shadowing global

The spawned child process was named 'process' which shadowed the
Node.js global 'process', causing 'Cannot access process before
initialization' when trying to access process.env.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/web/src/app/api/vision-training/hardware/route.ts

@@ -41,7 +41,7 @@ export async function GET(): Promise<Response> {
     const scriptPath = 'scripts/train-column-classifier/detect_hardware.py'
 
     const result = await new Promise<HardwareInfo>((resolve, reject) => {
-      const process = spawn('python3', [scriptPath], {
+      const childProcess = spawn('python3', [scriptPath], {
         cwd,
         env: { ...process.env, PYTHONUNBUFFERED: '1' },
         timeout: 30000, // 30 second timeout
@@ -50,15 +50,15 @@ export async function GET(): Promise<Response> {
       let stdout = ''
       let stderr = ''
 
-      process.stdout?.on('data', (data: Buffer) => {
+      childProcess.stdout?.on('data', (data: Buffer) => {
         stdout += data.toString()
       })
 
-      process.stderr?.on('data', (data: Buffer) => {
+      childProcess.stderr?.on('data', (data: Buffer) => {
         stderr += data.toString()
       })
 
-      process.on('close', (code) => {
+      childProcess.on('close', (code) => {
         if (code === 0) {
           try {
             const parsed = JSON.parse(stdout.trim())
@@ -71,7 +71,7 @@ export async function GET(): Promise<Response> {
         }
       })
 
-      process.on('error', (error) => {
+      childProcess.on('error', (error) => {
         reject(error)
       })
     })