Configure Vite host and allowed domains for port 4321

[ercmine]

Motivation

• The Vite dev server was blocking requests due to Host header checks and was not reachable from the expected perbug domains, so the config needs to allow those hosts and bind to an external address/port.

Description

• Updated eatdoge/vite.config.ts to set server.host to 0.0.0.0, server.port to 4321, and server.allowedHosts to ['perbug.com', 'www.perbug.com', 'app.perbug.com'].
• Added a matching preview block with the same host, port, and allowedHosts so preview mode behaves identically.
• Preserved the existing plugins: [react()] configuration and removed the previous fs.allow block.

Testing

• Ran cd eatdoge && timeout 12s npm run dev -- --host 0.0.0.0 --port 4321 and Vite reported ready on port 4321 (success).
• Started a background dev process with cd eatdoge && nohup npm run dev -- --host 0.0.0.0 --port 4321 >/tmp/eatdoge-vite.log 2>&1 & and confirmed the process and logs show Vite ready (success).

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