feat: embed SvelteKit client assets in Rust binary

- Add include_dir for serving /_app static bundles from binary
- Add console-logger.js for structured JSON logs from Bun
- Fix API routing edge cases and add method restrictions

web/console-logger.js

@@ -0,0 +1,31 @@
+// Patch console methods to output structured JSON logs
+// This runs before the Bun server starts to ensure all console output is formatted
+
+const originalConsole = {
+  log: console.log,
+  error: console.error,
+  warn: console.warn,
+  info: console.info,
+  debug: console.debug,
+};
+
+function formatLog(level, args) {
+  const message = args.map(arg => 
+    typeof arg === 'object' ? JSON.stringify(arg) : String(arg)
+  ).join(' ');
+  
+  const logEntry = {
+    timestamp: new Date().toISOString(),
+    level: level,
+    message: message,
+    target: 'bun',
+  };
+  
+  originalConsole.log(JSON.stringify(logEntry));
+}
+
+console.log = (...args) => formatLog('info', args);
+console.info = (...args) => formatLog('info', args);
+console.warn = (...args) => formatLog('warn', args);
+console.error = (...args) => formatLog('error', args);
+console.debug = (...args) => formatLog('debug', args);