fix(local): add IPv6 localhost to CORS, guard null attribute values

- CORS: add [::1] to LOCALHOST_ORIGIN_RE so IPv6 dev stacks pass
  preflight.
- formatSingleLog: guard against null attribute entries before
  accessing v.value.
- run.ts: remove unused biome-ignore suppression.

Author: MathurAditya724

src/commands/local/run.ts

@@ -99,7 +99,6 @@ export const runCommand = buildCommand({
     },
   },
   auth: false,
-  // biome-ignore lint/correctness/useYield: child process wrapper, no structured output
   async *func(this: SentryContext, flags: RunFlags, ...rawArgs: string[]) {
     // Strip leading "--" separator that Stricli passes through
     const args = rawArgs[0] === "--" ? rawArgs.slice(1) : rawArgs;

src/commands/local/server.ts

@@ -85,8 +85,9 @@ function parsePort(value: string): number {
   return port;
 }
 
-/** Match localhost origins on any port (http or https). */
-const LOCALHOST_ORIGIN_RE = /^https?:\/\/(localhost|127\.0\.0\.1)(:\d+)?$/;
+/** Match localhost origins on any port (http or https), including IPv6. */
+const LOCALHOST_ORIGIN_RE =
+  /^https?:\/\/(localhost|127\.0\.0\.1|\[::1\])(:\d+)?$/;
 
 /**
  * Build the Hono application.

src/lib/formatters/local.ts

@@ -231,7 +231,11 @@ export function formatSingleLog(logEntry: LogEntry, source: string): string {
     const attrs = Object.entries(logEntry.attributes)
       .filter(
         ([k, v]) =>
-          !k.startsWith("sentry.") && v.value !== null && v.value !== undefined
+          !k.startsWith("sentry.") &&
+          v !== null &&
+          v !== undefined &&
+          v.value !== null &&
+          v.value !== undefined
       )
       .map(([k, v]) => muted(`[${sanitize(k)}=${sanitize(String(v.value))}]`));
     if (attrs.length > 0) {