chore(cli): re-enable Sentry reporting for unclassified errors

Remove the temporary UNCLASSIFIED error code and revert catch-all
handlers back to INTERNAL_ERROR (which is Sentry-reportable). This
should be merged last, after all CliError classification branches.

Made-with: Cursor

Author: FedeZara

packages/cli/task-context/src/CliError.ts

@@ -11,8 +11,7 @@ export declare namespace CliError {
         | "VALIDATION_ERROR"
         | "NETWORK_ERROR"
         | "AUTH_ERROR"
-        | "CONFIG_ERROR"
-        | "UNCLASSIFIED";
+        | "CONFIG_ERROR";
 }
 
 const SENTRY_REPORTABLE_CODES: ReadonlySet<CliError.Code> = new Set([
@@ -40,8 +39,7 @@ function isNodeVersionError(error: unknown): boolean {
 /**
  * Resolves the effective error code: explicit override wins,
  * then auto-detects from known error types,
- * and falls back to UNCLASSIFIED for unknown errors until all packages
- * are migrated to the new error system.
+ * and falls back to INTERNAL_ERROR for truly unknown errors.
  */
 export function resolveErrorCode(error: unknown, explicitCode?: CliError.Code): CliError.Code {
     if (explicitCode != null) {
@@ -56,7 +54,7 @@ export function resolveErrorCode(error: unknown, explicitCode?: CliError.Code):
     if (isNodeVersionError(error)) {
         return "ENVIRONMENT_ERROR";
     }
-    return "UNCLASSIFIED";
+    return "INTERNAL_ERROR";
 }
 
 export class CliError extends Error {