chore(auth): remove debug logging from OAuth + registration error paths

src/components/portal/login-flow.tsx

@@ -85,9 +85,8 @@ export function LoginFlow() {
           replace("identify");
         }
       })
-      .catch((e) => {
-        console.error("[oauth] Google sign-in failed:", e);
-        setFlash(`Google sign-in didn't complete: ${(e as Error)?.message ?? "please try again"}`);
+      .catch(() => {
+        setFlash("Google sign-in didn't complete. Please try again.");
         replace("identify");
       });
   }, [ready, completeOAuthLogin, router]);

src/components/portal/register-flow.tsx

@@ -97,8 +97,8 @@ export function RegisterFlow() {
           mailingSameAsRegistered: mailingSame,
           consentTerms: termsOk, consentPrivacy: privacyOk,
         });
-      } catch (e) {
-        console.warn("crm.account.register failed (continuing):", e);
+      } catch {
+        // Non-fatal: the auth account already exists; the domain profile can be filled in later.
       }
     }
     router.push("/dashboard");