chore(sentry apps): Introduce new error types for sentry apps (#82507)

Author: Christinarlong

src/sentry/sentry_apps/utils/errors.py

@@ -0,0 +1,35 @@
+from enum import Enum
+
+
+class SentryAppErrorType(Enum):
+    CLIENT = "client"
+    INTEGRATOR = "integrator"
+    SENTRY = "sentry"
+
+
+# Represents a user/client error that occured during a Sentry App process
+class SentryAppError(Exception):
+    error_type = SentryAppErrorType.CLIENT
+    status_code = 400
+
+    def __init__(
+        self,
+        error: Exception | None = None,
+        status_code: int | None = None,
+    ) -> None:
+        if status_code:
+            self.status_code = status_code
+
+
+# Represents an error caused by a 3p integrator during a Sentry App process
+class SentryAppIntegratorError(Exception):
+    error_type = SentryAppErrorType.INTEGRATOR
+    status_code = 400
+
+    def __init__(
+        self,
+        error: Exception | None = None,
+        status_code: int | None = None,
+    ) -> None:
+        if status_code:
+            self.status_code = status_code