feat: add prompt startup actions and shared vision config

backend/services/workflow/models.py

@@ -27,65 +27,6 @@ class RouteStatus(StrEnum):
     ERROR = "error"
 
 
-class ActionStatus(StrEnum):
-    """Stable Action outcomes used by routing and future debug tooling."""
-
-    SUCCESS = "success"
-    FAILURE = "failure"
-    CANCELLED = "cancelled"
-
-
-@dataclass(frozen=True)
-class ActionError:
-    """Machine-readable failure details without losing the operator message."""
-
-    code: str
-    message: str
-    retryable: bool = False
-
-
-@dataclass(frozen=True)
-class ActionOutcome:
-    """One completed Action invocation.
-
-    ``result`` remains an in-memory value because a tool response may contain
-    private business data. Trace events publish only its shape and variable
-    names, never the raw response.
-    """
-
-    invocation_id: str
-    status: ActionStatus
-    duration_ms: int
-    result: dict[str, Any] | None = None
-    updated_variables: tuple[str, ...] = ()
-    error: ActionError | None = None
-
-    @property
-    def should_route(self) -> bool:
-        """Cancellation is a lifecycle outcome, not a failure branch."""
-
-        return self.status != ActionStatus.CANCELLED
-
-    def trace_payload(self) -> dict[str, Any]:
-        """Return a persistence-safe summary of the execution result."""
-
-        payload: dict[str, Any] = {
-            "invocationId": self.invocation_id,
-            "status": self.status.value,
-            "durationMs": self.duration_ms,
-            "updatedVariables": list(self.updated_variables),
-        }
-        if self.result is not None:
-            payload["resultKeys"] = sorted(str(key) for key in self.result)
-        if self.error is not None:
-            payload["error"] = {
-                "code": self.error.code,
-                "message": self.error.message,
-                "retryable": self.error.retryable,
-            }
-        return payload
-
-
 @dataclass(frozen=True)
 class UserTurn:
     """One committed user turn that may cross automatic Workflow nodes."""