fix: workflow BSON serialization - array markers, parameter binding, outcomes

[engalar]

Summary

Commit 3405dd7 fixes 13 CE errors in workflow BSON serialization, building on a6774ad.

Changes

1. BSON Array Markers (writer_workflow.go)

Fixed incorrect int32(3) to int32(2) for: BoundaryEvents, ParameterMappings, Parameters (StringTemplate).

2. Workflow Parameter Entity Format (writer_workflow.go)

Changed Workflows$Parameter from deleted EntityRef (PartProperty object) to Entity (ByNameReferenceProperty string). Added Name: "WorkflowContext".

3. CallWorkflowActivity ParameterMappings

Added ParameterMappings field to struct, writer serialization, and executor auto-bind with $WorkflowContext.

4. CallMicroflowTask Auto-binding

Added autoBindCallMicroflow(), default VoidConditionOutcome, and sanitizeActivityName().

5. UserTaskOutcome Value Field

Removed incorrect Caption/Name, added required Value field.

CE Errors Fixed

Error	Description
CE0117 x8	Wrong array marker
CE1850	Deleted EntityRef format
CE1871	Missing ParameterMappings
CE6685	Missing microflow ParameterMappings
CE6686	Missing default outcome
CE7247	Spaces in Name
CE1864/CE1865	Missing Value field

How to Verify

make build

cat > /tmp/test-wf.mdl << 'MDL'
CREATE WORKFLOW WorkflowBaseline.E2E_TestWorkflow
  PARAMETER $WorkflowContext: WorkflowBaseline.Entity
BEGIN
  PARALLEL SPLIT COMMENT 'First Parallel'
    PATH 1 {
      CALL MICROFLOW WorkflowBaseline.Microflow;
      CALL MICROFLOW WorkflowBaseline.Microflow;
    }
    PATH 2 {
      CALL MICROFLOW WorkflowBaseline.Microflow_3;
    };
  CALL WORKFLOW WorkflowBaseline.Sub_Workflow;
  PARALLEL SPLIT COMMENT 'Second Parallel'
    PATH 1 { CALL WORKFLOW WorkflowBaseline.Sub_Workflow; }
    PATH 2 {
      CALL MICROFLOW WorkflowBaseline.Microflow;
      CALL WORKFLOW WorkflowBaseline.Sub_Workflow;
    };
  WAIT FOR NOTIFICATION COMMENT 'Await Signal';
  CALL MICROFLOW WorkflowBaseline.Microflow;
END WORKFLOW
/
MDL

# Execute, check, describe
./bin/mxcli exec /tmp/test-wf.mdl -p App.mpr
mx check App.mpr                    # expect 0 errors
./bin/mxcli -p App.mpr -c "DESCRIBE WORKFLOW WorkflowBaseline.E2E_TestWorkflow;"
# expect ParameterMappings shown for all CallMicroflow/CallWorkflow

# Cleanup
git -C /path/to/project checkout -- . && git clean -fd mprcontents/

Files Changed

• sdk/workflows/workflow.go
• sdk/mpr/writer_workflow.go
• mdl/executor/cmd_workflows_write.go