chore: strip remaining pre-fork version references

Second pass — removes chat-switchboard version numbers from config
field docs, section headers, file headers, and test comments. These
were pre-fork version tags that don't apply to switchboard-core.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

server/models/workflow.go

@@ -120,21 +120,21 @@ var ValidAudiences = map[string]bool{
 
 // ── Typed Form Template ─────────────────────
 
-// TypedFormTemplate is the structured form_template schema (v0.29.3).
+// TypedFormTemplate is the structured form_template schema.
 type TypedFormTemplate struct {
 	Fields    []FormField    `json:"fields"`
 	Fieldsets []FormFieldset `json:"fieldsets,omitempty"`
 	Hooks     *FormHooks     `json:"hooks,omitempty"`
 }
 
-// FormFieldset groups fields into a labelled step for progressive forms (v0.35.0).
+// FormFieldset groups fields into a labelled step for progressive forms.
 // When fieldsets is present, top-level fields is ignored.
 type FormFieldset struct {
 	Label  string      `json:"label"`
 	Fields []FormField `json:"fields"`
 }
 
-// FieldCondition controls conditional visibility of a form field (v0.35.0).
+// FieldCondition controls conditional visibility of a form field.
 // When set, the field is shown/validated only if the condition is met.
 type FieldCondition struct {
 	When  string `json:"when"`            // key of the field to check
@@ -389,7 +389,7 @@ func validateSelect(f FormField, val interface{}) []FieldError {
 	return []FieldError{{Key: f.Key, Message: f.Label + " is not a valid option"}}
 }
 
-// ── Field Condition Evaluator (v0.35.0) ─────
+// ── Field Condition Evaluator ─────
 
 // evaluateFieldCondition checks if a conditional field should be visible/validated.
 func evaluateFieldCondition(cond *FieldCondition, data map[string]interface{}) bool {
@@ -502,7 +502,7 @@ type WorkflowAssignment struct {
 	CreatedAt   time.Time       `json:"created_at"`
 }
 
-// ── Workflow Signoff (v0.3.4) ───────────────
+// ── Workflow Signoff ───────────────
 
 // WorkflowSignoff records a user's approval or rejection at a stage boundary.
 type WorkflowSignoff struct {