fix(review): apply code-review fixes — runId/foreachNodeId wiring, worktree-leak cleanup, rework re-execution, instance pruning, SIGKILL fallback, type dedup, board memo split, agent-native field-schema context + fn_workflow_get

17 findings from 12-reviewer code review applied:
- P1 runId trio (pin-probe/resume/markIntegrated used placeholder runId; 4-reviewer corroboration) + production-wiring tests
- P1 worktree/branch release on instance failure/exhaustion/abort
- P2 runGraphTaskStep no longer masks step-session failures; rejected memo cleared so rework re-executes
- P2 clearStaleInstanceStates wired at run start/end (mirrors branch pruning)
- P2 code-node timeout killSignal SIGKILL; dead template-recursion removed
- P1/P2 field-type re-declarations replaced with @fusion/core imports (stale comments removed)
- P2 Board memo split + TaskCard comparator stringify guard + modal prop-driven field defs
- HIGH agent-native: executor prompt injects custom-field schema/values; self-correcting rejection text; fn_workflow_get; fn_task_update bare-call guard; integration-conflict task log

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

packages/dashboard/app/api/legacy.ts

@@ -79,6 +79,10 @@ import type {
   TaskIdIntegrityReport,
   BranchGroup,
   BranchGroupPrState,
+  WorkflowFieldDefinition,
+  WorkflowFieldType,
+  WorkflowFieldOption,
+  WorkflowFieldRender,
 } from "@fusion/core";
 import type { PlanningQuestion, PlanningSummary } from "@fusion/core";
 import type { GithubIssueAction, ScheduledTask, ScheduledTaskCreateInput, ScheduledTaskUpdateInput, AutomationRunResult, Routine, RoutineCreateInput, RoutineUpdateInput, RoutineExecutionResult } from "@fusion/core";
@@ -552,44 +556,9 @@ export interface BoardWorkflowColumn {
   flags: BoardWorkflowColumnFlags;
 }
 
-/** Supported custom-field value types (mirrors core `WorkflowFieldType`, KTD-13).
- *  Duplicated client-side (same posture as the BoardWorkflow* types above) since
- *  the core field-schema types are not exported through the `@fusion/core`
- *  barrel. */
-export type WorkflowFieldType =
-  | "string"
-  | "text"
-  | "number"
-  | "boolean"
-  | "enum"
-  | "multi-enum"
-  | "date"
-  | "url";
-
-/** A single enum/multi-enum option (KTD-13). */
-export interface WorkflowFieldOption {
-  value: string;
-  label: string;
-  color?: string;
-}
-
-/** Rendering instructions for a custom field (KTD-14). */
-export interface WorkflowFieldRender {
-  placement?: "card" | "detail" | "detail-section";
-  widget?: "select" | "radio" | "chips" | "input" | "textarea" | "toggle";
-  badge?: boolean;
-}
-
-/** A workflow-defined custom task field (KTD-13). */
-export interface WorkflowFieldDefinition {
-  id: string;
-  name: string;
-  type: WorkflowFieldType;
-  required?: boolean;
-  default?: unknown;
-  options?: WorkflowFieldOption[];
-  render?: WorkflowFieldRender;
-}
+// WorkflowFieldDefinition, WorkflowFieldType, WorkflowFieldOption, WorkflowFieldRender
+// are re-exported from @fusion/core above (KTD-13/14).
+export type { WorkflowFieldDefinition, WorkflowFieldType, WorkflowFieldOption, WorkflowFieldRender };
 
 export interface BoardWorkflowDefinition {
   id: string;