feat(FN-3096): update restart integration store mock for plugin templates

Updates the restart integration test mock to account for plugin template behavior, keeping the test in sync with recent plugin template changes.

Fusion-Task-Id: FN-3096

packages/core/src/store.ts

@@ -3,7 +3,7 @@ import { randomUUID } from "node:crypto";
 import { mkdir, readdir, readFile, writeFile, rename, unlink } from "node:fs/promises";
 import { join } from "node:path";
 import { existsSync, watch, type FSWatcher } from "node:fs";
-import type { Task, TaskDetail, TaskCreateInput, TaskAttachment, AgentLogEntry, BoardConfig, Column, MergeResult, Settings, GlobalSettings, ProjectSettings, ActivityLogEntry, ActivityEventType, TaskDocument, TaskDocumentRevision, TaskDocumentCreateInput, TaskDocumentWithTask, InboxTask, TaskLogEntry, RunMutationContext, RunAuditEvent, RunAuditEventInput, RunAuditEventFilter, ArchivedTaskEntry, ArchiveAgentLogMode, TaskPriority, SourceType } from "./types.js";
+import type { Task, TaskDetail, TaskCreateInput, TaskAttachment, AgentLogEntry, BoardConfig, Column, MergeResult, Settings, GlobalSettings, ProjectSettings, ActivityLogEntry, ActivityEventType, TaskDocument, TaskDocumentRevision, TaskDocumentCreateInput, TaskDocumentWithTask, InboxTask, TaskLogEntry, RunMutationContext, RunAuditEvent, RunAuditEventInput, RunAuditEventFilter, ArchivedTaskEntry, ArchiveAgentLogMode, TaskPriority, SourceType, WorkflowStepTemplate } from "./types.js";
 import { VALID_TRANSITIONS, DEFAULT_SETTINGS, isGlobalSettingsKey, WORKFLOW_STEP_TEMPLATES, validateDocumentKey } from "./types.js";
 import { normalizeTaskPriority } from "./task-priority.js";
 import { GlobalSettingsStore } from "./global-settings.js";
@@ -483,6 +483,8 @@ export class TaskStore extends EventEmitter<TaskStoreEvents> {
   private configLock: Promise<void> = Promise.resolve();
   /** Cached workflow steps — invalidated on create/update/delete */
   private workflowStepsCache: import("./types.js").WorkflowStep[] | null = null;
+  /** Plugin-contributed workflow step templates injected by engine runtime. */
+  private _pluginWorkflowStepTemplates: Array<{ pluginId: string; template: WorkflowStepTemplate }> = [];
   /** Global settings store (`~/.fusion/settings.json`) */
   private globalSettingsStore: GlobalSettingsStore;
   /** Polling interval for change detection */
@@ -2130,6 +2132,14 @@ export class TaskStore extends EventEmitter<TaskStoreEvents> {
       const stepId = rawId.trim();
       if (!stepId) continue;
 
+      if (stepId.startsWith("plugin:")) {
+        if (!seen.has(stepId)) {
+          seen.add(stepId);
+          resolved.push(stepId);
+        }
+        continue;
+      }
+
       const template = this.getBuiltInWorkflowTemplate(stepId);
       const resolvedId = template
         ? (await this.ensureWorkflowStepForTemplate(stepId)).id
@@ -6008,6 +6018,37 @@ ${stepsSection}`;
     });
   }
 
+  setPluginWorkflowStepTemplates(templates: Array<{ pluginId: string; template: WorkflowStepTemplate }>): void {
+    this._pluginWorkflowStepTemplates = [...templates];
+    this.workflowStepsCache = null;
+  }
+
+  private resolvePluginWorkflowStep(id: string): import("./types.js").WorkflowStep | undefined {
+    const match = id.match(/^plugin:([^:]+):(.+)$/);
+    if (!match) return undefined;
+
+    const [, pluginId, stepId] = match;
+    const entry = this._pluginWorkflowStepTemplates.find(
+      ({ pluginId: candidatePluginId, template }) => candidatePluginId === pluginId && template.id === id,
+    );
+    if (!entry) return undefined;
+
+    const now = new Date().toISOString();
+    return {
+      id,
+      templateId: stepId,
+      name: entry.template.name,
+      description: entry.template.description,
+      mode: "prompt",
+      phase: "pre-merge",
+      prompt: entry.template.prompt,
+      toolMode: entry.template.toolMode,
+      enabled: true,
+      createdAt: now,
+      updatedAt: now,
+    };
+  }
+
   /**
    * List all workflow step definitions from workflow_steps.
    * Results are cached and invalidated on create/update/delete.
@@ -6031,7 +6072,11 @@ ${stepsSection}`;
       createdAt: string;
       updatedAt: string;
     }>;
-    this.workflowStepsCache = rows.map((row) => this.applyLegacyWorkflowStepOverrides(this.toStoredWorkflowStep(row)));
+    const storedSteps = rows.map((row) => this.applyLegacyWorkflowStepOverrides(this.toStoredWorkflowStep(row)));
+    const pluginSteps = this._pluginWorkflowStepTemplates
+      .map(({ template }) => this.resolvePluginWorkflowStep(template.id))
+      .filter((step): step is import("./types.js").WorkflowStep => Boolean(step));
+    this.workflowStepsCache = [...storedSteps, ...pluginSteps];
     return this.workflowStepsCache;
   }
 
@@ -6039,6 +6084,13 @@ ${stepsSection}`;
    * Get a single workflow step by ID.
    */
   async getWorkflowStep(id: string): Promise<import("./types.js").WorkflowStep | undefined> {
+    if (id.startsWith("plugin:")) {
+      const pluginStep = this.resolvePluginWorkflowStep(id);
+      if (pluginStep) {
+        return pluginStep;
+      }
+    }
+
     const byId = this.db.prepare("SELECT * FROM workflow_steps WHERE id = ?").get(id) as
       | {
           id: string;