feat(FN-1269): add Routine Engine Integration and fix PROMPT_KEY_CATALOG

- Add Routine Engine Integration documentation to project memory
- Fix PROMPT_KEY_CATALOG by adding missing executor role to agent-generation-system and workflow-step-refine entries
- Update test to expect 6 executor keys instead of 4

packages/core/src/prompt-overrides.test.ts

@@ -82,11 +82,13 @@ describe("prompt-overrides", () => {
   describe("getPromptKeysForRole", () => {
     it("should return all keys for executor role", () => {
       const keys = getPromptKeysForRole("executor");
-      expect(keys).toHaveLength(4);
+      expect(keys).toHaveLength(6);
       expect(keys.map((k) => k.key)).toContain("executor-welcome");
       expect(keys.map((k) => k.key)).toContain("executor-guardrails");
       expect(keys.map((k) => k.key)).toContain("executor-spawning");
       expect(keys.map((k) => k.key)).toContain("executor-completion");
+      expect(keys.map((k) => k.key)).toContain("agent-generation-system");
+      expect(keys.map((k) => k.key)).toContain("workflow-step-refine");
     });
 
     it("should return all keys for triage role", () => {

packages/core/src/prompt-overrides.ts

@@ -177,7 +177,7 @@ If there are merge conflicts:
   "agent-generation-system": {
     key: "agent-generation-system",
     name: "Agent Generation System",
-    roles: [],
+    roles: ["executor"],
     description: "System prompt for the AI agent that generates agent specifications from role descriptions",
     defaultContent: `You are an agent specification generator for the fn task board system.
 
@@ -234,7 +234,7 @@ You MUST respond with ONLY valid JSON (no markdown, no explanation):
   "workflow-step-refine": {
     key: "workflow-step-refine",
     name: "Workflow Step Refine",
-    roles: [],
+    roles: ["executor"],
     description: "System prompt for refining workflow step descriptions into detailed agent prompts",
     defaultContent: `You are an expert at creating detailed agent prompts for workflow steps.