feat: link plans to context workspaces

src/fable5/plan-receipt.test.ts

@@ -44,6 +44,31 @@ describe("plan receipt", () => {
     expect(receipt.reasons).toEqual([]);
   });
 
+
+  it("can cite a ready context workspace receipt", () => {
+    const dir = fs.mkdtempSync(path.join(os.tmpdir(), "plan-context-"));
+    const workspace = path.join(dir, "context-workspace.json");
+    fs.writeFileSync(workspace, `${JSON.stringify({ schema: "fable.context_workspace.receipt.v1", decision: "ready" })}
+`);
+
+    const receipt = createPlanReceipt({ task: "Add feature", contextWorkspaceReceipt: workspace, phases: [phase] });
+
+    expect(receipt.decision).toBe("ready");
+    expect(receipt.contextWorkspaceReceipt).toBe(workspace);
+  });
+
+  it("blocks plans that cite blocked context workspaces", () => {
+    const dir = fs.mkdtempSync(path.join(os.tmpdir(), "plan-context-blocked-"));
+    const workspace = path.join(dir, "context-workspace.json");
+    fs.writeFileSync(workspace, `${JSON.stringify({ schema: "fable.context_workspace.receipt.v1", decision: "blocked" })}
+`);
+
+    const receipt = createPlanReceipt({ task: "Add feature", contextWorkspaceReceipt: workspace, phases: [phase] });
+
+    expect(receipt.decision).toBe("blocked");
+    expect(receipt.reasons).toContain("context workspace receipt is blocked");
+  });
+
   it("writes a JSON receipt", () => {
     const dir = fs.mkdtempSync(path.join(os.tmpdir(), "plan-receipt-"));
     const file = path.join(dir, "receipt.json");

src/fable5/plan-receipt.ts

@@ -13,6 +13,7 @@ export interface PlanReceiptOptions {
   requirements?: string[];
   questions?: string[];
   phases: PlanPhase[];
+  contextWorkspaceReceipt?: string;
   source?: string;
   now?: Date;
 }
@@ -25,6 +26,7 @@ export interface PlanReceipt {
   requirements: string[];
   questions: string[];
   phases: PlanPhase[];
+  contextWorkspaceReceipt?: string;
   decision: "ready" | "needs_clarification" | "blocked";
   reasons: string[];
 }
@@ -37,6 +39,8 @@ export function createPlanReceipt(opts: PlanReceiptOptions): PlanReceipt {
   if (opts.phases.length === 0) reasons.push("missing phases");
   if (opts.phases.some((phase) => phase.acceptanceCriteria.length === 0)) reasons.push("each phase needs acceptance criteria");
   if (opts.phases.some((phase) => phase.verification.length === 0)) reasons.push("each phase needs verification steps");
+  const workspaceReason = opts.contextWorkspaceReceipt ? invalidContextWorkspaceReceiptReason(opts.contextWorkspaceReceipt) : undefined;
+  if (workspaceReason) reasons.push(workspaceReason);
 
   return {
     schema: "fable.plan.receipt.v1",
@@ -46,6 +50,7 @@ export function createPlanReceipt(opts: PlanReceiptOptions): PlanReceipt {
     requirements,
     questions,
     phases: opts.phases,
+    contextWorkspaceReceipt: opts.contextWorkspaceReceipt,
     decision: reasons.length ? "blocked" : questions.length ? "needs_clarification" : "ready",
     reasons,
   };
@@ -56,3 +61,15 @@ export function writePlanReceipt(file: string, receipt: PlanReceipt): string {
   fs.writeFileSync(file, `${JSON.stringify(receipt, null, 2)}\n`);
   return file;
 }
+
+function invalidContextWorkspaceReceiptReason(file: string): string | undefined {
+  if (!fs.existsSync(file)) return "context workspace receipt missing";
+  try {
+    const value = JSON.parse(fs.readFileSync(file, "utf-8")) as { schema?: unknown; decision?: unknown };
+    if (value.schema !== "fable.context_workspace.receipt.v1") return "context workspace receipt schema invalid";
+    if (value.decision === "blocked") return "context workspace receipt is blocked";
+    return undefined;
+  } catch {
+    return "context workspace receipt JSON invalid";
+  }
+}