diff --git a/config.ts b/config.ts
index 5a96da6..f26882c 100644
--- a/config.ts
+++ b/config.ts
@@ -16,6 +16,10 @@ export const PATHS = {
 	graph: path.join(ROOT, "data", "graph"),
 } as const;
 
+/**
+ * The LIVE graph store (src/store/graph.ts) — owned by the app's emission
+ * pipeline. Line shapes: src/core/contracts.ts.
+ */
 export const LEDGER_FILES = {
 	nodes: path.join(PATHS.graph, "nodes.jsonl"),
 	edges: path.join(PATHS.graph, "edges.jsonl"),
@@ -23,3 +27,17 @@ export const LEDGER_FILES = {
 	mappings: path.join(PATHS.graph, "mappings.jsonl"),
 	sessions: path.join(PATHS.graph, "sessions.jsonl"),
 } as const;
+
+/**
+ * The legacy V0 scaffold (src/ledger.ts, src/cli.ts, src/extract/) writes
+ * HERE instead — dormant pre-pivot reference code with its own line shapes
+ * (src/schema.ts). Kept compiling for the future retroactive bootstrap,
+ * which will target the contracts.ts shapes, not these.
+ */
+export const LEGACY_LEDGER_FILES = {
+	nodes: path.join(PATHS.data, "legacy-graph", "nodes.jsonl"),
+	edges: path.join(PATHS.data, "legacy-graph", "edges.jsonl"),
+	events: path.join(PATHS.data, "legacy-graph", "events.jsonl"),
+	mappings: path.join(PATHS.data, "legacy-graph", "mappings.jsonl"),
+	sessions: path.join(PATHS.data, "legacy-graph", "sessions.jsonl"),
+} as const;
diff --git a/src/ledger.ts b/src/ledger.ts
index e46f1e7..7ca0106 100644
--- a/src/ledger.ts
+++ b/src/ledger.ts
@@ -6,7 +6,7 @@
 import * as fs from "node:fs";
 import * as path from "node:path";
 import { randomBytes } from "node:crypto";
-import { LEDGER_FILES } from "../config.ts";
+import { LEGACY_LEDGER_FILES as LEDGER_FILES } from "../config.ts";
 
 export function newId(prefix: string): string {
 	return `${prefix}_${randomBytes(5).toString("hex")}`;