docs(memory): document conservative quality cleanup migration

scripts/dev/dry-run-migration.ts

@@ -0,0 +1,17 @@
+import { loadWorkspaceMemory } from "../../src/workspace-memory.ts";
+
+const roots = [
+  "/Users/sd_wo/work/opencode-working-memory",
+  "/Users/sd_wo/Documents/projects/Pre-cancer-atlas",
+  "/Users/sd_wo/work/opencode-record",
+  "/Users/sd_wo/work/pathology-agent-reports",
+  "/Users/sd_wo/work/pathology-extraction",
+];
+
+for (const root of roots) {
+  console.log(`Loading workspace memory: ${root}`);
+  const store = await loadWorkspaceMemory(root);
+  const active = store.entries.filter(entry => entry.status !== "superseded").length;
+  const superseded = store.entries.filter(entry => entry.status === "superseded").length;
+  console.log(`  active=${active} superseded=${superseded} migrations=${(store.migrations ?? []).join(",")}`);
+}