diff --git a/packages/loopover-miner/lib/policy-doc-cache.js b/packages/loopover-miner/lib/policy-doc-cache.js
index 6abb490f9a..5cfd206c78 100644
--- a/packages/loopover-miner/lib/policy-doc-cache.js
+++ b/packages/loopover-miner/lib/policy-doc-cache.js
@@ -1,4 +1,4 @@
-import { normalizeLocalStoreDbPath, openLocalStoreDb, resolveLocalStoreDbPath } from "./local-store.js";
+import { normalizeLocalStoreDbPath, openLocalStoreAdapter, resolveLocalStoreDbPath } from "./local-store.js";
 import { applySchemaMigrations } from "./schema-version.js";
 
 // Local ETag cache for discovery's small policy-doc fetches (#4842). `discover` refetches each target repo's
@@ -30,10 +30,14 @@ function normalizeUrl(url) {
 /**
  * Opens the 100% local/client-side miner policy-doc ETag cache. The database only lives on this machine; this
  * module never uploads, syncs, or phones home with its contents. (#4842)
+ *
+ * Opened through the #7175 SqliteDriver seam (`openLocalStoreAdapter`): CRUD goes through `driver.query`,
+ * while schema creation/migrations still use the underlying DatabaseSync until those helpers are migrated.
+ * Public API stays synchronous so callers need no async cascade in this part-1 slice.
  */
 export function initPolicyDocCacheStore(dbPath = resolvePolicyDocCacheDbPath()) {
   const resolvedPath = normalizeDbPath(dbPath);
-  const db = openLocalStoreDb(resolvedPath);
+  const { db, driver } = openLocalStoreAdapter(resolvedPath);
   db.exec(`
     CREATE TABLE IF NOT EXISTS policy_doc_cache (
       url TEXT PRIMARY KEY,
@@ -45,22 +49,23 @@ export function initPolicyDocCacheStore(dbPath = resolvePolicyDocCacheDbPath())
   // Schema-version convention (#4832): stamp the baseline and run any post-baseline migrations (none yet).
   applySchemaMigrations(db, []);
 
-  const getStatement = db.prepare("SELECT etag, content FROM policy_doc_cache WHERE url = ?");
-  const putStatement = db.prepare(`
+  const getSql = "SELECT etag, content FROM policy_doc_cache WHERE url = ?";
+  const putSql = `
     INSERT INTO policy_doc_cache (url, etag, content, updated_at)
     VALUES (?, ?, ?, ?)
     ON CONFLICT(url) DO UPDATE SET
       etag = excluded.etag,
       content = excluded.content,
       updated_at = excluded.updated_at
-  `);
+  `;
 
   return {
     dbPath: resolvedPath,
     /** The last-known `{ etag, content }` for a policy-doc URL, or null when it has never been cached. Both columns
      *  are `TEXT NOT NULL`, so a present row always carries string values. */
     get(url) {
-      const row = getStatement.get(normalizeUrl(url));
+      const { rows } = driver.query(getSql, [normalizeUrl(url)]);
+      const row = rows[0];
       return row ? { etag: row.etag, content: row.content } : null;
     },
     /** Record the fresh ETag + body so the next run can revalidate it with a conditional GET. */
@@ -69,7 +74,7 @@ export function initPolicyDocCacheStore(dbPath = resolvePolicyDocCacheDbPath())
       if (typeof etag !== "string" || !etag.trim()) throw new Error("invalid_policy_doc_etag");
       if (typeof content !== "string") throw new Error("invalid_policy_doc_content");
       const updatedAt = new Date().toISOString();
-      putStatement.run(normalizedUrl, etag, content, updatedAt);
+      driver.query(putSql, [normalizedUrl, etag, content, updatedAt]);
       return { url: normalizedUrl, etag, content, updatedAt };
     },
     close() {