feat(FN-5188): complete Step 2 — persist bootstrappedAt

Fusion-Task-Id: FN-5188
Fusion-Task-Lineage: 6d238ff1-2d69-44e7-8694-ec19e412f8ef

packages/core/src/__tests__/db.test.ts

@@ -310,6 +310,21 @@ describe("Database", () => {
       expect(ts).toBeLessThanOrEqual(Date.now());
     });
 
+    it("seeds bootstrappedAt and preserves it across reopen", () => {
+      const bootstrappedAt = db.getBootstrappedAt();
+      expect(bootstrappedAt).toBeTypeOf("number");
+      expect(bootstrappedAt).toBeGreaterThan(0);
+      expect(bootstrappedAt).toBeLessThanOrEqual(Date.now());
+
+      const reopened = new Database(tempDir);
+      reopened.init();
+      try {
+        expect(reopened.getBootstrappedAt()).toBe(bootstrappedAt);
+      } finally {
+        reopened.close();
+      }
+    });
+
     it("seeds config row with all required fields", () => {
       const row = db.prepare("SELECT * FROM config WHERE id = 1").get() as any;
       expect(row).toBeDefined();

packages/core/src/db.ts

@@ -1520,6 +1520,9 @@ export class Database {
     this.db.exec(
       `INSERT OR IGNORE INTO __meta (key, value) VALUES ('lastModified', '${Date.now()}')`,
     );
+    this.db.exec(
+      `INSERT OR IGNORE INTO __meta (key, value) VALUES ('bootstrappedAt', '${Date.now()}')`,
+    );
 
     // Run schema migrations
     this.migrate();
@@ -3847,6 +3850,15 @@ export class Database {
     );
   }
 
+  getBootstrappedAt(): number | null {
+    const value = this.getMetaValue("bootstrappedAt");
+    if (!value) {
+      return null;
+    }
+    const parsed = parseInt(value, 10);
+    return Number.isFinite(parsed) ? parsed : null;
+  }
+
   /**
    * Get the schema version number.
    */

packages/core/src/store.ts

@@ -8805,6 +8805,10 @@ ${stepsSection}`;
     return this.db;
   }
 
+  getBootstrappedAt(): number | null {
+    return this.db.getBootstrappedAt();
+  }
+
   async getSecretsStore(): Promise<SecretsStore> {
     if (this.secretsStore) {
       return this.secretsStore;