Add bank synchronization features with FinTS support and update dependencies

convex/schema.ts

@@ -118,4 +118,52 @@ export default defineSchema({
     status: v.string(),
     expiresAt: v.optional(v.number()),
   }).index("by_user", ["userId"]),
+
+  bankConfig: defineTable({
+    userId: v.id("users"),
+    providerPreference: v.union(
+      v.literal("auto"),
+      v.literal("comdirect"),
+      v.literal("fints"),
+    ),
+    comdirectHasCredentials: v.boolean(),
+    fints: v.object({
+      blz: v.string(),
+      url: v.string(),
+      login: v.string(),
+      productId: v.string(),
+      productVersion: v.optional(v.string()),
+      tanMethodId: v.optional(v.number()),
+      tanMediaName: v.optional(v.string()),
+      bankingInformationJson: v.optional(v.string()),
+    }),
+  }).index("by_user", ["userId"]),
+
+  syncState: defineTable({
+    userId: v.id("users"),
+    lastSync: v.optional(v.number()),
+    lastProviderUsed: v.optional(v.union(v.literal("comdirect"), v.literal("fints"))),
+    lastError: v.optional(v.string()),
+  }).index("by_user", ["userId"]),
+
+  pendingTan: defineTable({
+    userId: v.id("users"),
+    status: v.union(
+      v.literal("idle"),
+      v.literal("awaiting"),
+      v.literal("done"),
+      v.literal("error"),
+    ),
+    challengeRef: v.optional(v.string()),
+    challengeMessage: v.optional(v.string()),
+    photoTanMimeType: v.optional(v.string()),
+    photoTanBase64: v.optional(v.string()),
+    createdAt: v.number(),
+    updatedAt: v.number(),
+    errorMessage: v.optional(v.string()),
+    pollAttempt: v.optional(v.number()),
+    syncJobJson: v.optional(v.string()),
+    isDecoupled: v.optional(v.boolean()),
+    submittedTan: v.optional(v.string()),
+  }).index("by_user", ["userId"]),
 });