fix(payment): crash on open due to amount.toFixed on numeric string

feat(shared): tag filter on shared transactions list

src/lib/hooks.ts

@@ -208,11 +208,12 @@ export function useParticipantBalances() {
   });
 }
 
-export function useSharedTransactions() {
+export function useSharedTransactions(tagIds?: string[]) {
   return useQuery({
-    queryKey: ["shared-transactions"],
+    queryKey: ["shared-transactions", tagIds],
     queryFn: async () => {
-      const res = await fetch("/api/shared-transactions");
+      const params = tagIds?.length ? `?tag_ids=${tagIds.join(",")}` : "";
+      const res = await fetch(`/api/shared-transactions${params}`);
       return res.json();
     },
   });

src/lib/queries.ts

@@ -335,7 +335,14 @@ export async function getTags() {
   `);
 }
 
-export async function getSharedTransactions(ownerId: number) {
+export async function getSharedTransactions(ownerId: number, tagIds?: number[]) {
+  const params: unknown[] = [ownerId];
+  let tagClause = "";
+  if (tagIds?.length) {
+    params.push(tagIds);
+    tagClause = `AND EXISTS (SELECT 1 FROM transaction_tags tt WHERE tt.transaction_id = t.id AND tt.tag_id = ANY($2::int[]))`;
+  }
+
   const rows = await queryRaw<TransactionRow & { split_data: string }>(`
     SELECT t.*,
       o.category_override, o.merchant_normalized as merchant_override, o.notes,
@@ -358,17 +365,16 @@ export async function getSharedTransactions(ownerId: number) {
     LEFT JOIN statements s ON s.id = t.statement_id
     LEFT JOIN participants p_owner ON p_owner.id = COALESCE(t.owner_id, s.owner_id)
     WHERE (
-        -- I own this transaction and at least one other person has a split
         COALESCE(t.owner_id, s.owner_id) = $1
         AND EXISTS (SELECT 1 FROM transaction_splits ts2 WHERE ts2.transaction_id = t.id AND ts2.participant_id != $1)
       ) OR (
-        -- Someone else owns this transaction and I have a split on it
         COALESCE(t.owner_id, s.owner_id) != $1
         AND EXISTS (SELECT 1 FROM transaction_splits ts_me WHERE ts_me.transaction_id = t.id AND ts_me.participant_id = $1)
       )
+    ${tagClause}
     GROUP BY t.id, o.category_override, o.merchant_normalized, o.notes, s.bank_name, s.owner_id, p_owner.name
     ORDER BY t.transaction_date DESC
-  `, [ownerId]);
+  `, params);
 
   return rows.map((r) => ({
     ...r,