add req-051, task-003, task-004, edit req-015

2 files changed, 22 insertions, 0 deletions

diff --git a/requirements/tasks/task-003.md b/requirements/tasks/task-003.md
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+# task-003
+
+Given the user has set up a bank account to sync with Schist, then Schist must
+regularly retrieve the latest transactions from that bank account and record
+them.
+
+Exception: if retrieving transactions from the bank account fails, then Schist
+should notify the user.
+
+Source: req-051
diff --git a/requirements/tasks/task-004.md b/requirements/tasks/task-004.md
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+# task-005
+
+Given the user has set up a bank account to sync with Schist, when they read
+any data from Schist which depends upon accurate transaction records, then
+Schist retrieves transactions from the bank account and records them before
+returning the result to the user.
+
+Exception: if it takes too long to get transactions from the bank account, then
+Schist should return the stale data at first while retrieving the fresh
+transactions at the same time.
+
+Source: req-051