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4 Commits
Author SHA1 Message Date
matitos 5a8c7ecc58 Show a loading state in the strategy dropdown 
While the strategy list is being fetched the dropdown now shows a disabled
"Loading strategies…" option instead of an empty select, and "No strategies
available" once loading finishes with no results. Applies to the strategy,
backtest and sweep panels via a loading prop. Adds tests.
 2026-09-21 18:26:01 +00:00
matitos b9c69c546c Retry the strategy list and make collapse obvious 
- The strategy/preset lists were loaded once with failures swallowed, so a
  single failed first request left the strategy dropdown empty forever. They
  are now retried every 3s until populated.
- Clearer collapse affordance: hover highlight, a hide/show hint, and a
  tooltip; Backtest and Parameter sweep start collapsed so the strategy
  selector and status are immediately visible.
- Adds an integration test that the strategy dropdown is populated and the
  panel actually collapses.
 2026-09-21 17:11:18 +00:00
matitos 1b44e456c6 Collapse the strategy, backtest and sweep panels 
Adds a reusable CollapsiblePanel (chevron header, optional summary shown when
collapsed, state persisted in localStorage) and wraps the Strategy, Backtest
and Parameter sweep panels with it, so any single part of the dashboard can be
focused on quickly. Panels stay mounted (v-show) so their form/results state is
preserved across collapse. Includes component tests.
 2026-09-21 16:40:48 +00:00
matitos 9dc00eba95 Add trailing stops and parameter sweeps
CI/CD / backend (pull_request) Successful in 6m6s
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CI/CD / frontend (pull_request) Successful in 5m17s
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Trailing stops: strategies can pass trailing_stop_pct to enter_long/enter_short.
advance_trailing_stop in app/engine/portfolio.py ratchets the stop with the price
(up for longs, down for shorts) and never loosens; the engine persists the
ratcheted level and the backtester applies the same logic. Position gains a
trailing_stop_pct column (additive migration). momentum exposes it as a param.

Parameter sweeps: app/backtest/sweep.py runs a cartesian grid through the same
backtester and ranks by return minus max drawdown. POST /api/sweep plus a
dashboard Parameter sweep panel.
 2026-09-19 23:04:20 +00:00