Chart power vs time for official climb attempts

Snapshot average power per attempt in a nullable average_power_w column (backfilled from stored rides), plot each powered attempt on the climb page as duration vs average watts with ride hover and click-through, and show avg power in the attempts table.

1 files changed, 6 insertions, 0 deletions

diff --git a/db/migrations/20260925061236_ride_official_climb_attempts_average_power.sql b/db/migrations/20260925061236_ride_official_climb_attempts_average_power.sql
new file mode 100644
index 0000000..e0c4bf1
--- /dev/null
+++ b/db/migrations/20260925061236_ride_official_climb_attempts_average_power.sql
@@ -0,0 +1,6 @@
+-- Average power over the attempt interval; null for rides without a power meter.
+-- migrate:up
+ALTER TABLE ride_official_climb_attempts ADD COLUMN average_power_w real;
+
+-- migrate:down
+ALTER TABLE ride_official_climb_attempts DROP COLUMN average_power_w;