Tweak some of the graph descriptions

ftl/core/statistics.ftl

@@ -95,11 +95,12 @@ statistics-range-search = Search
 statistics-card-ease-title = Card Ease
 statistics-card-difficulty-title = Card Difficulty
 statistics-card-stability-title = Card Stability
-statistics-card-stability-subtitle = Predicted delay that you have a 90% chance of remembering.
+statistics-card-stability-subtitle = The delay at which you're 90% likely to remember.
+statistics-average-stability = Average stability
 statistics-card-retrievability-title = Card Retrievability
 statistics-card-ease-subtitle = The lower the ease, the more frequently a card will appear.
 statistics-card-difficulty-subtitle = The higher the difficulty, the harder it is to remember.
-statistics-retrievability-subtitle = How likely you are to remember.
+statistics-retrievability-subtitle = The probability of recalling a card today.
 # eg "3 cards with 150-170% ease"
 statistics-card-ease-tooltip =
     { $cards ->
@@ -162,6 +163,16 @@ statistics-intervals-day-single =
         [one] { $cards } card with a { $day } day interval
        *[other] { $cards } cards with a { $day } day interval
     }
+statistics-stability-day-range =
+    { $cards ->
+        [one] { $cards } card with a { $daysStart }~{ $daysEnd } day stability
+       *[other] { $cards } cards with a { $daysStart }~{ $daysEnd } day stability
+    }
+statistics-stability-day-single =
+    { $cards ->
+        [one] { $cards } card with a { $day } day stability
+       *[other] { $cards } cards with a { $day } day stability
+    }
 # hour range, eg "From 14:00-15:00"
 statistics-hours-range = From { $hourStart }:00~{ $hourEnd }:00
 statistics-hours-correct = { $correct }/{ $total } correct ({ $percent }%)

ts/graphs/IntervalsGraph.svelte

@@ -42,6 +42,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
             range,
             dispatch,
             $prefs.browserLinksSupported,
+            false,
         );
     }
 

ts/graphs/StabilityGraph.svelte

@@ -42,6 +42,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
             range,
             dispatch,
             $prefs.browserLinksSupported,
+            true,
         );
     }
 

ts/graphs/intervals.ts

@@ -47,16 +47,19 @@ export function intervalLabel(
     daysStart: number,
     daysEnd: number,
     cards: number,
+    fsrs: boolean,
 ): string {
     if (daysEnd - daysStart <= 1) {
         // singular
-        return tr.statisticsIntervalsDaySingle({
+        const fn = fsrs ? tr.statisticsStabilityDaySingle : tr.statisticsIntervalsDaySingle;
+        return fn({
             day: daysStart,
             cards,
         });
     } else {
         // range
-        return tr.statisticsIntervalsDayRange({
+        const fn = fsrs ? tr.statisticsStabilityDayRange : tr.statisticsIntervalsDayRange;
+        return fn({
             daysStart,
             daysEnd: daysEnd - 1,
             cards,
@@ -80,6 +83,7 @@ export function prepareIntervalData(
     range: IntervalRange,
     dispatch: SearchDispatch,
     browserLinksSupported: boolean,
+    fsrs: boolean,
 ): [HistogramData | null, TableDatum[]] {
     // get min/max
     const allIntervals = data.intervals;
@@ -144,7 +148,7 @@ export function prepareIntervalData(
         percent: number,
     ): string {
         // const day = dayLabel(bin.x0!, bin.x1!);
-        const interval = intervalLabel(bin.x0!, bin.x1!, bin.length);
+        const interval = intervalLabel(bin.x0!, bin.x1!, bin.length, fsrs);
         const total = tr.statisticsRunningTotal();
         return `${interval}<br>${total}: \u200e${localizedNumber(percent, 1)}%`;
     }
@@ -160,7 +164,7 @@ export function prepareIntervalData(
     const meanIntervalString = timeSpan(meanInterval * 86400, false);
     const tableData = [
         {
-            label: tr.statisticsAverageInterval(),
+            label: fsrs ? tr.statisticsAverageStability() : tr.statisticsAverageInterval(),
             value: meanIntervalString,
         },
     ];