feat(period): p and a letter picks a period from any page

p t current period, p m month to date, p 7 and p 3 the last seven and
thirty days, p y year to date, p l last year, p a everything, p c
custom dates, p p opens the period menu, which now shows each key. The
same presets are in the palette. Currencies make primary moves to P and
the subscriptions card/currency toggle to v to free p.

src/lib/components/shell/PeriodPicker.svelte

@@ -4,13 +4,13 @@
   import ChevronRight from "@lucide/svelte/icons/chevron-right";
   import { Popover } from "bits-ui";
   import { period } from "#lib/period.svelte.js";
+  import { ui } from "#lib/ui.svelte.js";
 
-  let open = $state(false);
   let start = $state(period.start);
   let end = $state(period.end);
 
   $effect(() => {
-    if (open) {
+    if (ui.periodOpen) {
       ({ start, end } = period);
     }
   });
@@ -19,7 +19,7 @@
     event.preventDefault();
     if (start && end && start <= end) {
       period.set({ end, start });
-      open = false;
+      ui.periodOpen = false;
     }
   }
 </script>
@@ -34,7 +34,7 @@
   >
     <ChevronLeft class="size-4" />
   </button>
-  <Popover.Root bind:open>
+  <Popover.Root bind:open={ui.periodOpen}>
     <Popover.Trigger
       class="flex h-8 items-center gap-2 px-2 font-medium text-[13px] hover:bg-black/10"
       title="Choose period"
@@ -59,11 +59,16 @@
                 : ""}"
               onclick={() => {
                 period.set(preset.range);
-                open = false;
+                ui.periodOpen = false;
               }}
               type="button"
             >
               {preset.label}
+              {#if preset.key || preset.hint}
+                <span class="kbd"
+                  >{preset.key ? `p ${preset.key}` : preset.hint}</span
+                >
+              {/if}
             </button>
           {/each}
         </div>
@@ -76,6 +81,7 @@
               Start
               <input
                 class="cladd-cut cladd-focusable-input h-8 rounded-cladd-sm px-2 text-[13px] text-cladd-fg"
+                id="period-start"
                 type="date"
                 bind:value={start}
               >