feat(playback): seek audio on transcript click, push position on timeupdate (FR-REC-5)

src/lib/views/SummaryPanel.svelte

@@ -4,6 +4,7 @@
   import { meetings } from "../stores/meetings.svelte";
   import { calendar } from "../stores/calendar.svelte";
   import { settings } from "../stores/settings.svelte";
+  import { player } from "../stores/player.svelte";
   import {
     api,
     errorMessage,
@@ -39,10 +40,12 @@
   // ---- Recording playback (FR-REC-5) ----
   let audioSrc = $state<string | null>(null);
   let audioError = $state<string | null>(null);
+  let audioEl = $state<HTMLAudioElement | null>(null);
   $effect(() => {
     const m = meetings.selected;
     audioSrc = null;
     audioError = null;
+    player.reset();
     if (m?.recorded) {
       const id = m.id;
       api
@@ -56,6 +59,17 @@
     }
   });
 
+  // Seek + play when a transcript segment is clicked (player.seek bumps the
+  // nonce so re-clicking the same segment still jumps). Reading seekNonce is
+  // what makes this effect re-run.
+  $effect(() => {
+    player.seekNonce;
+    const ms = player.seekMs;
+    if (ms == null || !audioEl) return;
+    audioEl.currentTime = ms / 1000;
+    void audioEl.play().catch(() => {});
+  });
+
   // ---- Summary + action items (T5.4/T5.5/T5.6, FR-LLM-2/3/4) ----
   let llmStatus = $state<LlmStatus | null>(null);
   async function refreshLlmStatus() {
@@ -490,6 +504,8 @@
         controls
         controlsList="nodownload noplaybackrate"
         oncontextmenu={(e) => e.preventDefault()}
+        bind:this={audioEl}
+        ontimeupdate={() => audioEl && (player.currentMs = audioEl.currentTime * 1000)}
         src={audioSrc}
       ></audio>
     {:else if audioError}