feat(playback): click transcript to seek + highlight/scroll active line; Obsidian export button (FR-REC-5, FR-STORE-4)

src/lib/views/TranscriptNotes.svelte

@@ -5,6 +5,7 @@
   import { recording } from "../stores/recording.svelte";
   import { meetings } from "../stores/meetings.svelte";
   import { settings } from "../stores/settings.svelte";
+  import { player } from "../stores/player.svelte";
   import { api, type SpeakerInfo } from "../api";
   import { renderMarkdown } from "../markdown";
   import { save, open } from "@tauri-apps/plugin-dialog";
@@ -193,6 +194,47 @@
     if (path) await api.exportMeeting(m.id, path, "docx");
   }
 
+  // Export a single self-contained Obsidian note (frontmatter + notes + summary
+  // + action items + timestamped transcript, no audio) — save it into a vault
+  // folder from the dialog. FR-STORE-4 sibling of the bundle export.
+  async function exportObsidian() {
+    const m = meetings.selected;
+    if (!m) return;
+    const path = await save({
+      defaultPath: `${m.title}.md`,
+      filters: [{ name: "Obsidian note", extensions: ["md"] }],
+    });
+    if (path) await api.exportMeeting(m.id, path, "obsidian");
+  }
+
+  // FR-REC-5: the finalized segment currently playing (greatest start_ms at or
+  // before the playhead), for highlight + auto-scroll. currentMs ticks ~4x/s
+  // but this only changes value at a segment boundary, so the effect below is
+  // quiet between boundaries.
+  const activeSegId = $derived.by(() => {
+    const ms = player.currentMs;
+    let id: number | null = null;
+    for (const s of meetings.selected?.segments ?? []) {
+      if (s.start_ms <= ms) id = s.id;
+      else break;
+    }
+    return id;
+  });
+
+  // Auto-scroll the playing segment into view — unless the user scrolled the
+  // transcript by hand recently, so playback doesn't yank them back.
+  // ponytail: 4s manual-scroll grace; widen if it still feels grabby.
+  let transcriptEl = $state<HTMLElement | null>(null);
+  let lastManualScroll = 0;
+  $effect(() => {
+    const id = activeSegId;
+    if (id == null || !transcriptEl) return;
+    if (Date.now() - lastManualScroll < 4000) return;
+    transcriptEl
+      .querySelector<HTMLElement>(".seg.active")
+      ?.scrollIntoView({ block: "nearest", behavior: "smooth" });
+  });
+
   let reprocessModel = $state("");
   // T8.7/FR-TRX-4: "" reuses the meeting's current language (backend default
   // when `language` is omitted) rather than resetting it to auto.
@@ -224,7 +266,13 @@
       style="grid-template-columns: {splitColumns()};"
       bind:clientWidth={splitWidth}
     >
-      <div class="pane transcript" class:collapsed={layout.transcriptCollapsed}>
+      <div
+        class="pane transcript"
+        class:collapsed={layout.transcriptCollapsed}
+        bind:this={transcriptEl}
+        onwheel={() => (lastManualScroll = Date.now())}
+        ontouchmove={() => (lastManualScroll = Date.now())}
+      >
         {#if layout.transcriptCollapsed}
           <button
             class="pane-toggle"
@@ -277,11 +325,17 @@
             <p class="muted">No transcript for this meeting.</p>
           {:else}
             {#each m.segments as s (s.id)}
-              <p>
+              <button
+                type="button"
+                class="seg"
+                class:active={s.id === activeSegId}
+                onclick={() => player.seek(s.start_ms)}
+                title="Play from here"
+              >
                 <span class="ts">{fmtTs(s.start_ms)}</span>
                 <strong>{speakerName(s.speaker, m.speakers)}:</strong>
                 {s.text}
-              </p>
+              </button>
             {/each}
           {/if}
         {/if}
@@ -379,6 +433,13 @@
               <FolderOutput size={13} aria-hidden="true" />
               Bundle
             </button>
+            <button
+              onclick={exportObsidian}
+              title="Export one Obsidian note (notes + summary + transcript, no audio)"
+            >
+              <NotebookPen size={13} aria-hidden="true" />
+              Obsidian
+            </button>
           </div>
           <div class="editor-preview">
             {#if notesPreview}
@@ -577,6 +638,30 @@
   .note-badge {
     margin-left: 0.3rem;
   }
+  /* Finalized-transcript line: a click-to-seek button styled to read as plain
+     transcript text, highlighted while it's the segment currently playing. */
+  .seg {
+    display: block;
+    width: 100%;
+    text-align: left;
+    background: transparent;
+    border: none;
+    border-left: 2px solid transparent;
+    color: inherit;
+    font: inherit;
+    line-height: 1.5;
+    padding: 0.15rem 0.4rem;
+    border-radius: var(--radius-sm);
+    cursor: pointer;
+    transition: background-color 120ms ease-out;
+  }
+  .seg:hover {
+    background: var(--bg-hover);
+  }
+  .seg.active {
+    background: var(--accent-soft);
+    border-left-color: var(--accent);
+  }
   /* Transcript timestamp: a quiet monospace prefix, not competing with the
      speaker name or text for attention. */
   .ts {