fix: copy transcript (#674)

* Copy transcript

* Fix share copy transcript

* Move copy button above transcript

www/app/(app)/transcripts/buildTranscriptWithTopics.ts

@@ -0,0 +1,60 @@
+import type { components } from "../../reflector-api";
+import { formatTime } from "../../lib/time";
+
+type GetTranscriptTopic = components["schemas"]["GetTranscriptTopic"];
+type Participant = components["schemas"]["Participant"];
+
+function getSpeakerName(
+  speakerNumber: number,
+  participants?: Participant[] | null,
+): string {
+  const name = participants?.find((p) => p.speaker === speakerNumber)?.name;
+  return name && name.trim().length > 0 ? name : `Speaker ${speakerNumber}`;
+}
+
+export function buildTranscriptWithTopics(
+  topics: GetTranscriptTopic[],
+  participants?: Participant[] | null,
+  transcriptTitle?: string | null,
+): string {
+  const blocks: string[] = [];
+
+  if (transcriptTitle && transcriptTitle.trim()) {
+    blocks.push(`# ${transcriptTitle.trim()}`);
+    blocks.push("");
+  }
+
+  for (const topic of topics) {
+    // Topic header
+    const topicTime = formatTime(Math.floor(topic.timestamp || 0));
+    const title = topic.title?.trim() || "Untitled Topic";
+    blocks.push(`## ${title} [${topicTime}]`);
+
+    if (topic.segments && topic.segments.length > 0) {
+      for (const seg of topic.segments) {
+        const ts = formatTime(Math.floor(seg.start || 0));
+        const speaker = getSpeakerName(seg.speaker as number, participants);
+        const text = (seg.text || "").replace(/\s+/g, " ").trim();
+        if (text) {
+          blocks.push(`[${ts}] ${speaker}: ${text}`);
+        }
+      }
+    } else if (topic.transcript) {
+      // Fallback: plain transcript when segments are not present
+      const text = topic.transcript.replace(/\s+/g, " ").trim();
+      if (text) {
+        blocks.push(text);
+      }
+    }
+
+    // Blank line between topics
+    blocks.push("");
+  }
+
+  // Trim trailing blank line
+  while (blocks.length > 0 && blocks[blocks.length - 1] === "") {
+    blocks.pop();
+  }
+
+  return blocks.join("\n");
+}