diff --git a/app/Http/Controllers/Meet/MeetingRoomController.php b/app/Http/Controllers/Meet/MeetingRoomController.php
index e9fbeb3..b069b15 100644
--- a/app/Http/Controllers/Meet/MeetingRoomController.php
+++ b/app/Http/Controllers/Meet/MeetingRoomController.php
@@ -617,8 +617,7 @@ class MeetingRoomController extends Controller
             return response()->json(['ok' => false], 422);
         }
 
-        $transcript = $session->transcripts()->latest()->first()
-            ?? $this->transcripts->ensureForSession($session);
+        $transcript = $this->transcripts->getOrCreateForSession($session);
 
         $this->transcripts->appendSegment($transcript, $participant->display_name, $validated['text']);
 
diff --git a/app/Jobs/GenerateAiSummary.php b/app/Jobs/GenerateAiSummary.php
index a09ae88..db30e96 100644
--- a/app/Jobs/GenerateAiSummary.php
+++ b/app/Jobs/GenerateAiSummary.php
@@ -11,6 +11,8 @@ class GenerateAiSummary implements ShouldQueue
 {
     use Queueable;
 
+    public int $tries = 2;
+
     public function __construct(
         public int $transcriptId,
     ) {}
diff --git a/app/Services/Meet/MeetAiService.php b/app/Services/Meet/MeetAiService.php
index 8250e5a..b0002eb 100644
--- a/app/Services/Meet/MeetAiService.php
+++ b/app/Services/Meet/MeetAiService.php
@@ -2,9 +2,9 @@
 
 namespace App\Services\Meet;
 
+use App\Models\ActionItem;
 use App\Models\AiSummary;
 use App\Models\Transcript;
-use App\Models\ActionItem;
 use Illuminate\Support\Facades\Http;
 use Illuminate\Support\Str;
 use RuntimeException;
@@ -19,15 +19,35 @@ class MeetAiService
 
     public function summarize(Transcript $transcript): AiSummary
     {
-        $summary = AiSummary::create([
-            'owner_ref' => $transcript->owner_ref,
-            'session_id' => $transcript->session_id,
-            'transcript_id' => $transcript->id,
-            'status' => 'processing',
-        ]);
+        $transcript->loadMissing('session.room');
+
+        if ($transcript->session) {
+            app(TranscriptService::class)->refreshContent($transcript, $transcript->session);
+            $transcript->refresh();
+        }
+
+        $summary = AiSummary::query()
+            ->where('transcript_id', $transcript->id)
+            ->first();
+
+        if ($summary) {
+            $summary->actionItems()->delete();
+            $summary->update([
+                'status' => 'processing',
+                'summary' => '',
+                'decisions' => [],
+            ]);
+        } else {
+            $summary = AiSummary::create([
+                'owner_ref' => $transcript->owner_ref,
+                'session_id' => $transcript->session_id,
+                'transcript_id' => $transcript->id,
+                'status' => 'processing',
+            ]);
+        }
 
         try {
-            $result = $this->generateSummary((string) $transcript->content);
+            $result = $this->generateSummary($transcript);
             $summary->update([
                 'status' => 'ready',
                 'summary' => $result['summary'] ?? '',
@@ -57,21 +77,15 @@ class MeetAiService
     /**
      * @return array{summary: string, decisions: array, action_items: array}
      */
-    protected function generateSummary(string $transcript): array
+    protected function generateSummary(Transcript $transcript): array
     {
+        $content = trim((string) $transcript->content);
+
         if (! $this->enabled()) {
-            return $this->stubSummary($transcript);
+            return $this->stubSummary($content);
         }
 
-        $prompt = <<<PROMPT
-Analyze this meeting transcript and respond in JSON with keys:
-- summary (string, 2-4 paragraphs)
-- decisions (array of strings)
-- action_items (array of {assignee, description, due_date or null})
-
-Transcript:
-{$transcript}
-PROMPT;
+        $prompt = $this->buildPrompt($transcript, $content);
 
         $reply = $this->hasLocalKey()
             ? $this->viaOpenAi($prompt)
@@ -85,6 +99,55 @@ PROMPT;
         return $parsed;
     }
 
+    protected function buildPrompt(Transcript $transcript, string $content): string
+    {
+        $session = $transcript->session;
+        $room = $session?->room;
+        $title = $room?->title ?? 'Meeting';
+        $duration = 'unknown';
+
+        if ($session?->started_at && $session?->ended_at) {
+            $minutes = max(1, $session->started_at->diffInMinutes($session->ended_at));
+            $duration = $minutes.' minutes';
+        }
+
+        $participantCount = $session?->participants()->where('status', 'joined')->count() ?? 0;
+        $segments = $transcript->segments ?? [];
+        $chatLineCount = collect($segments)->where('source', 'chat')->count();
+        $captionLineCount = collect($segments)->filter(
+            fn (array $segment) => ($segment['source'] ?? 'caption') === 'caption',
+        )->count();
+
+        $isSparse = $content === ''
+            || $content === 'No transcript content available.'
+            || strlen($content) < 120;
+
+        $sourceNote = "The transcript combines in-meeting chat ({$chatLineCount} messages) "
+            ."and live speech captions ({$captionLineCount} lines). "
+            ."Caption lines are the primary record of spoken conversation — use them when chat is minimal.\n\n";
+
+        $sparseNote = $isSparse
+            ? "IMPORTANT: The transcript below is very limited and does not include a full audio transcription. "
+                ."If it does not contain enough detail to summarize the meeting accurately, say so clearly in the summary. "
+                ."Do not invent topics, decisions, or action items that are not supported by the transcript.\n\n"
+            : "Only summarize what is explicitly supported by the transcript below.\n\n";
+
+        return <<<PROMPT
+{$sourceNote}{$sparseNote}Meeting context:
+- Title: {$title}
+- Duration: {$duration}
+- Participants in call: {$participantCount}
+
+Analyze this meeting transcript and respond in JSON with keys:
+- summary (string, 2-4 paragraphs)
+- decisions (array of strings)
+- action_items (array of {assignee, description, due_date or null})
+
+Transcript:
+{$content}
+PROMPT;
+    }
+
     protected function stubSummary(string $transcript): array
     {
         $preview = Str::limit($transcript, 500);
@@ -98,13 +161,16 @@ PROMPT;
 
     protected function viaOpenAi(string $prompt): string
     {
-        $res = Http::withToken((string) config('meet.ai.api_key'))->acceptJson()->timeout(60)
+        $res = Http::withToken((string) config('meet.ai.api_key'))->acceptJson()->timeout(120)
             ->post('https://api.openai.com/v1/chat/completions', [
                 'model' => config('meet.ai.model', 'gpt-4o-mini'),
                 'temperature' => 0.2,
                 'response_format' => ['type' => 'json_object'],
                 'messages' => [
-                    ['role' => 'system', 'content' => 'You summarize Ladill Meet transcripts. Return valid JSON only.'],
+                    [
+                        'role' => 'system',
+                        'content' => 'You summarize Ladill Meet sessions from text transcripts. Return valid JSON only. Never fabricate content missing from the transcript.',
+                    ],
                     ['role' => 'user', 'content' => $prompt],
                 ],
             ]);
@@ -119,12 +185,12 @@ PROMPT;
     protected function viaPlatform(string $prompt): string
     {
         $base = rtrim((string) config('meet.ai.platform_api_url'), '/');
-        $res = Http::withToken((string) config('meet.ai.platform_api_key'))->acceptJson()->timeout(60)
+        $res = Http::withToken((string) config('meet.ai.platform_api_key'))->acceptJson()->timeout(120)
             ->post($base.'/afia/chat', [
                 'product' => 'meet',
                 'message' => $prompt,
                 'history' => [],
-                'system_prompt' => 'You summarize Ladill Meet transcripts. Return valid JSON only.',
+                'system_prompt' => 'You summarize Ladill Meet sessions from text transcripts. Return valid JSON only. Never fabricate content missing from the transcript.',
             ]);
 
         if ($res->failed()) {
diff --git a/app/Services/Meet/RecordingService.php b/app/Services/Meet/RecordingService.php
index ffcec84..2a4ff9b 100644
--- a/app/Services/Meet/RecordingService.php
+++ b/app/Services/Meet/RecordingService.php
@@ -175,7 +175,7 @@ class RecordingService
         app(MeetBillingService::class)->chargeRecordingStorageInitial($recording);
 
         if ($session->room->setting('auto_ai_summary', false) || config('meet.ai.auto_summarize', true)) {
-            app(TranscriptService::class)->ensureForSession($session, $recording);
+            app(TranscriptService::class)->finalizeAndSummarize($session, $recording);
         }
 
         return $recording->fresh();
@@ -231,7 +231,7 @@ class RecordingService
         app(MeetBillingService::class)->chargeRecordingStorageInitial($recording->fresh());
 
         if ($session->room->setting('auto_ai_summary', false) || config('meet.ai.auto_summarize', true)) {
-            app(TranscriptService::class)->ensureForSession($session, $recording);
+            app(TranscriptService::class)->finalizeAndSummarize($session, $recording);
         }
 
         return $recording->fresh();
diff --git a/app/Services/Meet/TranscriptService.php b/app/Services/Meet/TranscriptService.php
index 40b3488..36c8efc 100644
--- a/app/Services/Meet/TranscriptService.php
+++ b/app/Services/Meet/TranscriptService.php
@@ -2,29 +2,43 @@
 
 namespace App\Services\Meet;
 
+use App\Jobs\GenerateAiSummary;
 use App\Models\Recording;
 use App\Models\Session;
 use App\Models\Transcript;
-use App\Jobs\GenerateAiSummary;
 
 class TranscriptService
 {
-    public function ensureForSession(Session $session, ?Recording $recording = null): Transcript
+    public function getOrCreateForSession(Session $session, ?Recording $recording = null): Transcript
     {
         $existing = $session->transcripts()->where('status', '!=', 'failed')->latest()->first();
         if ($existing) {
+            if ($recording && ! $existing->recording_id) {
+                $existing->update(['recording_id' => $recording->id]);
+            }
+
             return $existing;
         }
 
-        $transcript = Transcript::create([
+        return Transcript::create([
             'owner_ref' => $session->owner_ref,
             'session_id' => $session->id,
             'recording_id' => $recording?->id,
             'status' => 'processing',
             'live_captions_enabled' => (bool) $session->room->setting('live_captions', false),
         ]);
+    }
 
-        $this->populateFromChat($transcript, $session);
+    /** @deprecated Use finalizeAndSummarize() when a recording is ready. */
+    public function ensureForSession(Session $session, ?Recording $recording = null): Transcript
+    {
+        return $this->finalizeAndSummarize($session, $recording);
+    }
+
+    public function finalizeAndSummarize(Session $session, ?Recording $recording = null): Transcript
+    {
+        $transcript = $this->getOrCreateForSession($session, $recording);
+        $this->refreshContent($transcript, $session);
 
         GenerateAiSummary::dispatch($transcript->id);
 
@@ -38,9 +52,11 @@ class TranscriptService
             'speaker' => $speaker,
             'text' => trim($text),
             'at' => now()->toIso8601String(),
+            'source' => 'caption',
         ];
 
-        $content = collect($segments)->map(fn ($s) => ($s['speaker'] ?? 'Speaker').': '.($s['text'] ?? ''))->implode("\n");
+        $segments = $this->compactCaptionSegments($segments);
+        $content = $this->segmentsToContent($segments);
 
         $transcript->update([
             'segments' => $segments,
@@ -51,21 +67,128 @@ class TranscriptService
         return $transcript;
     }
 
-    protected function populateFromChat(Transcript $transcript, Session $session): void
+    public function refreshContent(Transcript $transcript, Session $session): void
     {
-        $messages = $session->messages()->orderBy('created_at')->get();
-        $segments = $messages->map(fn ($m) => [
-            'speaker' => $m->sender_name,
-            'text' => $m->body,
-            'at' => $m->created_at->toIso8601String(),
-        ])->all();
+        $segments = $session->messages()
+            ->orderBy('created_at')
+            ->get()
+            ->map(fn ($message) => [
+                'speaker' => $message->sender_name,
+                'text' => $message->body,
+                'at' => $message->created_at->toIso8601String(),
+                'source' => 'chat',
+            ])
+            ->all();
 
-        $content = $messages->map(fn ($m) => $m->sender_name.': '.$m->body)->implode("\n");
+        foreach ($transcript->segments ?? [] as $segment) {
+            $source = $segment['source'] ?? null;
+            if ($source === 'chat') {
+                continue;
+            }
+
+            $text = trim((string) ($segment['text'] ?? ''));
+            if ($text === '') {
+                continue;
+            }
+
+            $segments[] = array_merge($segment, ['source' => 'caption']);
+        }
+
+        $segments = $this->compactCaptionSegments($segments);
+        usort($segments, fn (array $a, array $b) => strcmp((string) ($a['at'] ?? ''), (string) ($b['at'] ?? '')));
+        $content = $this->segmentsToContent($segments);
 
         $transcript->update([
             'segments' => $segments,
-            'content' => $content ?: 'No transcript content available.',
+            'content' => $content !== '' ? $content : 'No transcript content available.',
             'status' => 'ready',
         ]);
     }
+
+    /**
+     * @param  array<int, array<string, mixed>>  $segments
+     * @return array<int, array<string, mixed>>
+     */
+    protected function compactCaptionSegments(array $segments): array
+    {
+        $compact = [];
+
+        foreach ($segments as $segment) {
+            if (($segment['source'] ?? '') === 'chat') {
+                $compact[] = $segment;
+
+                continue;
+            }
+
+            $speaker = (string) ($segment['speaker'] ?? 'Speaker');
+            $text = trim((string) ($segment['text'] ?? ''));
+            if ($text === '') {
+                continue;
+            }
+
+            $lastCaptionIndex = $this->lastCaptionIndex($compact);
+            if ($lastCaptionIndex !== null && ($compact[$lastCaptionIndex]['speaker'] ?? '') === $speaker) {
+                $lastText = trim((string) ($compact[$lastCaptionIndex]['text'] ?? ''));
+
+                if ($this->captionTextsEquivalent($lastText, $text)) {
+                    continue;
+                }
+
+                if ($lastText !== '' && $this->captionTextExtends($lastText, $text)) {
+                    $compact[$lastCaptionIndex] = $segment;
+
+                    continue;
+                }
+
+                if ($lastText !== '' && $this->captionTextExtends($text, $lastText)) {
+                    continue;
+                }
+            }
+
+            $compact[] = $segment;
+        }
+
+        return $compact;
+    }
+
+    /**
+     * @param  array<int, array<string, mixed>>  $segments
+     */
+    protected function lastCaptionIndex(array $segments): ?int
+    {
+        for ($index = count($segments) - 1; $index >= 0; $index -= 1) {
+            if (($segments[$index]['source'] ?? '') !== 'chat') {
+                return $index;
+            }
+        }
+
+        return null;
+    }
+
+    protected function captionTextsEquivalent(string $left, string $right): bool
+    {
+        return mb_strtolower(trim($left)) === mb_strtolower(trim($right));
+    }
+
+    protected function captionTextExtends(string $shorter, string $longer): bool
+    {
+        $shorter = mb_strtolower(trim($shorter));
+        $longer = mb_strtolower(trim($longer));
+
+        if ($shorter === '' || $longer === '') {
+            return false;
+        }
+
+        return str_starts_with($longer, $shorter);
+    }
+
+    /**
+     * @param  array<int, array<string, mixed>>  $segments
+     */
+    protected function segmentsToContent(array $segments): string
+    {
+        return collect($segments)
+            ->map(fn ($segment) => ($segment['speaker'] ?? 'Speaker').': '.($segment['text'] ?? ''))
+            ->implode("\n");
+    }
 }
diff --git a/resources/js/meet-room.js b/resources/js/meet-room.js
index 3ac4c34..59acdd7 100644
--- a/resources/js/meet-room.js
+++ b/resources/js/meet-room.js
@@ -370,8 +370,18 @@ function meetRoom() {
                 });
                 room.on(RoomEvent.TrackUnsubscribed, (track, publication, participant) => {
                     track.detach();
-                    if (track.kind === Track.Kind.Video && publication.source !== Track.Source.ScreenShare) {
+
+                    const isScreen = publication?.source === Track.Source.ScreenShare
+                        || track.source === Track.Source.ScreenShare;
+
+                    if (isScreen) {
+                        this.clearScreenShareOverlay();
+                        return;
+                    }
+
+                    if (track.kind === Track.Kind.Video) {
                         this.updateParticipantTile(participant);
+                        this.reattachParticipantVideo(participant);
                     }
                 });
                 room.on(RoomEvent.TrackMuted, (publication, participant) => {
@@ -408,7 +418,11 @@ function meetRoom() {
                 });
                 room.on(RoomEvent.LocalTrackUnpublished, (publication, participant) => {
                     if (publication.kind === Track.Kind.Video) {
-                        this.updateParticipantTile(participant);
+                        if (publication.source === Track.Source.ScreenShare) {
+                            this.clearScreenShareOverlay();
+                        } else {
+                            this.updateParticipantTile(participant);
+                        }
                     }
                     this.syncLocalMediaState();
                 });
@@ -660,6 +674,15 @@ function meetRoom() {
             const local = room.localParticipant;
             this.isMuted = !local.isMicrophoneEnabled;
             this.isVideoOff = !local.isCameraEnabled;
+            this.isScreenSharing = Array.from(local.videoTrackPublications.values())
+                .some((pub) => pub.source === Track.Source.ScreenShare && pub.track && !pub.isMuted);
+
+            if (!this.isScreenSharing) {
+                const screen = document.getElementById('screen-share');
+                if (screen && !screen.classList.contains('hidden')) {
+                    this.clearScreenShareOverlay();
+                }
+            }
         },
 
         participantInitials(name) {
@@ -1657,12 +1680,15 @@ function meetRoom() {
 
             if (hasVideo) {
                 avatar?.classList.add('hidden');
-                if (!stage?.querySelector('video')) {
-                    const publication = Array.from(participant.videoTrackPublications.values())
-                        .find((pub) => pub.source !== Track.Source.ScreenShare && pub.track && !pub.isMuted);
-                    if (publication?.track) {
-                        this.attachVideoToTile(participant, publication.track);
-                    }
+                const publication = Array.from(participant.videoTrackPublications.values())
+                    .find((pub) => pub.source !== Track.Source.ScreenShare && pub.track && !pub.isMuted);
+                const video = stage?.querySelector('video');
+                const needsAttach = !video
+                    || video.readyState === HTMLMediaElement.HAVE_NOTHING
+                    || !video.srcObject;
+
+                if (publication?.track && needsAttach) {
+                    this.attachVideoToTile(participant, publication.track);
                 }
 
                 return;
@@ -1707,27 +1733,76 @@ function meetRoom() {
             this.updateParticipantTile(participant);
         },
 
+        publishCaption(text) {
+            const normalized = text.trim();
+            if (!normalized || !this.config.captionUrl) {
+                return;
+            }
+
+            if (normalized === this._lastCaptionSent) {
+                this.captionText = normalized;
+                return;
+            }
+
+            this._lastCaptionSent = normalized;
+            this.captionText = normalized;
+
+            fetch(this.config.captionUrl, {
+                method: 'POST',
+                headers: this.headers(),
+                body: JSON.stringify({ text: normalized }),
+            }).catch(() => {});
+        },
+
         setupCaptionPipeline() {
             if (!this.liveCaptions || !this.config.captionUrl) return;
-            if (room?.localParticipant?.isMicrophoneEnabled) return;
 
             const SpeechRecognition = window.SpeechRecognition || window.webkitSpeechRecognition;
             if (!SpeechRecognition) return;
 
+            if (this._captionRecognition) {
+                return;
+            }
+
             const recognition = new SpeechRecognition();
             recognition.continuous = true;
             recognition.interimResults = true;
             recognition.onresult = (event) => {
-                const text = event.results[event.results.length - 1][0].transcript.trim();
-                if (!text) return;
-                this.captionText = text;
-                fetch(this.config.captionUrl, {
-                    method: 'POST',
-                    headers: this.headers(),
-                    body: JSON.stringify({ text }),
-                }).catch(() => {});
+                let interim = '';
+
+                for (let index = event.resultIndex; index < event.results.length; index += 1) {
+                    const result = event.results[index];
+                    const text = result[0]?.transcript?.trim() ?? '';
+                    if (!text) {
+                        continue;
+                    }
+
+                    if (result.isFinal) {
+                        this.publishCaption(text);
+                    } else {
+                        interim = text;
+                    }
+                }
+
+                if (interim) {
+                    this.captionText = interim;
+                }
             };
             recognition.onerror = () => {};
+            recognition.onend = () => {
+                if (!this.liveCaptions || !room) {
+                    return;
+                }
+
+                try {
+                    recognition.start();
+                } catch (e) {
+                    // browser may block without gesture
+                }
+            };
+
+            this._captionRecognition = recognition;
+
             try {
                 recognition.start();
             } catch (e) {
@@ -2297,6 +2372,34 @@ function meetRoom() {
             this.updateParticipantTile(participant);
         },
 
+        clearScreenShareOverlay() {
+            const screen = document.getElementById('screen-share');
+            if (!screen) {
+                return;
+            }
+
+            screen.querySelectorAll('video').forEach((element) => {
+                element.srcObject = null;
+            });
+            screen.classList.add('hidden');
+            screen.replaceChildren();
+
+            if (room?.localParticipant) {
+                this.isScreenSharing = Array.from(room.localParticipant.videoTrackPublications.values())
+                    .some((pub) => pub.source === Track.Source.ScreenShare && pub.track && !pub.isMuted);
+            } else {
+                this.isScreenSharing = false;
+            }
+
+            if (!room || this.audioOnly) {
+                return;
+            }
+
+            const participants = [room.localParticipant, ...room.remoteParticipants.values()];
+            participants.forEach((participant) => this.reattachParticipantVideo(participant));
+            this.syncParticipants();
+        },
+
         attachTrack(track, publication, participant) {
             if (track.kind === Track.Kind.Audio) {
                 if (participant === room?.localParticipant) return;
@@ -2334,6 +2437,15 @@ function meetRoom() {
                 const el = track.attach();
                 el.className = 'h-full w-full rounded-xl object-contain';
                 container.appendChild(el);
+
+                track.mediaStreamTrack?.addEventListener('ended', () => {
+                    this.clearScreenShareOverlay();
+                }, { once: true });
+
+                if (participant === room?.localParticipant) {
+                    this.isScreenSharing = true;
+                }
+
                 return;
             }
 
@@ -2484,11 +2596,7 @@ function meetRoom() {
             this.isScreenSharing = !this.isScreenSharing;
             await room.localParticipant.setScreenShareEnabled(this.isScreenSharing);
             if (!this.isScreenSharing) {
-                const screen = document.getElementById('screen-share');
-                if (screen) {
-                    screen.classList.add('hidden');
-                    screen.innerHTML = '';
-                }
+                this.clearScreenShareOverlay();
             }
         },
 
diff --git a/tests/Feature/MeetTranscriptServiceTest.php b/tests/Feature/MeetTranscriptServiceTest.php
new file mode 100644
index 0000000..5b4aa74
--- /dev/null
+++ b/tests/Feature/MeetTranscriptServiceTest.php
@@ -0,0 +1,166 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Http\Middleware\EnsurePlatformSession;
+use App\Jobs\GenerateAiSummary;
+use App\Models\Member;
+use App\Models\Message;
+use App\Models\Organization;
+use App\Models\Participant;
+use App\Models\Recording;
+use App\Models\Room;
+use App\Models\Session;
+use App\Models\User;
+use App\Services\Meet\TranscriptService;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Facades\Queue;
+use Tests\TestCase;
+
+class MeetTranscriptServiceTest extends TestCase
+{
+    use RefreshDatabase;
+
+    protected User $user;
+
+    protected Organization $organization;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->withoutMiddleware(EnsurePlatformSession::class);
+
+        $this->user = User::create([
+            'public_id' => 'test-user-transcript',
+            'name' => 'Test User',
+            'email' => 'transcript@example.com',
+        ]);
+
+        $this->organization = Organization::create([
+            'owner_ref' => $this->user->public_id,
+            'name' => 'Test Org',
+            'slug' => 'test-org-transcript',
+            'timezone' => 'UTC',
+            'settings' => ['onboarded' => true],
+        ]);
+
+        Member::create([
+            'owner_ref' => $this->user->public_id,
+            'organization_id' => $this->organization->id,
+            'user_ref' => $this->user->public_id,
+            'role' => 'owner',
+        ]);
+    }
+
+    public function test_finalize_and_summarize_merges_chat_and_captions_before_dispatching_summary(): void
+    {
+        Queue::fake();
+
+        [$session] = $this->liveSession();
+
+        Message::create([
+            'owner_ref' => $this->user->public_id,
+            'session_id' => $session->id,
+            'sender_ref' => $this->user->public_id,
+            'sender_name' => 'Host',
+            'body' => 'Let us review the launch timeline.',
+            'type' => 'public',
+        ]);
+
+        $service = app(TranscriptService::class);
+        $transcript = $service->getOrCreateForSession($session);
+        $service->appendSegment($transcript, 'Host', 'We should ship the dashboard next week.');
+
+        $recording = Recording::create([
+            'owner_ref' => $this->user->public_id,
+            'session_id' => $session->id,
+            'status' => 'ready',
+            'layout' => 'gallery',
+            'started_by_ref' => $this->user->public_id,
+            'started_at' => now()->subMinutes(30),
+            'ended_at' => now(),
+        ]);
+
+        $service->finalizeAndSummarize($session, $recording);
+
+        $transcript->refresh();
+
+        $this->assertSame($recording->id, $transcript->recording_id);
+        $this->assertStringContainsString('Let us review the launch timeline.', $transcript->content);
+        $this->assertStringContainsString('We should ship the dashboard next week.', $transcript->content);
+
+        Queue::assertPushed(GenerateAiSummary::class, function (GenerateAiSummary $job) use ($transcript) {
+            return $job->transcriptId === $transcript->id;
+        });
+    }
+
+    public function test_caption_append_does_not_queue_summary_job(): void
+    {
+        Queue::fake();
+
+        [$session] = $this->liveSession();
+        $service = app(TranscriptService::class);
+        $transcript = $service->getOrCreateForSession($session);
+        $service->appendSegment($transcript, 'Host', 'Opening remarks.');
+
+        Queue::assertNothingPushed();
+    }
+
+    public function test_caption_segments_collapse_progressive_duplicates(): void
+    {
+        Queue::fake();
+
+        [$session] = $this->liveSession();
+        $service = app(TranscriptService::class);
+        $transcript = $service->getOrCreateForSession($session);
+
+        $service->appendSegment($transcript, 'Trypose', 'Yeah');
+        $service->appendSegment($transcript, 'Trypose', 'Yeah I want to ask');
+        $service->appendSegment($transcript, 'Trypose', 'Yeah I want to ask question please');
+        $service->appendSegment($transcript, 'Trypose', 'Okay');
+        $service->appendSegment($transcript, 'Trypose', 'Okay');
+
+        $transcript->refresh();
+
+        $this->assertSame([
+            'Trypose: Yeah I want to ask question please',
+            'Trypose: Okay',
+        ], explode("\n", $transcript->content));
+    }
+
+    /** @return array{0: Session, 1: Participant} */
+    protected function liveSession(): array
+    {
+        $room = Room::create([
+            'organization_id' => $this->organization->id,
+            'owner_ref' => $this->user->public_id,
+            'host_user_ref' => $this->user->public_id,
+            'title' => 'Transcript meeting',
+            'type' => 'instant',
+            'status' => 'live',
+            'timezone' => 'UTC',
+            'settings' => ['live_captions' => true],
+        ]);
+
+        $session = Session::create([
+            'room_id' => $room->id,
+            'owner_ref' => $this->user->public_id,
+            'media_room_name' => 'room-'.$room->uuid,
+            'status' => 'ended',
+            'started_at' => now()->subMinutes(30),
+            'ended_at' => now(),
+        ]);
+
+        $participant = Participant::create([
+            'owner_ref' => $this->user->public_id,
+            'session_id' => $session->id,
+            'user_ref' => $this->user->public_id,
+            'role' => 'host',
+            'display_name' => 'Host',
+            'status' => 'joined',
+            'joined_at' => now()->subMinutes(30),
+        ]);
+
+        return [$session, $participant];
+    }
+}