Compact archived evidence transcripts (Refs #159)

src/lib/ui/components/moderation/EvidenceMessages.svelte

@@ -1,55 +1,102 @@
 <script lang="ts">
     import type { ContextualChatEntry } from '$lib/game-chat.js';
+    import { timestampISO } from '$lib/time-zone.js';
+    import { serverIdentity } from '$ui/server-labels.js';
     import { timeFormat } from '$ui/stores/time-zone.js';
     import Badge from '../primitives/Badge.svelte';
 
     let {
         entries,
         selectedMessageIds = [],
-        highlightedMessageIds = []
+        highlightedMessageIds = [],
+        matchId,
+        server,
+        startedAt
     }: {
         entries: ContextualChatEntry[];
         selectedMessageIds?: string[];
         highlightedMessageIds?: string[];
+        matchId?: number | null;
+        server?: string | null;
+        startedAt?: string | null;
     } = $props();
+    const messages = $derived(entries.filter((entry) => entry.type === 'message'));
+    const context = $derived.by(() => {
+        const times = messages
+            .map((entry) => timestampISO(entry.context.realTime))
+            .filter((time): time is string => !!time)
+            .sort();
+        const dates = [...new Set(times.map((time) => $timeFormat.date(time)))];
+        const rounds = messages
+            .map((entry) => entry.context.round)
+            .filter((round): round is number => Number.isInteger(round));
+        const firstRound = Math.min(...rounds);
+        const lastRound = Math.max(...rounds);
+        return [
+            ...(server ? [serverIdentity(server).map] : []),
+            ...(matchId ? [`Match #${matchId}`] : []),
+            dates.length
+                ? dates.length === 1
+                    ? dates[0]
+                    : `${dates[0]} – ${dates[dates.length - 1]}`
+                : timestampISO(startedAt)
+                  ? `Match started ${$timeFormat.date(startedAt)}`
+                  : 'Date not recorded',
+            rounds.length
+                ? `${firstRound === lastRound ? `Round ${firstRound}` : `Rounds ${firstRound}–${lastRound}`}${rounds.length < messages.length ? ' (some unknown)' : ''}`
+                : 'Round not recorded',
+            'Times are estimates.'
+        ].join(' · ');
+    });
 </script>
 
-<p class="excerpt-note">
-    Selected messages and surrounding context in archive order. Messages between separate selections
-    may be omitted.
+<div class="excerpt-context">
+    <p>{context}</p>
+    <p>
+        Highlighted lines are subject messages. Messages between separate selections may be omitted.
     </p>
+</div>
 <ol class="excerpt" aria-label="Preserved conversation excerpt">
-    {#each entries as entry}
-        {#if entry.type === 'message'}
-            {@const highlighted =
-                !!entry.messageId && highlightedMessageIds.includes(entry.messageId)}
+    {#each messages as entry}
+        {@const highlighted = !!entry.messageId && highlightedMessageIds.includes(entry.messageId)}
         {@const selected = !!entry.messageId && selectedMessageIds.includes(entry.messageId)}
+        {@const realTime = timestampISO(entry.context.realTime)}
         <li class:highlighted>
-                <div class="author">
-                    <strong>{entry.message.player}</strong>
-                    {#if entry.message.channel === 'team'}<Badge>Team chat</Badge>{/if}
-                    {#if highlighted}<Badge variant="warning">Subject message</Badge>
-                    {:else if selected}<Badge>Selected context</Badge>
-                    {:else}<span>Surrounding context</span>{/if}
-                </div>
-                <div class="metadata">
-                    <span>GUID {entry.message.guid}</span>
-                    {#if entry.context.realTime}<span
-                            >Estimated time <time datetime={entry.context.realTime}
-                                >{$timeFormat.dateTime(entry.context.realTime)}</time
-                            ></span
-                        >{:else}<span>Message time unknown</span>{/if}
-                    <span>Log {entry.message.time}</span>
-                    {#if entry.context.round !== null}<span>Round {entry.context.round}</span>{/if}
-                </div>
-                <p>{entry.message.message}</p>
-                {#if entry.messageId}<details>
-                        <summary>Message identifier</summary><code>{entry.messageId}</code>
-                    </details>{/if}
+            <span class="message-time">
+                {#if realTime}<time datetime={realTime} title={$timeFormat.dateTime(realTime)}
+                        >{$timeFormat.clockTime(realTime)}</time
+                    >{:else}<span title="Message time unknown">Unknown time</span>{/if}
+            </span>
+            <strong class="author">{entry.message.player}</strong>
+            <p class="message">
+                <span class="sr-only"
+                    >{highlighted
+                        ? 'Subject message: '
+                        : selected
+                          ? 'Selected context: '
+                          : 'Surrounding context: '}</span
+                >{#if entry.message.channel === 'team'}<Badge>Team chat</Badge>{' '}{/if}{entry
+                    .message.message}
+            </p>
         </li>
-        {/if}
     {/each}
 </ol>
+<details class="message-details">
+    <summary>Message details</summary>
+    <ol aria-label="Preserved message details">
+        {#each messages as entry}
+            <li>
+                <strong>{entry.message.player}</strong>
+                <span>GUID <code>{entry.message.guid}</code></span>
+                <span>Original log time · {entry.message.time}</span>
+                {#if Number.isInteger(entry.context.round)}<span>Round {entry.context.round}</span
+                    >{/if}
+                {#if entry.messageId}<span>Message identifier <code>{entry.messageId}</code></span
+                    >{/if}
+            </li>
+        {/each}
+    </ol>
+</details>
 
 <style>
     .excerpt {
@@ -59,50 +106,63 @@
         margin: 0;
         padding: 0;
     }
-    li {
-        padding: var(--space-3);
-        border-left: 3px solid var(--border-subtle);
+    .excerpt > li {
+        display: grid;
+        grid-template-columns: 7.5em minmax(6em, 1fr) minmax(0, 3fr);
+        align-items: baseline;
+        gap: var(--space-3);
+        padding: var(--space-2) var(--space-3);
+        border-left: 3px solid transparent;
         background: var(--surface-sunken);
         min-width: 0;
+        font-size: var(--text-sm);
+        line-height: var(--leading-body);
     }
-    li.highlighted {
+    .excerpt > li.highlighted {
         border-left-color: var(--state-warning);
         background: var(--surface-raised);
     }
     .author,
-    .metadata {
-        display: flex;
-        flex-wrap: wrap;
-        align-items: center;
-        gap: var(--space-2);
+    .message {
+        min-width: 0;
         overflow-wrap: anywhere;
     }
-    .author > span,
-    .metadata {
-        color: var(--text-secondary);
-        font-size: var(--text-xs);
+    .message {
+        white-space: pre-wrap;
     }
-    .metadata {
-        margin-top: var(--space-1);
+    .message-time {
+        color: var(--text-secondary);
+        font-variant-numeric: tabular-nums;
     }
     p {
-        white-space: pre-wrap;
-        overflow-wrap: anywhere;
-        margin: var(--space-2) 0 0;
-        line-height: var(--leading-body);
+        margin: 0;
     }
-    details {
-        margin-top: var(--space-2);
+    .excerpt-context,
+    .message-details {
         font-size: var(--text-xs);
         color: var(--text-secondary);
+        line-height: var(--leading-body);
         overflow-wrap: anywhere;
     }
+    .message-details ol {
+        padding-left: var(--space-5);
+    }
+    .message-details li {
+        padding: var(--space-2) 0;
+    }
+    .message-details li > span {
+        display: block;
+    }
     summary {
         cursor: pointer;
     }
-    .excerpt-note {
-        margin: 0;
-        font-size: var(--text-xs);
-        color: var(--text-secondary);
+    @media (max-width: 640px) {
+        .excerpt > li {
+            grid-template-columns: 7.5em minmax(0, 1fr);
+            gap: var(--space-1) var(--space-3);
+        }
+        .message {
+            grid-column: 1 / -1;
+        }
     }
 </style>

src/lib/ui/components/moderation/MatchEvidenceDialog.svelte

@@ -250,7 +250,12 @@
                 {excerpt.length} messages in this excerpt. Selected subject messages are highlighted.
                 Messages already preserved as evidence in this case are not attached again.
             </p>
-            <EvidenceMessages entries={excerpt} {selectedMessageIds} {highlightedMessageIds} />
+            <EvidenceMessages
+                entries={excerpt}
+                {matchId}
+                {selectedMessageIds}
+                {highlightedMessageIds}
+            />
         </fieldset>
         {#if error}<p class="ui-error" role="alert">{error}</p>{/if}
         {#if uncertain}<p class="hint">

src/lib/ui/moderation-evidence.ts

@@ -30,8 +30,8 @@ export function preservedConversation(value: unknown): {
 } | null {
     if (!value || typeof value !== 'object') return null;
     const snapshot = value as Record<string, unknown>;
-    if (!Array.isArray(snapshot.entries)) return null;
-    const entries = snapshot.entries.filter(
+    const candidates = Array.isArray(snapshot.entries) ? snapshot.entries : [snapshot.entry];
+    const entries = candidates.filter(
         (entry): entry is Extract<ContextualChatEntry, { type: 'message' }> => {
             if (!entry || typeof entry !== 'object' || entry.type !== 'message') return false;
             return (

src/routes/moderation/cases/[id]/+page.svelte

@@ -189,17 +189,6 @@
                     typeof value.entry?.message?.player === 'string'
                         ? (value.entry.message.player as string)
                         : null,
-                time:
-                    typeof value.entry?.message?.time === 'string'
-                        ? (value.entry.message.time as string)
-                        : null,
-                realTime:
-                    typeof value.entry?.context?.realTime === 'string'
-                        ? (value.entry.context.realTime as string)
-                        : null,
-                round: Number.isInteger(value.entry?.context?.round)
-                    ? (value.entry.context.round as number)
-                    : null,
                 original: JSON.stringify(value, null, 2),
                 excerpt: preservedConversation(value)
             };
@@ -302,45 +291,32 @@
                             {@const archive = archiveContext(evidence.snapshot)}
                             <li class="record">
                                 <div class="row">
-                                    <strong>{archive?.player ?? 'Archived message'}</strong
-                                    >{#if archive?.round !== null && archive?.round !== undefined}<Badge
-                                            >Round {archive.round}</Badge
-                                        >{/if}
+                                    <strong>{archive?.player ?? 'Archived conversation'}</strong>
                                 </div>
                                 {#if archive?.excerpt}
-                                    <EvidenceMessages {...archive.excerpt} />
+                                    <EvidenceMessages
+                                        {...archive.excerpt}
+                                        matchId={archive.matchId}
+                                        server={archive.server}
+                                        startedAt={archive.startedAt}
+                                    />
                                 {:else}<blockquote>{evidence.text}</blockquote>{/if}
-                                <p class="hint">{evidence.source}</p>
-                                {#if archive}<div class="source-context">
-                                        {#if archive.matchId}<a
+                                {#if archive?.matchId}<a
                                         href={contextHref(
                                             `/matches/${archive.matchId}?matchArchive=1`,
                                             $page.url
                                         )}>View match #{archive.matchId}</a
                                     >{/if}
-                                        {#if archive.realTime}<span
-                                                >Estimated message time · {$timeFormat.dateTime(
-                                                    archive.realTime
-                                                )}</span
-                                            >{/if}
-                                        {#if archive.time}<span
-                                                >Original log time · {archive.time}</span
-                                            >{/if}
-                                        {#if archive.startedAt}<span
-                                                >Match started · {$timeFormat.dateTime(
-                                                    archive.startedAt
-                                                )}</span
-                                            >{/if}
-                                    </div>{/if}
                                 <p class="hint">
                                     Preserved by {evidence.actor} · <RelativeTime
                                         value={evidence.createdAt}
                                     />
                                 </p>
-                                {#if archive}<details>
-                                        <summary>Preserved archive snapshot</summary>
-                                        <pre>{archive.original}</pre>
-                                    </details>{/if}
+                                <details>
+                                    <summary>Technical details</summary>
+                                    <p class="hint">{evidence.source}</p>
+                                    <pre>{archive?.original ?? evidence.snapshot}</pre>
+                                </details>
                             </li>
                         {/each}
                     </ol>
@@ -694,15 +670,10 @@
     }
     .hint,
     dt,
-    .source-context,
     summary {
         color: var(--text-secondary);
         font-size: var(--text-sm);
     }
-    .source-context {
-        display: grid;
-        gap: var(--space-2);
-    }
     .notice {
         border: 1px solid var(--border-subtle);
         border-radius: var(--radius-md);

tests/client/match-evidence.test.ts

@@ -83,7 +83,7 @@ it('selects messages across participants, previews their context, and attaches t
     );
     expect(fetch.mock.calls[0][0]).toContain('game=t5&guid=11');
     expect(document.querySelector('dialog')?.textContent).toContain('GUID 22');
-    expect(document.querySelector('dialog')?.textContent).toContain('Message time unknown');
+    expect(document.querySelector('dialog')?.textContent).toContain('Unknown time');
     const excerpt = document.querySelector('dialog [aria-label="Preserved conversation excerpt"]')!;
     expect(excerpt.querySelectorAll('li')).toHaveLength(3);
     expect(excerpt.querySelector('.highlighted')?.textContent).toContain('A concerning reply');

tests/client/moderation-case-page.test.ts

@@ -205,6 +205,18 @@ it('preserves original evidence context, linked restrictions, and staff history
     expect(document.body.textContent).toContain('Read-only moderation access');
     expect(document.body.textContent).toContain('Round 9');
     expect(document.body.textContent).toContain('Original log time · 12:34');
+    const evidence = document.querySelector('[aria-labelledby="evidence-title"]')!;
+    expect(
+        evidence.querySelector('[aria-label="Preserved conversation excerpt"]')?.textContent
+    ).toContain('abusive message');
+    const technical = [...evidence.querySelectorAll('details')].find(
+        (node) => node.querySelector('summary')?.textContent === 'Technical details'
+    )!;
+    expect(technical.open).toBe(false);
+    expect(technical.textContent).toContain('Archived chat · theater · match 17');
+    expect(JSON.parse(technical.querySelector('pre')!.textContent!)).toEqual(
+        JSON.parse(detail().case.evidence[0].snapshot!)
+    );
     expect(document.body.textContent).toContain('Check the earlier warning.');
     expect(document.body.textContent).toContain('Prior warning ignored');
     expect(document.body.textContent).toContain('Policy pending');
@@ -223,6 +235,58 @@ it('preserves original evidence context, linked restrictions, and staff history
     expect(document.querySelector('dialog')).toBeNull();
 });
 
+it('summarizes a preserved conversation across midnight and keeps identifiers on demand', () => {
+    const initial = detail();
+    const archive = JSON.parse(initial.case.evidence[0].snapshot!);
+    archive.entries = [
+        {
+            ...archive.entry,
+            messageId: 'subject-message',
+            context: { realTime: '2026-10-16T03:59:00Z', round: 4 },
+            message: { ...archive.entry.message, message: '<b>First message</b>', channel: 'team' }
+        },
+        {
+            ...archive.entry,
+            messageId: 'witness-message',
+            context: { realTime: '2026-10-16T04:01:00Z', round: 9 },
+            message: { ...archive.entry.message, guid: '42', player: 'Witness', message: 'Reply' }
+        },
+        {
+            ...archive.entry,
+            messageId: 'unknown-time',
+            context: { realTime: null, round: null }
+        }
+    ];
+    archive.selectedMessageIds = ['subject-message', 'witness-message'];
+    archive.highlightedMessageIds = ['subject-message'];
+    initial.case.evidence[0].snapshot = JSON.stringify(archive);
+    show(initial);
+    const evidence = document.querySelector('[aria-labelledby="evidence-title"]')!;
+    const excerpt = evidence.querySelector('[aria-label="Preserved conversation excerpt"]')!;
+    const rows = excerpt.querySelectorAll('li');
+    expect(rows).toHaveLength(3);
+    expect(rows[0].classList.contains('highlighted')).toBe(true);
+    expect(rows[1].classList.contains('highlighted')).toBe(false);
+    expect(rows[0].textContent).toContain('Team chat');
+    expect(rows[0].textContent).toContain('<b>First message</b>');
+    expect(rows[0].querySelector('b')).toBeNull();
+    expect(rows[1].textContent).toContain('Selected context');
+    expect(rows[2].textContent).toContain('Unknown time');
+    expect(excerpt.textContent).not.toContain(guid);
+    expect(excerpt.textContent).not.toContain('subject-message');
+    expect(excerpt.textContent).not.toContain('Round');
+    const context = excerpt.previousElementSibling!.textContent!;
+    expect(context).toContain('Kino Der Toten · Match #17');
+    expect(context).toContain('Oct 15, 2026 – Oct 16, 2026');
+    expect(context).toContain('Rounds 4–9 (some unknown)');
+    expect(context).toContain('Times are estimates.');
+    const details = excerpt.nextElementSibling as HTMLDetailsElement;
+    expect(details.open).toBe(false);
+    expect(details.textContent).toContain(`GUID ${guid}`);
+    expect(details.textContent).toContain('Message identifier subject-message');
+    expect(details.textContent).toContain('Message identifier witness-message');
+});
+
 it('locks case restrictions to the recorded identity and revision without closing the case', async () => {
     const updated = detail();
     updated.case.revision = 5;