Add structured moderation assessments with revision history

src/lib/server/moderation/actions.ts

@@ -2,6 +2,7 @@ import { randomUUID } from 'node:crypto';
 import { db } from '../db/index.js';
 import { archivedEvidenceSnapshots } from './evidence.js';
 import { caseActionReference, recordedCaseAction, isCaseActionLinked } from './case-actions.js';
+import { assessmentDraft } from './assessments.js';
 import { AuthError } from '../auth/index.js';
 import { moderatorMaximumRestrictionMs, type AuthUser } from '../../auth.js';
 import {
@@ -472,6 +473,31 @@ export function mutateModeration(actorId: string, input: Record<string, unknown>
         if (input.op === 'action') return liveAction(actor, input, now);
         if (input.op === 'create-case') return createCase(actor, input, now);
         if (input.op === 'update-case') return updateCase(actor, input, now);
+        if (input.op === 'assess-case') {
+            const row = caseRow(input.id);
+            checkCaseRevision(row, input.revision);
+            const draft = assessmentDraft(input);
+            const data = JSON.stringify(draft);
+            const prior = db()
+                .prepare(
+                    'SELECT data FROM moderation_case_assessments WHERE case_id=? ORDER BY revision DESC LIMIT 1'
+                )
+                .get(row.id) as { data: string } | undefined;
+            if (prior?.data === data) throw new AuthError('Change the assessment before saving.');
+            db()
+                .prepare('INSERT INTO moderation_case_assessments VALUES(?,?,?,?,?,?)')
+                .run(row.id, row.revision + 1, data, actor.id, actor.username, now);
+            touchCase(row.id, now);
+            moderationEvent(
+                actor,
+                'case.assessed',
+                row,
+                row.id,
+                JSON.stringify({ assessmentRevision: row.revision + 1, summary: draft.summary }),
+                now
+            );
+            return { id: row.id };
+        }
         if (input.op === 'link-case-action') {
             const row = caseRow(input.id);
             checkCaseRevision(row, input.revision);