Show Reddit post age in conversations

apps/dashboard/src/components/origin-post.tsx

@@ -5,6 +5,32 @@ export interface OriginPost {
   url: string;
   imageUrl?: string | null;
   subreddit?: string;
+  postedAt?: number;
+}
+
+export function formatPostAge(postedAt: number, now = Date.now()): string {
+  const elapsedSeconds = Math.max(0, Math.floor((now - postedAt) / 1000));
+  if (elapsedSeconds < 60) return 'now';
+  const elapsedMinutes = Math.floor(elapsedSeconds / 60);
+  if (elapsedMinutes < 60) return `${elapsedMinutes}m ago`;
+  const elapsedHours = Math.floor(elapsedMinutes / 60);
+  if (elapsedHours < 24) return `${elapsedHours}h ago`;
+  const elapsedDays = Math.floor(elapsedHours / 24);
+  if (elapsedDays < 30) return `${elapsedDays}d ago`;
+  const elapsedMonths = Math.floor(elapsedDays / 30);
+  if (elapsedMonths < 12) return `${elapsedMonths}mo ago`;
+  return `${Math.floor(elapsedMonths / 12)}y ago`;
+}
+
+function PostOriginMeta({ post }: { post: OriginPost }) {
+  return (
+    <small>
+      Started from {post.subreddit ? `r/${post.subreddit}` : 'Reddit'}
+      {post.postedAt ? (
+        <> · <time dateTime={new Date(post.postedAt).toISOString()} title={new Date(post.postedAt).toLocaleString()}>{formatPostAge(post.postedAt)}</time></>
+      ) : null}
+    </small>
+  );
 }
 
 export function OriginPostCard({ post }: { post: OriginPost }) {
@@ -21,7 +47,7 @@ export function OriginPostCard({ post }: { post: OriginPost }) {
         </div>
       ) : null}
       <a aria-label={post.title} className="origin-post-copy" href={post.url} rel="noreferrer" target="_blank">
-        <small>Started from {post.subreddit ? `r/${post.subreddit}` : 'Reddit'}</small>
+        <PostOriginMeta post={post} />
         <strong>{post.title}</strong>
         <span>Open original post</span>
       </a>
@@ -69,7 +95,7 @@ export function OriginPostButton({ children, post }: { children: ReactNode; post
             </div>
             {post.imageUrl ? <img alt={`Source post: ${post.title}`} loading="lazy" src={post.imageUrl} /> : null}
             <div className="origin-post-dialog-copy">
-              {post.subreddit ? <small>r/{post.subreddit}</small> : null}
+              <PostOriginMeta post={post} />
               <h2 id="origin-post-dialog-title">{post.title}</h2>
               <a className="button primary" href={post.url} rel="noreferrer" target="_blank">Open Reddit post</a>
             </div>

apps/dashboard/src/features/conversations/conversation-detail.tsx

@@ -229,6 +229,7 @@ export function ConversationDetail({ conversationId, onClose }: ConversationDeta
             url: conversation.triggeringPost.url,
             imageUrl: conversation.triggeringPost.imageUrl,
             subreddit: conversation.triggeringPost.subreddit,
+            postedAt: conversation.triggeringPost.postedAt,
           }} />
         </div>
       ) : null}

packages/api-contracts/src/chats.ts

@@ -68,6 +68,7 @@ export const ConversationDetailResponseSchema = ActiveChatSchema.extend({
     title: z.string().optional(),
     url: z.string(),
     imageUrl: z.string().nullable().optional(),
+    postedAt: z.number().optional(),
     sentAt: z.number(),
   }).nullable(),
   automation: z.strictObject({

packages/api-contracts/tests/contracts.test.ts

@@ -172,7 +172,8 @@ describe('dashboard endpoint contracts', () => {
       ...chat,
       triggeringPost: {
         id: 'post-1', subreddit: 'example', title: 'Example',
-        url: 'https://www.reddit.com/r/example/comments/post-1/', imageUrl: 'https://i.redd.it/example.jpg', sentAt: 1_700_000_000_000,
+        url: 'https://www.reddit.com/r/example/comments/post-1/', imageUrl: 'https://i.redd.it/example.jpg',
+        postedAt: 1_699_999_000_000, sentAt: 1_700_000_000_000,
       },
       automation: { turnsUsed: 1, remainingTurns: 2, status: 'active', handoffReason: null },
       syncInProgress: null,

src/database/client.ts

@@ -36,6 +36,7 @@ export function runMigrations(db: Database.Database): void {
       image_url TEXT,
       image_analysis TEXT,
       generated_message TEXT,
+      post_created_at INTEGER,
       processed_at INTEGER NOT NULL,
       message_sent INTEGER DEFAULT 0,
       error TEXT
@@ -272,6 +273,9 @@ export function runMigrations(db: Database.Database): void {
       CREATE INDEX IF NOT EXISTS idx_ai_usage_model ON ai_usage(actual_model, requested_model, created_at DESC);
       CREATE INDEX IF NOT EXISTS idx_ai_usage_account ON ai_usage(account_id, created_at DESC);
     `),
+    () => {
+      addColumnIfNotExists(db, 'processed_posts', 'post_created_at', 'INTEGER');
+    },
   ];
 
   let currentVersion = db.pragma('user_version', { simple: true }) as number;

src/database/repositories.ts

@@ -16,6 +16,7 @@ export interface ProcessedPostRecord {
   imageUrl: string | null;
   imageAnalysis: string | null;
   generatedMessage: string | null;
+  postCreatedAt: number | null;
   processedAt: number;
   messageSent: boolean;
   error: string | null;
@@ -43,6 +44,7 @@ export interface SentMessageRecord {
   postUrl?: string;
   postImageUrl?: string;
   postImageAnalysis?: string;
+  postCreatedAt?: number;
 }
 
 export interface SuccessfulMessageRecord {
@@ -418,8 +420,9 @@ export class PostsRepository {
     private readonly accountId: string = LEGACY_UNASSIGNED_ACCOUNT_ID,
   ) {
     this.insertStmt = db.prepare(`
-      INSERT INTO processed_posts (account_id, id, subreddit, author, title, post_url, image_url, processed_at)
-      VALUES (?, ?, ?, ?, ?, ?, ?, ?)
+      INSERT INTO processed_posts (
+        account_id, id, subreddit, author, title, post_url, image_url, post_created_at, processed_at
+      ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
     `);
 
     this.existsStmt = db.prepare(`SELECT 1 FROM processed_posts WHERE account_id = ? AND id = ?`);
@@ -462,6 +465,7 @@ export class PostsRepository {
     title: string;
     postUrl?: string | null;
     imageUrl: string | null;
+    postCreatedAt?: number | null;
     processedAt: number;
   }): void {
     this.insertStmt.run(
@@ -472,6 +476,7 @@ export class PostsRepository {
       post.title,
       post.postUrl ?? null,
       post.imageUrl,
+      post.postCreatedAt ?? null,
       post.processedAt
     );
   }
@@ -501,6 +506,7 @@ export class PostsRepository {
       imageUrl: row.image_url as string | null,
       imageAnalysis: row.image_analysis as string | null,
       generatedMessage: row.generated_message as string | null,
+      postCreatedAt: (row.post_created_at as number | null) ?? null,
       processedAt: row.processed_at as number,
       messageSent: Boolean(row.message_sent),
       error: row.error as string | null,
@@ -518,6 +524,7 @@ export class PostsRepository {
       imageUrl: row.image_url as string | null,
       imageAnalysis: row.image_analysis as string | null,
       generatedMessage: row.generated_message as string | null,
+      postCreatedAt: (row.post_created_at as number | null) ?? null,
       processedAt: row.processed_at as number,
       messageSent: Boolean(row.message_sent),
       error: row.error as string | null,
@@ -556,7 +563,7 @@ export class MessagesRepository {
 
     this.getByChatRoomIdStmt = db.prepare(`
       SELECT sm.*, pp.subreddit, pp.title AS post_title, pp.post_url, pp.image_url AS post_image_url,
-        pp.image_analysis AS post_image_analysis
+        pp.image_analysis AS post_image_analysis, pp.post_created_at AS post_created_at
       FROM sent_messages sm
       LEFT JOIN processed_posts pp ON sm.account_id = pp.account_id AND sm.post_id = pp.id
       WHERE sm.account_id = ? AND sm.chat_room_id = ?
@@ -568,7 +575,7 @@ export class MessagesRepository {
 
     this.getLatestByRecipientStmt = db.prepare(`
       SELECT sm.*, pp.subreddit, pp.title AS post_title, pp.post_url, pp.image_url AS post_image_url,
-        pp.image_analysis AS post_image_analysis
+        pp.image_analysis AS post_image_analysis, pp.post_created_at AS post_created_at
       FROM sent_messages sm
       LEFT JOIN processed_posts pp ON sm.account_id = pp.account_id AND sm.post_id = pp.id
       WHERE sm.account_id = ? AND sm.recipient = ? COLLATE NOCASE
@@ -578,7 +585,7 @@ export class MessagesRepository {
 
     this.getRecentStmt = db.prepare(`
       SELECT sm.*, pp.subreddit, pp.title AS post_title, pp.post_url, pp.image_url AS post_image_url,
-        pp.image_analysis AS post_image_analysis
+        pp.image_analysis AS post_image_analysis, pp.post_created_at AS post_created_at
       FROM sent_messages sm
       LEFT JOIN processed_posts pp ON sm.account_id = pp.account_id AND sm.post_id = pp.id
       WHERE sm.account_id = ?
@@ -909,6 +916,7 @@ export class MessagesRepository {
       postUrl: (row.post_url as string) || undefined,
       postImageUrl: (row.post_image_url as string) || undefined,
       postImageAnalysis: (row.post_image_analysis as string) || undefined,
+      postCreatedAt: (row.post_created_at as number) || undefined,
     };
   }
 }

src/main-loop.ts

@@ -256,6 +256,7 @@ export async function runMainLoop(app: AppContainer): Promise<void> {
             title: post.title,
             postUrl,
             imageUrl: postImageUrl,
+            postCreatedAt: post.created_utc * 1000,
             processedAt: Date.now(),
           });
 

src/services/monitor.ts

@@ -274,6 +274,7 @@ export class MonitorService {
       title: post.title,
       postUrl: this.redditApi.getPostUrl(post),
       imageUrl: subredditType === 'image' ? this.redditApi.getImageUrl(post) : null,
+      postCreatedAt: post.created_utc * 1000,
       processedAt: Date.now(),
     });
     this.postsRepo.setError(post.id, reason);

src/services/reddit-account-runtime-builder.ts

@@ -288,7 +288,8 @@ class AccountRuntimeLoop {
       const imageUrl = isChat ? null : redditApi.getImageUrl(post);
       postsRepo.insert({
         id: post.id, subreddit: post.subreddit, author: post.author, title: post.title,
-        postUrl: redditApi.getPostUrl(post), imageUrl, processedAt: Date.now(),
+        postUrl: redditApi.getPostUrl(post), imageUrl,
+        postCreatedAt: post.created_utc * 1000, processedAt: Date.now(),
       });
       // Seller screening is performed once by the shared MonitorService before
       // assignment. Do not repeat its profile request for every recipient.

src/web/routes/conversations.ts

@@ -168,6 +168,7 @@ export function createConversationsRouter(ctx: WebContext): Router {
         title?: string;
         url: string;
         imageUrl: string | null;
+        postedAt?: number;
         sentAt: number;
       } | null = null;
       let automatedOpener: string | null = null;
@@ -188,6 +189,7 @@ export function createConversationsRouter(ctx: WebContext): Router {
             title: sent.postTitle,
             url,
             imageUrl: sent.postImageUrl ?? null,
+            ...(sent.postCreatedAt ? { postedAt: sent.postCreatedAt } : {}),
             sentAt: sent.sentAt,
           };
         }

tests/dashboard/conversations.test.tsx

@@ -49,6 +49,7 @@ function detailFixture(chat = alice) {
       title: 'Looking for a chat',
       url: 'https://reddit.com/r/casualconversation/comments/post-1',
       imageUrl: 'https://i.redd.it/source-post.jpg',
+      postedAt: Date.now() - (2 * 60 * 60 * 1000),
       sentAt: 1_785_999_800_000,
     },
     automation: { turnsUsed: 0, remainingTurns: 3, status: 'active', handoffReason: null },
@@ -142,6 +143,7 @@ describe('ConversationsPage', () => {
       'src',
       'https://i.redd.it/source-post.jpg',
     );
+    expect(screen.getByText('2h ago')).toBeInTheDocument();
     expect(screen.getByRole('img', { name: 'Source post: Looking for a chat' })).toHaveClass('is-blurred');
     await user.click(screen.getByRole('button', { name: 'Reveal original image' }));
     expect(screen.getByRole('img', { name: 'Source post: Looking for a chat' })).not.toHaveClass('is-blurred');

tests/database.test.ts

@@ -156,7 +156,7 @@ describe('Database Client', () => {
         DROP TABLE conversation_automation_claims;
         DROP TABLE ai_usage;
       `);
-      db.pragma(`user_version = ${latestVersion - 2}`);
+      db.pragma(`user_version = ${latestVersion - 3}`);
       runMigrations(db);
 
       expect(db.prepare('SELECT recipient, reason FROM recipient_suppressions ORDER BY recipient COLLATE NOCASE').all())
@@ -176,6 +176,7 @@ describe('Database Client', () => {
       expect(columnMap.get('subreddit')?.notnull).toBe(1);
       expect(columnMap.get('author')?.notnull).toBe(1);
       expect(columnMap.get('title')?.notnull).toBe(1);
+      expect(columnMap.get('post_created_at')).toBeDefined();
       expect(columnMap.get('processed_at')?.notnull).toBe(1);
       expect(columnMap.get('message_sent')).toBeDefined();
       expect(columnMap.get('error')).toBeDefined();

tests/repositories.test.ts

@@ -31,6 +31,7 @@ describe('PostsRepository', () => {
       title: 'Test Post',
       postUrl: 'https://www.reddit.com/r/test/comments/post1/test_post/',
       imageUrl: 'http://example.com/img.jpg',
+      postCreatedAt: 1_700_000_000_000,
       processedAt: Date.now(),
     });
 
@@ -42,6 +43,7 @@ describe('PostsRepository', () => {
     expect(post!.title).toBe('Test Post');
     expect(post!.postUrl).toBe('https://www.reddit.com/r/test/comments/post1/test_post/');
     expect(post!.imageUrl).toBe('http://example.com/img.jpg');
+    expect(post!.postCreatedAt).toBe(1_700_000_000_000);
     expect(post!.messageSent).toBe(false);
     expect(post!.imageAnalysis).toBeNull();
     expect(post!.error).toBeNull();
@@ -314,6 +316,7 @@ describe('MessagesRepository', () => {
       title: 'Second post',
       postUrl: 'https://www.reddit.com/r/gonewild/comments/post-b/second_post/',
       imageUrl: null,
+      postCreatedAt: 1_700_000_000_000,
       processedAt: Date.now(),
     });
 
@@ -327,6 +330,7 @@ describe('MessagesRepository', () => {
     expect(latest!.subreddit).toBe('gonewild');
     expect(latest!.postTitle).toBe('Second post');
     expect(latest!.postUrl).toBe('https://www.reddit.com/r/gonewild/comments/post-b/second_post/');
+    expect(latest!.postCreatedAt).toBe(1_700_000_000_000);
     expect(messagesRepo.getByChatRoomId('room-b')).toMatchObject({ postId: 'post-b', postTitle: 'Second post' });
 
     expect(messagesRepo.getLatestByRecipient('ALICE')).toBeDefined();

tests/web/conversations-route.test.ts

@@ -296,6 +296,7 @@ describe('conversations route', () => {
       chatRoomId: 'room-alice', subreddit: 'example', postTitle: 'Exact source post',
       postUrl: 'https://www.reddit.com/r/example/comments/post-exact/exact_source_post/',
       postImageUrl: 'https://i.redd.it/exact-source.jpg',
+      postCreatedAt: 8,
     };
     const latestRecipientOrigin = { ...roomOrigin, postId: 'wrong-latest-post', postTitle: 'Wrong post' };
     const context = {
@@ -318,7 +319,7 @@ describe('conversations route', () => {
     const body = await response.json();
     expect(body.triggeringPost).toEqual({
       id: 'post-exact', subreddit: 'example', title: 'Exact source post',
-      url: roomOrigin.postUrl, imageUrl: roomOrigin.postImageUrl, sentAt: 9,
+      url: roomOrigin.postUrl, imageUrl: roomOrigin.postImageUrl, postedAt: 8, sentAt: 9,
     });
     expect(body.messages[0]).toMatchObject({ text: 'Hello', isAi: true });
     expect(context.repos.messages.getLatestByRecipient).not.toHaveBeenCalled();