Persist issue read state and clear unread on open

packages/db/src/schema/index.ts

@@ -20,6 +20,7 @@ export { labels } from "./labels.js";
 export { issueLabels } from "./issue_labels.js";
 export { issueApprovals } from "./issue_approvals.js";
 export { issueComments } from "./issue_comments.js";
+export { issueReadStates } from "./issue_read_states.js";
 export { assets } from "./assets.js";
 export { issueAttachments } from "./issue_attachments.js";
 export { heartbeatRuns } from "./heartbeat_runs.js";

packages/db/src/schema/issue_read_states.ts

@@ -0,0 +1,25 @@
+import { pgTable, uuid, text, timestamp, index, uniqueIndex } from "drizzle-orm/pg-core";
+import { companies } from "./companies.js";
+import { issues } from "./issues.js";
+
+export const issueReadStates = pgTable(
+  "issue_read_states",
+  {
+    id: uuid("id").primaryKey().defaultRandom(),
+    companyId: uuid("company_id").notNull().references(() => companies.id),
+    issueId: uuid("issue_id").notNull().references(() => issues.id),
+    userId: text("user_id").notNull(),
+    lastReadAt: timestamp("last_read_at", { withTimezone: true }).notNull().defaultNow(),
+    createdAt: timestamp("created_at", { withTimezone: true }).notNull().defaultNow(),
+    updatedAt: timestamp("updated_at", { withTimezone: true }).notNull().defaultNow(),
+  },
+  (table) => ({
+    companyIssueIdx: index("issue_read_states_company_issue_idx").on(table.companyId, table.issueId),
+    companyUserIdx: index("issue_read_states_company_user_idx").on(table.companyId, table.userId),
+    companyIssueUserUnique: uniqueIndex("issue_read_states_company_issue_user_idx").on(
+      table.companyId,
+      table.issueId,
+      table.userId,
+    ),
+  }),
+);