Add touched/unread inbox issue semantics

packages/db/src/migrations/0024_far_beast.sql

@@ -0,0 +1,2 @@
+CREATE INDEX "issue_comments_company_issue_created_at_idx" ON "issue_comments" USING btree ("company_id","issue_id","created_at");--> statement-breakpoint
+CREATE INDEX "issue_comments_company_author_issue_created_at_idx" ON "issue_comments" USING btree ("company_id","author_user_id","issue_id","created_at");

packages/db/src/migrations/meta/_journal.json

@@ -169,6 +169,13 @@
       "when": 1772139727599,
       "tag": "0023_fair_lethal_legion",
       "breakpoints": true
+    },
+    {
+      "idx": 24,
+      "version": "7",
+      "when": 1772806603601,
+      "tag": "0024_far_beast",
+      "breakpoints": true
     }
   ]
 }

packages/db/src/schema/issue_comments.ts

@@ -18,5 +18,16 @@ export const issueComments = pgTable(
   (table) => ({
     issueIdx: index("issue_comments_issue_idx").on(table.issueId),
     companyIdx: index("issue_comments_company_idx").on(table.companyId),
+    companyIssueCreatedAtIdx: index("issue_comments_company_issue_created_at_idx").on(
+      table.companyId,
+      table.issueId,
+      table.createdAt,
+    ),
+    companyAuthorIssueCreatedAtIdx: index("issue_comments_company_author_issue_created_at_idx").on(
+      table.companyId,
+      table.authorUserId,
+      table.issueId,
+      table.createdAt,
+    ),
   }),
 );

packages/shared/src/types/issue.ts

@@ -82,6 +82,9 @@ export interface Issue {
   project?: Project | null;
   goal?: Goal | null;
   mentionedProjects?: Project[];
+  myLastTouchAt?: Date | null;
+  lastExternalCommentAt?: Date | null;
+  isUnreadForMe?: boolean;
   createdAt: Date;
   updatedAt: Date;
 }