feat: include issue comments in worker task context (#148)

lib/providers/github.ts

@@ -65,6 +65,14 @@ export class GitHubProvider implements IssueProvider {
     return toIssue(JSON.parse(raw) as GhIssue);
   }
 
+  async listComments(issueId: number): Promise<import("./provider.js").IssueComment[]> {
+    try {
+      const raw = await this.gh(["api", `repos/:owner/:repo/issues/${issueId}/comments`, "--jq", ".[] | {author: .user.login, body: .body, created_at: .created_at}"]);
+      if (!raw) return [];
+      return raw.split("\n").filter(Boolean).map((line) => JSON.parse(line));
+    } catch { return []; }
+  }
+
   async transitionLabel(issueId: number, from: StateLabel, to: StateLabel): Promise<void> {
     const issue = await this.getIssue(issueId);
     const stateLabels = issue.labels.filter((l) => STATE_LABELS.includes(l as StateLabel));

lib/providers/gitlab.ts

@@ -52,6 +52,21 @@ export class GitLabProvider implements IssueProvider {
     return JSON.parse(raw) as Issue;
   }
 
+  async listComments(issueId: number): Promise<import("./provider.js").IssueComment[]> {
+    try {
+      const raw = await this.glab(["api", `projects/:id/issues/${issueId}/notes`, "--paginate"]);
+      const notes = JSON.parse(raw) as Array<{ author: { username: string }; body: string; created_at: string; system: boolean }>;
+      // Filter out system notes (e.g. "changed label", "closed issue")
+      return notes
+        .filter((note) => !note.system)
+        .map((note) => ({
+          author: note.author.username,
+          body: note.body,
+          created_at: note.created_at,
+        }));
+    } catch { return []; }
+  }
+
   async transitionLabel(issueId: number, from: StateLabel, to: StateLabel): Promise<void> {
     const issue = await this.getIssue(issueId);
     const stateLabels = issue.labels.filter((l) => STATE_LABELS.includes(l as StateLabel));

lib/providers/provider.ts

@@ -24,12 +24,19 @@ export type Issue = {
   web_url: string;
 };
 
+export type IssueComment = {
+  author: string;
+  body: string;
+  created_at: string;
+};
+
 export interface IssueProvider {
   ensureLabel(name: string, color: string): Promise<void>;
   ensureAllStateLabels(): Promise<void>;
   createIssue(title: string, description: string, label: StateLabel, assignees?: string[]): Promise<Issue>;
   listIssuesByLabel(label: StateLabel): Promise<Issue[]>;
   getIssue(issueId: number): Promise<Issue>;
+  listComments(issueId: number): Promise<IssueComment[]>;
   transitionLabel(issueId: number, from: StateLabel, to: StateLabel): Promise<void>;
   closeIssue(issueId: number): Promise<void>;
   reopenIssue(issueId: number): Promise<void>;