feat(bot): add anonymous feedback flow

packages/ports/src/anonymous-feedback.ts

@@ -0,0 +1,51 @@
+export type AnonymousFeedbackModerationStatus = 'accepted' | 'posted' | 'rejected' | 'failed'
+
+export type AnonymousFeedbackRejectionReason =
+  | 'not_member'
+  | 'too_short'
+  | 'too_long'
+  | 'cooldown'
+  | 'daily_cap'
+  | 'blocklisted'
+
+export interface AnonymousFeedbackMemberRecord {
+  id: string
+  telegramUserId: string
+  displayName: string
+}
+
+export interface AnonymousFeedbackRateLimitSnapshot {
+  acceptedCountSince: number
+  lastAcceptedAt: Date | null
+}
+
+export interface AnonymousFeedbackSubmissionRecord {
+  id: string
+  moderationStatus: AnonymousFeedbackModerationStatus
+}
+
+export interface AnonymousFeedbackRepository {
+  getMemberByTelegramUserId(telegramUserId: string): Promise<AnonymousFeedbackMemberRecord | null>
+  getRateLimitSnapshot(
+    memberId: string,
+    acceptedSince: Date
+  ): Promise<AnonymousFeedbackRateLimitSnapshot>
+  createSubmission(input: {
+    submittedByMemberId: string
+    rawText: string
+    sanitizedText: string | null
+    moderationStatus: AnonymousFeedbackModerationStatus
+    moderationReason: string | null
+    telegramChatId: string
+    telegramMessageId: string
+    telegramUpdateId: string
+  }): Promise<{ submission: AnonymousFeedbackSubmissionRecord; duplicate: boolean }>
+  markPosted(input: {
+    submissionId: string
+    postedChatId: string
+    postedThreadId: string
+    postedMessageId: string
+    postedAt: Date
+  }): Promise<void>
+  markFailed(submissionId: string, failureReason: string): Promise<void>
+}