feat: improve production site trust flows

prisma/schema.prisma

@@ -130,6 +130,25 @@ model Signal {
   @@map("signals")
 }
 
+model ProjectSubmission {
+  id             String                  @id @default(cuid())
+  url            String
+  normalizedUrl  String                  @unique
+  projectName    String?
+  description    String?
+  submitterName  String?
+  submitterEmail String?
+  locale         String                  @default("zh")
+  status         ProjectSubmissionStatus @default(PENDING)
+  reviewNotes    String?
+  createdAt      DateTime                @default(now())
+  updatedAt      DateTime                @updatedAt
+
+  @@index([status, createdAt], map: "idx_project_submission_status_createdAt")
+  @@index([locale], map: "idx_project_submission_locale")
+  @@map("project_submissions")
+}
+
 enum LinkType {
   WEBSITE
   GITHUB
@@ -149,6 +168,13 @@ enum TaskStatus {
   FAILED
 }
 
+enum ProjectSubmissionStatus {
+  PENDING
+  APPROVED
+  REJECTED
+  IMPORTED
+}
+
 enum TagCategory {
   FIXED_PROJECT_TYPE
   TECH_STACK