feat(safety): implement report content API

crates/quark/src/models/safety/report.rs

@@ -0,0 +1,85 @@
+use serde::{Deserialize, Serialize};
+
+/// Reason for reporting content (message or server)
+#[derive(Serialize, Deserialize, JsonSchema, Debug)]
+pub enum ContentReportReason {
+    /// No reason has been specified
+    NoneSpecified,
+
+    /// Blatantly illegal content
+    Illegal,
+
+    /// Content that promotes harm to others / self
+    PromotesHarm,
+
+    /// Spam or platform abuse
+    SpamAbuse,
+
+    /// Distribution of malware
+    Malware,
+
+    /// Harassment or abuse targeted at another user
+    Harassment,
+}
+
+/// Reason for reporting a user
+#[derive(Serialize, Deserialize, JsonSchema, Debug)]
+pub enum UserReportReason {
+    /// No reason has been specified
+    NoneSpecified,
+
+    /// User is sending spam or otherwise abusing the platform
+    SpamAbuse,
+
+    /// User's profile contains inappropriate content for a general audience
+    InappropriateProfile,
+
+    /// User is impersonating another user
+    Impersonation,
+
+    /// User is evading a ban
+    BanEvasion,
+
+    /// User is not of minimum age to use the platform
+    Underage,
+}
+
+#[derive(Serialize, Deserialize, JsonSchema, Debug)]
+#[serde(tag = "type")]
+pub enum ReportedContent {
+    /// Report a message
+    Message {
+        /// ID of the message
+        id: String,
+        /// Reason for reporting message
+        report_reason: ContentReportReason,
+    },
+    /// Report a server
+    Server {
+        /// ID of the server
+        id: String,
+        /// Reason for reporting server
+        report_reason: ContentReportReason,
+    },
+    /// Report a user
+    User {
+        /// ID of the user
+        id: String,
+        /// Reason for reporting a user
+        report_reason: UserReportReason,
+    },
+}
+
+/// User-generated platform moderation report.
+#[derive(Serialize, Deserialize, JsonSchema, Debug)]
+pub struct Report {
+    /// Unique Id
+    #[serde(rename = "_id")]
+    pub id: String,
+    /// Id of the user creating this report
+    pub author_id: String,
+    /// Reported content
+    pub content: ReportedContent,
+    /// Additional report context
+    pub additional_context: String,
+}