feat: findings refinement, new scanners, and deployment tooling (#6)

compliance-core/src/models/dast.rs

@@ -58,7 +58,9 @@ pub struct DastTarget {
     pub rate_limit: u32,
     /// Whether destructive tests (DELETE, PUT) are allowed
     pub allow_destructive: bool,
+    #[serde(with = "super::serde_helpers::bson_datetime")]
     pub created_at: DateTime<Utc>,
+    #[serde(with = "super::serde_helpers::bson_datetime")]
     pub updated_at: DateTime<Utc>,
 }
 
@@ -135,7 +137,9 @@ pub struct DastScanRun {
     pub error_message: Option<String>,
     /// Linked SAST scan run ID (if triggered as part of pipeline)
     pub sast_scan_run_id: Option<String>,
+    #[serde(with = "super::serde_helpers::bson_datetime")]
     pub started_at: DateTime<Utc>,
+    #[serde(default, with = "super::serde_helpers::opt_bson_datetime")]
     pub completed_at: Option<DateTime<Utc>>,
 }
 
@@ -240,6 +244,7 @@ pub struct DastFinding {
     pub remediation: Option<String>,
     /// Linked SAST finding ID (if correlated)
     pub linked_sast_finding_id: Option<String>,
+    #[serde(with = "super::serde_helpers::bson_datetime")]
     pub created_at: DateTime<Utc>,
 }