fix(onboarding): targets visibility + unified pipeline by default

The onboarding wizard created OnboardedTargets that were invisible in the
dashboard, and triggering a scan failed with "Repository <id> not found":
`/targets/{id}/scan` went through `run_scan`, which consulted the global
`unified_pipeline` flag and fell to the legacy repository pipeline (reads
`repositories`, not `onboarded_targets`).

Agent
- Add `ComplianceAgent::run_target_scan`, always dispatching to the unified
  `run_target` pipeline. The target-scan endpoint operates on
  `onboarded_targets` by construction, so it must not depend on the
  transition flag. `trigger_target_scan` now calls it.
- Default `UNIFIED_PIPELINE` to on (no legacy `repositories` data in prod);
  set `UNIFIED_PIPELINE=0` to opt back to the legacy pipeline.
- Scheduler now scans `onboarded_targets` (via `run_target_scan`) instead of
  the legacy `repositories` collection.

Dashboard
- New Targets page (`/targets`): lists onboarded targets with detected type,
  artifacts, findings count, applicable-scans matrix (on expand), plus Run
  scan and Delete. Sidebar "Repositories" nav becomes "Targets".
- Remove the "Add Repository" form from the Repositories page — onboarding
  is the single entry point (private-repo auth + issue tracker move into the
  onboarding flow, revisable on the target).
- Add `delete_target` server fn.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

compliance-agent/src/pipeline/orchestrator.rs

@@ -461,25 +461,6 @@ impl PipelineOrchestrator {
                         } },
                     )
                     .await?;
-                // Refresh the target's cached findings count. The shared pipeline
-                // (Stage 7) increments `repositories`, which the unified path does
-                // not use, so set the accurate total on the target itself.
-                let total = self
-                    .db
-                    .findings()
-                    .count_documents(doc! { "repo_id": target_id })
-                    .await
-                    .unwrap_or(*count as u64);
-                self.db
-                    .onboarded_targets()
-                    .update_one(
-                        doc! { "_id": oid },
-                        doc! { "$set": {
-                            "findings_count": total as i64,
-                            "updated_at": mongodb::bson::DateTime::now(),
-                        } },
-                    )
-                    .await?;
             }
             Err(e) => {
                 tracing::error!(target_id, error = %e, "Unified scan pipeline failed");

compliance-dashboard/src/pages/findings.rs

@@ -20,7 +20,7 @@ pub fn FindingsPage() -> Element {
     let mut selected_ids = use_signal(Vec::<String>::new);
 
     let repos = use_resource(|| async {
-        crate::infrastructure::onboarding::fetch_targets()
+        crate::infrastructure::repositories::fetch_repositories(1)
             .await
             .ok()
     });
@@ -86,14 +86,14 @@ pub fn FindingsPage() -> Element {
             }
             select {
                 onchange: move |e| { repo_filter.set(e.value()); page.set(1); },
-                option { value: "", "All Targets" }
+                option { value: "", "All Repositories" }
                 {
                     match &*repos.read() {
                         Some(Some(resp)) => rsx! {
-                            for t in &resp.data {
+                            for repo in &resp.data {
                                 {
-                                    let id = t.get("_id").and_then(|o| o.get("$oid")).and_then(|s| s.as_str()).unwrap_or_default().to_string();
-                                    let name = t.get("name").and_then(|n| n.as_str()).unwrap_or_default().to_string();
+                                    let id = repo.id.as_ref().map(|id| id.to_hex()).unwrap_or_default();
+                                    let name = repo.name.clone();
                                     rsx! {
                                         option { value: "{id}", "{name}" }
                                     }

compliance-dashboard/src/pages/sbom.rs

@@ -28,9 +28,9 @@ pub fn SbomPage() -> Element {
     let mut diff_repo_a = use_signal(String::new);
     let mut diff_repo_b = use_signal(String::new);
 
-    // ── Targets for dropdowns ──
+    // ── Repos for dropdowns ──
     let repos = use_resource(|| async {
-        crate::infrastructure::onboarding::fetch_targets()
+        crate::infrastructure::repositories::fetch_repositories(1)
             .await
             .ok()
     });
@@ -114,14 +114,14 @@ pub fn SbomPage() -> Element {
                 select {
                     class: "sbom-filter-select",
                     onchange: move |e| { repo_filter.set(e.value()); page.set(1); },
-                    option { value: "", "All Targets" }
+                    option { value: "", "All Repositories" }
                     {
                         match &*repos.read() {
                             Some(Some(resp)) => rsx! {
                                 for repo in &resp.data {
                                     {
-                                        let id = repo.get("_id").and_then(|o| o.get("$oid")).and_then(|s| s.as_str()).unwrap_or_default().to_string();
-                                        let name = repo.get("name").and_then(|n| n.as_str()).unwrap_or_default().to_string();
+                                        let id = repo.id.as_ref().map(|id| id.to_hex()).unwrap_or_default();
+                                        let name = repo.name.clone();
                                         rsx! { option { value: "{id}", "{name}" } }
                                     }
                                 }
@@ -476,8 +476,8 @@ pub fn SbomPage() -> Element {
                                     Some(Some(resp)) => rsx! {
                                         for repo in &resp.data {
                                             {
-                                                let id = repo.get("_id").and_then(|o| o.get("$oid")).and_then(|s| s.as_str()).unwrap_or_default().to_string();
-                                                let name = repo.get("name").and_then(|n| n.as_str()).unwrap_or_default().to_string();
+                                                let id = repo.id.as_ref().map(|id| id.to_hex()).unwrap_or_default();
+                                                let name = repo.name.clone();
                                                 rsx! { option { value: "{id}", "{name}" } }
                                             }
                                         }
@@ -498,8 +498,8 @@ pub fn SbomPage() -> Element {
                                     Some(Some(resp)) => rsx! {
                                         for repo in &resp.data {
                                             {
-                                                let id = repo.get("_id").and_then(|o| o.get("$oid")).and_then(|s| s.as_str()).unwrap_or_default().to_string();
-                                                let name = repo.get("name").and_then(|n| n.as_str()).unwrap_or_default().to_string();
+                                                let id = repo.id.as_ref().map(|id| id.to_hex()).unwrap_or_default();
+                                                let name = repo.name.clone();
                                                 rsx! { option { value: "{id}", "{name}" } }
                                             }
                                         }