fix: direct route registration instead of .nest(), public structs

Author: V V

src/api.rs

@@ -93,7 +93,7 @@ fn api_err(status: StatusCode, msg: impl Into<String>) -> Response {
 
 /// Query parameters for `GET /api/v1/events`.
 #[derive(Debug, Deserialize)]
-struct EventsParams {
+pub struct EventsParams {
     event_type: Option<String>,
     from: Option<String>,
     to: Option<String>,
@@ -152,7 +152,7 @@ pub async fn get_event(
 
 /// Request body for `POST /api/v1/events/query`.
 #[derive(Debug, Deserialize)]
-struct CustomQueryRequest {
+pub struct CustomQueryRequest {
     /// SQL SELECT statement — runs against `deduped` CTE (auto-scoped to tenant).
     sql: String,
     from: Option<String>,
@@ -204,7 +204,7 @@ async fn proxy_to_polars_query(state: &AppState, body: &serde_json::Value) -> Re
 
 /// Query parameters for analytics endpoints.
 #[derive(Debug, Deserialize)]
-struct AnalyticsParams {
+pub struct AnalyticsParams {
     event_type: Option<String>,
     from: Option<String>,
     to: Option<String>,
@@ -235,7 +235,7 @@ pub async fn analytics_summary(
 
 /// Query parameters for timeseries endpoint.
 #[derive(Debug, Deserialize)]
-struct TimeseriesParams {
+pub struct TimeseriesParams {
     event_type: Option<String>,
     from: Option<String>,
     to: Option<String>,
@@ -314,10 +314,10 @@ async fn proxy_to_polars_lite(state: &AppState, body: &serde_json::Value) -> Res
 
 /// Request body for `POST /api/v1/query/nl`.
 #[derive(Debug, Deserialize)]
-struct NlQueryRequest {
+pub struct NlQueryRequest {
     /// Natural language question.
-    prompt: String,
-    limit: Option<u32>,
+    pub prompt: String,
+    pub limit: Option<u32>,
 }
 
 /// `POST /api/v1/query/nl` — natural language → SQL → results.
@@ -352,12 +352,12 @@ pub async fn query_nl(
 
 /// Request body for `POST /api/v1/query/similar`.
 #[derive(Debug, Deserialize)]
-struct SimilarQueryRequest {
+pub struct SimilarQueryRequest {
     /// Event ID to find similar events for.
-    event_id: Option<String>,
+    pub event_id: Option<String>,
     /// Or raw text to search for.
-    query: Option<String>,
-    limit: Option<u32>,
+    pub query: Option<String>,
+    pub limit: Option<u32>,
 }
 
 /// `POST /api/v1/query/similar` — vector similarity search.

src/main.rs

@@ -145,7 +145,15 @@ async fn main() {
             .layer(DefaultBodyLimit::max(16_384)))
         .route("/ingest", post(routes::handle_ingest)
             .layer(DefaultBodyLimit::max(1_048_576)))
-        .nest("/api/v1", tracker_core::api::router())
+        // Tenant-scoped analytics API
+        .route("/api/v1/events", get(tracker_core::api::list_events))
+        .route("/api/v1/events/id/{event_id}", get(tracker_core::api::get_event))
+        .route("/api/v1/events/query", post(tracker_core::api::custom_query))
+        .route("/api/v1/analytics/summary", get(tracker_core::api::analytics_summary))
+        .route("/api/v1/analytics/timeseries", get(tracker_core::api::analytics_timeseries))
+        .route("/api/v1/analytics/top", get(tracker_core::api::analytics_top))
+        .route("/api/v1/query/nl", post(tracker_core::api::query_nl))
+        .route("/api/v1/query/similar", post(tracker_core::api::query_similar))
         .with_state(state);
 
     let listener = tokio::net::TcpListener::bind(config.listen_addr)