feat: add sync-status endpoint to update file status based on processor files

src/api/files.rs

@@ -1602,4 +1602,55 @@ pub fn file_routes() -> Router<AppState> {
             "/api/v1/file/:file_uuid/metadata",
             post(update_file_metadata),
         )
+        .route(
+            "/api/v1/file/:file_uuid/sync-status",
+            post(sync_file_status),
+        )
+}
+
+async fn sync_file_status(
+    Path(file_uuid): Path<String>,
+    State(state): State<AppState>,
+) -> Result<Json<serde_json::Value>, StatusCode> {
+    use crate::core::config::OUTPUT_DIR;
+    
+    let output_dir = OUTPUT_DIR.as_str();
+    let required_processors = ["face.json", "asrx.json", "ocr.json", "pose.json", "appearance.json"];
+    
+    let mut completed_count = 0;
+    for processor in &required_processors {
+        let path = std::path::Path::new(output_dir)
+            .join(format!("{}.{}", file_uuid, processor));
+        if path.exists() {
+            completed_count += 1;
+        }
+    }
+    
+    let all_complete = completed_count == required_processors.len();
+    let new_status = if all_complete { "completed" } else { "processing" };
+    
+    let videos_table = schema::table_name("videos");
+    let result = sqlx::query(&format!(
+        "UPDATE {} SET status = $1, updated_at = NOW() WHERE file_uuid = $2",
+        videos_table
+    ))
+    .bind(new_status)
+    .bind(&file_uuid)
+    .execute(state.db.pool())
+    .await;
+    
+    match result {
+        Ok(res) if res.rows_affected() > 0 => Ok(Json(serde_json::json!({
+            "success": true,
+            "file_uuid": file_uuid,
+            "status": new_status,
+            "processors_complete": completed_count,
+            "processors_total": required_processors.len()
+        }))),
+        Ok(_) => Err(StatusCode::NOT_FOUND),
+        Err(e) => {
+            tracing::error!("[SYNC_STATUS] Update failed: {}", e);
+            Err(StatusCode::INTERNAL_SERVER_ERROR)
+        }
+    }
 }