feat: fix Chinese text search and duplicate chunk_id bug

- Add helper functions to extract text from nested content structure
- Update SearchResult to include uuid field
- Add PostgreSQL function get_chunk_by_chunk_id_and_uuid to handle duplicate chunk_ids
- Update Qdrant search functions to extract uuid from payload
- Change embedding model to nomic-embed-text-v2-moe:latest
- Update Qdrant collection name to momentry_rule1
- Fix MongoDB authentication and disable cache for development
- Improve error handling in processor.rs
- Update documentation with new embedding model

src/worker/processor.rs

@@ -486,17 +486,10 @@ impl ProcessorPool {
         asr_result: &AsrResult,
     ) -> Result<()> {
         // Get video record to obtain file_id and fps
-        let video = match db.get_video_by_uuid(uuid).await {
-            Ok(Some(video)) => video,
-            Ok(None) => {
-                tracing::error!("Video not found for uuid: {}", uuid);
-                return Ok(());
-            }
-            Err(e) => {
-                tracing::error!("Failed to get video for uuid {}: {}", uuid, e);
-                return Ok(());
-            }
-        };
+        let video = db
+            .get_video_by_uuid(uuid)
+            .await?
+            .ok_or_else(|| anyhow::anyhow!("Video not found for uuid: {}", uuid))?;
         let file_id = video.id;
         let fps = if video.fps > 0.0 { video.fps } else { 30.0 };
 
@@ -538,17 +531,10 @@ impl ProcessorPool {
         cut_result: &CutResult,
     ) -> Result<()> {
         // Get video record to obtain file_id and fps
-        let video = match db.get_video_by_uuid(uuid).await {
-            Ok(Some(video)) => video,
-            Ok(None) => {
-                tracing::error!("Video not found for uuid: {}", uuid);
-                return Ok(());
-            }
-            Err(e) => {
-                tracing::error!("Failed to get video for uuid {}: {}", uuid, e);
-                return Ok(());
-            }
-        };
+        let video = db
+            .get_video_by_uuid(uuid)
+            .await?
+            .ok_or_else(|| anyhow::anyhow!("Video not found for uuid: {}", uuid))?;
         let file_id = video.id;
         let fps = if video.fps > 0.0 { video.fps } else { 30.0 };