UPDATE: Chatbot module

db/migrations/0000013_rag_documents.up.sql

@@ -0,0 +1,21 @@
+CREATE EXTENSION IF NOT EXISTS vector;
+
+CREATE TABLE IF NOT EXISTS rag_chunks (
+    id UUID PRIMARY KEY DEFAULT uuidv7(),
+    source_type VARCHAR(50) NOT NULL,
+    source_id UUID NOT NULL,
+    project_id UUID REFERENCES projects(id) ON DELETE CASCADE,
+    chunk_index INT NOT NULL,        
+    content TEXT NOT NULL,            
+    embedding vector(3072),           
+    created_at TIMESTAMPTZ DEFAULT now(),
+    updated_at TIMESTAMPTZ DEFAULT now()
+);
+
+CREATE INDEX idx_rag_chunks_source ON rag_chunks(source_type, source_id);
+CREATE INDEX idx_rag_chunks_project ON rag_chunks(project_id);
+
+CREATE TRIGGER trigger_rag_chunks_updated_at
+BEFORE UPDATE ON rag_chunks
+FOR EACH ROW
+EXECUTE FUNCTION update_updated_at();