[KM-564] fix source, now shows name instead of id. added diff retrieval vs catalog

add source to stream output

[KM-565] fix catalog timestamps, count_distinct logic, and query debug logging

[KM-564] fix render and sql error

[NOTICKET] cleanup PR: wire ChatHandler, drop Phase 1 remnants, implement catalog rebuild

[KM-560][KM-561] drop catalog LLM enrichment + rename store to data_catalog + add /data-catalog index endpoint

fixes: chain singleton, parquet logger, SSE event consistency, remove double DB fetch

[KM-556] delete Phase 1 remnants: query/executors/, query_executor.py, orchestration.py

[KM-556] move parquet_service from knowledge/ to storage/

fix planner prompt template parsing

Merge DB bundle (PR2b/4/5/6/7) into pr/1 + reconcile PROGRESS.md

[NOTICKET] IntentRouter + planner + dispatcher + QueryService + AnswerAgent + ChatHandler

detect XLSX by filename, not table count

eat(query): PandasCompiler + TabularExecutor (PR3-TAB)

[KM 556] add columns field to QueryResult + update DbExecutor

Merge commit 'refs/pr/1' of https://huggingface.co/spaces/DataEyond/Agentic-Service-Data-Eyond-Catalog into pr/1

[NOTICKET] SqlCompiler (Postgres) + DbExecutor

[KM-553] migrate retrieval layer and remove obsolete rag/tools modules

[KM-553] initialize shared contract

initial structure

initial commit

[KM-438][KM-439] Improve Retrieval and Querying feature (#15)

Make a query for tabular (XLSX and CSV) (#14)

Merge dev_new to main (improve retriever and add querying) (#13)