[KM-691] Make sources trace-authoritative; drop stream sources

[NOTICKET] check: schema-detail view for column/type questions

[NOTICKET] Humanize check output: hide UUIDs, add lead-in, list format

[KM-691] Develop traceability

[NOTICKET] Fix check skill: reply language + tabular inventory routing

/fix validator and report (#10)

/fix analysis + report_inputs and storage update (#9)

/fix check and help tool (#8)

/fix v2 chat stream api update to analyses_messages (#7)

feat/ Endpoint Restructure (#5)

feat/Analysis State & Report Rework (#4)

feat/Knowledge & Data Tools (#3)

feat/Planner Agent (#2)

[KM-582][DED][AI] Fix Retrieval in Agentic Service

feat/Catalog Retrieval System (#1)

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

[NOTICKET] add total token logging (#9)

[KM-467] [DED][AI] Orchestration Agent - Init