Merge eval/help + readiness eval fix into PR #8

[NOTICKET] feat(eval): add help-skill eval harness + goal-based language fallback

/fix surface catalog foreign keys to the planner (FK-backed joins)

/fix default SKIP_INIT_DB=true for dedorch cutover (skip init_db on Go-owned schema)

[NOTICKET] fix(help): lock reply language to user's language on button path

feat/Analysis State & Report Rework (#4)

feat/Knowledge & Data Tools (#3)

feat/Planner Agent (#2)

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

[NOTICKET] fix: add SKIP_INIT_DB flag and remove pymongo dependency

feat/Catalog Retrieval System (#1)

[KM-496] [DED][AI] Fix Response data structure for field sources (db flow)

[NOTICKET][DB] add endpoints for dbtypes (#6)

[KM-436][KM-437] add and modify for database and document pipeline (#3)

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