[NOTICKET][AI] refactor(planner): R11 - single-source placeholder regex + name-checked data-access specs

[NOTICKET] perf(slow-path): DB3 pre-connect + R4 progress events

[NOTICKET][AI] perf(chat): PR-DB1 - memoizing catalog reader + shared ChatHandler

[NOTICKET][AI] Planner: drop parallelizable_with from Task

[KM-626][AI] Planner few-shot: add analyze_aggregate (Example D) to fix arg shape

[KM-631][AI] Langfuse tracing: tokens + latency across the chat pipeline

[KM-626][AI] Planner few-shot: make describe_source success_criteria checkable

[KM-626][AI] Slow-path wiring prep: context + persistence seams, retrieve_documents few-shot

[KM-626][AI] ChatHandler: gated structured->slow-path wiring

[KM-626][AI] Planner: consume teammate's real analytics registry

[KM-627] Canonical ToolSpec + ToolOutput

[KM-626][AI] Slow-path agent: Assembler + Coordinator

[KM-626][AI] Slow-path agent: seam contracts + TaskRunner

[KM-624][AI] Planner: realign stub registry + examples to composite analyze_* tools

[KM-567][AI] Planner agent: fix PII leak + placeholder/retry robustness

[KM-567][AI] Planner agent: validator + service

[KM-567][AI] Planner agent: prompt + few-shot examples

[KM-567][AI] Planner agent: contracts, schemas, inputs, registry

[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