Document completed LLM and reference expansion

docs/roadmap/future.md

@@ -8,11 +8,6 @@ future work only.
 
 - Additional input adapters, such as Markdown or note-export formats.
 - Additional D&D extractors beyond spell casts.
-- First-class LLM access for all LLM-eligible pipeline stages: `chunk`,
-  `extract`, and `normalize`.
-- Expand reference support beyond extractors to `chunk` and `normalize`
-  modules, using the same declared-slot model and preserving stage-specific
-  ownership boundaries.
 - Add non-file reference producers, such as prior-run artifacts, derived
   summaries, or entity registries, without changing module-facing reference
   item contracts.