Harden consensus/report paths and release 2.0.4

Harden report metadata model normalization for non-list inputs

Align direct discussion flow with consensus-model key autoload

Drop Unknown discussion seeds and clarify empty initial-prediction prompts

Unify missing-value handling and sanitize discussion seed annotations

Handle pandas.NA robustly across marker and consensus normalization

Harden discussion report filtering and metadata formatting

Fail fast on invalid discussion-round payloads

Harden consensus fallback and cluster ID alias resolution

Harden marker-gene parsing against unhashable cluster values

Fix cluster alias shadowing and keep deterministic cluster parsing

Make set-based cluster inputs deterministic in consensus workflows

Fail fast on malformed discussion inputs and harden marker-gene parsing

Fix format_results key-collision bug that could overwrite labels with Unknown

Improve discussion fallback label extraction to reduce false Unknowns