slhx agent
53480dba5a
Close the fallible handler and example coherence slice: v0 uses typed todo newtypes, Result handler failure mapping, generated form/partial helpers, and page composition; kanban is explicitly marked as an advanced north-star milestone; raw render is isolated behind hemx::advanced::render. req: canonical_authoring/003 req: failure/004 req: public_api/005 req: examples/004