docs: align every document with the reviewed behaviour

Assisted-by: GLM 5.3

docs/DEVELOPMENT.md

@@ -46,6 +46,9 @@ prints the same list.
 | `just install` | builds, then copies the binary into `~/.local/bin` (`BINDIR` overrides) |
 | `just uninstall` | removes the installed binary |
 | `just clean` | removes `bin/` and `coverage.out` |
+| `just cross` | cross-compile smoke of the library and the command for arm64, loong64, riscv64 and the browser and edge runtimes; nightly convenience, not a gate |
+| `just release-check X.Y.Z` | the release pre-flight: the branch, a clean tree, a sync with origin, the gates, and a CHANGELOG section ready to release |
+| `just docs-drift` | compares the toml-test counts the documentation quotes with a live suite run |
 
 ## Running a single test
 
@@ -98,7 +101,8 @@ pipeline.
 | Workflow | Trigger | What it does |
 |---|---|---|
 | `test.yml` | push or pull request to `development` | format check, vet, modernisation, build, the test suite with the 80 percent coverage floor, then the toml-test compliance suite |
-| `race.yml` | `workflow_dispatch`, by hand | the suite under the race detector; the same race gate `just gates` runs locally |
+| `race.yml` | `workflow_dispatch`, plus a nightly schedule at 03:00 UTC | the suite under the race detector, the same race gate `just gates` runs locally; the nightly schedule runs on the default branch, the released line |
+| `fuzz.yml` | `workflow_dispatch`, plus a nightly schedule at 03:30 UTC | a 30 second fuzz smoke per target over the seeds and the gathered corpus |
 | `release.yml` | a `v*` tag | tag validation, then format, vet, modernisation, build and the test suite with the coverage floor, then the Gitea release from the CHANGELOG section. No race detector: race never runs on a push path, and the local `just gates` raced the tree before the tag was cut |
 
 ## Releases