One binary: the lint and the trainer are commands of portal

portal serve runs a site; portal lint is what iris was; portal plan,
build, report and the rest are what portal-trainer was. One source at
one version, so the three never disagree about what content means.
Both histories are merged in (subtree). The release attaches the bare
binary for a content repo's CI. The trainer's plans, intakes, engines
and reference prompt come along; its runs stay in the old repo.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GT37Z1Xtfd9pUuQtMTg6Yt

Cargo.toml

@@ -11,7 +11,9 @@ leptos = { version = "0.8" }
 leptos_meta = { version = "0.8" }
 leptos_router = { version = "0.8" }
 serde = { version = "1", features = ["derive"] }
-serde_json = "1"
+# preserve_order: a rendered page is read by the people who own it, so
+# the keys come out as written (name, then description), not sorted.
+serde_json = { version = "1", features = ["preserve_order"] }
 # Inline markdown for content descriptions (links, emphasis, code) -
 # runs on both server and client renders, so not feature-gated.
 pulldown-cmark = { version = "0.13", default-features = false, features = ["html"] }