fix(release,ui): pack @openelement/ui through the compiled-element intrinsic transform (#1301)

[SisyphusZheng]

Problem

The packed npm artifact of @openelement/ui could not be SSR-admitted via the documented packageIslands: ['@openelement/ui'] path. @element/@property are compile-time-only intrinsics (ADR-0143, #1209): their runtime exports in @openelement/element are inert no-ops by design, and the Part Program is produced exclusively by the adapter's open:compiled-element transform, which admits only .tsx modules carrying a canonically bound @element(...) decorator application (packages/adapter-vite/src/internal/compiler/plugin.ts). deno pack transpiles packages/ui/src/*.tsx to .js with TC39 decorator lowering (applyDecs2203R), erasing the decorator applications — so no Part Program can ever register from the packed modules, and SSG fails closed with OE_PROGRAM_MISSING on the first ui component (<open-theme-toggle>).

In-repo consumers (www, the ui-dogfood fixture, the packaged starter) never exercised this: the adapter auto-aliases workspace members to their .tsx source whenever cwd is inside a Deno workspace (packages/adapter-vite/src/workspace-alias.ts), and the packed starter does not consume ui. packages/app / packages/element packed artifacts keep their contract because their public surface is runtime APIs, which transpilation preserves; ui is the only package shipping decorator-authored components.

Owner

Release/pack pipeline (tools/publish-npm.ts) + packed-consumer qualification (tools/consumer-packaged-ui.ts). No product-package ownership change.

Before

• deno task pack:dry-run packs ui sources directly; the tarball's open-theme-toggle.js contains applyDecs2203R lowering and no __partProgram.
• A hermetic consumer (scratch dir outside the repo, all five tarballs npm-installed, packageIslands: ['@openelement/ui'], one static route rendering <open-theme-toggle>) fails: build exit 1, OE_PROGRAM_MISSING: admitted nested component <open-theme-toggle> is not registered with a compiled Part Program, static route / -> 500, "SSG failed: static route(s) returned non-200".
• The same failure reproduces against the published ui-0.44.0-beta.1.tgz.

After

• The pack pipeline detects packages shipping compiled-element sources and packs them from a staged temporary workspace in which each opted-in component module is replaced by its open:compiled-element compiler output (the same intrinsic transform a consumer's own build runs against workspace source). deno pack then transpiles the compiled form — semantics-preserving — instead of lowering the intrinsics away. Staging relaxes only noImplicitOverride/noImplicitAny for the staged member (the compiler emission drops authored override modifiers and leaves computed-factory params implicitly typed; consumers never typecheck the emission). No .d.ts is emitted today and none is emitted now.
• The packed open-theme-toggle.js now carries static __partProgram and zero applyDecs; package.json exports/main/dependencies post-processing is byte-identical in behavior.
• The same hermetic consumer now builds green (exit 0) and dist/index.html contains <open-theme-toggle theme="light"> with its compiled DSD (<template shadowrootmode="open" …>, class="theme-toggle", compiled data-theme="light" sink).
• New CI-gated qualification deno task consumer:packaged-ui (registered in tools/autoflow/policy.ts, ci + release tiers, ordered after package-artifacts:check which produces the tarballs it installs).

Why-not-second-owner

The alternative owners were rejected per the issue's boundary ruling:

• Changing the admission contract (packageIslands semantics, manifest schema, module specifiers): unnecessary — the contract is correct; only the packed artifact's content was wrong.
• Shipping raw .tsx source to npm so consumer builds compile it: deno pack has no keep-source mode; this would also change the published module format and every consumer's resolution contract — an ADR-level change, not a repair.
• Teaching the compiler to recompile lowered .js: the compiled grammar requires authored TSX; the lowered form is unrecoverable. Also ADR-level.

Running the existing, already-mandatory intrinsic transform earlier in the pipeline (pack time instead of consumer-build time) keeps one compiler, one contract, one owner.

Evidence

• RED (pre-fix, this branch's new gate): deno task consumer:packaged-ui → exit 1, Packed ui consumer SSG build failed / OE_PROGRAM_MISSING on <open-theme-toggle>.
• GREEN (post-fix): deno task pack:dry-run exit 0 ([npm] @openelement/ui: packing staged compiler output for 10 compiled element module(s) (#1301)); deno task consumer:packaged-ui exit 0 (packageIslands SSR admission renders the compiled DSD from the packed artifact).
• Publishability gates: deno task package-artifacts:check exit 0 (publint + attw + ESM-only/host-API scans on all five tarballs); deno task consumer:packaged exit 0 (starter path unchanged).
• deno task test exit 0 (1818 passed / 0 failed main suite; 150 / 0 supabase starter), deno task workflow:check exit 0, deno fmt/deno lint/deno check clean on changed files.
• Unit coverage: tools/lib/compiled-pack-staging.test.ts (3 tests: ui modules compile with decorators erased + inline map stripped; non-component packages untouched; staging layout/relaxed options/tarball exclusion).

Scope

• tools/lib/compiled-pack-staging.ts (new), tools/publish-npm.ts (staging wiring), tools/consumer-packaged-ui.ts (new gate), deno.json (task), tools/autoflow/policy.ts (gate registration + triggers).
• No changes to packages/*, no frozen-semantics paths (ADR-0122/ADR-0151), no public API or contract change, no new packages.

Risk

• Pack time for ui increases by one compiler pass over 10 modules (~subsecond); staged deno pack resolves workspace deps from a temporary workspace using the root import map (network/cache for npm deps of @openelement/element, already required by package-artifacts:check's publint/attw steps).
• If the compiler rejects a ui module at pack time, packing now fails closed (previously the defect shipped silently). Intended.
• The staged pack emits the same "types not included" warnings as today; no .d.ts regression.

Closes #1301

[github-actions]

APIError: Insufficient Balance

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