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feat(demo): demo.pcbjam.com deploy — versioned WASM CDN + static gallery + tag CI

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Cross-origin WASM CDN (cdn.pcbjam.com, R2): per-tool content-addressed,
immutable folders + a per-release runtime manifest (snapshot from registry).
boot.ts loads pthread workers cross-origin via a same-origin blob shim.
Static no-backend project source (demo gallery; Save downloads to local),
api.uploadFileBytes kept and config-gated. demo.pcbjam.com on Cloudflare Pages.
deploy-demo.yml (tag v*) snapshots WASM + content + builds + deploys;
publish-wasm.yml builds on Ubicloud. Design/spec docs live in pcbjam-private.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Gergő Törcsvári 2026-06-18 17:09:40 +02:00
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26
web/standalone/.env.example
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@ -5,11 +5,27 @@
# local-folder loader on the home page.
VITE_API_BASE_URL=http://localhost:3060
# Where the WASM glue/artifacts are served from. SAME-ORIGIN "/wasm" is required
# (KiCad WASM pthread workers cannot be created cross-origin). On `dev` the
# artifacts are symlinked into public/wasm and served by Vite at /wasm. For prod,
# set an absolute URL whose origin also satisfies the COEP/COOP rules.
VITE_WASM_ASSET_BASE_URL=/wasm
# Where PROJECTS come from: "remote" (default — the @pcbjam/shared backend above)
# or "static" (a read-only example gallery served from a CDN, NO backend — the
# demo.pcbjam.com mode; editor saves download to local). For "static" you must
# also set VITE_PROJECT_MANIFEST_URL.
# VITE_PROJECT_SOURCE=static
# VITE_PROJECT_MANIFEST_URL=https://cdn.pcbjam.com/content/2.7.7/manifest.json
# WASM asset root (no trailing slash). On `dev` the artifacts are symlinked into
# public/wasm and served by Vite at /wasm (a FLAT layout — files live directly
# under the root). For a prod CDN set an absolute URL, e.g.:
# VITE_WASM_ROOT=https://cdn.pcbjam.com/wasm
# A cross-origin CDN works: boot.ts loads the pthread worker via a same-origin
# blob shim, and the CDN must send CORP: cross-origin + ACAO (+ COEP/COOP on the
# app). VITE_WASM_ASSET_BASE_URL is the legacy name and is still honored.
VITE_WASM_ROOT=/wasm
# Per-release WASM manifest file under VITE_WASM_ROOT (e.g. "manifest-2.7.7.json").
# When set, the editor resolves each tool's versioned, content-addressed folder
# (VITE_WASM_ROOT/<tool>/<ver>/) from it at runtime (see docs/features/demo-deploy).
# Leave UNSET for the flat dev layout above.
# VITE_WASM_MANIFEST=manifest-2.7.7.json
# Override the artifact source dir the dev symlink points at (default:
# <repo>/tests/apps/kicad). Useful when serving prebuilt artifacts from elsewhere.