v0.203.0

What's Changed

• feat: artifact: vendor DS embed module pair (pl-design-embed.mjs + tokens.js) — allowlist, import-closure guard, drift test (bd-8cfo slice 1/4, Refs protoContent#577) by @mabry1985 in #4175
• feat: artifact: vendor DS embed.css as pl-embed.css, served text/css (bd-8cfo slice 2/4, Refs protoContent#577) by @mabry1985 in #4176
• refactor: centralize asset roots before the source layout migration by @mabry1985 in #4179
• refactor: organize runtime packages under src with stable imports by @mabry1985 in #4180
• refactor: organize runtime packages under src without import churn by @mabry1985 in #4182
• feat: artifact: shell.js theme tokens from vendored DS embed (EMBED_TOKENS / themeTokenSnapshot / snapshotToCss); delete THEME_TOKENS (bd-8cfo slice 3/4, Refs protoContent#577) by @mabry1985 in #4177
• fix(delegates): clear stale failures and expose health diagnostics by @mabry1985 in #4183
• fix(config): redact credential containers from show_config by @mabry1985 in #4185
• feat: artifact: shell.js element defaults from vendored DS pl-embed.css; delete DEFAULTS string (bd-8cfo slice 4/4, Refs protoContent#577) by @mabry1985 in #4184

Full Changelog: v0.202.0...v0.203.0