Sync third-party and MCP marketplace plugins

Constraint: Public skills are published only by explicit administrator action unless they are tracked third-party market sources. Confidence: high Scope-risk: narrow Directive: Keep private/internal skills out of the public marketplace and preserve normal incremental market Git history. Tested: Marketplace validation passed.
2026-06-24 11:57:13 +08:00
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+# ppr-loop (sub-reference of next-cache-components-optimizer)
+
+Page-render optimization: grow the static shell of a single `cacheComponents` page.
+
+Rank candidates by visible pixel area; largest gap first.
+
+## preflight (in addition to shared)
+
+The page to optimize is whatever route the user is currently on (per shared preflight). Set the instant cookie (per shared `instant cookie` section), then reload.
+
+## loop
+
+### diagnose
+
+1. **Check for the no-shell bailout** per SKILL.md.
+
+2. **List candidates.** `agent-browser react suspense --only-dynamic --json` → each boundary has `jsx_source` (file:line:col) and `suspended_by[].name`. Resolve `jsx_source` (or `suspended_by[].owner_stack`) via `POST /__nextjs_original-stack-frames`.
+
+3. **Rank by rendered area.** Per candidate, take max(fallback rect on shell-only, rendered subtree rect on full). Fallback rect alone misleads when developers used an undersized spinner.
+
+4. **Gauge the gap.** Same capture as verify — the shell-only render. If the top-ranked candidate is sub-viewport (thin fallback bar, sidebar widget), the shell is already in good shape; surface that and offer to audit other routes for better targets, rather than forcing a marginal refactor.
+
+5. **One boundary dominates →** that wrapper is the shell. Read inside, enumerate the awaits, recurse with those.
+
+### decide / apply
+
+Apply the shared lever rules from SKILL.md.
+
+### verify
+
+Re-take the shell-only render and compare against the baseline screenshot. The targeted gap must shrink or vanish; identical captures fail per the shared visible-delta rule. Re-check the no-shell bailout; a botched extract can break the shell.