chore: regenerate all SKILL.md files and update golden fixtures

Regenerated from updated templates (triggers, brain placeholders,
resolver DX improvements, preamble health check). Golden fixtures
updated to match.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

benchmark/SKILL.md

@@ -9,6 +9,10 @@ description: |
   Use when: "performance", "benchmark", "page speed", "lighthouse", "web vitals",
   "bundle size", "load time". (gstack)
   Voice triggers (speech-to-text aliases): "speed test", "check performance".
+triggers:
+  - performance benchmark
+  - check page speed
+  - detect performance regression
 allowed-tools:
   - Bash
   - Read
@@ -258,6 +262,8 @@ AI orchestrator (e.g., OpenClaw). In spawned sessions:
 - Focus on completing the task and reporting results via prose output.
 - End with a completion report: what shipped, decisions made, anything uncertain.
 
+
+
 ## Voice
 
 **Tone:** direct, concrete, sharp, never corporate, never academic. Sound like a builder, not a consultant. Name the file, the function, the command. No filler, no throat-clearing.