Replace find with ls/git-ls-files in rereview skill

The dynamic context block used find with complex args and pipes, which triggered Bash permission checks and broke skill loading. Replaced with simpler ls and git ls-files alternatives.

Co-Authored-By: Claude <noreply@anthropic.com>

Author: drn

agents/skills/rereview/SKILL.md

@@ -16,8 +16,8 @@ Re-review all branch changes from scratch with independent competing reviewers.
 - Current branch: !`git branch --show-current`
 - Base ref: !`git branch -r 2>/dev/null | grep -oE 'origin/(main|master)' | head -1`
 - Git status: !`git status --short`
-- Project type: !`find . -maxdepth 1 \( -name go.mod -o -name Gemfile -o -name package.json -o -name Cargo.toml -o -name pyproject.toml \) 2>/dev/null | head -5`
-- Test framework: !`find . -maxdepth 4 -name "*_test.*" -o -name "*.test.*" -o -name "*_spec.*" 2>/dev/null | head -10`
+- Project type: !`ls go.mod Gemfile package.json Cargo.toml pyproject.toml 2>/dev/null | head -5`
+- Test framework: !`git ls-files 2>/dev/null | grep -E '_test\.|\.test\.|_spec\.' | head -10`
 - Changes vs main: !`git diff --stat HEAD...origin/main 2>/dev/null | head -50`
 - Changes vs master: !`git diff --stat HEAD...origin/master 2>/dev/null | head -50`