fix(agents): align research tools and clarify role boundaries

scripts/tests/test-shell-packages.sh

@@ -52,6 +52,11 @@ for shell in powershell bash; do
     expected_reviewer_shell_tool=Bash
     [ "$shell" != powershell ] || expected_reviewer_shell_tool=PowerShell
     if [ "$client" = claude ]; then grep -q "^tools: Read,Grep,Glob,$expected_reviewer_shell_tool\$" "$package/agents/reviewer.md"; fi
+    if [ "$client" = claude ]; then
+      for role in architect researcher; do
+        grep -q "^tools: Read,Grep,Glob,WebFetch,WebSearch,$expected_reviewer_shell_tool\$" "$package/agents/$role.md" || { printf '%s research shell capability is missing in %s\n' "$role" "$package"; exit 1; }
+      done
+    fi
     expected_skill_count=$source_skill_count
     [ "$client" != claude ] || expected_skill_count=$((source_skill_count + rule_skill_count))
     test "$(find "$package/skills" -name SKILL.md | wc -l)" -eq "$expected_skill_count"