refactor: Replace planning-role-load.sh with direct template calls

- Replace all planning-role-load.sh script references with $(cat template) calls
- Update conceptual-planning-agent.md to use direct template loading
- Update all brainstorm role command files to use bash($(cat template)) format
- Update auto.md documentation with new template loading syntax
- Remove obsolete planning-role-load.sh script file
- Align with $(cat template) standard format in intelligent-tools-strategy.md

🤖 Generated with [Claude Code](https://claude.ai/code)

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

.claude/commands/workflow/brainstorm/data-architect.md

@@ -127,7 +127,7 @@ Flow Control Steps:
   {
     \"step\": \"load_role_template\",
     \"action\": \"Load data-architect planning template\",
-    \"command\": \"bash(~/.claude/scripts/planning-role-load.sh load data-architect)\",
+    \"command\": \"bash($(cat ~/.claude/workflows/cli-templates/planning-roles/data-architect.md))\",
     \"output_to\": \"role_template\"
   }
 ]