Refactor CLI command usage from ccw cli exec to ccw cli -p for improved prompt handling

- Updated command patterns across documentation and templates to reflect the new CLI syntax.
- Enhanced CLI tool implementation to support reading prompts from files and multi-line inputs.
- Modified core components and views to ensure compatibility with the new command structure.
- Adjusted help messages and internationalization strings to align with the updated command format.
- Improved error handling and user notifications in the CLI execution flow.

.claude/skills/command-guide/reference/commands/memory/load.md

@@ -136,7 +136,7 @@ Task(
 Execute Gemini/Qwen CLI for deep analysis (saves main thread tokens):
 
 \`\`\`bash
-ccw cli exec "
+ccw cli -p "
 PURPOSE: Extract project core context for task: ${task_description}
 TASK: Analyze project architecture, tech stack, key patterns, relevant files
 MODE: analysis