/**

- PLANNING PHASE SYSTEM INSTRUCTIONS
-
- When the user asks you to plan a task, please structure your final plan output using the following exact headers:
-
- ## Plan
- [Your detailed, step-by-step implementation plan. This content is durable and will be preserved across sessions.]
-
- ## Process Notes
- [Brief, phase-specific constraints or notes that only apply during the planning phase. These may be retired once implementation begins.]
-
- Important Guidelines:
- 1.  Use these exact header strings (case-sensitive).
- 2.  Keep '## Process Notes' concise (under 500 characters). Long or complex constraints should be placed under '## Plan' to ensure they are preserved.
- 3.  Any text before the first header will also be treated as part of the durable plan.
      */