[sprint-11-06-2025] Add conditional context loading

[alirezarezvani]

Description

Implement role-based context loading to reduce token usage.

Tasks

• Define role-based loading rules (strategic vs execution)
• Implement conditional reading in orchestrator
• Test with strategic agents (full context)
• Test with execution agents (section-specific)
• Measure token reduction

Acceptance Criteria

• Role-based loading implemented
• Strategic agents: full context load
• Execution agents: section-specific load
• Token usage reduced 20%+

Sprint: sprint-11-06-2025

Day: 3