[O4] Task Deduplication

[cjpillsbury]

Enhancement to resolvables pattern - automatic deduplication of resolve operations.

Acceptance Criteria

• Prevent duplicate resolve operations
• Eliminate manual deduplication flags
• Integration with O3
• Unit tests with ≥80% coverage

Dependencies

Depends on: #390 (O3)

Technical Notes

Files: packages/spf/src/core/orchestration/resolvable.ts
Refinement/enhancement to O3.

Bundle Size Impact

Target: <500 bytes