YueGuobin 265d0ff860
feat: implement layered permission checks for proper user isolation and sharing
Implement a three-layer permission system:
- Layer 1: ACE strategy check (explicitly authorized/shared projects)
- Layer 2: Ownership check (user's own projects based on created_by)
- Layer 3: Resource pools (team shared projects)

This approach:
- Resolves the conflict between ACE and user isolation
- Enables project sharing via ACE (other users can grant access)
- Maintains default user isolation via ownership
- Prevents duplicate projects in results
- Preserves resource pool functionality
2026-05-26 00:31:19 +08:00
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