# Milestone 26: Integration - Perl DescriptorPool

[TOC]

*   [x] Create test file `perl/t/integration/260_descriptor_pool.t`
*   [ ] TODO: Implement Automated Schema Drift Detection utility.
*   [ ] TODO: Verify cross-interpreter descriptor cache integrity.
*   [ ] Tests cover interactions between Protobuf::DescriptorPool and Protobuf::Arena.
*   [x] Create and implement `perl/xt/coro/260_descriptor_pool.t` to test Coro safety.
*   [ ] TODO: Stress concurrent shared global pool lookups (100+ Coros).
*   [ ] TODO: Verify Coro context safety for dynamic descriptor additions.
*   [x] Create and implement `perl/xt/mojo/260_descriptor_pool.t` to test Mojo::IOLoop concurrency safety.
*   [ ] Create and implement `perl/xt/anyevent/260_descriptor_pool.t` to test AnyEvent concurrency safety. (Difficulty: 5/10).

*   **Engineering Excellence (Reach for More):**
    *   [ ] Optimize pool mutex for lock contention profiling. (Difficulty: 3/10).
    *   [ ] Implement 10k coro stress test for pool lookups. (Difficulty: 3/10).
    *   [ ] Implement pool-level shared memory attachment. (Difficulty: 3/10).
    *   [ ] Add cross-process fingerprint validation for schemas. (Difficulty: 3/10).
    *   [ ] Add weak-ref tracking to descriptor wrappers. (Difficulty: 3/10).
    *   [ ] Implement background audit of wrapper identity. (Difficulty: 3/10).
*   [ ] Review and update perl/doc/architecture/** documents.