Isolate web PersistentStoreNative memory by store name

[clholgat]

Summary

• Scope in-memory web persistence entries per store name instead of one shared map.
• Keep TTL sweeping and newPersistentStore(...) behavior aligned with native store isolation expectations.

Test plan

• Create two differently named web persistent stores; write the same key in each and confirm values do not collide
• Call removeAll on one store and confirm the other store still has its entries
• Confirm TTL expiry still removes entries via exists / fetch / setCurrentTime
• Smoke existing web persistence/unit coverage if available

Made with Cursor

[github-actions]

📊 PR Size: size/M

Total changes: 141 lines (1 files)

Top files changed:

• src/valdi_modules/src/valdi/persistence/web/PersistentStoreNative.ts: +87 -54

_{Size calculated as additions + deletions. Labels: XS (<10), S (<50), M (<250), L (<1000), XL (1000+)}

[github-actions]

⚠️ Bazel & CI Test Results

Test Suite	Result
Snapshot Tests	✅ success
API Surface Check	✅ success
Linux: Build & Export	✅ success
Linux: Build Compiler	✅ success
Linux: C++ Tests	✅ success
Valdi Smoke Tests	❌ failure

Some tests failed. Please check the workflow logs for details.

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