feat(sandbox): Zero-Trust credentials injector (#302) - #308
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Forbid secrets on process argv/env, load them from ConnectionSecretsStore, and inject via system.injectCredentials / db.connect with wipeable buffers (issue #302).
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ZhuchkaTriplesix
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Jul 27, 2026
…injector feat(sandbox): Zero-Trust credentials injector (#302)
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Summary
SandboxSecretGuardand enforce it inSandboxProcessRunner.startso passwords/tokens never reach argv or environmentSandboxCredentialsInjectorthat reads fromConnectionSecretsStoreand sendssystem.injectCredentials/db.connectover Stdio JSON-RPC onlySensitiveUtf8Bufferfor post-send zeroing and a minimal NDJSONJsonRpcStdioClient(Block C foundation)Closes #302
Test plan
flutter test test/core/extensions/sandbox/— 30 tests pass