start-local.ps1 said "something is already listening on 3000; leaving it alone" and carried on. That is safe only while the database has not changed underneath that process. When it has, the old backend is serving a database it no longer owns and its in-memory state describes rows that no longer exist.
The rate limiter is the sharpest example. It keys on customer id and keeps buckets in memory for an hour, so a recreated database restarting ids at 1 hands a brand-new customer a previous run's spent allowance. That is #257: the resend-verification allowance test failing roughly one full run in three, never in isolation, with three refusal toasts where one was expected.
Reproduced deterministically rather than reasoned about. Fresh database and fresh backend: three of three pass. Recreate the database only, leaving the same backend running: the same test fails with exactly the reported "resolved to 3 elements". Control — recreate the ids again but restart the backend as well: passes. So the variable is the process outliving the database, not the id restart on its own.
That also explains why #257 could not find the mechanism. It had ruled out contention, a mis-keyed limiter, a shared fixture and identity reuse in the test helpers, all correctly. The recycling happens outside the suite entirely, in a process the suite never sees.
Now it refuses, names the reason, and says to run -Stop. A run that stops loudly is recoverable; one that quietly tests the wrong thing is not — and a stale listener on 3000 has already produced two wrong measurements in this project, a rate-limiter reading and an e2e run reported as 23 passed when the backend was talking to a deleted database.
DatabaseIsNew is set when -Fresh removes the container, when the container is created, and always under -E2eDb, whose tmpfs storage means it comes up empty whether created or restarted.
Verified by AST-parsing the script and confirming every reference to the flag is script-scoped — a function-local read would see $null and the guard would never fire. The script is deliberately never executed from an agent shell.
start-local.ps1 said "something is already listening on 3000; leaving it alone" and carried on. That is safe only while the database has not changed underneath that process. When it has, the old backend is serving a database it no longer owns and its in-memory state describes rows that no longer exist.
The rate limiter is the sharpest example. It keys on customer id and keeps buckets in memory for an hour, so a recreated database restarting ids at 1 hands a brand-new customer a previous run's spent allowance. That is #257: the resend-verification allowance test failing roughly one full run in three, never in isolation, with three refusal toasts where one was expected.
Reproduced deterministically rather than reasoned about. Fresh database and fresh backend: three of three pass. Recreate the database only, leaving the same backend running: the same test fails with exactly the reported "resolved to 3 elements". Control — recreate the ids again but restart the backend as well: passes. So the variable is the process outliving the database, not the id restart on its own.
That also explains why #257 could not find the mechanism. It had ruled out contention, a mis-keyed limiter, a shared fixture and identity reuse in the test helpers, all correctly. The recycling happens outside the suite entirely, in a process the suite never sees.
Now it refuses, names the reason, and says to run -Stop. A run that stops loudly is recoverable; one that quietly tests the wrong thing is not — and a stale listener on 3000 has already produced two wrong measurements in this project, a rate-limiter reading and an e2e run reported as 23 passed when the backend was talking to a deleted database.
DatabaseIsNew is set when -Fresh removes the container, when the container is created, and always under -E2eDb, whose tmpfs storage means it comes up empty whether created or restarted.
Verified by AST-parsing the script and confirming every reference to the flag is script-scoped — a function-local read would see $null and the guard would never fire. The script is deliberately never executed from an agent shell.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
start-local.ps1 said "something is already listening on 3000; leaving it alone" and carried on. That is safe only while the database has not changed underneath that process. When it has, the old backend is serving a database it no longer owns and its in-memory state describes rows that no longer exist.
The rate limiter is the sharpest example. It keys on customer id and keeps buckets in memory for an hour, so a recreated database restarting ids at 1 hands a brand-new customer a previous run's spent allowance. That is #257: the resend-verification allowance test failing roughly one full run in three, never in isolation, with three refusal toasts where one was expected.
Reproduced deterministically rather than reasoned about. Fresh database and fresh backend: three of three pass. Recreate the database only, leaving the same backend running: the same test fails with exactly the reported "resolved to 3 elements". Control — recreate the ids again but restart the backend as well: passes. So the variable is the process outliving the database, not the id restart on its own.
That also explains why #257 could not find the mechanism. It had ruled out contention, a mis-keyed limiter, a shared fixture and identity reuse in the test helpers, all correctly. The recycling happens outside the suite entirely, in a process the suite never sees.
Now it refuses, names the reason, and says to run -Stop. A run that stops loudly is recoverable; one that quietly tests the wrong thing is not — and a stale listener on 3000 has already produced two wrong measurements in this project, a rate-limiter reading and an e2e run reported as 23 passed when the backend was talking to a deleted database.
DatabaseIsNew is set when -Fresh removes the container, when the container is created, and always under -E2eDb, whose tmpfs storage means it comes up empty whether created or restarted.
Verified by AST-parsing the script and confirming every reference to the flag is script-scoped — a function-local read would see $null and the guard would never fire. The script is deliberately never executed from an agent shell.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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start-local.ps1 said "something is already listening on 3000; leaving it alone" and carried on. That is safe only while the database has not changed underneath that process. When it has, the old backend is serving a database it no longer owns and its in-memory state describes rows that no longer exist.
The rate limiter is the sharpest example. It keys on customer id and keeps buckets in memory for an hour, so a recreated database restarting ids at 1 hands a brand-new customer a previous run's spent allowance. That is #257: the resend-verification allowance test failing roughly one full run in three, never in isolation, with three refusal toasts where one was expected.
Reproduced deterministically rather than reasoned about. Fresh database and fresh backend: three of three pass. Recreate the database only, leaving the same backend running: the same test fails with exactly the reported "resolved to 3 elements". Control — recreate the ids again but restart the backend as well: passes. So the variable is the process outliving the database, not the id restart on its own.
That also explains why #257 could not find the mechanism. It had ruled out contention, a mis-keyed limiter, a shared fixture and identity reuse in the test helpers, all correctly. The recycling happens outside the suite entirely, in a process the suite never sees.
Now it refuses, names the reason, and says to run -Stop. A run that stops loudly is recoverable; one that quietly tests the wrong thing is not — and a stale listener on 3000 has already produced two wrong measurements in this project, a rate-limiter reading and an e2e run reported as 23 passed when the backend was talking to a deleted database.
DatabaseIsNew is set when -Fresh removes the container, when the container is created, and always under -E2eDb, whose tmpfs storage means it comes up empty whether created or restarted.
Verified by AST-parsing the script and confirming every reference to the flag is script-scoped — a function-local read would see $null and the guard would never fire. The script is deliberately never executed from an agent shell.
Co-Authored-By: Claude Opus 5 noreply@anthropic.com