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test(pipeline7): reproduce srj24 sample 4 topology gap - #1798

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agent/repro-srj24-sample4-topology
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test(pipeline7): reproduce srj24 sample 4 topology gap#1798
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agent/repro-srj24-sample4-topology

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@ShiboSoftwareDev

@ShiboSoftwareDev ShiboSoftwareDev commented Jul 30, 2026 •
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What this reproduces

This adds a reduced srj24 sample 4 fixture for the topology failure that occurs before port-point pathing:

  1. a regular BGA pad grid is embedded in a larger mixed-pad component;
  2. whole-component BGA detection rejects that component;
  3. the top and bottom terminals therefore have no legal cross-layer capacity path.

The test intentionally asserts the failing behavior and contains no production-code changes.

Step visualization

srj24 sample 4 topology reproduction

The four frames show the mixed package, its hidden regular core, the isolated terminal layers, and the missing cross-layer edge.

Verification

  • bun test tests/features/topology/srj24-sample4-topology-repro.test.ts --timeout 9999999
  • bun run build

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Project Deployment Actions Updated (UTC)
capacity-node-autorouter Ready Ready Preview Jul 31, 2026 5:20am

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tscircuitbot commented Jul 30, 2026

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Benchmark This PR

Run benchmarks by commenting on this PR:

/benchmark [benchmark.sh args...]
/benchmark-long [benchmark.sh args...]
/benchmark-all

Comment /benchmark to run the default dataset, or append any arguments accepted by ./benchmark.sh.
Comment /benchmark-long for an 8-vCPU run that defaults to 8 workers and has an eight-hour timeout.
Comment exactly /benchmark-all to start separate workflow runs and result comments for the default dataset plus srj18, srj19, srj20, srj21, and srj23.

Everything after /benchmark or /benchmark-long is safely forwarded to ./benchmark.sh, except --profile-solvers, which enables profile comparison tables.
Examples: /benchmark --dataset 18 --sample-timeout 2000s, /benchmark --pipeline 7 --scenario-limit 20, /benchmark all 20 --concurrency 8, and /benchmark-long --dataset 18.

Use /update-snapshots (or /us) to run BUN_UPDATE_SNAPSHOTS=1 bun test --timeout 120_000 on the PR branch and auto-commit snapshot updates.
Use /usf to read recent failed test files, update and verify their exact CI test shards, and auto-commit only their snapshots. It uses the configured fast benchmark runner by default; use /usf --ubuntu-latest for GitHub-hosted x64 CI parity.

Any PR whose title contains [BENCHMARK TEST] will automatically run one default-dataset benchmark on PR updates; it does not post a PR result comment.

@ShiboSoftwareDev ShiboSoftwareDev mentioned this pull request Jul 30, 2026
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@ShiboSoftwareDev
ShiboSoftwareDev force-pushed the agent/repro-srj24-sample4-topology branch from da6aece to 1175f7b Compare July 30, 2026 16:19
@ShiboSoftwareDev
ShiboSoftwareDev force-pushed the agent/repro-srj24-sample4-topology branch from 1175f7b to 3dacbaf Compare July 31, 2026 05:14
@ShiboSoftwareDev
ShiboSoftwareDev force-pushed the agent/repro-srj24-sample4-topology branch from 3dacbaf to 505ea31 Compare July 31, 2026 05:19
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@ShiboSoftwareDev @tscircuitbot