chore: release guppylang 1.0.0-a6

[hugrbot]

🤖 I have created a release beep boop

1.0.0-a6 (2026-06-19)

⚠ BREAKING CHANGES

• Remove deprecated reexports and leave custom import errors (#1886)
• Remove deprecated decorators, functions, and sync dummy interface (#1855)
• rename result and state_result to output and state_output (#1871)

Features

• std: add bounded random int to PCG32 (#1877) (01004a8)

Code Refactoring

• Remove deprecated decorators, functions, and sync dummy interface (#1855) (68b217c)
• Remove deprecated reexports and leave custom import errors (#1886) (3c19192)
• rename result and state_result to output and state_output (#1871) (a6a6ff6)

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[github-actions]

Bencher Report

Branch	release-please--branches--main--components--guppylang
Testbed	Linux

Click to view all benchmark results

Benchmark	hugr_bytes	Benchmark Result bytes x 1e3 (Result Δ%)	Upper Boundary bytes x 1e3 (Limit %)	hugr_nodes	Benchmark Result nodes (Result Δ%)	Upper Boundary nodes (Limit %)
tests/benchmarks/test_big_array.py::test_big_array_compile	📈 view plot 🚷 view threshold	154.02 x 1e3 (0.00%) Baseline: 154.02 x 1e3	155.56 x 1e3 (99.01%)	📈 view plot 🚷 view threshold	6,630.00 (0.00%) Baseline: 6,630.00	6,696.30 (99.01%)
tests/benchmarks/test_ctrl_flow.py::test_many_ctrl_flow_compile	📈 view plot 🚷 view threshold	27.71 x 1e3 (0.00%) Baseline: 27.71 x 1e3	27.99 x 1e3 (99.01%)	📈 view plot 🚷 view threshold	1,051.00 (0.00%) Baseline: 1,051.00	1,061.51 (99.01%)
tests/benchmarks/test_queue_push_pop.py::test_queue_push_benchmark_compile	📈 view plot 🚷 view threshold	10.09 x 1e3 (+0.01%) Baseline: 10.09 x 1e3	10.19 x 1e3 (99.02%)	📈 view plot 🚷 view threshold	301.00 (0.00%) Baseline: 301.00	304.01 (99.01%)
tests/benchmarks/test_queue_push_pop.py::test_queue_push_pop_benchmark_compile	📈 view plot 🚷 view threshold	13.70 x 1e3 (0.00%) Baseline: 13.70 x 1e3	13.83 x 1e3 (99.01%)	📈 view plot 🚷 view threshold	420.00 (0.00%) Baseline: 420.00	424.20 (99.01%)

🐰 View full continuous benchmarking report in Bencher

[codspeed-hq]

Merging this PR will not alter performance

✅ 11 untouched benchmarks

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_{Comparing release-please--branches--main--components--guppylang (98358cb) with main (3c19192)}

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.85%. Comparing base (3c19192) to head (98358cb).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1875   +/-   ##
=======================================
  Coverage   92.85%   92.85%           
=======================================
  Files         148      148           
  Lines       13849    13849           
=======================================
  Hits        12859    12859           
  Misses        990      990           

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