chore: release v7.0.0

[oxc-guard]

🤖 New release

• oxc_sourcemap: 6.1.1 -> 7.0.0 (⚠ API breaking changes)

⚠ oxc_sourcemap breaking changes

--- failure type_mismatched_generic_lifetimes: type now takes a different number of generic lifetimes ---

Description:
A type now takes a different number of generic lifetime parameters. Uses of this type that name the previous number of parameters will be broken.
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.46.0/src/lints/type_mismatched_generic_lifetimes.ron
Failed in:
  Struct SourceMap (0 -> 1 lifetime params) in /tmp/.tmp2NrFVn/oxc-sourcemap/src/sourcemap.rs:20
  Struct SourcemapVisualizer (1 -> 2 lifetime params) in /tmp/.tmp2NrFVn/oxc-sourcemap/src/sourcemap_visualizer.rs:7
  Struct SourceViewToken (1 -> 2 lifetime params) in /tmp/.tmp2NrFVn/oxc-sourcemap/src/token.rs:112
  Struct ConcatSourceMapBuilder (0 -> 1 lifetime params) in /tmp/.tmp2NrFVn/oxc-sourcemap/src/concat_sourcemap_builder.rs:13

Changelog

7.0.0 - 2026-05-26

Added

• [breaking] add OwnedSourceMap wrapper for downstream owned-only use (#334)

Other

• (visualizer) fix O(n²) chars().nth scan and reduce allocations (#344)
• (decode) skip ,/; pre-scan for large mappings, keep exact scan for small (#343)
• (concat) hoist per-token chunk state out of the per-iteration closure (#331)
• add synthesized real_xlarge fixture (#328)

---

This PR was generated with release-plz.

[codspeed-hq]

Merging this PR will improve performance by 1.25%

⚠️ Different runtime environments detected

Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.

Open the report in CodSpeed to investigate

⚡ 2 improved benchmarks
✅ 14 untouched benchmarks
⏩ 5 skipped benchmarks¹

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
⚡	serialize[real_medium]	5.1 µs	5 µs	+1.16%
⚡	serialize[real_small]	4.4 µs	4.4 µs	+1.34%

Tip

Curious why this is faster? Comment @codspeedbot explain why this is faster on this PR, or directly use the CodSpeed MCP with your agent.

---

_{Comparing release-plz-2026-05-25T05-39-38Z (3b99295) with main (abae0f7)}

Footnotes

1. 5 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩