chore(deps): bump thiserror from 2.0.18 to 2.0.20

[dependabot]

Bumps thiserror from 2.0.18 to 2.0.20.

Release notes

Sourced from thiserror's releases.

2.0.20

• Suppress redundant_field_names clippy lint in generated code (#454)

2.0.19

• Update to syn 3

Commits

• b1d5db5 Release 2.0.20
• c4c3ebd Merge pull request #454 from dtolnay/clippy
• 2266152 Suppress redundant_field_names clippy lint
• 2901cfd Raise minimum tested compiler to rust 1.88
• aa9d91f Update ui tests for version 2.0.19
• e13a785 Release 2.0.19
• 0a0e76c Update to syn 3
• ec42ea7 Update actions/upload-artifact@v6 -> v7
• 4178c4a Update actions/checkout@v6 -> v7
• 7214e0e Ignore items_after_statements pedantic clippy lint in test
• Additional commits viewable in compare view

You can trigger a rebase of this PR by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

Note
Automatic rebases have been disabled on this pull request as it has been open for over 30 days.

[tangletools]

⚠️ Review Interrupted — 17bdbdb0

The review runner stopped before publishing a final verdict: webhook_restarted.

State	Detail
Interrupted	webhook restarted

No review verdict was produced for this run. Trigger a fresh review on the current PR head if the PR is still open.

_{tangletools · #36 · model: kimi-for-coding · updated 2026-08-18T03:25:11Z}

[tangletools]

✅ No Blockers — 17bdbdb0

Review health 100/100 · Reviewer score 92/100 · Confidence 65/100 · 1 finding (1 low)

	opencode GLM 5.2	opencode DeepSeek v4 Pro	opencode DeepSeek v4 Flash	aggregate
Readiness	92	95	95	92
Confidence	65	65	65	65
Correctness	92	95	95	92
Security	92	95	95	92
Testing	92	95	95	92
Architecture	92	95	95	92

Reviewer score is advisory once the run is complete and the verdict has no blockers.

Full multi-shot audit completed 1/1 planned shots over 1 changed files. Global verifier still owns final merge decision. | Full multi-shot audit completed 1/1 planned shots over 1 changed files. Global verifier still owns final merge decision. | Full multi-shot audit completed 1/1 planned shots over 1 changed files. Global verifier still owns final merge decision.

🟡 LOW Dep graph gains syn 3.0.3 as a second syn major — Cargo.lock

thiserror-impl 2.0.20 unconditionally requires syn ^3, so the graph now carries syn 2.0.118 AND syn 3.0.3 (Cargo.lock:450-469), marginally increasing build time and supply-chain surface. Checksum verified against crates.io (53e9bae...659a3, unyanked, same publisher dtolnay as syn 2.x), so this is informational only. No action required; if dedup is desired it would mean holding thiserror at 2.0.18, which trades a dep-bump for stale error-handling macros — not worth it.

---

_{tangletools · 2026-08-18T03:29:28Z · trace}

[tangletools]

✅ Approved — 1 non-blocking finding — 17bdbdb0

Full multi-shot audit completed 1/1 planned shots over 1 changed files. Global verifier still owns final merge decision. | Full multi-shot audit completed 1/1 planned shots over 1 changed files. Global verifier still owns final merge decision. | Full multi-shot audit completed 1/1 planned shots over 1 changed files. Global verifier still owns final merge decision.

Full immutable report for this review: trace

Summary comment for this run: full summary

---

_{tangletools · 2026-08-18T03:29:28Z · immutable trace}