chore(deps): bump crossbeam-channel from 0.5.15 to 0.5.16

[dependabot]

Bumps crossbeam-channel from 0.5.15 to 0.5.16.

Release notes

Sourced from crossbeam-channel's releases.

crossbeam-channel 0.5.16

• Improve support for rust-analyzer auto-completion of code inside select!/select_biased! macro. (#1240)
• Make never const. (#1250)

Commits

• 9b56303 Prepare for the next release
• a078b17 ci: Sync config with main
• 508c29d Remove crossbeam-skiplist which is not published from this branch from worksp...
• 6a20e57 tests: Fix mismatched_lifetime_syntaxes
• c2d674f epoch: Fix rustdoc::invalid_rust_codeblocks
• bd6563e Update no_atomic.rs
• d3e1e36 Make CachePadded<T> have C repr to allow casting to and from T (#1270)
• c0c466e channel: Use non-poison Mutex
• 8b3940f Add missing word to docs (#1208)
• df6eec0 docs: Link select_biased! from select! macro (#1202)
• Additional commits viewable in compare view

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[tangletools]

✅ No Blockers — a88f026f

Review health 100/100 · Reviewer score 95/100 · Confidence 65/100 · 0 findings (none)

glm: Correctness 95 · Security 95 · Testing 95 · Architecture 95

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.

No findings.

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_{tangletools · 2026-07-13T12:10:00Z · trace}

[tangletools]

✅ Clean — a88f026f

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

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_{tangletools · 2026-07-13T12:10:00Z · immutable trace}

[tangletools]

🟢 Value Audit — sound

Verdict	sound
Concerns	0 (none)
Heuristic	0.0s
Duplication	0.0s
Interrogation	39.1s (2 bridge agents)
Total	39.1s

💰 Value — sound

Routine patch bump of crossbeam-channel 0.5.15→0.5.16 in Cargo.lock only; workspace already allows 0.5.*.

• What it does: Updates the pinned crossbeam-channel version in Cargo.lock from 0.5.15 to 0.5.16 (with matching checksum). No source changes. Upstream release adds rust-analyzer auto-completion support inside select! macros and makes never a const fn — no behavior change for consumers.
• Goals it achieves: Keep the dependency lockfile current with the latest patch release of an already-permitted minor (workspace Cargo.toml:241 declares crossbeam-channel = { version = "0.5" }). Used by pricing-engine, runner (networking feature), networking, and two networking extensions.
• Assessment: A textbook patch-level bump. Workspace constraint already permits 0.5.16, the upstream delta is additive/non-breaking (const fn + IDE support), and the change touches only Cargo.lock. No code paths affected. Nothing to object to on the merits.
• Better / existing approach: none — this is the right approach. Checked workspace Cargo.toml:241 and all 6 consumer crates; all use { workspace = true } so no per-crate bumps are needed. Verified no vendored/forked copy of crossbeam-channel exists via grep.
• Model: opencode/zai-coding-plan/glm-5.2
• Bridge attempts: 2
• Bridge warning: opencode/kimi-for-coding/k2p7: bridge stream ended without value-audit content

🎯 Usefulness — sound

Patch-version bump of an actively-used dependency with additive-only upstream changes; no API surface touched.

• Integration: Workspace declares crossbeam-channel = { version = "0.5" } at Cargo.toml:241, so 0.5.16 is within range and resolves automatically. The crate is consumed via crossbeam_channel::{unbounded, Sender, Receiver, SendError, TryRecvError} across crates/networking/src/service.rs:16, service_handle.rs:10, behaviours.rs:13, peers.rs:7, plus crates/runner and crates/pricing-engine. All call sites remain va
• Fit with existing patterns: Fits exactly — crossbeam-channel is the established inter-task messaging primitive for the networking layer (unbounded channels wired between network sender/receiver, protocol messages, and events at service.rs:284-286). No competing pattern.
• Real-world viability: 0.5.16 changes are non-behavioral (rust-analyzer autocomplete inside select! macros, never made const). The concurrency primitives used here are stable and unchanged, so realistic use under load is unaffected.
• Model: opencode/zai-coding-plan/glm-5.2
• Bridge attempts: 1

No concerns — sound change, no better or existing approach found. ✅

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What this audit checks

It judges the change on its merits — not whether it was tasked out in an issue. Unticketed, fast-moving work is fine; the question is whether the change is good and whether a better or existing approach should be used instead.

Pass	What it asks
Heuristic	Vague title? Whitespace-only or cruft-bearing diff? (content signals only)
Duplication	Do added function/class names already exist elsewhere in the repo?
Value Audit	What does it do? What goal does it achieve? Is it good? Better architecture or already-exists?
Usefulness Audit	Does it integrate and fit? Will it hold up in real use and actually get used?

Findings are concerns, not blocks — the human reviewer decides what to do with them.

_{value-audit · 20260713T121007Z}