chore(deps): pin iroh to 1.0.3 explicitly

[michaelneale]

Follow-up from mesh-dev: we are already on iroh 1.0.3 in Cargo.lock, but every manifest asked for "1.0.0". Caret semver means a fresh lockfile could legitimately resolve back to 1.0.0-1.0.2 and silently drop fixes we depend on:

• 1.0.0: correct path abandonment when a new path has worse RTT; don't kill the endpoint on the first transport recv error; happy-eyeballs v4/v6 relay connect
• 1.0.2: receive-transport lane fairness counter fix
• 1.0.3: error on connecting with an empty ALPN; pkarr resolver in the n0 preset

This raises the floor to 1.0.3 in mesh-llm-routing, -commands, -protocol, -host-runtime (incl. the iroh-relay dev-dep) and mesh-client.

No lockfile change — cargo update -p iroh locks 0 packages.

Verification:

• cargo check --all-targets on all five affected crates: clean
• cargo test -p mesh-llm-routing -p mesh-llm-protocol: 16 passed, 0 failed

Summary by CodeRabbit

• Chores
  • Updated the networking components to a newer compatible version.
  • Preserved existing feature settings and configuration.
  • Includes updates for runtime, client, protocol, routing, and command functionality.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 3c7e4f02-7212-43cc-aae1-659acfcee99d

📥 Commits

Reviewing files that changed from the base of the PR and between 072bb2b and eb3116d.

📒 Files selected for processing (5)

• crates/mesh-client/Cargo.toml
• crates/mesh-llm-commands/Cargo.toml
• crates/mesh-llm-host-runtime/Cargo.toml
• crates/mesh-llm-protocol/Cargo.toml
• crates/mesh-llm-routing/Cargo.toml

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📝 Walkthrough

Walkthrough

The pull request updates iroh and iroh-relay dependency versions from 1.0.0 to 1.0.3 across five Cargo manifests. Existing feature configurations remain unchanged.

Changes

iroh dependency version alignment

Layer / File(s)	Summary
Update dependency versions crates/mesh-*/Cargo.toml	The manifests now use iroh 1.0.3. The host runtime test dependency also updates iroh-relay to 1.0.3. Feature configurations remain unchanged.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Possibly related PRs

• Mesh-LLM/mesh-llm#894: Updates the same iroh dependencies from release candidates to a stable version.
• Mesh-LLM/mesh-llm#1141: Modifies the same dependency declarations and changes TLS feature selection.

Suggested reviewers: i386, ndizazzo

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: explicitly raising the iroh dependency requirement to version 1.0.3.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch chore/pin-iroh-1.0.3

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