chore: bump version from 0.4.0 to 0.5.0

[saturley-hall]

Summary

Two commits, matching the structure of #339 plus an agent skill.

Commit 1 — chore: bump version from 0.4.0 to 0.5.0

Same shape as #339. Bumps the workspace, Python client, and Helm chart versions in lockstep, refreshes the mx_version test fixtures, and updates the pinned mx_source_id cross-check hashes (Python ↔ Rust).

• Cargo.toml, Cargo.lock (via cargo update --workspace)
• modelexpress_client/python/pyproject.toml, modelexpress_client/python/uv.lock (via uv lock)
• helm/Chart.yaml (version + appVersion)
• docs/metadata.md (mx_version examples)
• modelexpress_server/src/p2p/{source_identity,state,service}.rs + backend/redis.rs (test fixtures + 3 pinned hash assertions)
• modelexpress_client/python/tests/test_{source_id,k8s_service_client}.py (test fixtures + 3 pinned hash assertions)

New pinned source-id hashes:

• base identity: e2438ef16adcf628 → 5a5f555570065064
• with revision: 7b7803769825576e → d0c184b2a9a34c82
• case-colliding extra params: deecf6684507f09c → bf71fb9340cd940a

Intentionally not bumped: examples/**/*.yaml image tags, helm/values*.yaml image.tag, helm/README.md image refs. Those stay at 0.4.0 until the 0.5.0 container is published to NGC, get bumped on the release/0.5.0 branch, and then cherry-picked back to main. See commit 2.

Commit 2 — docs(claude): add version-bump procedure to agent instructions

Adds a new ## Bumping the ModelExpress Version section to CLAUDE.md documenting the two-cadence model (workspace on main; public-image refs on the release branch post-publish → cherry-pick back). Includes the exact file list, the test-hash recapture command, and a note explaining why image-tag refs lag behind the workspace version. Future agents picking up the bump task have a single place to read instead of re-deriving the convention.

Test plan

• cargo check --workspace --tests — passes on a clean Cargo.lock at 0.5.0
• cd modelexpress_client/python && pytest tests/test_source_id.py tests/test_k8s_service_client.py — 42 passed (after updating the 3 pinned hashes; previously 2 failing, now green)
• CI passes
• Sanity-check that the new section in CLAUDE.md is visible at the right place (between "Adding gRPC Services" and "Git Workflow")

🤖 Generated with Claude Code

Summary by CodeRabbit

• Chores

  • Bumped version to 0.5.0 across workspace, Python client, Helm chart, and documentation examples.

• Documentation

  • Added detailed version-bumping procedure documentation including guidance on fixture updates, dependency regeneration, hash synchronization, and verification commands.

[coderabbitai]

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: 898c9a5a-13a2-41b9-8563-aefd4c7a8aad

📥 Commits

Reviewing files that changed from the base of the PR and between 3dee097 and 043ea64.

⛔ Files ignored due to path filters (2)

• Cargo.lock is excluded by !**/*.lock
• modelexpress_client/python/uv.lock is excluded by !**/*.lock

📒 Files selected for processing (11)

• CLAUDE.md
• Cargo.toml
• docs/metadata.md
• helm/Chart.yaml
• modelexpress_client/python/pyproject.toml
• modelexpress_client/python/tests/test_k8s_service_client.py
• modelexpress_client/python/tests/test_source_id.py
• modelexpress_server/src/p2p/backend/redis.rs
• modelexpress_server/src/p2p/service.rs
• modelexpress_server/src/p2p/source_identity.rs
• modelexpress_server/src/p2p/state.rs

---

Walkthrough

ModelExpress version is bumped from 0.4.0 to 0.5.0 across workspace, Helm chart, Python package, documentation, and test fixtures. Test fixtures and cross-check hash assertions are regenerated to match the updated version value.

Changes

Version Bump

Layer / File(s)	Summary
Version bump procedure documentation CLAUDE.md	New "Bumping the ModelExpress Version" section documents file update sequence, hash synchronization requirements, verification steps, and image-tag publication lifecycle. Documentation Updates table extended to map version-bump changes to this section.
Workspace and deployment manifest version updates Cargo.toml, helm/Chart.yaml, docs/metadata.md, modelexpress_client/python/pyproject.toml	Workspace version, crate dependency versions, Helm chart version and appVersion, Python package version, and documented metadata examples all bumped to 0.5.0 in sync.
Python test fixture and cross-check hash updates modelexpress_client/python/tests/test_k8s_service_client.py, modelexpress_client/python/tests/test_source_id.py	Test fixtures update mx_version to 0.5.0; expected hash assertions for _base_identity() base case, revision pinned case, and extra_parameters case collision test are regenerated with new hexadecimal strings.
Rust test fixture and cross-check hash updates modelexpress_server/src/p2p/backend/redis.rs, modelexpress_server/src/p2p/service.rs, modelexpress_server/src/p2p/source_identity.rs, modelexpress_server/src/p2p/state.rs	Test fixtures across four modules update mx_version to 0.5.0; Python cross-check assertions in source_identity.rs regenerated with new hash strings for base identity, revision-pinned, and extra_parameters scenarios; redis.rs source attributes assertion updated to expect 0.5.0.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Poem

🐰 Bumping versions, one point oh more,
From 0.4.0 to what came before,
Hashes all dance, fixtures all align,
Cargo and Helm now perfectly shine!
A rabbit hops onward to versions unknown,
While ModelExpress grows stronger—full-grown. 🌿✨

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 33.33% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'chore: bump version from 0.4.0 to 0.5.0' clearly and directly summarizes the primary change across the changeset: a coordinated version bump across workspace, Python client, Helm chart, documentation, and test fixtures.
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.

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