release: cut 0.4.5

[zc277584121]

Summary

Version bump 0.4.4 -> 0.4.5 (patch — no PR since the last release carried a minor/breaking label).

Bumped every file lint.yml's package version lockstep job checks, plus the hand-maintained doc/README references the previous release commits also touched. Python + TypeScript SDKs regenerated from protocol/openapi.yaml via sdks/generate.sh.

Changes since 0.4.4 (#151)

• Adversarial-testing fixes: job-scheduling race, config validation gaps, and status/metadata handling (Adversarial-testing fixes: job-scheduling race, config validation gaps, and status/metadata handling #172)
• test(connector-factory): stop TestValidateConfig depending on asyncpg (test(connector-factory): stop TestValidateConfig depending on asyncpg #168)
• feat(llm): add openai_compatible provider (feat(llm): add openai_compatible provider #165)
• refactor(engine): extract InfraStack — infra assembly & lifecycle container (refactor(engine): extract InfraStack — infra assembly & lifecycle container #164)
• More adversarial-testing fixes: race conditions, config schema validation, symlink cycles (More adversarial-testing fixes: race conditions, config schema validation, symlink cycles #163)
• Move test_onnx_embedding.py into server/python/tests (Move test_onnx_embedding.py into server/python/tests #162)
• refactor(engine): extract ArtifactCacheService and harden artifact cache weak-consistency (refactor(engine): extract ArtifactCacheService and harden artifact cache weak-consistency #160)
• Adversarial-testing fixes: config drift, health checks, cancellation, and CLI robustness (Adversarial-testing fixes: config drift, health checks, cancellation, and CLI robustness #159)
• docs(why): add Onyx and deep-searcher to the comparison table (docs(why): add Onyx and deep-searcher to the comparison table #158)
• docs: add examples/README.md, broaden the root README's examples intro (docs: add examples/README.md, broaden the root README's examples intro #157)
• examples: add a deep-research skill (deep-searcher, on MFS) (examples: add a deep-research skill (deep-searcher, on MFS) #156)
• docs(mcp): rename the claude-context example so its purpose is obvious (docs(mcp): rename the claude-context example so its purpose is obvious #155)
• feat(embedding): add jina and mistral providers, fix stale install hints (feat(embedding): add jina and mistral providers, fix stale install hints #154)
• ci(release): bring deployments/ into the version lockstep check (ci(release): bring deployments/ into the version lockstep check #153)

Test plan

• Local package version lockstep check (the exact script lint.yml runs) — all files report 0.4.5
• cd server/python && uv run pytest tests/ — 394 passed, 9 skipped
• cd cli && cargo test — 21 passed
• cd cli && cargo fmt --all -- --check — clean
• cd cli && cargo build --release — clean
• cd server-rs && cargo build --release — clean

After merge

Tag the merge commit v0.4.5 and push the tag to trigger release.yml / publish-crates.yml / publish-pypi.yml.