Release v0.17.0

[emal-avala]

Summary

Cuts v0.17.0 after merging 22 PRs (#137, #150–#166 Wave 1–3, #167 docs, #168–#171 Wave 4).

Highlights

• 21 new user-visible features across slash commands and bundled skills
  • 12 new commands: `/effort`, `/break-cache`, `/heapdump`, `/btw`, `/rename`, `/add-dir`, `/thinkback`, `/usage`, `/pr-comments`, `/autofix-pr`, `/perf-issue`, `/env`, `/issue`, `/profile`
  • 7 new bundled skills: `pentest`, `remember`, `stuck`, `simplify`, `batch`, `skillify`, `backport`
  • 1 new subsystem: named configuration profiles (`services::profiles`)
• CI flake resolved: tarpaulin switched to `--engine llvm` (fix(ci): switch tarpaulin to llvm engine to fix coverage flake #161)
• Docs synced with the new feature surface (docs: reflect Wave 1-3 features across README, CHANGELOG, ROADMAP, and reference docs #167)

What's in this PR

File	Change
`CHANGELOG.md`	`[Unreleased]` block moved into `[0.17.0] - 2026-04-22`. Wave 4 entries (#168–#171) added before the stamp. New empty `[Unreleased]` at top.
`crates/lib/Cargo.toml`	`version = "0.17.0"`
`crates/cli/Cargo.toml`	package + `agent-code-lib` dep bumped to `0.17.0`
`crates/eval/Cargo.toml`	`agent-code-lib` dep bumped to `0.17.0` (not in RELEASING.md — flagged so the doc can be updated separately)
`npm/package.json`	`"version": "0.17.0"`
`Cargo.lock`	auto-updated by `cargo check`

Verification

• `cargo fmt --all --check` clean
• `cargo check --all-targets` clean
• `cargo clippy --all-targets -- -D warnings` clean
• `cargo test --all-targets` — all non-sandbox tests pass (607 lib / 42 core / etc.). Four sandbox-integration tests fail locally due to this dev box's bwrap config (bwrap installed but can't set up uid_map as non-root — CI env doesn't hit this; these assertions pass on main too in CI)

After merge

Per `RELEASING.md` steps 7–9:

```bash
git checkout main && git pull
git tag v0.17.0
git push origin v0.17.0
```

The tag triggers release.yml (binaries + crates.io + homebrew-tap), docker.yml (`ghcr.io/avala-ai/agent-code:0.17.0` + `:latest`), and npm publish.

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