chore: release v0.19.0

[lroolle]

v0.19.0: nine agents.

Since 0.18.2:

• opencode as the 6th agent (feat: add opencode agent support #541)
• pi as the 7th agent (feat: add pi as the 7th agent #552)
• dsh as the 8th agent (feat: add dsh (@deepseek-ai/dsh, DeepSeek Harness) as an agent #556) -- DeepSeek Harness, wrapped on launch day
• cursor as the 9th agent (feat: add Cursor CLI (cursor-agent) as an agent #557) -- pinned without the installer's help
• layered help: one-screen summary, help all, per-command help (help: layered usage + per-command help #554)
• make versions-up as the whole pin flow; KIMI_WEBBRIDGE_VERSION managed pin
• stable trace URL via portless; DEVA_TRACE_UI_URL contract (--trace UI unreachable: cctrace >=0.36 port move + HOST_NET false warning #547)
• agent CLI pin refresh (chore(versions): refresh agent CLI pins #558)

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[Copilot]

Pull request overview

Bumps the deva.sh reported version and adds the corresponding CHANGELOG.md entry for the v0.19.0 release, aligning the repo’s release metadata with the announced release date and contents.

Changes:

• Update deva.sh VERSION to 0.19.0.
• Add a CHANGELOG.md section for 0.19.0 dated 2026-08-14.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
deva.sh	Updates the CLI’s version constant to 0.19.0.
CHANGELOG.md	Adds the v0.19.0 release header and notes.

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[chatgpt-codex-connector]

Include all post-0.18.2 changes in this release

Creating the 0.19.0 boundary here leaves shipped changes outside the release notes: the workspace-context fix from f92c279 remains attributed to 0.18.2 at CHANGELOG.md:143-152, despite landing afterward, and the three intervening version-pin refreshes are not represented at all. The repository release convention requires generating the changelog from the non-merge commit range, so the published notes misattribute a user-visible fix and conceal substantial CLI movements such as cctrace 0.25.1→0.40.0 and grok 0.2.114→1.0.3; move or add those entries before tagging.

AGENTS.md reference: AGENTS.md:L3-L5

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