chore(release): v1.1.4-beta.1

[zerob13]

Publish DeepChat v1.1.4-beta.1 from dev at 5e659db57e269511c8ba69f8e39feb259b3ead75, with bilingual release notes dated 2026-10-12. The release metadata changes only package.json and CHANGELOG.md.

Changes since v1.1.3

• Add the Atlas Cloud provider and optional Parallel Search and Sem MCP plugin examples.
• Repair Copilot session authentication, validate access before saving credentials, and guard account switches.
• Update Codex chat and image models, preserve image models when catalog metadata is missing, and retain media failure details with explicit sign-in recovery.
• Refresh the built-in model and ACP catalogs.

Provider settings

BEFORE                    AFTER
Provider list             Provider list
  Existing providers        Existing providers
                            Atlas Cloud

Validation

• pnpm run format, pnpm run i18n, pnpm run lint, and pnpm run typecheck passed.
• Relevant provider, authentication, CLI, plugin, renderer authentication, and release assembly regressions passed: 12 files, 201 tests.
• Release preflight validated the exact source SHA, package version, dated changelog section, and prerelease flag.

Publication

Use the documented fast-forward release flow after approval. Do not use GitHub's Merge or Update branch buttons.

pnpm run release:ff release/v1.1.4-beta.1 --tag v1.1.4-beta.1
git tag v1.1.4-beta.1 release/v1.1.4-beta.1
git push origin v1.1.4-beta.1

Wait for all six native package jobs and remote asset verification, review the exact nineteen-asset draft, and publish it as a prerelease. Remove the temporary release branch after publication.

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[zerob13]

Release check: v1.1.4-beta.1

Mechanical verification passes. This is a clean release PR:

• The branch head (5e659db57) is identical to current dev — zero commits and zero diff between them, so this is a straight fast-forward of main from v1.1.3 to dev, not a cherry-picked or hand-built branch.
• package.json version is 1.1.4-beta.1, matching the PR title.
• The 12 commits it carries over main are the dev-merged work since v1.1.3: the user-plugin examples (#2425, #2426), the Copilot auth validation fix (#2427), the Codex model/media refresh (#2428), the README refine (#2422), registry refreshes, and the release bump itself. All of the substantive PRs in that set were reviewed on their own PRs; the registry data (providers.json, registry.json) is the usual build-generated upstream drift that rode along with them.

No issues from my side.