chore(release): prepare 0.26.0

[elkaix]

Prepare pythinker-code 0.26.0 release.

What changed in this release

• Install and update no longer 404 on a freshly published release. Releases are published as a prerelease and promoted to "latest" only after every platform asset uploads (new promote-release.yml); the curl/PowerShell installers wait for their archive + checksum before downloading. (fix: prevent install/update 404 on releases caught mid-publish #18)
• OpenCode Go model catalog refreshes on every startup without a re-login. Wired into the every-startup refresh_managed_models task across both OpenAI- and Anthropic-shaped providers, preserving default_model/default_thinking. (fix(opencode-go): refresh model catalog on startup without re-login #21)
• Homebrew install shows the logo and fails fast on a missing tap token. Formula caveats banner; actionable error when HOMEBREW_TAP_TOKEN is empty. (fix(homebrew): show logo in brew install, guard empty tap token #22)
• Markdown and report rendering hardened against real model output. Code-span pipes protected in tables; nested report fences no longer wrongly promoted (markdown-it AST extraction). (fix(agent): harden reports and edit handling #23)
• Steadier agent editing and a restored update prompt. Hardened file-replace handling, preserved subagent prompt/language, restored blocking pre-start update prompt. (fix(agent): harden reports and edit handling #23)
• CI runs required checks on every pull request. Dropped the pull_request path filter so check/test/release-validate report on every PR. (ci: run pythinker-code checks on every PR; align release docs #17)

Release mechanics

Mechanical 0.25.0 → 0.26.0 bump across pyproject, uv.lock (pythinker-code block only), install scripts, installer workflows, Homebrew formula generator, README/getting-started, and the linux-installer README. CHANGELOG ## Unreleased consumed into a ## 0.26.0 (2026-05-30) block (reconstructed from v0.25.0..HEAD since Unreleased was empty); docs changelog regenerated via the sync script; breaking-changes entry added (none).

Local gates pass: version-tag, README markers, CHANGELOG header, dependency-version, and tests/test_installation_docs.py + tests/test_homebrew_formula.py (17 passed).

Summary by CodeRabbit

• Documentation

  • Updated installation instructions and guides for version 0.26.0 across all platforms.
  • Added release notes documenting bug fixes and improvements.
  • Confirmed backward compatibility; no breaking changes from the previous release.

• Chores

  • Bumped project version to 0.26.0.
  • Updated workflow and installation script examples with current version references.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: ASSERTIVE

Plan: Pro Plus

Run ID: 0085a0d8-a839-44f6-b068-91d46a49f8d9

📥 Commits

Reviewing files that changed from the base of the PR and between 359838a and d329b3b.

⛔ Files ignored due to path filters (1)

• uv.lock is excluded by !**/*.lock

📒 Files selected for processing (18)

• .github/workflows/homebrew-tap.yml
• .github/workflows/linux-installer.yml
• .github/workflows/promote-release.yml
• .github/workflows/windows-installer.yml
• CHANGELOG.md
• README.md
• docs/en/guides/getting-started.md
• docs/en/release-notes/breaking-changes.md
• docs/en/release-notes/changelog.md
• docs/public/install.ps1
• docs/public/install.sh
• packages/homebrew-tap/generate-formula.py
• packages/linux-installer/README.md
• pyproject.toml
• scripts/install-native.sh
• scripts/install.ps1
• web/public/install.ps1
• web/public/install.sh

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📝 Walkthrough

Walkthrough

Release 0.26.0 version bump across project metadata, CI workflows, installation documentation, and release notes. All version strings updated from 0.25.0 to 0.26.0; release notes added describing installer flow fixes, model catalog refresh, Homebrew UX improvements, Markdown hardening, agent editing steadiness, and CI required-checks behavior changes.

Changes

Release 0.26.0

Layer / File(s)	Summary
Project version and release notes pyproject.toml, CHANGELOG.md, docs/en/release-notes/breaking-changes.md, docs/en/release-notes/changelog.md	Version field updated to 0.26.0; new 0.26.0 release section added to both CHANGELOG files documenting installer/update flow, OpenCode catalog refresh, Homebrew messaging, Markdown/report hardening, agent editing improvements, and CI branch protection changes; breaking-changes entry confirms compatibility with 0.25.0 configuration and data.
Workflow dispatch input descriptions .github/workflows/homebrew-tap.yml, .github/workflows/linux-installer.yml, .github/workflows/promote-release.yml, .github/workflows/windows-installer.yml	Input description examples updated from 0.25.0 to 0.26.0 across all installer and promotion workflows.
Installation documentation and guides README.md, docs/en/guides/getting-started.md, packages/linux-installer/README.md	Windows installer filenames, Linux .deb/.rpm artifact names, .sha256 verification files, curl-bash version pins, and build examples updated to 0.26.0; What's New section replaced with 0.26.0 feature summary.
Installation script examples docs/public/install.ps1, docs/public/install.sh, packages/homebrew-tap/generate-formula.py, scripts/install-native.sh, scripts/install.ps1, web/public/install.ps1, web/public/install.sh	Usage example comments and documented version pins updated from 0.25.0 to 0.26.0 across all public installer scripts; no executable logic changed.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• TechMatrix-labs/pythinker-code#14: Previous release-prep PR updating version examples from 0.24.0 to 0.25.0 across the same workflow, documentation, and script files.

Suggested labels

documentation, dependencies

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	Title follows conventional commits format with type 'chore' and scope 'release', accurately describing the version bump to 0.26.0.
Description check	✅ Passed	Description provides comprehensive release notes organized by feature area, detailed release mechanics, and test results, but omits some template checklist items.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
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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✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch release/0.26.0

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