chore: add changeset for OPSX experimental workflow commands

[TabishB]

Summary

Add changeset for the OPSX experimental workflow features and enhancements merged since the last release.

Changes Being Released

New Commands:

• /opsx:ff - Fast-forward through artifact creation (feat: add /opsx:ff command for fast-forward artifact creation #448)
• /opsx:sync - Sync delta specs from a change to main specs (feat: add /opsx:sync command for syncing delta specs to main specs #450)
• /opsx:archive - Archive completed changes with smart sync check (feat: add /opsx:archive command for archiving completed changes #451, feat: add smart sync check to /opsx:archive command #452)

Artifact Workflow Enhancements:

• Schema-aware apply instructions (feat: make apply instructions schema-aware #444)
• Agent schema selection for experimental artifact workflow (feat: add agent schema selection to experimental artifact workflow #445)
• Per-change schema metadata via .openspec.yaml files (feat: add per-change schema metadata (.openspec.yaml) #443)
• Slash commands for artifact-experimental-setup (feat: add slash commands to artifact-experimental-setup #442)
• Agent Skills for experimental artifact workflow (feat: add Agent Skills for experimental artifact workflow #424)
• Enhanced artifact instructions with inline guidance and XML output (feat: enhance artifact instructions with inline guidance and XML output #422)
• Instruction loader for template loading and change context (feat: add instruction loader for template loading and change context #414)
• Restructured schemas as directories with templates (feat: restructure schemas as directories with templates #411)

Improvements:

• Enhanced list command with timestamps and sorting (feat: enhance list command with last modified timestamps and sorting #421)
• Change creation utilities (feat: add change creation utilities #408)

Fixes:

• Archive add-antigravity-support and fix-cline-workflows-implementation (fix: archive add-antigravity-support and fix-cline-workflows-implementation #423)
• Normalize paths for cross-platform glob compatibility (fix(artifact-graph): normalize paths for cross-platform glob compatibility #407)
• Allow REMOVED requirements when creating new spec files (Fix: Allow REMOVED requirements when creating new spec files (#403) #404)

Version Bump

Minor - New features and commands added without breaking changes.

Summary by CodeRabbit

• New Features

  • Added new commands for artifact workflows: fast-forwarding creation, syncing delta specs, and archiving changes
  • Introduced agent schema selection and per-change metadata configuration
  • Enabled agent skills and instruction loading for experimental workflow

• Improvements

  • Enhanced listing display with timestamps
  • Added cross-platform path normalization
  • Extended spec creation with REMOVED requirements support
  • Restructured template organization

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[coderabbitai]

📝 Walkthrough

Walkthrough

This PR adds a changelog entry documenting new features and enhancements for the OPSX experimental workflow, including new commands for artifact management, schema-based enhancements, agent capabilities, and template restructuring improvements.

Changes

Cohort / File(s)	Summary
Changelog Entry .changeset/opsx-experimental-workflow.md	Documents new OPSX experimental workflow features: fast-forward artifact commands, delta spec syncing, archiving operations, schema-based agent selection, per-change metadata support, agent skills/instruction loading, enhanced listing with timestamps, change utilities, and path normalization.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• feat: add agent schema selection to experimental artifact workflow #445: Implements agent schema selection, listSchemasWithInfo, and schemas CLI features that are documented in this changelog entry.
• feat: add /opsx:ff command for fast-forward artifact creation #448: Adds the /opsx:ff fast-forward command and artifact-workflow registrations corresponding to the documented fast-forward functionality.
• feat: add slash commands to artifact-experimental-setup #442: Extends OPSX experimental artifact workflow by adding agent skill and slash command templates, complementing the workflow enhancements documented here.

Poem

🐰 A changelog hops into view,
New commands and schemas so true,
With archives and skills,
And agent thrills,
The workflow's experimental brew! 🚀

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title directly and clearly describes the main change: adding a changeset entry for OPSX experimental workflow commands. It accurately summarizes the primary purpose of the pull request.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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📜 Recent review details

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 3ed1270 and 4539346.

📒 Files selected for processing (1)

• .changeset/opsx-experimental-workflow.md

🧰 Additional context used

🧠 Learnings (4)

📚 Learning: 2025-11-25T01:08:19.004Z

Learnt from: CR
Repo: Fission-AI/OpenSpec PR: 0
File: openspec/AGENTS.md:0-0
Timestamp: 2025-11-25T01:08:19.004Z
Learning: Applies to openspec/changes/**/specs/**/spec.md : Use `## ADDED|MODIFIED|REMOVED|RENAMED Requirements` headers in spec delta files

Applied to files:

• .changeset/opsx-experimental-workflow.md

📚 Learning: 2025-11-25T01:08:02.839Z

Learnt from: CR
Repo: Fission-AI/OpenSpec PR: 0
File: AGENTS.md:0-0
Timestamp: 2025-11-25T01:08:02.839Z
Learning: Use `@/openspec/AGENTS.md` to learn how to create and apply change proposals, spec format and conventions, and project structure and guidelines

Applied to files:

• .changeset/opsx-experimental-workflow.md

📚 Learning: 2025-11-25T01:08:19.004Z

Learnt from: CR
Repo: Fission-AI/OpenSpec PR: 0
File: openspec/AGENTS.md:0-0
Timestamp: 2025-11-25T01:08:19.004Z
Learning: Applies to openspec/changes/**/*.md : Scaffold proposal using `proposal.md`, `tasks.md`, optional `design.md`, and delta specs under `openspec/changes/<id>/`

Applied to files:

• .changeset/opsx-experimental-workflow.md

📚 Learning: 2025-11-25T01:08:19.004Z

Learnt from: CR
Repo: Fission-AI/OpenSpec PR: 0
File: openspec/AGENTS.md:0-0
Timestamp: 2025-11-25T01:08:19.004Z
Learning: Use `openspec archive <change-id> --skip-specs --yes` for tooling-only changes

Applied to files:

• .changeset/opsx-experimental-workflow.md

🔇 Additional comments (1)

.changeset/opsx-experimental-workflow.md (1)

1-26: Changeset is well-formatted and comprehensive. ✅

The file follows the proper changeset format with correct YAML frontmatter (@fission-ai/openspec@minor) and clear, well-organized Markdown content. The descriptions accurately capture the new commands, artifact workflow enhancements, improvements, and fixes aligned with the PR objectives. No clarity or formatting issues.

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