Merge branch 'main' into docs/experimental-workflow-guide

Adds documentation for the experimental artifact-based workflow:
- Setup instructions (Claude Code only for now)
- Command reference for all /opsx:* commands
- Usage examples and tips
- Comparison with standard workflow
- Feedback links to Discord and GitHub

CHANGELOG.md

@@ -1,36 +1,5 @@
 # @fission-ai/openspec
 
-## 0.18.0
-
-### Minor Changes
-
-- 8dfd824: Add OPSX experimental workflow commands and enhanced artifact system
-
-  **New Commands:**
-
-  - `/opsx:ff` - Fast-forward through artifact creation, generating all needed artifacts in one go
-  - `/opsx:sync` - Sync delta specs from a change to main specs
-  - `/opsx:archive` - Archive completed changes with smart sync check
-
-  **Artifact Workflow Enhancements:**
-
-  - Schema-aware apply instructions with inline guidance and XML output
-  - Agent schema selection for experimental artifact workflow
-  - Per-change schema metadata via `.openspec.yaml` files
-  - Agent Skills for experimental artifact workflow
-  - Instruction loader for template loading and change context
-  - Restructured schemas as directories with templates
-
-  **Improvements:**
-
-  - Enhanced list command with last modified timestamps and sorting
-  - Change creation utilities for better workflow support
-
-  **Fixes:**
-
-  - Normalize paths for cross-platform glob compatibility
-  - Allow REMOVED requirements when creating new spec files
-
 ## 0.17.2
 
 ### Patch Changes

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@fission-ai/openspec",
-  "version": "0.18.0",
+  "version": "0.17.2",
   "description": "AI-native system for spec-driven development",
   "keywords": [
     "openspec",