[codex] Prepare 0.3.1 release

CHANGELOG.md

@@ -11,12 +11,24 @@ This project uses a lightweight changelog format:
 
 ## Unreleased
 
+## 0.3.1 - 2026-06-15
+
 ### Added
 
 - OSS community baseline with contribution, conduct, governance, security, support, and roadmap docs.
 - GitHub issue templates, pull request template, and CI workflow.
 - Release checklist, CODEOWNERS, repository hygiene ignores, and GitHub Actions update automation.
 
+### Changed
+
+- Standardized local verification, release, and provider bridge examples on `python3`.
+- Strengthened marketplace plugin path tests to verify every entry resolves inside the repository.
+
+### Fixed
+
+- Fixed the goal ledger so failed or blocked stories are never reported as complete.
+- Reopened failed or blocked stories through `next` before advancing later pending stories.
+
 ## 0.3.0
 
 ### Added

plugins/codex-fable5/.codex-plugin/plugin.json

@@ -1,6 +1,6 @@
 {
   "name": "codex-fable5",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "description": "Fable-style Codex workflow with source-section coverage, goal gates, verification grounding, VFF routing, and optional provider bridge guidance.",
   "author": {
     "name": "Codex Fable5 Maintainers"

tests/test_scripts.py

@@ -84,6 +84,16 @@ def test_license_metadata_declares_agpl_or_later(self) -> None:
         self.assertIn("AGPL-3.0-or-later", readme)
         self.assertIn("AGPL-3.0-or-later", notice)
 
+    def test_plugin_version_is_documented_in_changelog(self) -> None:
+        plugin = json.loads(
+            (ROOT / "plugins" / "codex-fable5" / ".codex-plugin" / "plugin.json").read_text(
+                encoding="utf-8"
+            )
+        )
+        changelog = (ROOT / "CHANGELOG.md").read_text(encoding="utf-8")
+
+        self.assertIn(f"## {plugin['version']}", changelog)
+
     def test_oss_community_files_exist(self) -> None:
         required_paths = [
             "CODE_OF_CONDUCT.md",