chore: prep 0.0.1a4 release

.github/CODEOWNERS

@@ -0,0 +1,2 @@
+# Default owners for everything
+* @patrick-chinchill

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,18 @@
+---
+name: Bug Report
+about: Report a bug
+labels: bug
+---
+
+**Adapter**: (e.g., Slack, Discord, Teams)
+**Version**: (e.g., 0.0.1a3)
+**Python version**: (e.g., 3.12)
+
+**What happened?**
+
+**What did you expect?**
+
+**Minimal reproduction**:
+```python
+# paste code here
+```

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,9 @@
+---
+name: Feature Request
+about: Suggest a feature
+labels: enhancement
+---
+
+**What problem does this solve?**
+
+**Proposed solution**:

CHANGELOG.md

@@ -1,11 +1,11 @@
 # Changelog
 
-## 0.0.1a3 (2026-04-06)
+## 0.0.1a4 (2026-04-06)
 
 Initial alpha release.
 
 - Core SDK: Chat orchestrator, Thread, Channel, Message, Cards, Modals, Emoji
 - 8 adapters: Slack, Discord, Teams, Telegram, WhatsApp, Google Chat, GitHub, Linear
 - 3 state backends: Memory, Redis, PostgreSQL
-- 2,467 tests passing
+- 2,477 tests passing, 79% coverage
 - Security hardened: JWT verification, SSRF protection, timing-safe comparisons

README.md

@@ -2,7 +2,7 @@
 
 Multi-platform async chat SDK for Python. Port of [Vercel Chat](https://github.com/vercel/chat).
 
-> **Status: Alpha (0.0.1a3)** — API may change. Not yet tested in production.
+> **Status: Alpha (0.0.1a4)** — API may change. Not yet tested in production.
 
 ## Why chat-sdk?
 

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "chat-sdk"
-version = "0.0.1a3"
+version = "0.0.1a4"
 description = "Multi-platform async chat SDK for Python — port of Vercel Chat"
 readme = "README.md"
 license = {text = "MIT"}