diff --git a/.gitignore b/.gitignore
index f8f7cb5..58ef22b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,15 @@
-# Trace files
-radar.duckdb*
+# Skills
+.codebuddy/
+.agent/
+.agents/
+.claude/
+.cursor/
+.gemini/
+.github/skills/
+.opencode/
+.qoder/
+.qwen/
+.trae/
 
 # Environment files
 .env
diff --git a/openspec/config.yaml b/openspec/config.yaml
new file mode 100644
index 0000000..392946c
--- /dev/null
+++ b/openspec/config.yaml
@@ -0,0 +1,20 @@
+schema: spec-driven
+
+# Project context (optional)
+# This is shown to AI when creating artifacts.
+# Add your tech stack, conventions, style guides, domain knowledge, etc.
+# Example:
+#   context: |
+#     Tech stack: TypeScript, React, Node.js
+#     We use conventional commits
+#     Domain: e-commerce platform
+
+# Per-artifact rules (optional)
+# Add custom rules for specific artifacts.
+# Example:
+#   rules:
+#     proposal:
+#       - Keep proposals under 500 words
+#       - Always include a "Non-goals" section
+#     tasks:
+#       - Break tasks into chunks of max 2 hours
diff --git a/tools/rename.py b/tools/rename.py
index 902f3b0..ceaf20b 100644
--- a/tools/rename.py
+++ b/tools/rename.py
@@ -72,6 +72,7 @@ TEXT_EXTENSIONS = {
     ".dockerignore",
     "Makefile",
     "Dockerfile",
+    ".tpl",
 }