Deprecate repository - template files moved to pgxntool-test

.claude/settings.json

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+{
+  "permissions": {
+    "additionalDirectories": [
+      "../pgxntool/",
+      "../pgxntool-test/"
+    ]
+  }
+}

.gitattributes

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+.gitattributes export-ignore
+.claude/ export-ignore
+.DS_Store export-ignore

CLAUDE.md

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+# CLAUDE.md
+
+## Repository Status: DEPRECATED
+
+**This repository is deprecated and no longer used.** It is kept only to preserve its commit history.
+
+## What Happened
+
+The template extension files that used to live in this repository have been moved to `../pgxntool-test/template/`. The test harness now creates fresh test repositories directly from that template directory, eliminating the need for a separate template repository.
+
+## Migration
+
+If you need the template files, they are now located at:
+- **../pgxntool-test/template/**
+
+The test harness (`../pgxntool-test/`) contains all testing infrastructure and template files in a single repository.
+
+## Two-Repository Pattern
+
+The pgxntool project now uses a simpler two-repository pattern:
+
+1. **../pgxntool/** - The framework code that gets embedded into extension projects
+2. **../pgxntool-test/** - The test harness (includes template files in `template/` directory)
+
+## Historical Context
+
+This repository previously served as a minimal "dummy" PostgreSQL extension used as a test subject. Tests would clone this repository and manipulate it to validate pgxntool's functionality. This approach has been replaced with a simpler method of creating fresh test repositories from template files stored directly in the test harness.

README.md

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+# pgxntool-test-template
+
+## ⚠️ DEPRECATED REPOSITORY
+
+**This repository is no longer used and exists only to preserve its commit history.**
+
+## What Happened
+
+The template extension files that used to live here have been moved to:
+- **[pgxntool-test/template/](https://github.com/decibel/pgxntool-test/tree/master/template)**
+
+The test harness now creates fresh test repositories directly from that template directory, eliminating the need for a separate template repository.
+
+## Current Architecture
+
+The pgxntool project now uses a two-repository pattern:
+
+1. **[pgxntool](https://github.com/decibel/pgxntool)** - The framework code
+2. **[pgxntool-test](https://github.com/decibel/pgxntool-test)** - The test harness with template files
+
+## Migration Guide
+
+If you were using this repository:
+- Template files are now in `pgxntool-test/template/`
+- Tests create repositories directly from those template files
+- No changes needed to existing workflows using `pgxntool-test`
+
+## Historical Context
+
+This repository served as a minimal PostgreSQL extension that was cloned and manipulated during testing. The approach has been simplified to use template files stored directly in the test harness repository.
+
+---
+
+**Repository archived on:** 2026-01-08
+**Reason:** Consolidated into pgxntool-test repository